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

From: Neil Armstrong
Date: Tue Jul 16 2024 - 05:46:14 EST


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@xxxxxxxxxx>
---
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