linux-kernel - [PATCH v6 4/6] arm64: dts: qcom: sc8280xp-crd: enable bluetooth

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Message-Id: <20241018-sc8280xp-pwrseq-v6-4-8da8310d9564@linaro.org>
Date: Fri, 18 Oct 2024 14:49:14 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bartosz Golaszewski <brgl@...ev.pl>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Johan Hovold <johan+linaro@...nel.org>, Kalle Valo <kvalo@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
 Abel Vesa <abel.vesa@...aro.org>, Manivannan Sadhasivam <mani@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-pm@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v6 4/6] arm64: dts: qcom: sc8280xp-crd: enable bluetooth

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Add the bluetooth node for sc8280xp-crd and make it consume the outputs
from the PMU as per the new DT bindings contract.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 59 ++++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index a02d8029ac2d..75adaa19d1c3 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -20,6 +20,7 @@ aliases {
 		i2c4 = &i2c4;
 		i2c21 = &i2c21;
 		serial0 = &uart17;
+		serial1 = &uart2;
 	};
 
 	backlight: backlight {
@@ -264,10 +265,11 @@ usb1_sbu_mux: endpoint {
 	wcn6855-pmu {
 		compatible = "qcom,wcn6855-pmu";
 
-		pinctrl-0 = <&wlan_en>;
+		pinctrl-0 = <&bt_en>, <&wlan_en>;
 		pinctrl-names = "default";
 
 		wlan-enable-gpios = <&tlmm 134 GPIO_ACTIVE_HIGH>;
+		bt-enable-gpios = <&tlmm 133 GPIO_ACTIVE_HIGH>;
 		swctrl-gpios = <&tlmm 132 GPIO_ACTIVE_HIGH>;
 
 		vddio-supply = <&vreg_s10b>;
@@ -748,6 +750,26 @@ &sdc2 {
 	status = "okay";
 };
 
+&uart2 {
+	pinctrl-0 = <&uart2_default>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	bluetooth {
+		compatible = "qcom,wcn6855-bt";
+
+		vddrfacmn-supply = <&vreg_pmu_rfa_cmn_0p8>;
+		vddaon-supply = <&vreg_pmu_aon_0p8>;
+		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+		vddwlmx-supply = <&vreg_pmu_wlmx_0p8>;
+		vddbtcmx-supply = <&vreg_pmu_btcmx_0p8>;
+		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+		vddrfa1p8-supply = <&vreg_pmu_rfa_1p7>;
+	};
+};
+
 &uart17 {
 	compatible = "qcom,geni-debug-uart";
 
@@ -893,6 +915,13 @@ hastings_reg_en: hastings-reg-en-state {
 &tlmm {
 	gpio-reserved-ranges = <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
 
+	bt_en: bt-en-state {
+		pins = "gpio133";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+	};
+
 	edp_reg_en: edp-reg-en-state {
 		pins = "gpio25";
 		function = "gpio";
@@ -1086,6 +1115,34 @@ reset-n-pins {
 		};
 	};
 
+	uart2_default: uart2-default-state {
+		cts-pins {
+			pins = "gpio121";
+			function = "qup2";
+			bias-bus-hold;
+		};
+
+		rts-pins {
+			pins = "gpio122";
+			function = "qup2";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		rx-pins {
+			pins = "gpio124";
+			function = "qup2";
+			bias-pull-up;
+		};
+
+		tx-pins {
+			pins = "gpio123";
+			function = "qup2";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
 	usb0_sbu_default: usb0-sbu-state {
 		oe-n-pins {
 			pins = "gpio101";

-- 
2.43.0