From 4951d99551661eef9a74e35e39c0424e3d2494a5 Mon Sep 17 00:00:00 2001 From: Fabrice Gasnier Date: Wed, 9 Oct 2019 16:12:52 +0200 Subject: [PATCH] ARM: dts: stm32: Add DAC support to stm32mp157c-ed1 stm32mp157c-ed1 board has digital-to-analog converter signals routed to JP11 and JP10 jumpers (e.g. PA4/PA5). It's easier then to configure them both. But keep them disabled by default, so the pins are kept in their initial state to lower power consumption. This way they can also be used as GPIO. Signed-off-by: Fabrice Gasnier Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp157c-ed1.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts index 329853d9b1de..3d29b0c553e5 100644 --- a/arch/arm/boot/dts/stm32mp157c-ed1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts @@ -105,6 +105,19 @@ sd_switch: regulator-sd_switch { }; }; +&dac { + pinctrl-names = "default"; + pinctrl-0 = <&dac_ch1_pins_a &dac_ch2_pins_a>; + vref-supply = <&vdda>; + status = "disabled"; + dac1: dac@1 { + status = "okay"; + }; + dac2: dac@2 { + status = "okay"; + }; +}; + &dts { status = "okay"; };