[PATCH 1/2] ARM: dts: stm32: add mcp23017 pinctrl entry for stm32mp13

Amelie Delaunay amelie.delaunay at foss.st.com
Mon Oct 24 02:46:47 PDT 2022


MCP23017 interrupt line (routed on PG12) requires to be pulled-up.

Signed-off-by: Amelie Delaunay <amelie.delaunay at foss.st.com>
---
 arch/arm/boot/dts/stm32mp13-pinctrl.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
index 50daf5509193..9889f9fe99a6 100644
--- a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
@@ -47,6 +47,13 @@ pins {
 		};
 	};
 
+	mcp23017_pins_a: mcp23017-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G', 12, GPIO)>;
+			bias-pull-up;
+		};
+	};
+
 	sdmmc1_b4_pins_a: sdmmc1-b4-0 {
 		pins {
 			pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
-- 
2.25.1




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