ARM: dts: stm32: add ADC pins used on stm32mp157a-dk1

Define pins that can be used for ADC on stm32mp157a-dk1 board:
- AIN connector has ADC input pins
- USB Type-C CC1 & CC2 pins (e.g. in18, in19)

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/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
index e4a0d51..eeb60d0 100644 (file)
--- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
@@ -137,6 +137,22 @@
                                status = "disabled";
                        };
 
+                       adc12_ain_pins_a: adc12-ain-0 {
+                               pins {
+                                       pinmux = <STM32_PINMUX('C', 3, ANALOG)>, /* ADC1 in13 */
+                                                <STM32_PINMUX('F', 12, ANALOG)>, /* ADC1 in6 */
+                                                <STM32_PINMUX('F', 13, ANALOG)>, /* ADC2 in2 */
+                                                <STM32_PINMUX('F', 14, ANALOG)>; /* ADC2 in6 */
+                               };
+                       };
+
+                       adc12_usb_cc_pins_a: adc12-usb-cc-pins-0 {
+                               pins {
+                                       pinmux = <STM32_PINMUX('A', 4, ANALOG)>, /* ADC12 in18 */
+                                                <STM32_PINMUX('A', 5, ANALOG)>; /* ADC12 in19 */
+                               };
+                       };
+
                        cec_pins_a: cec-0 {
                                pins {
                                        pinmux = <STM32_PINMUX('A', 15, AF4)>;