From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
This documents the binding for the Tegra CEC module.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
.../devicetree/bindings/media/tegra-cec.txt | 27 ++++++++++++++++++++++
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+* Tegra HDMI CEC hardware
+
+The HDMI CEC module is present in Tegra SoCs and its purpose is to
+handle communication between HDMI connected devices over the CEC bus.
+
+Required properties:
+ - compatible : value should be one of the following:
+ "nvidia,tegra114-cec"
+ "nvidia,tegra124-cec"
+ "nvidia,tegra210-cec"
+ - reg : Physical base address of the IP registers and length of memory
+ mapped region.
+ - interrupts : HDMI CEC interrupt number to the CPU.
+ - clocks : from common clock binding: handle to HDMI CEC clock.
+ - clock-names : from common clock binding: must contain "cec",
+ corresponding to the entry in the clocks property.
+ - hdmi-phandle : phandle to the HDMI controller, see also cec.txt.
+
+Example:
+
+cec@70015000 {
+ compatible = "nvidia,tegra124-cec";
+ reg = <0x0 0x70015000 0x0 0x00001000>;
+ interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&tegra_car TEGRA124_CLK_CEC>;
+ clock-names = "cec";
+};
--
2.14.1
