On Tue, May 16, 2017 at 02:56:22PM +0200, Benjamin Gaignard wrote: Commit message? Preferred subject prefix is "dt-bindings: media: ..." > 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" All stm32 chips have same CEC block? > + - 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 >