On Tue, Apr 24, 2018 at 05:02:00PM +0200, Christophe Roullier wrote: > This patch describes syscon DT bindings. > > Signed-off-by: Christophe Roullier <christophe.roull...@st.com> > --- > Documentation/devicetree/bindings/arm/stm32.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/stm32.txt > b/Documentation/devicetree/bindings/arm/stm32.txt > index 6808ed9..a871a78 100644 > --- a/Documentation/devicetree/bindings/arm/stm32.txt > +++ b/Documentation/devicetree/bindings/arm/stm32.txt > @@ -8,3 +8,10 @@ using one of the following compatible strings: > st,stm32f746 > st,stm32h743 > st,stm32mp157 > + > +Required nodes: > + > +- syscon: some subnode of the STM32 SoC node must be a > + system controller node pointing to the control registers, > + with the compatible string set to one of these tuples: > + "st,stm32-syscfg", "syscon"
This should be a separate file. I'd guess the syscfg registers differ from SoC to SoC, so you need more specific compatible strings. Rob