netdev - [RESEND PATCH v3 4/4] arm64: dts: qcom: thinkpad-x13s: Add bluetooth

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Message-Id: <20230206001634.2566-5-steev@kali.org>
Date:   Sun,  5 Feb 2023 18:16:34 -0600
From:   Steev Klimaszewski <steev@...i.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: [RESEND PATCH v3 4/4] arm64: dts: qcom: thinkpad-x13s: Add bluetooth

---
Changes since v2:
 - Remove dead code and add TODO comment
 - Make dtbs_check happy with the pin definitions

Signed-off-by: Steev Klimaszewski <steev@...i.org>
---
 .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 63 +++++++++++++++++++
 1 file changed, 63 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..d351411d3504 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 +714,27 @@ &qup0 {
 	status = "okay";
 };
 
+&uart2 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_state>;
+
+	bluetooth {
+		compatible = "qcom,wcn6855-bt";
+
+		/* TODO: define regulators */
+
+		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 +743,12 @@ &qup2 {
 	status = "okay";
 };
 
+&uart17 {
+	compatible = "qcom,geni-debug-uart";
+
+	status = "okay";
+};
+
 &remoteproc_adsp {
 	firmware-name = "qcom/sc8280xp/LENOVO/21BX/qcadsp8280.mbn";
 
@@ -980,6 +1009,19 @@ 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 +1043,27 @@ 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";
-- 
2.39.0