[v2,1/4] dt-bindings: hwlock: Document STM32 hwspinlock bindings
diff mbox series

Message ID 20181108090502.14543-2-benjamin.gaignard@st.com
State New
Headers show
Series
  • Add support of STM32 hwspinlock
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Commit Message

Benjamin Gaignard Nov. 8, 2018, 9:04 a.m. UTC
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

Comments

Alexandre Torgue Nov. 12, 2018, 8:18 a.m. UTC | #1
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";
> +	};
>

Patch
diff mbox series

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";
+	};