[PATCH] ARM: dts: stm32: Add DAC support to stm32mp157c

Fabrice Gasnier fabrice.gasnier at st.com
Wed Apr 18 08:46:31 PDT 2018


Add support for DAC (Digital to Analog Converter) to STM32MP157C.
STM32MP157C DAC has two output channels.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier at st.com>
---
 arch/arm/boot/dts/stm32mp157c.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index bc3eddc..fd44b4d 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -136,6 +136,30 @@
 			status = "disabled";
 		};
 
+		dac: dac at 40017000 {
+			compatible = "st,stm32h7-dac-core";
+			reg = <0x40017000 0x400>;
+			clocks = <&rcc DAC12>;
+			clock-names = "pclk";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			dac1: dac at 1 {
+				compatible = "st,stm32-dac";
+				#io-channels-cells = <1>;
+				reg = <1>;
+				status = "disabled";
+			};
+
+			dac2: dac at 2 {
+				compatible = "st,stm32-dac";
+				#io-channels-cells = <1>;
+				reg = <2>;
+				status = "disabled";
+			};
+		};
+
 		uart7: serial at 40018000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x40018000 0x400>;
-- 
1.9.1




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