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Subject[PATCH v2 2/3] ARM: dts: stm32: enable l3gd20 on stm32429-disco board
Date
From: dillon min <dillon.minfei@gmail.com>

L3gd20, st mems motion sensor, 3-axis digital output gyroscope,
connect to stm32f429 via spi5

Signed-off-by: dillon min <dillon.minfei@gmail.com>
---

Hi Alexandre,

V2:
1, insert blank line at stm32f420-disco.dts line 143
2, add more description about l3gd20 in commit message

V1:
enable l3gd20 dts binding on stm32f429-disco

thanks.

dillon,

arch/arm/boot/dts/stm32f429-disco.dts | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
index 30c0f67..1bfb903 100644
--- a/arch/arm/boot/dts/stm32f429-disco.dts
+++ b/arch/arm/boot/dts/stm32f429-disco.dts
@@ -49,6 +49,8 @@
#include "stm32f429.dtsi"
#include "stm32f429-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>

/ {
model = "STMicroelectronics STM32F429i-DISCO board";
@@ -127,3 +129,26 @@
pinctrl-names = "default";
status = "okay";
};
+
+&spi5 {
+ status = "okay";
+ pinctrl-0 = <&spi5_pins>;
+ pinctrl-names = "default";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cs-gpios = <&gpioc 1 GPIO_ACTIVE_LOW>;
+ dmas = <&dma2 3 2 0x400 0x0>,
+ <&dma2 4 2 0x400 0x0>;
+ dma-names = "rx", "tx";
+
+ l3gd20: l3gd20@0 {
+ compatible = "st,l3gd20-gyro";
+ spi-max-frequency = <10000000>;
+ st,drdy-int-pin = <2>;
+ interrupt-parent = <&gpioa>;
+ interrupts = <1 IRQ_TYPE_EDGE_RISING>,
+ <2 IRQ_TYPE_EDGE_RISING>;
+ reg = <0>;
+ status = "okay";
+ };
+};
--
2.7.4
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