linux-kernel - [PATCH 1/2] arm64: dts: qcom: sm8650-hdk: use the PMU to power up bluetooth

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Message-Id: <20240716-topic-sm8x50-upstream-use-pmu-to-power-up-bt-v1-1-67b3755edf6a@linaro.org>
Date: Tue, 16 Jul 2024 11:45:10 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Bartosz Golaszewski <brgl@...ev.pl>, linux-arm-msm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH 1/2] arm64: dts: qcom: sm8650-hdk: use the PMU to power up
 bluetooth

Change the HW model in sm8650-hdk.dts to a one closer to reality - where
the WLAN and Bluetooth modules of the WCN7850 are powered by the PMU
inside the package.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8650-hdk.dts | 26 +++++++++-----------------
 1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
index 591e6ab9bf5b..127c7aacd4fc 100644
--- a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
@@ -271,13 +271,10 @@ wcn7850-pmu {
 		compatible = "qcom,wcn7850-pmu";
 
 		pinctrl-names = "default";
-		pinctrl-0 = <&wlan_en>;
+		pinctrl-0 = <&wlan_en>, <&bt_default>;
 
 		wlan-enable-gpios = <&tlmm 16 GPIO_ACTIVE_HIGH>;
-		/*
-		 * TODO Add bt-enable-gpios once the Bluetooth driver is
-		 * converted to using the power sequencer.
-		 */
+		bt-enable-gpios = <&tlmm 17 GPIO_ACTIVE_HIGH>;
 
 		vdd-supply = <&vreg_s4i_0p85>;
 		vddio-supply = <&vreg_l15b_1p8>;
@@ -1272,20 +1269,15 @@ &uart14 {
 	bluetooth {
 		compatible = "qcom,wcn7850-bt";
 
-		vddio-supply = <&vreg_l3c_1p2>;
-		vddaon-supply = <&vreg_l15b_1p8>;
-		vdddig-supply = <&vreg_s3c_0p9>;
-		vddrfa0p8-supply = <&vreg_s3c_0p9>;
-		vddrfa1p2-supply = <&vreg_s1c_1p2>;
-		vddrfa1p9-supply = <&vreg_s6c_1p8>;
+		vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+		vddaon-supply = <&vreg_pmu_aon_0p59>;
+		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+		vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
+		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+		vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>;
 
 		max-speed = <3200000>;
-
-		enable-gpios = <&tlmm 17 GPIO_ACTIVE_HIGH>;
-		swctrl-gpios = <&tlmm 18 GPIO_ACTIVE_HIGH>;
-
-		pinctrl-0 = <&bt_default>;
-		pinctrl-names = "default";
 	};
 };
 

-- 
2.34.1