linux-kernel - Re: [PATCH v3 3/3] arm64: dts: qcom: msm8916-acer-a1-724: Add accelerometer/magnetometer

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Message-ID: <6e0ee9a9-7d6c-6fda-270e-183d63667375@linaro.org>
Date:   Mon, 21 Nov 2022 12:13:42 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Nikita Travkin <nikita@...n.ru>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v3 3/3] arm64: dts: qcom: msm8916-acer-a1-724: Add
 accelerometer/magnetometer



On 21.11.2022 01:47, Lin, Meng-Bo wrote:
> Iconia Talk S uses a Bosch BMC150 accelerometer/magnetometer combo.
> The chip provides two separate I2C devices for the accelerometer
> and magnetometer that are already supported by the bmc150-accel
> and bmc150-magn driver.
> 
> Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  .../boot/dts/qcom/msm8916-acer-a1-724.dts     | 38 +++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
> index 67187673364c..a87de8af9f15 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
> @@ -6,6 +6,7 @@
>  
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>  
>  /*
>   * NOTE: The original firmware from Acer can only boot 32-bit kernels.
> @@ -51,6 +52,35 @@ usb_id: usb-id {
>  	};
>  };
>  
> +&blsp_i2c2 {
> +	status = "okay";
> +
> +	accelerometer@10 {
> +		compatible = "bosch,bmc150_accel";
> +		reg = <0x10>;
> +		interrupt-parent = <&msmgpio>;
> +		interrupts = <115 IRQ_TYPE_EDGE_RISING>;
> +
> +		vdd-supply = <&pm8916_l17>;
> +		vddio-supply = <&pm8916_l6>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&accel_int_default>;
> +
> +		mount-matrix = "0", "-1", "0",
> +			       "-1", "0", "0",
> +			       "0", "0", "1";
> +	};
> +
> +	magnetometer@12 {
> +		compatible = "bosch,bmc150_magn";
> +		reg = <0x12>;
> +
> +		vdd-supply = <&pm8916_l17>;
> +		vddio-supply = <&pm8916_l6>;
> +	};
> +};
> +
>  &blsp1_uart2 {
>  	status = "okay";
>  };
> @@ -199,6 +229,14 @@ l18 {
>  };
>  
>  &msmgpio {
> +	accel_int_default: accel-int-default-state {
> +		pins = "gpio115";
> +		function = "gpio";
> +
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
>  	gpio_keys_default: gpio-keys-default-state {
>  		pins = "gpio107";
>  		function = "gpio";