[PATCH 0/9] OMAP DSS DT bindings documentation

[PATCH 0/9] OMAP DSS DT bindings documentation

[Tomi Valkeinen]

Hi,

Here is DT binding documentation for OMAP Display Subsystem. I've sent these
earlier as part of the whole DSS DT series, but I'm now sending them separately
to get comments for them.

These patches are essentially the same as what I already sent earlier. The only
difference is that I added clock information for omap3 and omap4 platforms.

 Tomi

Tomi Valkeinen (9):
  Doc/DT: Add OMAP DSS DT Bindings
  Doc/DT: Add DT binding documentation for Analog TV Connector
  Doc/DT: Add DT binding documentation for DVI Connector
  Doc/DT: Add DT binding documentation for HDMI Connector
  Doc/DT: Add DT binding documentation for MIPI DPI Panel
  Doc/DT: Add DT binding documentation for MIPI DSI CM Panel
  Doc/DT: Add DT binding documentation for Sony acx565akm panel
  Doc/DT: Add DT binding documentation for TFP410 encoder
  Doc/DT: Add DT binding documentation for tpd12s015 encoder

 .../bindings/video/analog-tv-connector.txt         |  23 +++
 .../devicetree/bindings/video/dvi-connector.txt    |  26 +++
 .../devicetree/bindings/video/hdmi-connector.txt   |  23 +++
 .../devicetree/bindings/video/panel-dpi.txt        |  43 +++++
 .../devicetree/bindings/video/panel-dsi-cm.txt     |  26 +++
 .../devicetree/bindings/video/sony,acx565akm.txt   |  28 +++
 .../devicetree/bindings/video/ti,omap-dss.txt      | 203 +++++++++++++++++++++
 .../devicetree/bindings/video/ti,omap2-dss.txt     |  54 ++++++
 .../devicetree/bindings/video/ti,omap3-dss.txt     |  83 +++++++++
 .../devicetree/bindings/video/ti,omap4-dss.txt     | 111 +++++++++++
 .../devicetree/bindings/video/ti,tfp410.txt        |  41 +++++
 .../devicetree/bindings/video/ti,tpd12s015.txt     |  44 +++++
 .../devicetree/bindings/video/video-ports.txt      |  22 +++
 13 files changed, 727 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/analog-tv-connector.txt
 create mode 100644 Documentation/devicetree/bindings/video/dvi-connector.txt
 create mode 100644 Documentation/devicetree/bindings/video/hdmi-connector.txt
 create mode 100644 Documentation/devicetree/bindings/video/panel-dpi.txt
 create mode 100644 Documentation/devicetree/bindings/video/panel-dsi-cm.txt
 create mode 100644 Documentation/devicetree/bindings/video/sony,acx565akm.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap2-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap3-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap4-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,tfp410.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
 create mode 100644 Documentation/devicetree/bindings/video/video-ports.txt

-- 
1.8.3.2

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[PATCH 0/9] OMAP DSS DT bindings documentation

[Tomi Valkeinen]

Hi,

Here is DT binding documentation for OMAP Display Subsystem. I've sent these
earlier as part of the whole DSS DT series, but I'm now sending them separately
to get comments for them.

These patches are essentially the same as what I already sent earlier. The only
difference is that I added clock information for omap3 and omap4 platforms.

 Tomi

Tomi Valkeinen (9):
  Doc/DT: Add OMAP DSS DT Bindings
  Doc/DT: Add DT binding documentation for Analog TV Connector
  Doc/DT: Add DT binding documentation for DVI Connector
  Doc/DT: Add DT binding documentation for HDMI Connector
  Doc/DT: Add DT binding documentation for MIPI DPI Panel
  Doc/DT: Add DT binding documentation for MIPI DSI CM Panel
  Doc/DT: Add DT binding documentation for Sony acx565akm panel
  Doc/DT: Add DT binding documentation for TFP410 encoder
  Doc/DT: Add DT binding documentation for tpd12s015 encoder

 .../bindings/video/analog-tv-connector.txt         |  23 +++
 .../devicetree/bindings/video/dvi-connector.txt    |  26 +++
 .../devicetree/bindings/video/hdmi-connector.txt   |  23 +++
 .../devicetree/bindings/video/panel-dpi.txt        |  43 +++++
 .../devicetree/bindings/video/panel-dsi-cm.txt     |  26 +++
 .../devicetree/bindings/video/sony,acx565akm.txt   |  28 +++
 .../devicetree/bindings/video/ti,omap-dss.txt      | 203 +++++++++++++++++++++
 .../devicetree/bindings/video/ti,omap2-dss.txt     |  54 ++++++
 .../devicetree/bindings/video/ti,omap3-dss.txt     |  83 +++++++++
 .../devicetree/bindings/video/ti,omap4-dss.txt     | 111 +++++++++++
 .../devicetree/bindings/video/ti,tfp410.txt        |  41 +++++
 .../devicetree/bindings/video/ti,tpd12s015.txt     |  44 +++++
 .../devicetree/bindings/video/video-ports.txt      |  22 +++
 13 files changed, 727 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/analog-tv-connector.txt
 create mode 100644 Documentation/devicetree/bindings/video/dvi-connector.txt
 create mode 100644 Documentation/devicetree/bindings/video/hdmi-connector.txt
 create mode 100644 Documentation/devicetree/bindings/video/panel-dpi.txt
 create mode 100644 Documentation/devicetree/bindings/video/panel-dsi-cm.txt
 create mode 100644 Documentation/devicetree/bindings/video/sony,acx565akm.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap2-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap3-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap4-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,tfp410.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
 create mode 100644 Documentation/devicetree/bindings/video/video-ports.txt

-- 
1.8.3.2

[PATCH 1/9] Doc/DT: Add OMAP DSS DT Bindings

[Tomi Valkeinen]

Add device tree bindings for OMAP Display Subsystem for the following
SoCs: OMAP2, OMAP3, OMAP4.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/ti,omap-dss.txt      | 203 +++++++++++++++++++++
 .../devicetree/bindings/video/ti,omap2-dss.txt     |  54 ++++++
 .../devicetree/bindings/video/ti,omap3-dss.txt     |  83 +++++++++
 .../devicetree/bindings/video/ti,omap4-dss.txt     | 111 +++++++++++
 .../devicetree/bindings/video/video-ports.txt      |  22 +++
 5 files changed, 473 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap2-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap3-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap4-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/video-ports.txt

diff --git a/Documentation/devicetree/bindings/video/ti,omap-dss.txt b/Documentation/devicetree/bindings/video/ti,omap-dss.txt
new file mode 100644
index 000000000000..928d3dc6f8dd
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap-dss.txt
@@ -0,0 +1,203 @@
+Texas Instruments OMAP Display Subsystem
+========================================
+
+Generic Description
+-------------------
+
+This document is a generic description of the OMAP Display Subsystem bindings.
+Binding details for each OMAP SoC version are described in respective binding
+documentation.
+
+The OMAP Display Subsystem (DSS) hardware consists of DSS Core, DISPC module and
+a number of encoder modules. All DSS versions contain DSS Core and DISPC, but
+the encoder modules vary.
+
+The DSS Core is the parent of the other DSS modules, and manages clock routing,
+integration to the SoC, etc.
+
+DISPC is the display controller, which reads pixels from the memory and outputs
+a RGB pixel stream to encoders.
+
+The encoder modules encode the received RGB pixel stream to a video output like
+HDMI, MIPI DPI, etc.
+
+Video Ports
+-----------
+
+The DSS Core and the encoders have video port outputs. The structure of the
+video ports is described in Documentation/devicetree/bindings/video/video-
+ports.txt, and the properties for the ports and endpoints for each encoder are
+described in the SoC's DSS binding documentation.
+
+The video ports are used to describe the connections to external hardware, like
+panels or external encoders.
+
+Aliases
+-------
+
+The board dts file may define aliases for displays to assign "displayX" style
+name for each display. If no aliases are defined, a semi-random number is used
+for the display.
+
+Example
+-------
+
+A shortened example of the DSS description for OMAP4, with non-relevant parts
+removed, defined in omap4.dtsi:
+
+dss: dss@58000000 {
+	compatible = "ti,omap4-dss", "simple-bus";
+	reg = <0x58000000 0x80>;
+	status = "disabled";
+	ti,hwmods = "dss_core";
+	clocks = <&dss_dss_clk>;
+	clock-names = "fck";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges;
+
+	dispc@58001000 {
+		compatible = "ti,omap4-dispc";
+		reg = <0x58001000 0x1000>;
+		interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+		ti,hwmods = "dss_dispc";
+		clocks = <&dss_dss_clk>;
+		clock-names = "fck";
+	};
+
+	hdmi: encoder@58006000 {
+		compatible = "ti,omap4-hdmi";
+		reg = <0x58006000 0x200>,
+		      <0x58006200 0x100>,
+		      <0x58006300 0x100>,
+		      <0x58006400 0x1000>;
+		reg-names = "wp", "pll", "phy", "core";
+		interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+		ti,hwmods = "dss_hdmi";
+		clocks = <&dss_48mhz_clk>, <&dss_sys_clk>;
+		clock-names = "fck", "sys_clk";
+	};
+};
+
+A shortened example of the board description for OMAP4 Panda board, defined in
+omap4-panda.dts.
+
+The Panda board has a DVI and a HDMI connector, and the board contains a TFP410
+chip (MIPI DPI to DVI encoder) and a TPD12S015 chip (HDMI ESD protection & level
+shifter). The video pipelines for the connectors are formed as follows:
+
+DSS Core --(MIPI DPI)--> TFP410 --(DVI)--> DVI Connector
+OMAP HDMI --(HDMI)--> TPD12S015 --(HDMI)--> HDMI COnnector
+
+/ {
+	aliases {
+		display0 = &dvi0;
+		display1 = &hdmi0;
+	};
+
+	tfp410: encoder@0 {
+		compatible = "ti,tfp410";
+		gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;	/* 0, power-down */
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&tfp410_pins>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				tfp410_in: endpoint@0 {
+					remote-endpoint = <&dpi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				tfp410_out: endpoint@0 {
+					remote-endpoint = <&dvi_connector_in>;
+				};
+			};
+		};
+	};
+
+	dvi0: connector@0 {
+		compatible = "dvi-connector";
+		label = "dvi";
+
+		i2c-bus = <&i2c3>;
+
+		dvi_connector_in: endpoint {
+			remote-endpoint = <&tfp410_out>;
+		};
+	};
+
+	tpd12s015: encoder@1 {
+		compatible = "ti,tpd12s015";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&tpd12s015_pins>;
+
+		gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,	/* 60, CT CP HPD */
+			<&gpio2 9 GPIO_ACTIVE_HIGH>,	/* 41, LS OE */
+			<&gpio2 31 GPIO_ACTIVE_HIGH>;	/* 63, HPD */
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				tpd12s015_in: endpoint@0 {
+					remote-endpoint = <&hdmi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				tpd12s015_out: endpoint@0 {
+					remote-endpoint = <&hdmi_connector_in>;
+				};
+			};
+		};
+	};
+
+	hdmi0: connector@1 {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+
+		hdmi_connector_in: endpoint {
+			remote-endpoint = <&tpd12s015_out>;
+		};
+	};
+};
+
+&dss {
+	status = "ok";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_dpi_pins>;
+
+	dpi_out: endpoint {
+		remote-endpoint = <&tfp410_in>;
+		data-lines = <24>;
+	};
+};
+
+&hdmi {
+	status = "ok";
+	vdda-supply = <&vdac>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_hdmi_pins>;
+
+	hdmi_out: endpoint {
+		remote-endpoint = <&tpd12s015_in>;
+	};
+};
diff --git a/Documentation/devicetree/bindings/video/ti,omap2-dss.txt b/Documentation/devicetree/bindings/video/ti,omap2-dss.txt
new file mode 100644
index 000000000000..fa8bb2ed1170
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap2-dss.txt
@@ -0,0 +1,54 @@
+Texas Instruments OMAP2 Display Subsystem
+=========================================
+
+See Documentation/devicetree/bindings/video/ti,omap-dss.txt for generic
+description about OMAP Display Subsystem bindings.
+
+DSS Core
+--------
+
+Required properties:
+- compatible: "ti,omap2-dss"
+- reg: address and length of the register space
+- ti,hwmods: "dss_core"
+
+Optional nodes:
+- Video port for DPI output
+
+DPI Endpoint required properties:
+- data-lines: number of lines used
+
+
+DISPC
+-----
+
+Required properties:
+- compatible: "ti,omap2-dispc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_dispc"
+- interrupts: the DISPC interrupt
+
+
+RFBI
+----
+
+Required properties:
+- compatible: "ti,omap2-rfbi"
+- reg: address and length of the register space
+- ti,hwmods: "dss_rfbi"
+
+
+VENC
+----
+
+Required properties:
+- compatible: "ti,omap2-venc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_venc"
+- vdda-supply: power supply for DAC
+
+VENC Endpoint required properties:
+
+Required properties:
+- ti,invert-polarity: invert the polarity of the video signal
+- ti,channels: 1 for composite, 2 for s-video
diff --git a/Documentation/devicetree/bindings/video/ti,omap3-dss.txt b/Documentation/devicetree/bindings/video/ti,omap3-dss.txt
new file mode 100644
index 000000000000..0023fa4b1328
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap3-dss.txt
@@ -0,0 +1,83 @@
+Texas Instruments OMAP3 Display Subsystem
+=========================================
+
+See Documentation/devicetree/bindings/video/ti,omap-dss.txt for generic
+description about OMAP Display Subsystem bindings.
+
+DSS Core
+--------
+
+Required properties:
+- compatible: "ti,omap3-dss"
+- reg: address and length of the register space
+- ti,hwmods: "dss_core"
+- clocks: handle to fclk
+- clock-names: "fck"
+
+Optional nodes:
+- Video ports:
+	- Port 0: DPI output
+	- Port 1: SDI output
+
+DPI Endpoint required properties:
+- data-lines: number of lines used
+
+SDI Endpoint required properties:
+- datapairs: number of datapairs used
+
+
+DISPC
+-----
+
+Required properties:
+- compatible: "ti,omap3-dispc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_dispc"
+- interrupts: the DISPC interrupt
+- clocks: handle to fclk
+- clock-names: "fck"
+
+
+RFBI
+----
+
+Required properties:
+- compatible: "ti,omap3-rfbi"
+- reg: address and length of the register space
+- ti,hwmods: "dss_rfbi"
+- clocks: handles to fclk and iclk
+- clock-names: "fck", "ick"
+
+
+VENC
+----
+
+Required properties:
+- compatible: "ti,omap3-venc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_venc"
+- vdda-supply: power supply for DAC
+- clocks: handle to fclk
+- clock-names: "fck"
+
+VENC Endpoint required properties:
+- ti,invert-polarity: invert the polarity of the video signal
+- ti,channels: 1 for composite, 2 for s-video
+
+
+DSI
+---
+
+Required properties:
+- compatible: "ti,omap3-dsi"
+- reg: addresses and lengths of the register spaces for 'proto', 'phy' and 'pll'
+- reg-names: "proto", "phy", "pll"
+- interrupts: the DSI interrupt line
+- ti,hwmods: "dss_dsi1"
+- vdd-supply: power supply for DSI
+- clocks: handles to fclk and pll clock
+- clock-names: "fck", "sys_clk"
+
+DSI Endpoint required properties:
+- lanes: list of pin numbers for the DSI lanes: CLK+, CLK-, DATA0+, DATA0-,
+  DATA1+, DATA1-, ...
diff --git a/Documentation/devicetree/bindings/video/ti,omap4-dss.txt b/Documentation/devicetree/bindings/video/ti,omap4-dss.txt
new file mode 100644
index 000000000000..f85d6fcfa705
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap4-dss.txt
@@ -0,0 +1,111 @@
+Texas Instruments OMAP4 Display Subsystem
+=========================================
+
+See Documentation/devicetree/bindings/video/ti,omap-dss.txt for generic
+description about OMAP Display Subsystem bindings.
+
+DSS Core
+--------
+
+Required properties:
+- compatible: "ti,omap4-dss"
+- reg: address and length of the register space
+- ti,hwmods: "dss_core"
+- clocks: handle to fclk
+- clock-names: "fck"
+
+Required nodes:
+- DISPC
+
+Optional nodes:
+- DSS Submodules: RFBI, VENC, DSI, HDMI
+- Video port for DPI output
+
+DPI Endpoint required properties:
+- data-lines: number of lines used
+
+
+DISPC
+-----
+
+Required properties:
+- compatible: "ti,omap4-dispc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_dispc"
+- interrupts: the DISPC interrupt
+- clocks: handle to fclk
+- clock-names: "fck"
+
+
+RFBI
+----
+
+Required properties:
+- compatible: "ti,omap4-rfbi"
+- reg: address and length of the register space
+- ti,hwmods: "dss_rfbi"
+- clocks: handles to fclk and iclk
+- clock-names: "fck", "ick"
+
+Optional nodes:
+- Video port for RFBI output
+- RFBI controlled peripherals
+
+
+VENC
+----
+
+Required properties:
+- compatible: "ti,omap4-venc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_venc"
+- vdda-supply: power supply for DAC
+- clocks: handle to fclk
+- clock-names: "fck"
+
+Optional nodes:
+- Video port for VENC output
+
+VENC Endpoint required properties:
+- ti,invert-polarity: invert the polarity of the video signal
+- ti,channels: 1 for composite, 2 for s-video
+
+
+DSI
+---
+
+Required properties:
+- compatible: "ti,omap4-dsi"
+- reg: addresses and lengths of the register spaces for 'proto', 'phy' and 'pll'
+- reg-names: "proto", "phy", "pll"
+- interrupts: the DSI interrupt line
+- ti,hwmods: "dss_dsi1" or "dss_dsi2"
+- vdd-supply: power supply for DSI
+- clocks: handles to fclk and pll clock
+- clock-names: "fck", "sys_clk"
+
+Optional nodes:
+- Video port for DSI output
+- DSI controlled peripherals
+
+DSI Endpoint required properties:
+- lanes: list of pin numbers for the DSI lanes: CLK+, CLK-, DATA0+, DATA0-,
+  DATA1+, DATA1-, ...
+
+
+HDMI
+----
+
+Required properties:
+- compatible: "ti,omap4-hdmi"
+- reg: addresses and lengths of the register spaces for 'wp', 'pll', 'phy',
+       'core'
+- reg-names: "wp", "pll", "phy", "core"
+- interrupts: the HDMI interrupt line
+- ti,hwmods: "dss_hdmi"
+- vdda-supply: vdda power supply
+- clocks: handles to fclk and pll clock
+- clock-names: "fck", "sys_clk"
+
+Optional nodes:
+- Video port for HDMI output
diff --git a/Documentation/devicetree/bindings/video/video-ports.txt b/Documentation/devicetree/bindings/video/video-ports.txt
new file mode 100644
index 000000000000..dad4c436caae
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/video-ports.txt
@@ -0,0 +1,22 @@
+Video Ports
+===========
+
+The video port bindings used for display devices is a superset of the v4l2 video
+ports described here:
+
+Documentation/devicetree/bindings/media/video-interfaces.txt
+
+The only difference is a more compact way to describe devices with only one
+endpoint. In cases like that, the 'ports' and 'port' nodes are not needed. For
+example, a DPI panel with a single input endpoint:
+
+lcd0: display@0 {
+	compatible = "samsung,lte430wq-f0c", "panel-dpi";
+
+	lcd_in: endpoint {
+		remote-endpoint = <&dpi_out>;
+	};
+};
+
+The rest of the bindings are the same as in v4l2 video port bindings and not
+described here.
-- 
1.8.3.2

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[PATCH 1/9] Doc/DT: Add OMAP DSS DT Bindings

[Tomi Valkeinen]

Add device tree bindings for OMAP Display Subsystem for the following
SoCs: OMAP2, OMAP3, OMAP4.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../devicetree/bindings/video/ti,omap-dss.txt      | 203 +++++++++++++++++++++
 .../devicetree/bindings/video/ti,omap2-dss.txt     |  54 ++++++
 .../devicetree/bindings/video/ti,omap3-dss.txt     |  83 +++++++++
 .../devicetree/bindings/video/ti,omap4-dss.txt     | 111 +++++++++++
 .../devicetree/bindings/video/video-ports.txt      |  22 +++
 5 files changed, 473 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap2-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap3-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/ti,omap4-dss.txt
 create mode 100644 Documentation/devicetree/bindings/video/video-ports.txt

diff --git a/Documentation/devicetree/bindings/video/ti,omap-dss.txt b/Documentation/devicetree/bindings/video/ti,omap-dss.txt
new file mode 100644
index 000000000000..928d3dc6f8dd
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap-dss.txt
@@ -0,0 +1,203 @@
+Texas Instruments OMAP Display Subsystem
+====================
+
+Generic Description
+-------------------
+
+This document is a generic description of the OMAP Display Subsystem bindings.
+Binding details for each OMAP SoC version are described in respective binding
+documentation.
+
+The OMAP Display Subsystem (DSS) hardware consists of DSS Core, DISPC module and
+a number of encoder modules. All DSS versions contain DSS Core and DISPC, but
+the encoder modules vary.
+
+The DSS Core is the parent of the other DSS modules, and manages clock routing,
+integration to the SoC, etc.
+
+DISPC is the display controller, which reads pixels from the memory and outputs
+a RGB pixel stream to encoders.
+
+The encoder modules encode the received RGB pixel stream to a video output like
+HDMI, MIPI DPI, etc.
+
+Video Ports
+-----------
+
+The DSS Core and the encoders have video port outputs. The structure of the
+video ports is described in Documentation/devicetree/bindings/video/video-
+ports.txt, and the properties for the ports and endpoints for each encoder are
+described in the SoC's DSS binding documentation.
+
+The video ports are used to describe the connections to external hardware, like
+panels or external encoders.
+
+Aliases
+-------
+
+The board dts file may define aliases for displays to assign "displayX" style
+name for each display. If no aliases are defined, a semi-random number is used
+for the display.
+
+Example
+-------
+
+A shortened example of the DSS description for OMAP4, with non-relevant parts
+removed, defined in omap4.dtsi:
+
+dss: dss@58000000 {
+	compatible = "ti,omap4-dss", "simple-bus";
+	reg = <0x58000000 0x80>;
+	status = "disabled";
+	ti,hwmods = "dss_core";
+	clocks = <&dss_dss_clk>;
+	clock-names = "fck";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges;
+
+	dispc@58001000 {
+		compatible = "ti,omap4-dispc";
+		reg = <0x58001000 0x1000>;
+		interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+		ti,hwmods = "dss_dispc";
+		clocks = <&dss_dss_clk>;
+		clock-names = "fck";
+	};
+
+	hdmi: encoder@58006000 {
+		compatible = "ti,omap4-hdmi";
+		reg = <0x58006000 0x200>,
+		      <0x58006200 0x100>,
+		      <0x58006300 0x100>,
+		      <0x58006400 0x1000>;
+		reg-names = "wp", "pll", "phy", "core";
+		interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+		ti,hwmods = "dss_hdmi";
+		clocks = <&dss_48mhz_clk>, <&dss_sys_clk>;
+		clock-names = "fck", "sys_clk";
+	};
+};
+
+A shortened example of the board description for OMAP4 Panda board, defined in
+omap4-panda.dts.
+
+The Panda board has a DVI and a HDMI connector, and the board contains a TFP410
+chip (MIPI DPI to DVI encoder) and a TPD12S015 chip (HDMI ESD protection & level
+shifter). The video pipelines for the connectors are formed as follows:
+
+DSS Core --(MIPI DPI)--> TFP410 --(DVI)--> DVI Connector
+OMAP HDMI --(HDMI)--> TPD12S015 --(HDMI)--> HDMI COnnector
+
+/ {
+	aliases {
+		display0 = &dvi0;
+		display1 = &hdmi0;
+	};
+
+	tfp410: encoder@0 {
+		compatible = "ti,tfp410";
+		gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;	/* 0, power-down */
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&tfp410_pins>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				tfp410_in: endpoint@0 {
+					remote-endpoint = <&dpi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				tfp410_out: endpoint@0 {
+					remote-endpoint = <&dvi_connector_in>;
+				};
+			};
+		};
+	};
+
+	dvi0: connector@0 {
+		compatible = "dvi-connector";
+		label = "dvi";
+
+		i2c-bus = <&i2c3>;
+
+		dvi_connector_in: endpoint {
+			remote-endpoint = <&tfp410_out>;
+		};
+	};
+
+	tpd12s015: encoder@1 {
+		compatible = "ti,tpd12s015";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&tpd12s015_pins>;
+
+		gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,	/* 60, CT CP HPD */
+			<&gpio2 9 GPIO_ACTIVE_HIGH>,	/* 41, LS OE */
+			<&gpio2 31 GPIO_ACTIVE_HIGH>;	/* 63, HPD */
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				tpd12s015_in: endpoint@0 {
+					remote-endpoint = <&hdmi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				tpd12s015_out: endpoint@0 {
+					remote-endpoint = <&hdmi_connector_in>;
+				};
+			};
+		};
+	};
+
+	hdmi0: connector@1 {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+
+		hdmi_connector_in: endpoint {
+			remote-endpoint = <&tpd12s015_out>;
+		};
+	};
+};
+
+&dss {
+	status = "ok";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_dpi_pins>;
+
+	dpi_out: endpoint {
+		remote-endpoint = <&tfp410_in>;
+		data-lines = <24>;
+	};
+};
+
+&hdmi {
+	status = "ok";
+	vdda-supply = <&vdac>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_hdmi_pins>;
+
+	hdmi_out: endpoint {
+		remote-endpoint = <&tpd12s015_in>;
+	};
+};
diff --git a/Documentation/devicetree/bindings/video/ti,omap2-dss.txt b/Documentation/devicetree/bindings/video/ti,omap2-dss.txt
new file mode 100644
index 000000000000..fa8bb2ed1170
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap2-dss.txt
@@ -0,0 +1,54 @@
+Texas Instruments OMAP2 Display Subsystem
+====================+
+See Documentation/devicetree/bindings/video/ti,omap-dss.txt for generic
+description about OMAP Display Subsystem bindings.
+
+DSS Core
+--------
+
+Required properties:
+- compatible: "ti,omap2-dss"
+- reg: address and length of the register space
+- ti,hwmods: "dss_core"
+
+Optional nodes:
+- Video port for DPI output
+
+DPI Endpoint required properties:
+- data-lines: number of lines used
+
+
+DISPC
+-----
+
+Required properties:
+- compatible: "ti,omap2-dispc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_dispc"
+- interrupts: the DISPC interrupt
+
+
+RFBI
+----
+
+Required properties:
+- compatible: "ti,omap2-rfbi"
+- reg: address and length of the register space
+- ti,hwmods: "dss_rfbi"
+
+
+VENC
+----
+
+Required properties:
+- compatible: "ti,omap2-venc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_venc"
+- vdda-supply: power supply for DAC
+
+VENC Endpoint required properties:
+
+Required properties:
+- ti,invert-polarity: invert the polarity of the video signal
+- ti,channels: 1 for composite, 2 for s-video
diff --git a/Documentation/devicetree/bindings/video/ti,omap3-dss.txt b/Documentation/devicetree/bindings/video/ti,omap3-dss.txt
new file mode 100644
index 000000000000..0023fa4b1328
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap3-dss.txt
@@ -0,0 +1,83 @@
+Texas Instruments OMAP3 Display Subsystem
+====================+
+See Documentation/devicetree/bindings/video/ti,omap-dss.txt for generic
+description about OMAP Display Subsystem bindings.
+
+DSS Core
+--------
+
+Required properties:
+- compatible: "ti,omap3-dss"
+- reg: address and length of the register space
+- ti,hwmods: "dss_core"
+- clocks: handle to fclk
+- clock-names: "fck"
+
+Optional nodes:
+- Video ports:
+	- Port 0: DPI output
+	- Port 1: SDI output
+
+DPI Endpoint required properties:
+- data-lines: number of lines used
+
+SDI Endpoint required properties:
+- datapairs: number of datapairs used
+
+
+DISPC
+-----
+
+Required properties:
+- compatible: "ti,omap3-dispc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_dispc"
+- interrupts: the DISPC interrupt
+- clocks: handle to fclk
+- clock-names: "fck"
+
+
+RFBI
+----
+
+Required properties:
+- compatible: "ti,omap3-rfbi"
+- reg: address and length of the register space
+- ti,hwmods: "dss_rfbi"
+- clocks: handles to fclk and iclk
+- clock-names: "fck", "ick"
+
+
+VENC
+----
+
+Required properties:
+- compatible: "ti,omap3-venc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_venc"
+- vdda-supply: power supply for DAC
+- clocks: handle to fclk
+- clock-names: "fck"
+
+VENC Endpoint required properties:
+- ti,invert-polarity: invert the polarity of the video signal
+- ti,channels: 1 for composite, 2 for s-video
+
+
+DSI
+---
+
+Required properties:
+- compatible: "ti,omap3-dsi"
+- reg: addresses and lengths of the register spaces for 'proto', 'phy' and 'pll'
+- reg-names: "proto", "phy", "pll"
+- interrupts: the DSI interrupt line
+- ti,hwmods: "dss_dsi1"
+- vdd-supply: power supply for DSI
+- clocks: handles to fclk and pll clock
+- clock-names: "fck", "sys_clk"
+
+DSI Endpoint required properties:
+- lanes: list of pin numbers for the DSI lanes: CLK+, CLK-, DATA0+, DATA0-,
+  DATA1+, DATA1-, ...
diff --git a/Documentation/devicetree/bindings/video/ti,omap4-dss.txt b/Documentation/devicetree/bindings/video/ti,omap4-dss.txt
new file mode 100644
index 000000000000..f85d6fcfa705
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,omap4-dss.txt
@@ -0,0 +1,111 @@
+Texas Instruments OMAP4 Display Subsystem
+====================+
+See Documentation/devicetree/bindings/video/ti,omap-dss.txt for generic
+description about OMAP Display Subsystem bindings.
+
+DSS Core
+--------
+
+Required properties:
+- compatible: "ti,omap4-dss"
+- reg: address and length of the register space
+- ti,hwmods: "dss_core"
+- clocks: handle to fclk
+- clock-names: "fck"
+
+Required nodes:
+- DISPC
+
+Optional nodes:
+- DSS Submodules: RFBI, VENC, DSI, HDMI
+- Video port for DPI output
+
+DPI Endpoint required properties:
+- data-lines: number of lines used
+
+
+DISPC
+-----
+
+Required properties:
+- compatible: "ti,omap4-dispc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_dispc"
+- interrupts: the DISPC interrupt
+- clocks: handle to fclk
+- clock-names: "fck"
+
+
+RFBI
+----
+
+Required properties:
+- compatible: "ti,omap4-rfbi"
+- reg: address and length of the register space
+- ti,hwmods: "dss_rfbi"
+- clocks: handles to fclk and iclk
+- clock-names: "fck", "ick"
+
+Optional nodes:
+- Video port for RFBI output
+- RFBI controlled peripherals
+
+
+VENC
+----
+
+Required properties:
+- compatible: "ti,omap4-venc"
+- reg: address and length of the register space
+- ti,hwmods: "dss_venc"
+- vdda-supply: power supply for DAC
+- clocks: handle to fclk
+- clock-names: "fck"
+
+Optional nodes:
+- Video port for VENC output
+
+VENC Endpoint required properties:
+- ti,invert-polarity: invert the polarity of the video signal
+- ti,channels: 1 for composite, 2 for s-video
+
+
+DSI
+---
+
+Required properties:
+- compatible: "ti,omap4-dsi"
+- reg: addresses and lengths of the register spaces for 'proto', 'phy' and 'pll'
+- reg-names: "proto", "phy", "pll"
+- interrupts: the DSI interrupt line
+- ti,hwmods: "dss_dsi1" or "dss_dsi2"
+- vdd-supply: power supply for DSI
+- clocks: handles to fclk and pll clock
+- clock-names: "fck", "sys_clk"
+
+Optional nodes:
+- Video port for DSI output
+- DSI controlled peripherals
+
+DSI Endpoint required properties:
+- lanes: list of pin numbers for the DSI lanes: CLK+, CLK-, DATA0+, DATA0-,
+  DATA1+, DATA1-, ...
+
+
+HDMI
+----
+
+Required properties:
+- compatible: "ti,omap4-hdmi"
+- reg: addresses and lengths of the register spaces for 'wp', 'pll', 'phy',
+       'core'
+- reg-names: "wp", "pll", "phy", "core"
+- interrupts: the HDMI interrupt line
+- ti,hwmods: "dss_hdmi"
+- vdda-supply: vdda power supply
+- clocks: handles to fclk and pll clock
+- clock-names: "fck", "sys_clk"
+
+Optional nodes:
+- Video port for HDMI output
diff --git a/Documentation/devicetree/bindings/video/video-ports.txt b/Documentation/devicetree/bindings/video/video-ports.txt
new file mode 100644
index 000000000000..dad4c436caae
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/video-ports.txt
@@ -0,0 +1,22 @@
+Video Ports
+=====+
+The video port bindings used for display devices is a superset of the v4l2 video
+ports described here:
+
+Documentation/devicetree/bindings/media/video-interfaces.txt
+
+The only difference is a more compact way to describe devices with only one
+endpoint. In cases like that, the 'ports' and 'port' nodes are not needed. For
+example, a DPI panel with a single input endpoint:
+
+lcd0: display@0 {
+	compatible = "samsung,lte430wq-f0c", "panel-dpi";
+
+	lcd_in: endpoint {
+		remote-endpoint = <&dpi_out>;
+	};
+};
+
+The rest of the bindings are the same as in v4l2 video port bindings and not
+described here.
-- 
1.8.3.2

[PATCH 2/9] Doc/DT: Add DT binding documentation for Analog TV Connector

Add DT binding documentation for Analog TV Connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../bindings/video/analog-tv-connector.txt         | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/analog-tv-connector.txt

diff --git a/Documentation/devicetree/bindings/video/analog-tv-connector.txt b/Documentation/devicetree/bindings/video/analog-tv-connector.txt
new file mode 100644
index 000000000000..d6be373d8705
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/analog-tv-connector.txt
@@ -0,0 +1,23 @@
+Analog TV Connector
+===================
+
+Required properties:
+- compatible: "composite-connector" or "svideo-connector"
+
+Optional properties:
+- label: a symbolic name for the connector
+
+Required nodes:
+- Video port for TV input
+
+Example
+-------
+
+tv: connector {
+	compatible = "composite-connector";
+	label = "tv";
+
+	tv_connector_in: endpoint {
+		remote-endpoint = <&venc_out>;
+	};
+};
-- 
1.8.3.2

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[PATCH 2/9] Doc/DT: Add DT binding documentation for Analog TV Connector

[Tomi Valkeinen]

Add DT binding documentation for Analog TV Connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../bindings/video/analog-tv-connector.txt         | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/analog-tv-connector.txt

diff --git a/Documentation/devicetree/bindings/video/analog-tv-connector.txt b/Documentation/devicetree/bindings/video/analog-tv-connector.txt
new file mode 100644
index 000000000000..d6be373d8705
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/analog-tv-connector.txt
@@ -0,0 +1,23 @@
+Analog TV Connector
+=========+
+Required properties:
+- compatible: "composite-connector" or "svideo-connector"
+
+Optional properties:
+- label: a symbolic name for the connector
+
+Required nodes:
+- Video port for TV input
+
+Example
+-------
+
+tv: connector {
+	compatible = "composite-connector";
+	label = "tv";
+
+	tv_connector_in: endpoint {
+		remote-endpoint = <&venc_out>;
+	};
+};
-- 
1.8.3.2

[PATCH 3/9] Doc/DT: Add DT binding documentation for DVI Connector

[Tomi Valkeinen]

Add DT binding documentation for DVI Connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/dvi-connector.txt    | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/dvi-connector.txt

diff --git a/Documentation/devicetree/bindings/video/dvi-connector.txt b/Documentation/devicetree/bindings/video/dvi-connector.txt
new file mode 100644
index 000000000000..6a0aff866c78
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/dvi-connector.txt
@@ -0,0 +1,26 @@
+DVI Connector
+==============
+
+Required properties:
+- compatible: "dvi-connector"
+
+Optional properties:
+- label: a symbolic name for the connector
+- i2c-bus: phandle to the i2c bus that is connected to DVI DDC
+
+Required nodes:
+- Video port for DVI input
+
+Example
+-------
+
+dvi0: connector@0 {
+	compatible = "dvi-connector";
+	label = "dvi";
+
+	i2c-bus = <&i2c3>;
+
+	dvi_connector_in: endpoint {
+		remote-endpoint = <&tfp410_out>;
+	};
+};
-- 
1.8.3.2

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[PATCH 3/9] Doc/DT: Add DT binding documentation for DVI Connector

[Tomi Valkeinen]

Add DT binding documentation for DVI Connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../devicetree/bindings/video/dvi-connector.txt    | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/dvi-connector.txt

diff --git a/Documentation/devicetree/bindings/video/dvi-connector.txt b/Documentation/devicetree/bindings/video/dvi-connector.txt
new file mode 100644
index 000000000000..6a0aff866c78
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/dvi-connector.txt
@@ -0,0 +1,26 @@
+DVI Connector
+=======
+
+Required properties:
+- compatible: "dvi-connector"
+
+Optional properties:
+- label: a symbolic name for the connector
+- i2c-bus: phandle to the i2c bus that is connected to DVI DDC
+
+Required nodes:
+- Video port for DVI input
+
+Example
+-------
+
+dvi0: connector@0 {
+	compatible = "dvi-connector";
+	label = "dvi";
+
+	i2c-bus = <&i2c3>;
+
+	dvi_connector_in: endpoint {
+		remote-endpoint = <&tfp410_out>;
+	};
+};
-- 
1.8.3.2

[PATCH 4/9] Doc/DT: Add DT binding documentation for HDMI Connector

[Tomi Valkeinen]

Add DT binding documentation for HDMI Connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/hdmi-connector.txt   | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/hdmi-connector.txt

diff --git a/Documentation/devicetree/bindings/video/hdmi-connector.txt b/Documentation/devicetree/bindings/video/hdmi-connector.txt
new file mode 100644
index 000000000000..5d25f6a432bb
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/hdmi-connector.txt
@@ -0,0 +1,23 @@
+HDMI Connector
+==============
+
+Required properties:
+- compatible: "hdmi-connector"
+
+Optional properties:
+- label: a symbolic name for the connector
+
+Required nodes:
+- Video port for HDMI input
+
+Example
+-------
+
+hdmi0: connector@1 {
+	compatible = "hdmi-connector";
+	label = "hdmi";
+
+	hdmi_connector_in: endpoint {
+		remote-endpoint = <&tpd12s015_out>;
+	};
+};
-- 
1.8.3.2

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[PATCH 4/9] Doc/DT: Add DT binding documentation for HDMI Connector

[Tomi Valkeinen]

Add DT binding documentation for HDMI Connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../devicetree/bindings/video/hdmi-connector.txt   | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/hdmi-connector.txt

diff --git a/Documentation/devicetree/bindings/video/hdmi-connector.txt b/Documentation/devicetree/bindings/video/hdmi-connector.txt
new file mode 100644
index 000000000000..5d25f6a432bb
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/hdmi-connector.txt
@@ -0,0 +1,23 @@
+HDMI Connector
+=======
+
+Required properties:
+- compatible: "hdmi-connector"
+
+Optional properties:
+- label: a symbolic name for the connector
+
+Required nodes:
+- Video port for HDMI input
+
+Example
+-------
+
+hdmi0: connector@1 {
+	compatible = "hdmi-connector";
+	label = "hdmi";
+
+	hdmi_connector_in: endpoint {
+		remote-endpoint = <&tpd12s015_out>;
+	};
+};
-- 
1.8.3.2

[PATCH 5/9] Doc/DT: Add DT binding documentation for MIPI DPI Panel

[Tomi Valkeinen]

Add DT binding documentation for MIPI DPI Panel.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/panel-dpi.txt        | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/panel-dpi.txt

diff --git a/Documentation/devicetree/bindings/video/panel-dpi.txt b/Documentation/devicetree/bindings/video/panel-dpi.txt
new file mode 100644
index 000000000000..72636c6f1c67
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/panel-dpi.txt
@@ -0,0 +1,43 @@
+Generic MIPI DPI Panel
+======================
+
+Required properties:
+- compatible: "panel-dpi"
+
+Optional properties:
+- label: a symbolic name for the panel
+- gpios: panel enable gpio and backlight enable gpio
+
+Required nodes:
+- "panel-timing" containing video timings
+  (Documentation/devicetree/bindings/video/display-timing.txt)
+- Video port for DPI input
+
+Example
+-------
+
+lcd0: display@0 {
+        compatible = "samsung,lte430wq-f0c", "panel-dpi";
+        label = "lcd";
+
+        lcd_in: endpoint {
+                remote-endpoint = <&dpi_out>;
+        };
+
+        panel-timing {
+                clock-frequency = <9200000>;
+                hactive = <480>;
+                vactive = <272>;
+                hfront-porch = <8>;
+                hback-porch = <4>;
+                hsync-len = <41>;
+                vback-porch = <2>;
+                vfront-porch = <4>;
+                vsync-len = <10>;
+
+                hsync-active = <0>;
+                vsync-active = <0>;
+                de-active = <1>;
+                pixelclk-active = <1>;
+        };
+};
-- 
1.8.3.2

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[PATCH 5/9] Doc/DT: Add DT binding documentation for MIPI DPI Panel

[Tomi Valkeinen]

Add DT binding documentation for MIPI DPI Panel.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../devicetree/bindings/video/panel-dpi.txt        | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/panel-dpi.txt

diff --git a/Documentation/devicetree/bindings/video/panel-dpi.txt b/Documentation/devicetree/bindings/video/panel-dpi.txt
new file mode 100644
index 000000000000..72636c6f1c67
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/panel-dpi.txt
@@ -0,0 +1,43 @@
+Generic MIPI DPI Panel
+===========
+
+Required properties:
+- compatible: "panel-dpi"
+
+Optional properties:
+- label: a symbolic name for the panel
+- gpios: panel enable gpio and backlight enable gpio
+
+Required nodes:
+- "panel-timing" containing video timings
+  (Documentation/devicetree/bindings/video/display-timing.txt)
+- Video port for DPI input
+
+Example
+-------
+
+lcd0: display@0 {
+        compatible = "samsung,lte430wq-f0c", "panel-dpi";
+        label = "lcd";
+
+        lcd_in: endpoint {
+                remote-endpoint = <&dpi_out>;
+        };
+
+        panel-timing {
+                clock-frequency = <9200000>;
+                hactive = <480>;
+                vactive = <272>;
+                hfront-porch = <8>;
+                hback-porch = <4>;
+                hsync-len = <41>;
+                vback-porch = <2>;
+                vfront-porch = <4>;
+                vsync-len = <10>;
+
+                hsync-active = <0>;
+                vsync-active = <0>;
+                de-active = <1>;
+                pixelclk-active = <1>;
+        };
+};
-- 
1.8.3.2

[PATCH 6/9] Doc/DT: Add DT binding documentation for MIPI DSI CM Panel

[Tomi Valkeinen]

Add DT binding documentation for MIPI DSI Command Mode Panel.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/panel-dsi-cm.txt     | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/panel-dsi-cm.txt

diff --git a/Documentation/devicetree/bindings/video/panel-dsi-cm.txt b/Documentation/devicetree/bindings/video/panel-dsi-cm.txt
new file mode 100644
index 000000000000..73f422556d4f
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/panel-dsi-cm.txt
@@ -0,0 +1,26 @@
+Generic MIPI DSI Command Mode Panel
+===================================
+
+Required properties:
+- compatible: "panel-dsi-cm"
+
+Optional properties:
+- label: a symbolic name for the panel
+- gpios: panel reset gpio and TE gpio
+
+Required nodes:
+- Video port for DSI input
+
+Example
+-------
+
+lcd0: display {
+	compatible = "tpo,taal", "panel-dsi-cm";
+	label = "lcd0";
+
+	gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>;	/* 102, reset */
+
+	lcd0_in: endpoint {
+		remote-endpoint = <&dsi1_out_ep>;
+	};
+};
-- 
1.8.3.2

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[PATCH 6/9] Doc/DT: Add DT binding documentation for MIPI DSI CM Panel

[Tomi Valkeinen]

Add DT binding documentation for MIPI DSI Command Mode Panel.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../devicetree/bindings/video/panel-dsi-cm.txt     | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/panel-dsi-cm.txt

diff --git a/Documentation/devicetree/bindings/video/panel-dsi-cm.txt b/Documentation/devicetree/bindings/video/panel-dsi-cm.txt
new file mode 100644
index 000000000000..73f422556d4f
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/panel-dsi-cm.txt
@@ -0,0 +1,26 @@
+Generic MIPI DSI Command Mode Panel
+=================+
+Required properties:
+- compatible: "panel-dsi-cm"
+
+Optional properties:
+- label: a symbolic name for the panel
+- gpios: panel reset gpio and TE gpio
+
+Required nodes:
+- Video port for DSI input
+
+Example
+-------
+
+lcd0: display {
+	compatible = "tpo,taal", "panel-dsi-cm";
+	label = "lcd0";
+
+	gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>;	/* 102, reset */
+
+	lcd0_in: endpoint {
+		remote-endpoint = <&dsi1_out_ep>;
+	};
+};
-- 
1.8.3.2

[PATCH 7/9] Doc/DT: Add DT binding documentation for Sony acx565akm panel

[Tomi Valkeinen]

Add DT binding documentation for Sony acx565akm panel

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
Reviewed-by: Sebastian Reichel <sre-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>
---
 .../devicetree/bindings/video/sony,acx565akm.txt   | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/sony,acx565akm.txt

diff --git a/Documentation/devicetree/bindings/video/sony,acx565akm.txt b/Documentation/devicetree/bindings/video/sony,acx565akm.txt
new file mode 100644
index 000000000000..cd9cfdf7e3fe
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/sony,acx565akm.txt
@@ -0,0 +1,28 @@
+Sony ACX565AKM SDI Panel
+========================
+
+Required properties:
+- compatible: "sony,acx565akm"
+
+Optional properties:
+- label: a symbolic name for the panel
+- gpios: panel reset gpio
+
+Required nodes:
+- Video port for SDI input
+
+Example
+-------
+
+acx565akm@2 {
+	compatible = "sony,acx565akm";
+	spi-max-frequency = <6000000>;
+	reg = <2>;
+
+	label = "lcd";
+	gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* 90 */
+
+	lcd_in: endpoint {
+		remote-endpoint = <&sdi_out>;
+	};
+};
-- 
1.8.3.2

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[PATCH 7/9] Doc/DT: Add DT binding documentation for Sony acx565akm panel

[Tomi Valkeinen]

Add DT binding documentation for Sony acx565akm panel

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Sebastian Reichel <sre@debian.org>
---
 .../devicetree/bindings/video/sony,acx565akm.txt   | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/sony,acx565akm.txt

diff --git a/Documentation/devicetree/bindings/video/sony,acx565akm.txt b/Documentation/devicetree/bindings/video/sony,acx565akm.txt
new file mode 100644
index 000000000000..cd9cfdf7e3fe
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/sony,acx565akm.txt
@@ -0,0 +1,28 @@
+Sony ACX565AKM SDI Panel
+============
+
+Required properties:
+- compatible: "sony,acx565akm"
+
+Optional properties:
+- label: a symbolic name for the panel
+- gpios: panel reset gpio
+
+Required nodes:
+- Video port for SDI input
+
+Example
+-------
+
+acx565akm@2 {
+	compatible = "sony,acx565akm";
+	spi-max-frequency = <6000000>;
+	reg = <2>;
+
+	label = "lcd";
+	gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* 90 */
+
+	lcd_in: endpoint {
+		remote-endpoint = <&sdi_out>;
+	};
+};
-- 
1.8.3.2

[PATCH 8/9] Doc/DT: Add DT binding documentation for TFP410 encoder

[Tomi Valkeinen]

Add DT binding documentation for TFP410 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/ti,tfp410.txt        | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,tfp410.txt

diff --git a/Documentation/devicetree/bindings/video/ti,tfp410.txt b/Documentation/devicetree/bindings/video/ti,tfp410.txt
new file mode 100644
index 000000000000..6a5a04627584
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,tfp410.txt
@@ -0,0 +1,41 @@
+TFP410 DPI to DVI encoder
+=========================
+
+Required properties:
+- compatible: "ti,tfp410"
+
+Optional properties:
+- gpios: power-down gpio
+
+Required nodes:
+- Video port 0 for DPI input
+- Video port 1 for DVI output
+
+Example
+-------
+
+tfp410: encoder@0 {
+	compatible = "ti,tfp410";
+	gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>;
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			tfp410_in: endpoint@0 {
+				remote-endpoint = <&dpi_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			tfp410_out: endpoint@0 {
+				remote-endpoint = <&dvi_connector_in>;
+			};
+		};
+	};
+};
-- 
1.8.3.2

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[PATCH 8/9] Doc/DT: Add DT binding documentation for TFP410 encoder

[Tomi Valkeinen]

Add DT binding documentation for TFP410 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../devicetree/bindings/video/ti,tfp410.txt        | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,tfp410.txt

diff --git a/Documentation/devicetree/bindings/video/ti,tfp410.txt b/Documentation/devicetree/bindings/video/ti,tfp410.txt
new file mode 100644
index 000000000000..6a5a04627584
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,tfp410.txt
@@ -0,0 +1,41 @@
+TFP410 DPI to DVI encoder
+============+
+Required properties:
+- compatible: "ti,tfp410"
+
+Optional properties:
+- gpios: power-down gpio
+
+Required nodes:
+- Video port 0 for DPI input
+- Video port 1 for DVI output
+
+Example
+-------
+
+tfp410: encoder@0 {
+	compatible = "ti,tfp410";
+	gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>;
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			tfp410_in: endpoint@0 {
+				remote-endpoint = <&dpi_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			tfp410_out: endpoint@0 {
+				remote-endpoint = <&dvi_connector_in>;
+			};
+		};
+	};
+};
-- 
1.8.3.2

[PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

Add DT binding documentation for tpd12s015 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt

diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
new file mode 100644
index 000000000000..26e6d32e3f20
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
@@ -0,0 +1,44 @@
+TPD12S015 HDMI level shifter and ESD protection chip
+====================================================
+
+Required properties:
+- compatible: "ti,tpd12s015"
+
+Optional properties:
+- gpios: CT CP HPD, LS OE and HPD gpios
+
+Required nodes:
+- Video port 0 for HDMI input
+- Video port 1 for HDMI output
+
+Example
+-------
+
+tpd12s015: encoder@1 {
+	compatible = "ti,tpd12s015";
+
+	gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,	/* 60, CT CP HPD */
+		<&gpio2 9 GPIO_ACTIVE_HIGH>,	/* 41, LS OE */
+		<&gpio2 31 GPIO_ACTIVE_HIGH>;	/* 63, HPD */
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			tpd12s015_in: endpoint@0 {
+				remote-endpoint = <&hdmi_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			tpd12s015_out: endpoint@0 {
+				remote-endpoint = <&hdmi_connector_in>;
+			};
+		};
+	};
+};
-- 
1.8.3.2

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[PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

Add DT binding documentation for tpd12s015 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt

diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
new file mode 100644
index 000000000000..26e6d32e3f20
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
@@ -0,0 +1,44 @@
+TPD12S015 HDMI level shifter and ESD protection chip
+==========================
+
+Required properties:
+- compatible: "ti,tpd12s015"
+
+Optional properties:
+- gpios: CT CP HPD, LS OE and HPD gpios
+
+Required nodes:
+- Video port 0 for HDMI input
+- Video port 1 for HDMI output
+
+Example
+-------
+
+tpd12s015: encoder@1 {
+	compatible = "ti,tpd12s015";
+
+	gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,	/* 60, CT CP HPD */
+		<&gpio2 9 GPIO_ACTIVE_HIGH>,	/* 41, LS OE */
+		<&gpio2 31 GPIO_ACTIVE_HIGH>;	/* 63, HPD */
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			tpd12s015_in: endpoint@0 {
+				remote-endpoint = <&hdmi_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			tpd12s015_out: endpoint@0 {
+				remote-endpoint = <&hdmi_connector_in>;
+			};
+		};
+	};
+};
-- 
1.8.3.2

Re: [PATCH 1/9] Doc/DT: Add OMAP DSS DT Bindings

[Archit Taneja]

Hi,

On Thursday 13 February 2014 06:02 PM, Tomi Valkeinen wrote:
> Add device tree bindings for OMAP Display Subsystem for the following
> SoCs: OMAP2, OMAP3, OMAP4.


>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
> ---

<snip>

> +A shortened example of the board description for OMAP4 Panda board, defined in
> +omap4-panda.dts.
> +
> +The Panda board has a DVI and a HDMI connector, and the board contains a TFP410
> +chip (MIPI DPI to DVI encoder) and a TPD12S015 chip (HDMI ESD protection & level
> +shifter). The video pipelines for the connectors are formed as follows:
> +
> +DSS Core --(MIPI DPI)--> TFP410 --(DVI)--> DVI Connector
> +OMAP HDMI --(HDMI)--> TPD12S015 --(HDMI)--> HDMI COnnector

Nitpick - 'CO' -> 'Co'

Archit

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Re: [PATCH 1/9] Doc/DT: Add OMAP DSS DT Bindings

[Archit Taneja]

Hi,

On Thursday 13 February 2014 06:02 PM, Tomi Valkeinen wrote:
> Add device tree bindings for OMAP Display Subsystem for the following
> SoCs: OMAP2, OMAP3, OMAP4.


>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> ---

<snip>

> +A shortened example of the board description for OMAP4 Panda board, defined in
> +omap4-panda.dts.
> +
> +The Panda board has a DVI and a HDMI connector, and the board contains a TFP410
> +chip (MIPI DPI to DVI encoder) and a TPD12S015 chip (HDMI ESD protection & level
> +shifter). The video pipelines for the connectors are formed as follows:
> +
> +DSS Core --(MIPI DPI)--> TFP410 --(DVI)--> DVI Connector
> +OMAP HDMI --(HDMI)--> TPD12S015 --(HDMI)--> HDMI COnnector

Nitpick - 'CO' -> 'Co'

Archit

Re: [PATCH 0/9] OMAP DSS DT bindings documentation

[Archit Taneja]

Hi,

On Thursday 13 February 2014 06:02 PM, Tomi Valkeinen wrote:
> Hi,
>
> Here is DT binding documentation for OMAP Display Subsystem. I've sent these
> earlier as part of the whole DSS DT series, but I'm now sending them separately
> to get comments for them.
>
> These patches are essentially the same as what I already sent earlier. The only
> difference is that I added clock information for omap3 and omap4 platforms.

Reviewed-by: Archit Taneja <archit-l0cyMroinI0@public.gmane.org>

Archit

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Re: [PATCH 0/9] OMAP DSS DT bindings documentation

[Archit Taneja]

Hi,

On Thursday 13 February 2014 06:02 PM, Tomi Valkeinen wrote:
> Hi,
>
> Here is DT binding documentation for OMAP Display Subsystem. I've sent these
> earlier as part of the whole DSS DT series, but I'm now sending them separately
> to get comments for them.
>
> These patches are essentially the same as what I already sent earlier. The only
> difference is that I added clock information for omap3 and omap4 platforms.

Reviewed-by: Archit Taneja <archit@ti.com>

Archit

Re: [PATCH 0/9] OMAP DSS DT bindings documentation

[Tomi Valkeinen]

[-- Attachment #1: Type: text/plain, Size: 621 bytes --]

On 18/02/14 14:09, Archit Taneja wrote:
> Hi,
> 
> On Thursday 13 February 2014 06:02 PM, Tomi Valkeinen wrote:
>> Hi,
>>
>> Here is DT binding documentation for OMAP Display Subsystem. I've sent
>> these
>> earlier as part of the whole DSS DT series, but I'm now sending them
>> separately
>> to get comments for them.
>>
>> These patches are essentially the same as what I already sent earlier.
>> The only
>> difference is that I added clock information for omap3 and omap4
>> platforms.
> 
> Reviewed-by: Archit Taneja <archit-l0cyMroinI0@public.gmane.org>
> 
> Archit
> 

Thanks!

 Tomi



[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 901 bytes --]

Re: [PATCH 0/9] OMAP DSS DT bindings documentation

[Tomi Valkeinen]

[-- Attachment #1: Type: text/plain, Size: 599 bytes --]

On 18/02/14 14:09, Archit Taneja wrote:
> Hi,
> 
> On Thursday 13 February 2014 06:02 PM, Tomi Valkeinen wrote:
>> Hi,
>>
>> Here is DT binding documentation for OMAP Display Subsystem. I've sent
>> these
>> earlier as part of the whole DSS DT series, but I'm now sending them
>> separately
>> to get comments for them.
>>
>> These patches are essentially the same as what I already sent earlier.
>> The only
>> difference is that I added clock information for omap3 and omap4
>> platforms.
> 
> Reviewed-by: Archit Taneja <archit@ti.com>
> 
> Archit
> 

Thanks!

 Tomi



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Re: [PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

[-- Attachment #1.1: Type: text/plain, Size: 3329 bytes --]

On 28/02/14 18:13, Russell King - ARM Linux wrote:
> On Fri, Feb 28, 2014 at 02:20:16PM +0200, Tomi Valkeinen wrote:
>> Add DT binding documentation for tpd12s015 encoder
>>
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
>> Reviewed-by: Archit Taneja <archit@ti.com>
>> ---
>>  .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
>>  1 file changed, 44 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>>
>> diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>> new file mode 100644
>> index 000000000000..26e6d32e3f20
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>> @@ -0,0 +1,44 @@
>> +TPD12S015 HDMI level shifter and ESD protection chip
>> +====================================================
>> +
>> +Required properties:
>> +- compatible: "ti,tpd12s015"
>> +
>> +Optional properties:
>> +- gpios: CT CP HPD, LS OE and HPD gpios
> 
> If this is supposed to give people a clue about what these GPIOs are,
> it completely fails to do this.  CT CP?  HPD is obviously the hotplug
> detect signal, but why are there two - HDMI only has a single detect
> pin on the connector.

No, it's not supposed to give a clue. But if you have a TPD chip on your
board, and you use it and write a dts file, you need to know what those
GPIOs are and where they are connected. They're described in the TPD
spec and should be visible on your boards schematics.

I did stop a few times when writing the binding docs, trying to decide
when I should go to details and when not. I usually decided that if the
particular information is 100% if you have the component spec sheet, I'm
not describing it here.

I don't even know what "CT CP" is short for, and I don't remember the
spec telling it... It does tell how to use it, though.

> While it makes sense to stick all three into one property, is it
> possible that not all of these may be routed to a GPIO?  If so, how
> do you specify that one (or more) of these does not exist?

The normal way, leave it out. From
Documentation/devicetree/bindings/gpio/gpio.txt:

chipsel-gpios = <&gpio1 12 0>,
                <&gpio1 13 0>,
                <0>, /* holes are permitted, means no GPIO 2 */
                <&gpio2 2>;

> Another issue here is that other HDMI encoders are available - should
> every encoder define its own set of bindings, or should there be a
> base set of bindings which all encoders should conform to - such as
> always having a HDMI output port?

The TPD is not an actual HDMI encoder, it's a level shifter, ESD
protection companion chip for the actual HDMI encoder.

But as for your question... I don't know. I don't know how much common
things there are. An HDMI encoder could have, say, two output ports. And
the encoder could have various number of input ports, so you can't say
either that the second port is always an output port.

If I had to make a guess right now, I'd guess that there are not enough
common things to justify defining common parts for all HDMI encoders.
But I have only dealt with the OMAP HDMI encoders, and a few one's from
Toshiba (DPI to HDMI and DSI to HDMI).

 Tomi



[-- Attachment #1.2: OpenPGP digital signature --]
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Re: [PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

[-- Attachment #1: Type: text/plain, Size: 3329 bytes --]

On 28/02/14 18:13, Russell King - ARM Linux wrote:
> On Fri, Feb 28, 2014 at 02:20:16PM +0200, Tomi Valkeinen wrote:
>> Add DT binding documentation for tpd12s015 encoder
>>
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
>> Reviewed-by: Archit Taneja <archit@ti.com>
>> ---
>>  .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
>>  1 file changed, 44 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>>
>> diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>> new file mode 100644
>> index 000000000000..26e6d32e3f20
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>> @@ -0,0 +1,44 @@
>> +TPD12S015 HDMI level shifter and ESD protection chip
>> +====================================================
>> +
>> +Required properties:
>> +- compatible: "ti,tpd12s015"
>> +
>> +Optional properties:
>> +- gpios: CT CP HPD, LS OE and HPD gpios
> 
> If this is supposed to give people a clue about what these GPIOs are,
> it completely fails to do this.  CT CP?  HPD is obviously the hotplug
> detect signal, but why are there two - HDMI only has a single detect
> pin on the connector.

No, it's not supposed to give a clue. But if you have a TPD chip on your
board, and you use it and write a dts file, you need to know what those
GPIOs are and where they are connected. They're described in the TPD
spec and should be visible on your boards schematics.

I did stop a few times when writing the binding docs, trying to decide
when I should go to details and when not. I usually decided that if the
particular information is 100% if you have the component spec sheet, I'm
not describing it here.

I don't even know what "CT CP" is short for, and I don't remember the
spec telling it... It does tell how to use it, though.

> While it makes sense to stick all three into one property, is it
> possible that not all of these may be routed to a GPIO?  If so, how
> do you specify that one (or more) of these does not exist?

The normal way, leave it out. From
Documentation/devicetree/bindings/gpio/gpio.txt:

chipsel-gpios = <&gpio1 12 0>,
                <&gpio1 13 0>,
                <0>, /* holes are permitted, means no GPIO 2 */
                <&gpio2 2>;

> Another issue here is that other HDMI encoders are available - should
> every encoder define its own set of bindings, or should there be a
> base set of bindings which all encoders should conform to - such as
> always having a HDMI output port?

The TPD is not an actual HDMI encoder, it's a level shifter, ESD
protection companion chip for the actual HDMI encoder.

But as for your question... I don't know. I don't know how much common
things there are. An HDMI encoder could have, say, two output ports. And
the encoder could have various number of input ports, so you can't say
either that the second port is always an output port.

If I had to make a guess right now, I'd guess that there are not enough
common things to justify defining common parts for all HDMI encoders.
But I have only dealt with the OMAP HDMI encoders, and a few one's from
Toshiba (DPI to HDMI and DSI to HDMI).

 Tomi



[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 901 bytes --]

[PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

On 28/02/14 18:13, Russell King - ARM Linux wrote:
> On Fri, Feb 28, 2014 at 02:20:16PM +0200, Tomi Valkeinen wrote:
>> Add DT binding documentation for tpd12s015 encoder
>>
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
>> Reviewed-by: Archit Taneja <archit@ti.com>
>> ---
>>  .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
>>  1 file changed, 44 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>>
>> diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>> new file mode 100644
>> index 000000000000..26e6d32e3f20
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
>> @@ -0,0 +1,44 @@
>> +TPD12S015 HDMI level shifter and ESD protection chip
>> +====================================================
>> +
>> +Required properties:
>> +- compatible: "ti,tpd12s015"
>> +
>> +Optional properties:
>> +- gpios: CT CP HPD, LS OE and HPD gpios
> 
> If this is supposed to give people a clue about what these GPIOs are,
> it completely fails to do this.  CT CP?  HPD is obviously the hotplug
> detect signal, but why are there two - HDMI only has a single detect
> pin on the connector.

No, it's not supposed to give a clue. But if you have a TPD chip on your
board, and you use it and write a dts file, you need to know what those
GPIOs are and where they are connected. They're described in the TPD
spec and should be visible on your boards schematics.

I did stop a few times when writing the binding docs, trying to decide
when I should go to details and when not. I usually decided that if the
particular information is 100% if you have the component spec sheet, I'm
not describing it here.

I don't even know what "CT CP" is short for, and I don't remember the
spec telling it... It does tell how to use it, though.

> While it makes sense to stick all three into one property, is it
> possible that not all of these may be routed to a GPIO?  If so, how
> do you specify that one (or more) of these does not exist?

The normal way, leave it out. From
Documentation/devicetree/bindings/gpio/gpio.txt:

chipsel-gpios = <&gpio1 12 0>,
                <&gpio1 13 0>,
                <0>, /* holes are permitted, means no GPIO 2 */
                <&gpio2 2>;

> Another issue here is that other HDMI encoders are available - should
> every encoder define its own set of bindings, or should there be a
> base set of bindings which all encoders should conform to - such as
> always having a HDMI output port?

The TPD is not an actual HDMI encoder, it's a level shifter, ESD
protection companion chip for the actual HDMI encoder.

But as for your question... I don't know. I don't know how much common
things there are. An HDMI encoder could have, say, two output ports. And
the encoder could have various number of input ports, so you can't say
either that the second port is always an output port.

If I had to make a guess right now, I'd guess that there are not enough
common things to justify defining common parts for all HDMI encoders.
But I have only dealt with the OMAP HDMI encoders, and a few one's from
Toshiba (DPI to HDMI and DSI to HDMI).

 Tomi


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Re: [PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Russell King - ARM Linux]

On Fri, Feb 28, 2014 at 02:20:16PM +0200, Tomi Valkeinen wrote:
> Add DT binding documentation for tpd12s015 encoder
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
> Reviewed-by: Archit Taneja <archit-l0cyMroinI0@public.gmane.org>
> ---
>  .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> 
> diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> new file mode 100644
> index 000000000000..26e6d32e3f20
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> @@ -0,0 +1,44 @@
> +TPD12S015 HDMI level shifter and ESD protection chip
> +====================================================
> +
> +Required properties:
> +- compatible: "ti,tpd12s015"
> +
> +Optional properties:
> +- gpios: CT CP HPD, LS OE and HPD gpios

If this is supposed to give people a clue about what these GPIOs are,
it completely fails to do this.  CT CP?  HPD is obviously the hotplug
detect signal, but why are there two - HDMI only has a single detect
pin on the connector.

While it makes sense to stick all three into one property, is it
possible that not all of these may be routed to a GPIO?  If so, how
do you specify that one (or more) of these does not exist?

Another issue here is that other HDMI encoders are available - should
every encoder define its own set of bindings, or should there be a
base set of bindings which all encoders should conform to - such as
always having a HDMI output port?

-- 
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
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More majordomo info at  http://vger.kernel.org/majordomo-info.html

Re: [PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Russell King - ARM Linux]

On Fri, Feb 28, 2014 at 02:20:16PM +0200, Tomi Valkeinen wrote:
> Add DT binding documentation for tpd12s015 encoder
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> Reviewed-by: Archit Taneja <archit@ti.com>
> ---
>  .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> 
> diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> new file mode 100644
> index 000000000000..26e6d32e3f20
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> @@ -0,0 +1,44 @@
> +TPD12S015 HDMI level shifter and ESD protection chip
> +==========================
> +
> +Required properties:
> +- compatible: "ti,tpd12s015"
> +
> +Optional properties:
> +- gpios: CT CP HPD, LS OE and HPD gpios

If this is supposed to give people a clue about what these GPIOs are,
it completely fails to do this.  CT CP?  HPD is obviously the hotplug
detect signal, but why are there two - HDMI only has a single detect
pin on the connector.

While it makes sense to stick all three into one property, is it
possible that not all of these may be routed to a GPIO?  If so, how
do you specify that one (or more) of these does not exist?

Another issue here is that other HDMI encoders are available - should
every encoder define its own set of bindings, or should there be a
base set of bindings which all encoders should conform to - such as
always having a HDMI output port?

-- 
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.

[PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Russell King - ARM Linux]

On Fri, Feb 28, 2014 at 02:20:16PM +0200, Tomi Valkeinen wrote:
> Add DT binding documentation for tpd12s015 encoder
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> Reviewed-by: Archit Taneja <archit@ti.com>
> ---
>  .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> 
> diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> new file mode 100644
> index 000000000000..26e6d32e3f20
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
> @@ -0,0 +1,44 @@
> +TPD12S015 HDMI level shifter and ESD protection chip
> +====================================================
> +
> +Required properties:
> +- compatible: "ti,tpd12s015"
> +
> +Optional properties:
> +- gpios: CT CP HPD, LS OE and HPD gpios

If this is supposed to give people a clue about what these GPIOs are,
it completely fails to do this.  CT CP?  HPD is obviously the hotplug
detect signal, but why are there two - HDMI only has a single detect
pin on the connector.

While it makes sense to stick all three into one property, is it
possible that not all of these may be routed to a GPIO?  If so, how
do you specify that one (or more) of these does not exist?

Another issue here is that other HDMI encoders are available - should
every encoder define its own set of bindings, or should there be a
base set of bindings which all encoders should conform to - such as
always having a HDMI output port?

-- 
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.

[PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

Add DT binding documentation for tpd12s015 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
Reviewed-by: Archit Taneja <archit-l0cyMroinI0@public.gmane.org>
---
 .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt

diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
new file mode 100644
index 000000000000..26e6d32e3f20
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
@@ -0,0 +1,44 @@
+TPD12S015 HDMI level shifter and ESD protection chip
+====================================================
+
+Required properties:
+- compatible: "ti,tpd12s015"
+
+Optional properties:
+- gpios: CT CP HPD, LS OE and HPD gpios
+
+Required nodes:
+- Video port 0 for HDMI input
+- Video port 1 for HDMI output
+
+Example
+-------
+
+tpd12s015: encoder@1 {
+	compatible = "ti,tpd12s015";
+
+	gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,	/* 60, CT CP HPD */
+		<&gpio2 9 GPIO_ACTIVE_HIGH>,	/* 41, LS OE */
+		<&gpio2 31 GPIO_ACTIVE_HIGH>;	/* 63, HPD */
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			tpd12s015_in: endpoint@0 {
+				remote-endpoint = <&hdmi_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			tpd12s015_out: endpoint@0 {
+				remote-endpoint = <&hdmi_connector_in>;
+			};
+		};
+	};
+};
-- 
1.8.3.2

--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
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[PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

Add DT binding documentation for tpd12s015 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
---
 .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt

diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
new file mode 100644
index 000000000000..26e6d32e3f20
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
@@ -0,0 +1,44 @@
+TPD12S015 HDMI level shifter and ESD protection chip
+==========================
+
+Required properties:
+- compatible: "ti,tpd12s015"
+
+Optional properties:
+- gpios: CT CP HPD, LS OE and HPD gpios
+
+Required nodes:
+- Video port 0 for HDMI input
+- Video port 1 for HDMI output
+
+Example
+-------
+
+tpd12s015: encoder@1 {
+	compatible = "ti,tpd12s015";
+
+	gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,	/* 60, CT CP HPD */
+		<&gpio2 9 GPIO_ACTIVE_HIGH>,	/* 41, LS OE */
+		<&gpio2 31 GPIO_ACTIVE_HIGH>;	/* 63, HPD */
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			tpd12s015_in: endpoint@0 {
+				remote-endpoint = <&hdmi_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			tpd12s015_out: endpoint@0 {
+				remote-endpoint = <&hdmi_connector_in>;
+			};
+		};
+	};
+};
-- 
1.8.3.2

[PATCH 9/9] Doc/DT: Add DT binding documentation for tpd12s015 encoder

[Tomi Valkeinen]

Add DT binding documentation for tpd12s015 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
---
 .../devicetree/bindings/video/ti,tpd12s015.txt     | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/ti,tpd12s015.txt

diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
new file mode 100644
index 000000000000..26e6d32e3f20
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
@@ -0,0 +1,44 @@
+TPD12S015 HDMI level shifter and ESD protection chip
+====================================================
+
+Required properties:
+- compatible: "ti,tpd12s015"
+
+Optional properties:
+- gpios: CT CP HPD, LS OE and HPD gpios
+
+Required nodes:
+- Video port 0 for HDMI input
+- Video port 1 for HDMI output
+
+Example
+-------
+
+tpd12s015: encoder at 1 {
+	compatible = "ti,tpd12s015";
+
+	gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,	/* 60, CT CP HPD */
+		<&gpio2 9 GPIO_ACTIVE_HIGH>,	/* 41, LS OE */
+		<&gpio2 31 GPIO_ACTIVE_HIGH>;	/* 63, HPD */
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port at 0 {
+			reg = <0>;
+
+			tpd12s015_in: endpoint at 0 {
+				remote-endpoint = <&hdmi_out>;
+			};
+		};
+
+		port at 1 {
+			reg = <1>;
+
+			tpd12s015_out: endpoint at 0 {
+				remote-endpoint = <&hdmi_connector_in>;
+			};
+		};
+	};
+};
-- 
1.8.3.2