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[media] dt-bindings: media: stm32 cec driver

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Add bindings documentation for stm32 CEC driver.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Benjamin Gaignard 2017-05-31 09:13:55 -03:00 committed by Mauro Carvalho Chehab
parent 47f910f0e0
commit 1abbc60d50
1 changed files with 19 additions and 0 deletions
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Documentation/devicetree/bindings/media/st,stm32-cec.txt Normal file
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STMicroelectronics STM32 CEC driver
Required properties:
- compatible : value should be "st,stm32-cec"
- reg : Physical base address of the IP registers and length of memory
mapped region.
- clocks : from common clock binding: handle to CEC clocks
- clock-names : from common clock binding: must be "cec" and "hdmi-cec".
- interrupts : CEC interrupt number to the CPU.
Example for stm32f746:
cec: cec@40006c00 {
compatible = "st,stm32-cec";
reg = <0x40006C00 0x400>;
interrupts = <94>;
clocks = <&rcc 0 STM32F7_APB1_CLOCK(CEC)>, <&rcc 1 CLK_HDMI_CEC>;
clock-names = "cec", "hdmi-cec";
};