From: Adrien Grassein <adrien.grassein@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch,
a.hajda@samsung.com, robh+dt@kernel.org, narmstrong@baylibre.com,
Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se,
jernej.skrabec@siol.net, dri-devel@lists.freedesktop.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Adrien Grassein <adrien.grassein@gmail.com>,
Rob Herring <robh@kernel.org>
Subject: [PATCH v7 1/2] dt-bindings: display: bridge: Add documentation for LT8912B
Date: Mon, 8 Mar 2021 13:05:54 +0100 [thread overview]
Message-ID: <20210308120555.252524-2-adrien.grassein@gmail.com> (raw)
In-Reply-To: <20210308120555.252524-1-adrien.grassein@gmail.com>
Lontium LT8912B is a DSI to HDMI bridge.
Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../display/bridge/lontium,lt8912b.yaml | 102 ++++++++++++++++++
MAINTAINERS | 5 +
2 files changed, 107 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
new file mode 100644
index 000000000000..735d0233a7d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Lontium LT8912B MIPI to HDMI Bridge
+
+maintainers:
+ - Adrien Grassein <adrien.grassein@gmail.com>
+
+description: |
+ The LT8912B is a bridge device which convert DSI to HDMI
+
+properties:
+ compatible:
+ enum:
+ - lontium,lt8912b
+
+ reg:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+ description: GPIO connected to active high RESET pin.
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Primary MIPI port for MIPI input
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes: true
+
+ required:
+ - data-lanes
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: |
+ HDMI port, should be connected to a node compatible with the
+ hdmi-connector binding.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - reset-gpios
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ i2c4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hdmi-bridge@48 {
+ compatible = "lontium,lt8912b";
+ reg = <0x48>;
+ reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ hdmi_out_in: endpoint {
+ data-lanes = <0 1 2 3>;
+ remote-endpoint = <&mipi_dsi_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ endpoint {
+ remote-endpoint = <&hdmi_in>;
+ };
+ };
+ };
+ };
+ };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 9095d182deaf..719f633c8a28 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10462,6 +10462,11 @@ S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
F: drivers/hid/hid-lg-g15.c
+LONTIUM LT8912B MIPI TO HDMI BRIDGE
+M: Adrien Grassein <adrien.grassein@gmail.com>
+S: Maintained
+F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
+
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
M: Sathya Prakash <sathya.prakash@broadcom.com>
M: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
--
2.25.1
next prev parent reply other threads:[~2021-03-08 12:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 12:05 [PATCH v7 0/2] Add support of Lontium lt8912 MIPI to HDMI bridge Adrien Grassein
2021-03-08 12:05 ` Adrien Grassein [this message]
2021-03-08 12:05 ` [PATCH v7 2/2] drm/bridge: Introduce LT8912B DSI " Adrien Grassein
2021-03-23 9:10 ` Robert Foss
2021-03-23 10:01 ` Adrien Grassein
2021-03-23 10:42 ` Robert Foss
2021-03-23 11:08 ` Adrien Grassein
2021-03-23 14:07 ` Robert Foss
2021-03-23 14:16 ` Adrien Grassein
2021-03-23 14:39 ` Adrien Grassein
2021-03-23 15:00 ` Robert Foss
2021-03-23 15:27 ` Robert Foss
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