Re: [PATCH v4 2/4] arm64: dts: qcom: qcs6490-rb3gen: add and enable BT node

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On 12/5/2024 4:29 AM, Dmitry Baryshkov wrote:
On Wed, Dec 04, 2024 at 06:47:04PM +0530, Janaki Ramaiah Thota wrote:
Add a node for the PMU module of the WCN6750 present on the
qcs6490-rb3gen board and assign its power outputs to the Bluetooth
module.

Signed-off-by: Janaki Ramaiah Thota <quic_janathot@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 165 ++++++++++++++++++-
  1 file changed, 164 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index 27695bd54220..07650648214e 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -1,6 +1,6 @@
  // SPDX-License-Identifier: BSD-3-Clause
  /*
- * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
   */
/dts-v1/;
@@ -33,6 +33,7 @@
aliases {
  		serial0 = &uart5;
+		serial1 = &uart7;
  	};
chosen {
@@ -217,6 +218,63 @@
  		regulator-min-microvolt = <3700000>;
  		regulator-max-microvolt = <3700000>;
  	};
+
+	wcn6750-pmu {
+		compatible = "qcom,wcn6750-pmu";
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_en>;
+		vddaon-supply = <&vreg_s7b_0p972>;
+		vddasd-supply = <&vreg_l11c_2p8>;
+		vddpmu-supply = <&vreg_s7b_0p972>;
+		vddrfa0p8-supply = <&vreg_s7b_0p972>;
+		vddrfa1p2-supply = <&vreg_s8b_1p272>;
+		vddrfa1p7-supply = <&vreg_s1b_1p872>;
+		vddrfa2p2-supply = <&vreg_s1c_2p19>;
+
+		bt-enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;

Doesn't WCN6750 also have SW_CTRL and wifi-enable pins?


For Bluetooth, these pins are not needed. We have verified Bluetooth functionality, and it is working fine.

Thanks,
Janakiram





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