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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/media/tegra-cec.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/media/tegra-cec.txt')
-rw-r--r-- | Documentation/devicetree/bindings/media/tegra-cec.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/tegra-cec.txt b/Documentation/devicetree/bindings/media/tegra-cec.txt new file mode 100644 index 000000000..c503f06f3 --- /dev/null +++ b/Documentation/devicetree/bindings/media/tegra-cec.txt @@ -0,0 +1,27 @@ +* 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"; +}; |