On Tue 2019-09-03 10:03:40, Anson Huang wrote: > NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as > system controller, the system controller is in charge of system > power, clock and power key event etc. management, Linux kernel > has to communicate with system controller via MU (message unit) > IPC to get power key event, add binding doc for i.MX system > controller power key driver. > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> > --- > Changes since V1: > - remove "wakeup-source" property, as it is NOT needed for SCU interrupt; > - remove "status" in example. > --- > .../devicetree/bindings/arm/freescale/fsl,scu.txt | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt > index c149fad..f93e2e4 100644 > --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt > +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt > @@ -157,6 +157,15 @@ Required properties: > Optional properties: > - timeout-sec: contains the watchdog timeout in seconds. > > +Power key bindings based on SCU Message Protocol > +------------------------------------------------------------ > + > +Required properties: > +- compatible: should be: > + "fsl,imx8qxp-sc-pwrkey" > + followed by "fsl,imx-sc-pwrkey"; > +- linux,keycodes: See Documentation/devicetree/bindings/input/keys.txt Note you have keycode_s_ here, but keycode in the example and in the dts patch. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
