Add bindings documentation for stm32 CEC driver.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
---
.../devicetree/bindings/media/st,stm32-cec.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/st,stm32-cec.txt
diff --git a/Documentation/devicetree/bindings/media/st,stm32-cec.txt b/Documentation/devicetree/bindings/media/st,stm32-cec.txt
new file mode 100644
index 0000000..6be2381
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/st,stm32-cec.txt
@@ -0,0 +1,19 @@
+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";
+};
--
1.9.1
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