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Message-ID: <0a1e1e27-f704-4875-7789-0995525235f8@linaro.org>
Date: Wed, 8 Feb 2023 09:25:24 +0100
From: Konrad Dybcio <konrad.dybcio@...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>,
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 v4 4/4] arm64: dts: qcom: thinkpad-x13s: Add bluetooth
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@...i.org>
> ---
>
> 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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