This patch adds support for STMicroelectronics Multi-Function eXpander
(STMFX) on stm32746g-eval. It is connected on i2c1.
Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
---
arch/arm/boot/dts/stm32746g-eval.dts | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm/boot/dts/stm32746g-eval.dts b/arch/arm/boot/dts/stm32746g-eval.dts
index 8c081ea..203faf0 100644
--- a/arch/arm/boot/dts/stm32746g-eval.dts
+++ b/arch/arm/boot/dts/stm32746g-eval.dts
@@ -44,6 +44,7 @@
#include "stm32f746.dtsi"
#include "stm32f746-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "STMicroelectronics STM32746g-EVAL board";
@@ -114,6 +115,22 @@
i2c-scl-rising-time-ns = <185>;
i2c-scl-falling-time-ns = <20>;
status = "okay";
+
+ stmfx: stmfx@42 {
+ compatible = "st,stmfx-0300";
+ reg = <0x42>;
+ interrupts = <8 IRQ_TYPE_EDGE_RISING>;
+ interrupt-parent = <&gpioi>;
+
+ stmfx_pinctrl: stmfx-pin-controller {
+ compatible = "st,stmfx-0300-pinctrl";
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-ranges = <&stmfx_pinctrl 0 0 24>;
+ };
+ };
};
&rtc {
--
2.7.4
