linux-kernel - [PATCH 4/4] ARM: dts: stm32: Add DAC support on stm32f429

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Date:   Mon, 10 Jul 2017 15:24:00 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <jic23@...nel.org>, <robh+dt@...nel.org>
CC:     <linux@...linux.org.uk>, <mark.rutland@....com>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>,
        <lars@...afoo.de>, <knaack.h@....de>, <pmeerw@...erw.net>,
        <fabrice.gasnier@...com>, <benjamin.gaignard@...aro.org>,
        <benjamin.gaignard@...com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/4] ARM: dts: stm32: Add DAC support on stm32f429

Add support for DAC (Digital to Analog Converter) to STM32F429.
STM32F429 DAC has two output channels.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
---
 arch/arm/boot/dts/stm32f429.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index b2a2b5c..f15f633 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -354,6 +354,31 @@
 			status = "disabled";
 		};
 
+		dac: dac@...07400 {
+			compatible = "st,stm32f4-dac-core";
+			reg = <0x40007400 0x400>;
+			resets = <&rcc STM32F4_APB1_RESET(DAC)>;
+			clocks = <&rcc 0 STM32F4_APB1_CLOCK(DAC)>;
+			clock-names = "pclk";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			dac1: dac@1 {
+				compatible = "st,stm32-dac";
+				#io-channels-cells = <1>;
+				reg = <1>;
+				status = "disabled";
+			};
+
+			dac2: dac@2 {
+				compatible = "st,stm32-dac";
+				#io-channels-cells = <1>;
+				reg = <2>;
+				status = "disabled";
+			};
+		};
+
 		usart7: serial@...07800 {
 			compatible = "st,stm32-usart", "st,stm32-uart";
 			reg = <0x40007800 0x400>;
-- 
1.9.1