linux-kernel - [PATCH 01/11] arm64: dts: qcom: sdm845-lg-common: Add uarts and Bluetooth

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Message-Id: <20250913-judyln-dts-v1-1-23b4b7790dce@postmarketos.org>
Date: Sat, 13 Sep 2025 16:56:34 -0700
From: Paul Sajna <sajattack@...tmarketos.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, David Heidelberg <david@...t.cz>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Amir Dahan <system64fumo@...tonmail.com>, 
 Christopher Brown <crispybrown@...il.com>, 
 Paul Sajna <sajattack@...tmarketos.org>
Subject: [PATCH 01/11] arm64: dts: qcom: sdm845-lg-common: Add uarts and
 Bluetooth

uart9 is debug serial on USB SBU1/2
uart6 is bluetooth

Signed-off-by: Paul Sajna <sajattack@...tmarketos.org>
---
 arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 47 ++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts  | 10 ++++++
 2 files changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
index 99dafc6716e76e25aad0755e6004dc952779689f..1acc418b943443f3ba4f8a8a1cfe2c575da11876 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
@@ -31,6 +31,8 @@ chosen {
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+
+		stdout-path = "serial0:115200n8";
 	};
 
 	reserved-memory {
@@ -159,6 +161,11 @@ vreg_s4a_1p8: pm8998-smps4-regulator {
 
 		vin-supply = <&vph_pwr>;
 	};
+
+	aliases {
+		serial0 = &uart9;
+		serial1 = &uart6;
+	};
 };
 
 &adsp_pas {
@@ -595,3 +602,43 @@ vol_up_pin_a: vol-up-active-state {
 		qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
 	};
 };
+
+&qupv3_id_0 {
+	status = "okay";
+};
+
+&qupv3_id_1 {
+	status = "okay";
+};
+
+&qup_uart9_rx {
+	drive-strength = <2>;
+	bias-pull-up;
+};
+
+&qup_uart9_tx {
+	drive-strength = <2>;
+	bias-disable;
+};
+
+&uart6 {
+	pinctrl-0 = <&qup_uart6_4pin>;
+
+	status = "okay";
+
+	bluetooth {
+		compatible = "qcom,wcn3990-bt";
+
+		vddio-supply = <&vreg_s4a_1p8>;
+		vddxo-supply = <&vreg_l7a_1p8>;
+		vddrf-supply = <&vreg_l17a_1p3>;
+		vddch0-supply = <&vreg_l25a_3p3>;
+		max-speed = <3200000>;
+	};
+};
+
+&uart9 {
+	label = "LS-UART1";
+
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
index a12723310c8b630a4961de671ea8b60f1f8b512b..49225e4fa80e5f45a36964d5d733dc238e4413f8 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
@@ -66,3 +66,13 @@ thinq_key_default: thinq-key-default-state {
 		bias-pull-up;
 	};
 };
+
+&uart6 {
+	bluetooth {
+		/*
+		 * This path is relative to the qca/
+		 * subdir under lib/firmware.
+		 */
+		firmware-name = "judyln/crnv21.bin";
+	};
+};

-- 
2.51.0