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 Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx --- .../bindings/display/ingenic-jz4780-hdmi.yaml | 85 +++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.yaml diff --git a/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.yaml b/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.yaml new file mode 100644 index 000000000000..5e60cdac4f63 --- /dev/null +++ b/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/ingenic-jz4780-hdmi.yaml# +$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: panel/panel-common.yaml# + +properties: + compatible: + items: + - const: ingenic,jz4780-dw-hdmi + + reg: + maxItems: 1 + description: the address & size of the LCD controller registers + + reg-io-width: + const: 4 + + interrupts: + maxItems: 1 + description: Specifies the interrupt provided by parent + + clocks: + maxItems: 2 + description: Clock specifiers for isrf and iahb clocks + + clock-names: + items: + - const: isfr + - const: iahb + + hdmi-regulator: true + description: Optional regulator to provide +5V at the connector + ddc-i2c-bus: true + description: An I2C interface if the internal DDC I2C driver is not to be used + ports: true + +required: + - compatible + - clocks + - clock-names + - ports + - reg-io-width + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/jz4780-cgu.h> + + 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_HDMI>, <&cgu JZ4780_CLK_AHB0>; + clock-names = "isfr", "iahb"; + + ports { + hdmi_in: port { + #address-cells = <1>; + #size-cells = <0>; + hdmi_in_lcd: endpoint@0 { + reg = <0>; + remote-endpoint = <&jz4780_out_hdmi>; + }; + }; + }; + }; + +... -- 2.31.1
