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

[Benjamin Gaignard]

add cec in devicetree for stm32f7 familly

version 1.1:
- with correct slew rate

Signed-off-by: Benjamin Gaignard <benjamin.gaignard at linaro.org>
---
 arch/arm/boot/dts/stm32f746.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

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 at 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 at 40007800 {
 			compatible = "st,stm32f7-usart", "st,stm32f7-uart";
 			reg = <0x40007800 0x400>;
@@ -339,6 +348,15 @@
 				st,bank-name = "GPIOK";
 			};
 
+			cec_pins_a: cec at 0 {
+				pins {
+					pinmux = <STM32F746_PA15_FUNC_HDMI_CEC>;
+					slew-rate = <0>;
+					drive-open-drain;
+					bias-disable;
+				};
+			};
+
 			usart1_pins_a: usart1 at 0 {
 				pins1 {
 					pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
-- 
1.9.1