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 c0dad0fd2c693c7c43742956bbd0397f002b01e4..b27aff04dc6d7e86f5e647e146b2ce9a7a82dab2 100644 (file)
--- 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>;