Re: [PATCH v4 4/4] arm64: dts: qcom: thinkpad-x13s: Add bluetooth

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On 7.02.2023 06:28, Steev Klimaszewski wrote:
> The Lenovo Thinkpad X13s has a WCN6855 Bluetooth controller on uart2,
> add this.
> 
> Signed-off-by: Steev Klimaszewski <steev@xxxxxxxx>
> ---
> 
> Changes since v3:
>  * Add vreg_s1c
>  * Add regulators and not dead code
>  * Fix commit message changelog
> 
> Changes since v2:
>  * Remove dead code and add TODO comment
>  * Make dtbs_check happy with the pin definitions
> ---
>  .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 76 +++++++++++++++++++
>  1 file changed, 76 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> index f936b020a71d..8e3c6524e7c6 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> @@ -24,6 +24,8 @@ / {
>  	aliases {
>  		i2c4 = &i2c4;
>  		i2c21 = &i2c21;
> +		serial0 = &uart17;
> +		serial1 = &uart2;
>  	};
>  
>  	wcd938x: audio-codec {
> @@ -297,6 +299,14 @@ pmc8280c-rpmh-regulators {
>  		qcom,pmic-id = "c";
>  		vdd-bob-supply = <&vreg_vph_pwr>;
>  
> +		vreg_s1c: smps1 {
> +			regulator-name = "vreg_s1c";
> +			regulator-min-microvolt = <1880000>;
> +			regulator-max-microvolt = <1900000>;
> +			regulator-allowed-modes = <RPMH_REGULATOR_MODE_AUTO>;
Wouldn't you be interested in MODE_RET too?


> +			regulator-allow-set-load;
> +		};
> +
>  		vreg_l1c: ldo1 {
>  			regulator-name = "vreg_l1c";
>  			regulator-min-microvolt = <1800000>;
> @@ -712,6 +722,32 @@ &qup0 {
>  	status = "okay";
>  };
>  
> +&uart2 {
> +	status = "okay";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart2_state>;
pinctrl-0
pinctrl-names
status

> +
> +	bluetooth {
> +		compatible = "qcom,wcn6855-bt";
> +
> +		vddio-supply = <&vreg_s10b>;
> +		vddbtcxmx-supply = <&vreg_s12b>;
> +		vddrfacmn-supply = <&vreg_s12b>;
> +		vddrfa0p8-supply = <&vreg_s12b>;
> +		vddrfa1p2-supply = <&vreg_s11b>;
> +		vddrfa1p7-supply = <&vreg_s1c>;
> +
> +		max-speed = <3200000>;
> +
> +		enable-gpios = <&tlmm 133 GPIO_ACTIVE_HIGH>;
> +		swctrl-gpios = <&tlmm 132 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&bt_en>;
pinctrl-0
pinctrl-names

> +	};
> +};
> +
>  &qup1 {
>  	status = "okay";
>  };
> @@ -720,6 +756,12 @@ &qup2 {
>  	status = "okay";
>  };
>  
> +&uart17 {
> +	compatible = "qcom,geni-debug-uart";
> +
Not sure if this newline is necessary.


Konrad
> +	status = "okay";
> +};
> +
>  &remoteproc_adsp {
>  	firmware-name = "qcom/sc8280xp/LENOVO/21BX/qcadsp8280.mbn";
>  
> @@ -980,6 +1022,19 @@ hastings_reg_en: hastings-reg-en-state {
>  &tlmm {
>  	gpio-reserved-ranges = <70 2>, <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
>  
> +	bt_en: bt-en-state {
> +		hstp-sw-ctrl-pins {
> +			pins = "gpio132";
> +			function = "gpio";
> +		};
> +
> +		hstp-bt-en-pins {
> +			pins = "gpio133";
> +			function = "gpio";
> +			drive-strength = <16>;
> +		};
> +	};
> +
>  	edp_reg_en: edp-reg-en-state {
>  		pins = "gpio25";
>  		function = "gpio";
> @@ -1001,6 +1056,27 @@ i2c4_default: i2c4-default-state {
>  		bias-disable;
>  	};
>  
> +	uart2_state: uart2-state {
> +		cts-pins {
> +			pins = "gpio122";
> +			function = "qup2";
> +			bias-disable;
> +		};
> +
> +		rts-tx-pins {
> +			pins = "gpio122", "gpio123";
> +			function = "qup2";
> +			drive-strength = <2>;
> +			bias-disable;
> +		};
> +
> +		rx-pins {
> +			pins = "gpio124";
> +			function = "qup2";
> +			bias-pull-up;
> +		};
> +	};
> +
>  	i2c21_default: i2c21-default-state {
>  		pins = "gpio81", "gpio82";
>  		function = "qup21";



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