Message ID | 20181108090502.14543-2-benjamin.gaignard@st.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Add support of STM32 hwspinlock | expand |
Hi Benjamin On 11/8/18 10:04 AM, Benjamin Gaignard wrote: > Add bindings for STM32 hardware spinlock device > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> > --- > version 2 : > - change clock name from hwspinlock to hsem to be align with hardware > documentation > > .../bindings/hwlock/st,stm32-hwspinlock.txt | 23 ++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt > > diff --git a/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt > new file mode 100644 > index 000000000000..6e933b218574 > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt > @@ -0,0 +1,23 @@ > +STM32 Hardware Spinlock Device Binding > +------------------------------------- > + > +Required properties : > +- compatible : should be "st,stm32-hwspinlock". > +- reg : the register address of hwspinlock. > +- #hwlock-cells : hwlock users only use the hwlock id to represent a specific > + hwlock, so the number of cells should be <1> here. > +- clock-names : Must contain "hwspinlock". "hwspinlock" --> "hsem" ? > +- clocks : Must contain a phandle entry for the clock in clock-names, see the > + common clock bindings. > + > +Please look at the generic hwlock binding for usage information for consumers, > +"Documentation/devicetree/bindings/hwlock/hwlock.txt" > + > +Example of hwlock provider: > + hwspinlock@4c000000 { > + compatible = "st,stm32-hwspinlock"; > + #hwlock-cells = <1>; > + reg = <0x4c000000 0x400>; > + clocks = <&rcc HSEM>; > + clock-names = "hsem"; > + }; >
diff --git a/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt new file mode 100644 index 000000000000..6e933b218574 --- /dev/null +++ b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt @@ -0,0 +1,23 @@ +STM32 Hardware Spinlock Device Binding +------------------------------------- + +Required properties : +- compatible : should be "st,stm32-hwspinlock". +- reg : the register address of hwspinlock. +- #hwlock-cells : hwlock users only use the hwlock id to represent a specific + hwlock, so the number of cells should be <1> here. +- clock-names : Must contain "hwspinlock". +- clocks : Must contain a phandle entry for the clock in clock-names, see the + common clock bindings. + +Please look at the generic hwlock binding for usage information for consumers, +"Documentation/devicetree/bindings/hwlock/hwlock.txt" + +Example of hwlock provider: + hwspinlock@4c000000 { + compatible = "st,stm32-hwspinlock"; + #hwlock-cells = <1>; + reg = <0x4c000000 0x400>; + clocks = <&rcc HSEM>; + clock-names = "hsem"; + };
Add bindings for STM32 hardware spinlock device Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> --- version 2 : - change clock name from hwspinlock to hsem to be align with hardware documentation .../bindings/hwlock/st,stm32-hwspinlock.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt