[PATCH v8 3/8] dt-bindings: display: Add ingenic,jz4780-dw-hdmi DT Schema
From: H. Nikolaus Schaller <hidden>
Date: 2021-11-23 18:14:13
Also in:
dri-devel, linux-mips, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Sam Ravnborg <redacted> 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 <redacted> Signed-off-by: H. Nikolaus Schaller <redacted> Cc: Rob Herring <robh@kernel.org> Cc: devicetree@vger.kernel.org --- .../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@goldelico.com> + +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> + + 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 ...
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2.33.0