[PATCH linux dev-5.8] ARM: dts: aspeed: rainier: Add gpio-keys-polled for fans

Brandon Wyman bjwyman at gmail.com
Wed Nov 25 12:30:12 AEDT 2020


On 2020-11-24 19:16, Matthew Barth wrote:
> Add a gpio-keys-polled section for the fan presence signals from the
> PCA9552 on i2c bus 7.
Reviewed-by: Brandon Wyman <bjwyman at gmail.com>
> Signed-off-by: Matthew Barth <msbarth at linux.ibm.com>
> ---
>   arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 43 ++++++++++++++++++++
>   1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> index 4692c5e8f919..e83355b8e13a 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> @@ -96,6 +96,49 @@ ps3-presence {
>   		};
>   	};
>   
> +	gpio-keys-polled {
> +		compatible = "gpio-keys-polled";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		poll-interval = <1000>;
> +
> +		fan0-presence {
> +			label = "fan0-presence";
> +			gpios = <&pca0 6 GPIO_ACTIVE_LOW>;
> +			linux,code = <6>;
> +		};
> +
> +		fan1-presence {
> +			label = "fan1-presence";
> +			gpios = <&pca0 7 GPIO_ACTIVE_LOW>;
> +			linux,code = <7>;
> +		};
> +
> +		fan2-presence {
> +			label = "fan2-presence";
> +			gpios = <&pca0 8 GPIO_ACTIVE_LOW>;
> +			linux,code = <8>;
> +		};
> +
> +		fan3-presence {
> +			label = "fan3-presence";
> +			gpios = <&pca0 9 GPIO_ACTIVE_LOW>;
> +			linux,code = <9>;
> +		};
> +
> +		fan4-presence {
> +			label = "fan4-presence";
> +			gpios = <&pca0 10 GPIO_ACTIVE_LOW>;
> +			linux,code = <10>;
> +		};
> +
> +		fan5-presence {
> +			label = "fan5-presence";
> +			gpios = <&pca0 11 GPIO_ACTIVE_LOW>;
> +			linux,code = <11>;
> +		};
> +	};
> +
>   	i2c2mux: i2cmux {
>   		compatible = "i2c-mux-gpio";
>   		#address-cells = <1>;


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