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From: Jyri Sarha <jsarha@ti.com>
To: <dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>
Cc: yamonkar@cadence.com, praneeth@ti.com, peter.ujfalusi@ti.com,
	tomi.valkeinen@ti.com, laurent.pinchart@ideasonboard.com,
	sjakhade@cadence.com, sam@ravnborg.org, maxime@cerno.tech
Subject: [PATCH v6 1/5] dt-bindings: display: ti, k2g-dss: Add dt-schema yaml binding
Date: Wed, 15 Jan 2020 13:45:35 +0200
Message-ID: <64d864ad519c9861eb8f9fd35cdcee00c5af4b4b.1579086894.git.jsarha@ti.com> (raw)
In-Reply-To: <cover.1579086894.git.jsarha@ti.com>

Add dt-schema yaml bindig for K2G DSS, an ultra-light version of TI
Keystone Display SubSystem.

Version history:

v2: no change

v3: - Add ports node
    - Add includes to dts example
    - reindent dts example

v4: - Add descriptions to reg and clocks properties
    - Remove minItems when its value is the same as maxItems value
    - Remove ports node

v5: - itemize reg and clocks properties' descriptions

v6: - Add Reviewed-by: from Rob Herring <robh@kernel.org> and
      Benoit Parrot <bparrot@ti.com>

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
---
 .../bindings/display/ti/ti,k2g-dss.yaml       | 109 ++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml

diff --git a/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml
new file mode 100644
index 000000000000..532bb4794968
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml
@@ -0,0 +1,109 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Texas Instruments K2G Display Subsystem
+
+maintainers:
+  - Jyri Sarha <jsarha@ti.com>
+  - Tomi Valkeinen <tomi.valkeinen@ti.com>
+
+description: |
+  The K2G DSS is an ultra-light version of TI Keystone Display
+  SubSystem. It has only one output port and video plane. The
+  output is DPI.
+
+properties:
+  compatible:
+    const: ti,k2g-dss
+
+  reg:
+    items:
+      - description: cfg DSS top level
+      - description: common DISPC common
+      - description: VID1 video plane 1
+      - description: OVR1 overlay manager for vp1
+      - description: VP1 video port 1
+
+  reg-names:
+    items:
+      - const: cfg
+      - const: common
+      - const: vid1
+      - const: ovr1
+      - const: vp1
+
+  clocks:
+    items:
+      - description: fck DSS functional clock
+      - description: vp1 Video Port 1 pixel clock
+
+  clock-names:
+    items:
+      - const: fck
+      - const: vp1
+
+  interrupts:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+    description: phandle to the associated power domain
+
+  port:
+    type: object
+    description:
+      Port as described in Documentation/devictree/bindings/graph.txt.
+      The DSS DPI output port node
+
+  max-memory-bandwidth:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Input memory (from main memory to dispc) bandwidth limit in
+      bytes per second
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - interrupts
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    dss: dss@02540000 {
+            compatible = "ti,k2g-dss";
+            reg =   <0x02540000 0x400>,
+                    <0x02550000 0x1000>,
+                    <0x02557000 0x1000>,
+                    <0x0255a800 0x100>,
+                    <0x0255ac00 0x100>;
+            reg-names = "cfg", "common", "vid1", "ovr1", "vp1";
+            clocks =        <&k2g_clks 0x2 0>,
+                            <&k2g_clks 0x2 1>;
+            clock-names = "fck", "vp1";
+            interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>;
+
+            power-domains = <&k2g_pds 0x2>;
+
+            max-memory-bandwidth = <230000000>;
+            ports {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+                    port@0 {
+                            dpi_out: endpoint {
+                                    remote-endpoint = <&sii9022_in>;
+                            };
+                    };
+            };
+    };
-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-15 11:45 [PATCH v6 0/5] drm/tidss: New driver for TI Keystone platform Display SubSystem Jyri Sarha
2020-01-15 11:45 ` Jyri Sarha [this message]
2020-01-15 11:45 ` [PATCH v6 2/5] dt-bindings: display: ti, am65x-dss: Add dt-schema yaml binding Jyri Sarha
2020-01-15 11:45 ` [PATCH v6 3/5] dt-bindings: display: ti, j721e-dss: " Jyri Sarha
2020-01-15 11:45 ` [PATCH v6 4/5] drm/tidss: New driver for TI Keystone platform Display SubSystem Jyri Sarha
2020-01-15 12:22   ` Sam Ravnborg
2020-01-15 14:27     ` Jyri Sarha
2020-01-15 14:43       ` Sam Ravnborg
2020-01-15 14:58         ` Jyri Sarha
2020-01-15 17:13           ` Sam Ravnborg
2020-01-16 13:16             ` Jyri Sarha
2020-01-15 12:29   ` Sam Ravnborg
2020-01-15 11:45 ` [PATCH v6 5/5] MAINTAINERS: add entry for tidss Jyri Sarha

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