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[07/11] dt-bindings: Add DMA bindings for STM32 USART

Message ID 1473957763-30629-8-git-send-email-alexandre.torgue@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alexandre TORGUE Sept. 15, 2016, 4:42 p.m. UTC
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

Comments

Rob Herring (Arm) Sept. 23, 2016, 3:30 p.m. UTC | #1
On Thu, Sep 15, 2016 at 06:42:39PM +0200, Alexandre TORGUE wrote:
> Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

Squash this with the other binding patch. You are describing the h/w 
block, do so completely. 

> 
> diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
> index 75b1400..85ec5f2 100644
> --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
> +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
> @@ -12,6 +12,8 @@ stm32(f4) or stm32f7.
>  Optional properties:
>  - pinctrl: The reference on the pins configuration
>  - st,hw-flow-ctrl: bool flag to enable hardware flow control.
> +- dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
> +- dma-names: "rx" and/or "tx"
>  
>  Examples:
>  usart4: serial@40004c00 {
> @@ -32,3 +34,13 @@ usart2: serial@40004400 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>;
>  };
> +
> +usart1: serial@40011000 {
> +	compatible = "st,stm32-usart", "st,stm32-uart";
> +	reg = <0x40011000 0x400>;
> +	interrupts = <37>;
> +	clocks = <&rcc 0 164>;
> +	dmas = <&dma2 2 4 0x414 0x0>,
> +	       <&dma2 7 4 0x414 0x0>;
> +	dma-names = "rx", "tx";
> +};
> -- 
> 1.9.1
>
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
index 75b1400..85ec5f2 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -12,6 +12,8 @@  stm32(f4) or stm32f7.
 Optional properties:
 - pinctrl: The reference on the pins configuration
 - st,hw-flow-ctrl: bool flag to enable hardware flow control.
+- dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
+- dma-names: "rx" and/or "tx"
 
 Examples:
 usart4: serial@40004c00 {
@@ -32,3 +34,13 @@  usart2: serial@40004400 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>;
 };
+
+usart1: serial@40011000 {
+	compatible = "st,stm32-usart", "st,stm32-uart";
+	reg = <0x40011000 0x400>;
+	interrupts = <37>;
+	clocks = <&rcc 0 164>;
+	dmas = <&dma2 2 4 0x414 0x0>,
+	       <&dma2 7 4 0x414 0x0>;
+	dma-names = "rx", "tx";
+};