[3/5] ARM: dts: stm32: add STMFX pinctrl/gpio expander support on stm32746g-eval

Message ID 1523440025-18077-4-git-send-email-amelie.delaunay@st.com
State New
Headers show
Series
  • Introduce STMFX I2C GPIO expander
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Commit Message

Amelie Delaunay April 11, 2018, 9:47 a.m.
This patch adds support for STMicroelectronics Multi-Function eXpander
pinctrl/gpio expander on stm32746g-eval. It is connected on I2C1.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
---
 arch/arm/boot/dts/stm32746g-eval.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Patch

diff --git a/arch/arm/boot/dts/stm32746g-eval.dts b/arch/arm/boot/dts/stm32746g-eval.dts
index 2d4e717..bd9a33d 100644
--- a/arch/arm/boot/dts/stm32746g-eval.dts
+++ b/arch/arm/boot/dts/stm32746g-eval.dts
@@ -106,6 +106,22 @@ 
 	i2c-scl-rising-time-ns = <185>;
 	i2c-scl-falling-time-ns = <20>;
 	status = "okay";
+
+	stmfxpinctrl: stmfx@42 {
+		compatible = "st,stmfx-0300";
+		reg = <0x42>;
+		interrupt-parent = <&gpioi>;
+		interrupts = <8 1>;
+		status = "okay";
+
+		stmfxgpio: gpio-expander {
+			#gpio-cells = <2>;
+			#interrupt-cells = <2>;
+			gpio-controller;
+			interrupt-controller;
+			status = "okay";
+		};
+	};
 };
 
 &rtc {