netdev - Re: [PATCH v2 4/4] arm64: dts: qcom: thinkpad-x13s: Add bluetooth

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Message-ID: <c515aae3-88e4-948c-a856-7b45dd2caed9@linaro.org>
Date:   Tue, 31 Jan 2023 20:01:39 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Steev Klimaszewski <steev@...i.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Sven Peter <sven@...npeter.dev>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        Mark Pearson <markpearson@...ovo.com>
Subject: Re: [PATCH v2 4/4] arm64: dts: qcom: thinkpad-x13s: Add bluetooth

On 31/01/2023 05:38, Steev Klimaszewski wrote:
> Signed-off-by: Steev Klimaszewski <steev@...i.org>
> ---
>  .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 68 +++++++++++++++++++
>  1 file changed, 68 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..951438ac5946 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 {
> @@ -712,6 +714,32 @@ &qup0 {
>  	status = "okay";
>  };
>  
> +&uart2 {
> +	status = "okay";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart2_state>;
> +
> +	bluetooth {
> +		compatible = "qcom,wcn6855-bt";
> +
> +/*

Why dead code should be in the kernel?

> +		vddio-supply = <&vreg_s4a_1p8>;
> +		vddxo-supply = <&vreg_l7a_1p8>;
> +		vddrf-supply = <&vreg_l17a_1p3>;
> +		vddch0-supply = <&vreg_l25a_3p3>;
> +		vddch1-supply = <&vreg_l23a_3p3>;
> +*/
> +		max-speed = <3200000>;
> +
> +		enable-gpios = <&tlmm 133 GPIO_ACTIVE_HIGH>;
> +		swctrl-gpios = <&tlmm 132 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&bt_en>;
> +	};
> +};
> +
>  &qup1 {
>  	status = "okay";
>  };
> @@ -720,6 +748,12 @@ &qup2 {
>  	status = "okay";
>  };
>  
> +&uart17 {
> +	compatible = "qcom,geni-debug-uart";
> +
> +	status = "okay";
> +};
> +
>  &remoteproc_adsp {
>  	firmware-name = "qcom/sc8280xp/LENOVO/21BX/qcadsp8280.mbn";
>  
> @@ -980,6 +1014,19 @@ 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 {

Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).

> +			pins = "gpio132";
> +			function = "gpio";
> +		};
> +
> +		hstp-bt-en {
> +			pins = "gpio133";
> +			function = "gpio";
> +			drive-strength = <16>;
> +		};
> +	};
> +
>  	edp_reg_en: edp-reg-en-state {
>  		pins = "gpio25";
>  		function = "gpio";
> @@ -1001,6 +1048,27 @@ i2c4_default: i2c4-default-state {
>  		bias-disable;
>  	};
>  
> +	uart2_state: uart2-state {
> +		cts {

Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).


Best regards,
Krzysztof