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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


  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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