From: Fabrice Gasnier <fabrice.gasnier@st.com>
Date: Mon, 1 Jul 2019 08:14:25 +0000 (+0200)
Subject: ARM: dts: stm32: add booster for ADC analog switches on stm32mp157c
X-Git-Tag: for-5.4/post-2019-09-24~48^2~36^2~8
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e7c3a5beb31e88acfedb07244b51fbe345bedc25;p=linux-2.6-block.git

ARM: dts: stm32: add booster for ADC analog switches on stm32mp157c

Booster for ADC analog input switches can be used when Vdda is below 2.7V
to get maximum ADC analog performances.
Add booster for ADC analog switches on stm32mp157c.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index c0dad0fd2c69..b27aff04dc6d 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -109,6 +109,12 @@
 		};
 	};
 
+	booster: regulator-booster {
+		compatible = "st,stm32mp1-booster";
+		st,syscfg = <&syscfg>;
+		status = "disabled";
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;