[RFC 1/8] dt-bindings: media: Document Synopsys DesignWare HDMI RX

From: Nelson Costa
Date: Wed Apr 28 2021 - 11:25:31 EST


Document the bindings for the Synopsys DesignWare HDMI RX.

Signed-off-by: Jose Abreu <jose.abreu@xxxxxxxxxxxx>
Signed-off-by: Nelson Costa <nelson.costa@xxxxxxxxxxxx>
---
.../devicetree/bindings/media/snps,dw-hdmi-rx.yaml | 149 +++++++++++++++++++++
1 file changed, 149 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..19c7dd4
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml
@@ -0,0 +1,149 @@
+# 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 and PHYs e405/e406 Device Tree Bindings
+
+maintainers:
+ - Jose Abreu <jose.abreu@xxxxxxxxxxxx>
+ - Nelson Costa <nelson.costa@xxxxxxxxxxxx>
+
+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
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ phys:
+ maxItems: 1
+ description: phandle for the HDMI RX PHY
+
+ phy-names:
+ const: hdmi-phy
+
+ hdmi-phy@fc:
+ type: object
+ description: connection point for HDMI PHY
+ additionalProperties: false
+
+ properties:
+ compatible:
+ oneOf:
+ - const: snps,dw-hdmi-phy-e405
+ - const: snps,dw-hdmi-phy-e406
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: phandle to the configuration clock
+
+ clock-names:
+ const: cfg
+
+ "#phy-cells":
+ const: 0
+
+ input-count:
+ description: Number of PHY input ports
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [1, 2, 3, 4]
+
+ required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - "#phy-cells"
+ - input-count
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - "#address-cells"
+ - "#size-cells"
+ - phys
+ - phy-names
+
+additionalProperties: false
+
+examples:
+ - |
+ hdmi_rx0: hdmi-rx@0 {
+ compatible = "snps,dw-hdmi-rx";
+ reg = <0x0 0x10000>;
+ interrupts = <1 2>;
+
+ clocks = <&dw_hdmi_refclk>;
+ clock-names = "cfg";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phys = <&hdmi_e405_phy>;
+ phy-names = "hdmi-phy";
+
+ hdmi_e405_phy: hdmi-phy@fc {
+ compatible = "snps,dw-hdmi-phy-e405";
+ reg = <0xfc>;
+
+ clocks = <&dw_hdmi_refclk>;
+ clock-names = "cfg";
+
+ #phy-cells = <0>;
+ input-count = <4>;
+ };
+ };
+ - |
+ hdmi_rx1: hdmi-rx@1 {
+ compatible = "snps,dw-hdmi-rx";
+ reg = <0x0 0x10000>;
+ interrupts = <1 2>;
+
+ clocks = <&dw_hdmi_refclk>;
+ clock-names = "cfg";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phys = <&hdmi_e406_phy>;
+ phy-names = "hdmi-phy";
+
+ hdmi_e406_phy: hdmi-phy@fc {
+ compatible = "snps,dw-hdmi-phy-e406";
+ reg = <0xfc>;
+
+ clocks = <&dw_hdmi_refclk>;
+ clock-names = "cfg";
+
+ #phy-cells = <0>;
+ input-count = <4>;
+ };
+ };
--
2.7.4