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

[Amelie Delaunay]

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.delau...@st.com>
---
 arch/arm/boot/dts/stm32746g-eval.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

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 {
-- 
2.7.4