[Linux-stm32] [PATCH 2/3] ARM: dts: stm32: enable l3gd20 on stm32429-disco board

Alexandre Torgue alexandre.torgue at st.com
Mon May 11 07:16:59 UTC 2020


Hi

On 5/9/20 8:58 AM, dillon.minfei at gmail.com wrote:
> From: dillon min <dillon.minfei at gmail.com>
> 
> Enable l3gd20 on stm32429-disco board.

You could add some words about l3gd20

> 
> Signed-off-by: dillon min <dillon.minfei at gmail.com>
> ---
>   arch/arm/boot/dts/stm32f429-disco.dts | 24 ++++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
> index 30c0f67..d365358 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 +129,25 @@
>   	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";

Insert blank line here.

> +	l3gd20: l3gd20 at 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";
> +	};
> +};
> 



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