[1/2] arm: dts: stm32: add cec for stm32f7 familly

Message ID 1500366141-30706-1-git-send-email-benjamin.gaignard@linaro.org
State Superseded
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Series
  • [1/2] arm: dts: stm32: add cec for stm32f7 familly
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Commit Message

Benjamin Gaignard July 18, 2017, 8:22 a.m.
add cec in devicetree for stm32f7 familly

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>

---
 arch/arm/boot/dts/stm32f746.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

-- 
1.9.1

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Comments

Alexandre Torgue July 26, 2017, 4:23 p.m. | #1
Hi Benjamin,

On 07/18/2017 10:22 AM, Benjamin Gaignard wrote:
> enable cec for stm32f769 discovery board

> 

> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>

> ---

>   arch/arm/boot/dts/stm32f769-disco.dts | 6 ++++++

>   1 file changed, 6 insertions(+)

> 

> diff --git a/arch/arm/boot/dts/stm32f769-disco.dts b/arch/arm/boot/dts/stm32f769-disco.dts

> index 166728a..14e54da 100644

> --- a/arch/arm/boot/dts/stm32f769-disco.dts

> +++ b/arch/arm/boot/dts/stm32f769-disco.dts

> @@ -72,3 +72,9 @@

>   	pinctrl-names = "default";

>   	status = "okay";

>   };

> +

> +&cec {

> +	pinctrl-0 = <&cec_pins_a>;

> +	pinctrl-names = "default";

> +	status = "okay";

> +};

> 

After minor changes, applied on stm32-dt-for-v4.14 branch.

Thanks
Alex
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Patch

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 0c3dd1f..770e474 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -167,6 +167,15 @@ 
 			status = "disabled";
 		};
 
+		cec: cec@40006c00 {
+			compatible = "st,stm32-cec";
+			reg = <0x40006C00 0x400>;
+			interrupts = <94>;
+			clocks = <&rcc 0 STM32F7_APB1_CLOCK(CEC)>, <&rcc 1 CLK_HDMI_CEC>;
+			clock-names = "cec", "hdmi-cec";
+			status = "disabled";
+		};
+
 		usart7: serial@40007800 {
 			compatible = "st,stm32f7-usart", "st,stm32f7-uart";
 			reg = <0x40007800 0x400>;
@@ -339,6 +348,15 @@ 
 				st,bank-name = "GPIOK";
 			};
 
+			cec_pins_a: cec@0 {
+				pins {
+					pinmux = <STM32F746_PA15_FUNC_HDMI_CEC>;
+					slew-rate = <3>;
+					drive-open-drain;
+					bias-disable;
+				};
+			};
+
 			usart1_pins_a: usart1@0 {
 				pins1 {
 					pinmux = <STM32F746_PA9_FUNC_USART1_TX>;