linux-kernel - [PATCH 2/9] dt-bindings: media: Document Synopsys DesignWare HDMI RX

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Date:   Wed,  2 Jun 2021 13:24:20 +0200
From:   Nelson Costa <Nelson.Costa@...opsys.com>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Nelson Costa <Nelson.Costa@...opsys.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>
Subject: [PATCH 2/9] dt-bindings: media: Document Synopsys DesignWare HDMI RX

Document the device tree bindings for the Synopsys DesignWare HDMI RX
Controller.

Signed-off-by: Jose Abreu <jose.abreu@...opsys.com>
Signed-off-by: Nelson Costa <nelson.costa@...opsys.com>
---
 .../devicetree/bindings/media/snps,dw-hdmi-rx.yaml | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml

diff --git a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml
new file mode 100644
index 0000000..4f2169e
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/snps,dw-hdmi-rx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare HDMI RX Controller Device Tree Bindings
+
+maintainers:
+  - Jose Abreu <jose.abreu@...opsys.com>
+  - Nelson Costa <nelson.costa@...opsys.com>
+
+description: |
+  The Synopsys DesignWare HDMI RX Controller and PHYs e405/e406 is an HDMI 2.0
+  Receiver solution that is able to decode video and audio.
+
+properties:
+  compatible:
+    const: snps,dw-hdmi-rx
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description: |
+      phandle to the configuration clock
+
+  clock-names:
+    const: cfg
+
+  phys:
+    maxItems: 1
+    description: |
+      phandle for the HDMI RX PHY
+
+  phy-names:
+    const: hdmi-phy
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description: |
+      Input port node, multiple endpoints describing the HDMI RX data connected
+      to the HDMI PHY receiver.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - phys
+  - phy-names
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    hdmi_rx: hdmi-rx@0 {
+        compatible = "snps,dw-hdmi-rx";
+        reg = <0x0 0x10000>;
+        interrupts = <1 2>;
+
+        clocks = <&dw_hdmi_refclk>;
+        clock-names = "cfg";
+
+        phys = <&hdmi_e406_phy>;
+        phy-names = "hdmi-phy";
+
+        port {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            hdmi_rx_0: endpoint@0 {
+                reg = <0>;
+                remote-endpoint = <&hdmi_e406_phy_0>;
+            };
+
+            hdmi_rx_1: endpoint@1 {
+                reg = <1>;
+                remote-endpoint = <&hdmi_e406_phy_1>;
+            };
+
+            hdmi_rx_2: endpoint@2 {
+                reg = <2>;
+                remote-endpoint = <&hdmi_e406_phy_2>;
+            };
+
+            hdmi_rx_3: endpoint@3 {
+                reg = <3>;
+                remote-endpoint = <&hdmi_e406_phy_3>;
+            };
+        };
+    };
-- 
2.7.4