Re: [PATCH v8 3/8] dt-bindings: display: Add ingenic,jz4780-dw-hdmi DT Schema

From: H. Nikolaus Schaller
Date: Wed Nov 24 2021 - 11:21:26 EST


Hi Rob and Paul,

> Am 24.11.2021 um 10:17 schrieb Paul Cercueil <paul@xxxxxxxxxxxxxxx>:
>
> Hi Nikolaus,
>
> Le mar., nov. 23 2021 at 19:13:56 +0100, H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> a écrit :
>> From: Sam Ravnborg <sam@xxxxxxxxxxxx>
>> Add DT bindings for the hdmi driver for the Ingenic JZ4780 SoC.
>> Based on .txt binding from Zubair Lutfullah Kakakhel
>> We also add generic ddc-i2c-bus to synopsys,dw-hdmi.yaml
>> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
>> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
>> Cc: Rob Herring <robh@xxxxxxxxxx>
>> Cc: devicetree@xxxxxxxxxxxxxxx
>> ---
>> .../display/bridge/ingenic,jz4780-hdmi.yaml | 76 +++++++++++++++++++
>> .../display/bridge/synopsys,dw-hdmi.yaml | 3 +
>> 2 files changed, 79 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/display/bridge/ingenic,jz4780-hdmi.yaml
>> diff --git a/Documentation/devicetree/bindings/display/bridge/ingenic,jz4780-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/ingenic,jz4780-hdmi.yaml
>> new file mode 100644
>> index 0000000000000..190ca4521b1d0
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/bridge/ingenic,jz4780-hdmi.yaml
>> @@ -0,0 +1,76 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/bridge/ingenic,jz4780-hdmi.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Bindings for Ingenic JZ4780 HDMI Transmitter
>> +
>> +maintainers:
>> + - H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
>> +
>> +description: |
>> + The HDMI Transmitter in the Ingenic JZ4780 is a Synopsys DesignWare HDMI 1.4
>> + TX controller IP with accompanying PHY IP.
>> +
>> +allOf:
>> + - $ref: bridge/synopsys,dw-hdmi.yaml#
>> +
>> +properties:
>> + compatible:
>> + const: ingenic,jz4780-dw-hdmi
>> +
>> + reg-io-width:
>> + const: 4
>> +
>> + clocks:
>> + maxItems: 2
>> +
>> + hdmi-5v-supply:
>> + description: Optional regulator to provide +5V at the connector
>> +
>> + ports:
>> + $ref: /schemas/graph.yaml#/properties/ports
>> +
>> +required:
>> + - compatible
>> + - clocks
>> + - clock-names
>> + - ports
>> + - reg-io-width
>> +
>> +unevaluatedPropertes: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/clock/jz4780-cgu.h>
>
> This include was moved in 5.16-rc1 to <dt-bindings/clock/ingenic,jz4780-cgu.h>.

I see!

>
> Cheers,
> -Paul
>
>> +
>> + hdmi: hdmi@10180000 {
>> + compatible = "ingenic,jz4780-dw-hdmi";
>> + reg = <0x10180000 0x8000>;
>> + reg-io-width = <4>;
>> + ddc-i2c-bus = <&i2c4>;
>> + interrupt-parent = <&intc>;
>> + interrupts = <3>;
>> + clocks = <&cgu JZ4780_CLK_AHB0>, <&cgu JZ4780_CLK_HDMI>;
>> + clock-names = "iahb", "isfr";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + hdmi_in: port@0 {
>> + reg = <0>;
>> + dw_hdmi_in: endpoint {
>> + remote-endpoint = <&jz4780_lcd_out>;
>> + };
>> + };
>> + hdmi_out: port@1 {
>> + reg = <1>;
>> + dw_hdmi_out: endpoint {
>> + remote-endpoint = <&hdmi_con>;
>> + };
>> + };
>> + };
>> + };
>> +
>> +...
>> diff --git a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
>> index 9be44a682e67a..9cbeabaee0968 100644
>> --- a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
>> +++ b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
>> @@ -50,6 +50,9 @@ properties:
>> interrupts:
>> maxItems: 1
>> + ddc-i2c-bus:
>> + description: An I2C interface if the internal DDC I2C driver is not to be used
>> +
>> additionalProperties: true
>> ...
>> --
>> 2.33.0
>
>