netdev - [PATCH v2 5/5] arm64: dts: qcom: sm8550-qrd: add bluetooth support

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Date: Tue, 27 Jun 2023 10:15:58 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: "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>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Balakrishna Godavarthi <bgodavar@...eaurora.org>, 
 Rocky Liao <rjliao@...eaurora.org>, Marcel Holtmann <marcel@...tmann.org>, 
 Johan Hedberg <johan.hedberg@...il.com>, 
 Luiz Augusto von Dentz <luiz.dentz@...il.com>, 
 Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v2 5/5] arm64: dts: qcom: sm8550-qrd: add bluetooth support

Enable the WCN7850 bluetooth over the UART14 link.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 43 +++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
index 8669d29144bb..8f4b07475ca9 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
@@ -22,6 +22,7 @@ / {

 	aliases {
 		serial0 = &uart7;
+		serial1 = &uart14;
 	};

 	wcd938x: audio-codec {
@@ -529,6 +530,10 @@ &qupv3_id_0 {
 	status = "okay";
 };

+&qupv3_id_1 {
+	status = "okay";
+};
+
 &remoteproc_adsp {
 	firmware-name = "qcom/sm8550/adsp.mbn",
 			"qcom/sm8550/adsp_dtb.mbn";
@@ -576,6 +581,21 @@ wcd_tx: codec@0,3 {
 &tlmm {
 	gpio-reserved-ranges = <32 8>;

+	bt_default: bt-default-state {
+		bt-en-pins {
+			pins = "gpio81";
+			function = "gpio";
+			drive-strength = <16>;
+			bias-disable;
+		};
+
+		sw-ctrl-pins {
+			pins = "gpio82";
+			function = "gpio";
+			bias-pull-down;
+		};
+	};
+
 	sde_dsi_active: sde-dsi-active-state {
 		pins = "gpio133";
 		function = "gpio";
@@ -617,6 +637,29 @@ &uart7 {
 	status = "okay";
 };

+&uart14 {
+	status = "okay";
+
+	bluetooth {
+		compatible = "qcom,wcn7850-bt";
+
+		vddio-supply = <&vreg_l15b_1p8>;
+		vddaon-supply = <&vreg_s4e_0p95>;
+		vdddig-supply = <&vreg_s4e_0p95>;
+		vddrfa0p8-supply = <&vreg_s4e_0p95>;
+		vddrfa1p2-supply = <&vreg_s4g_1p25>;
+		vddrfa1p9-supply = <&vreg_s6g_1p86>;
+
+		max-speed = <3200000>;
+
+		enable-gpios = <&tlmm 81 GPIO_ACTIVE_HIGH>;
+		swctrl-gpios = <&tlmm 82 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-0 = <&bt_default>;
+		pinctrl-names = "default";
+	};
+};
+
 &ufs_mem_hc {
 	reset-gpios = <&tlmm 210 GPIO_ACTIVE_LOW>;
 	vcc-supply = <&vreg_l17b_2p5>;

-- 
2.34.1