Re: [PATCH 2/2] arm64: dts: qcom: sm8550-qrd: use the PMU to power up bluetooth

From: Bartosz Golaszewski
Date: Tue Jul 16 2024 - 08:06:27 EST


On Tue, Jul 16, 2024 at 11:45 AM Neil Armstrong
<neil.armstrong@xxxxxxxxxx> wrote:
>
> Change the HW model in sm8550-qrd.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/sm8550-qrd.dts | 26 +++++++++-----------------
> 1 file changed, 9 insertions(+), 17 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> index 774bdfcffec3..6052dd922ec5 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> @@ -219,13 +219,10 @@ wcn7850-pmu {
> compatible = "qcom,wcn7850-pmu";
>
> pinctrl-names = "default";
> - pinctrl-0 = <&wlan_en>, <&pmk8550_sleep_clk>;
> + pinctrl-0 = <&wlan_en>, <&bt_default>, <&pmk8550_sleep_clk>;
>
> wlan-enable-gpios = <&tlmm 80 GPIO_ACTIVE_HIGH>;
> - /*
> - * TODO Add bt-enable-gpios once the Bluetooth driver is
> - * converted to using the power sequencer.
> - */
> + bt-enable-gpios = <&tlmm 81 GPIO_ACTIVE_HIGH>;
>
> vdd-supply = <&vreg_s5g_0p85>;
> vddio-supply = <&vreg_l15b_1p8>;
> @@ -1175,20 +1172,15 @@ &uart14 {
> bluetooth {
> compatible = "qcom,wcn7850-bt";
>
> - vddio-supply = <&vreg_l15b_1p8>;
> - vddaon-supply = <&vreg_s4e_0p95>;
> - vdddig-supply = <&vreg_s4e_0p95>;
> - vddrfa0p8-supply = <&vreg_s4e_0p95>;
> - vddrfa1p2-supply = <&vreg_s4g_1p25>;
> - vddrfa1p9-supply = <&vreg_s6g_1p86>;
> + 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 81 GPIO_ACTIVE_HIGH>;
> - swctrl-gpios = <&tlmm 82 GPIO_ACTIVE_HIGH>;
> -
> - pinctrl-0 = <&bt_default>;
> - pinctrl-names = "default";
> };
> };
>
>
> --
> 2.34.1
>

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>