Re: [PATCH RFC v3 5/5] arm64: dts: qcom: nord-ride-embedded: Add WCN7850 Bluetooth support

[Bartosz Golaszewski]

On Wed, 21 Oct 2026 04:29:20 +0200, Shawn Guo
<shengchao.guo@xxxxxxxxxxxxxxxx> said:
> From: Shuai Zhang <shuai.zhang@xxxxxxxxxxxxxxxx>
>
> The WCN7850 module on the connectivity adapter card exposes its HCI
> interface on UART17, and BT_EN is routed to pmau0102_e GPIO9.
>
> Hook that GPIO up to the WCN7850 PMU, enable uart17 as serial1, and
> describe the Bluetooth controller consuming the PMU outputs.
>
> Signed-off-by: Shuai Zhang <shuai.zhang@xxxxxxxxxxxxxxxx>
> Signed-off-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx>
> ---
>  .../boot/dts/qcom/nord-ride-embedded.dts      | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts b/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts
> index 916f583b882a..6dc405ed7ef5 100644
> --- a/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts
> +++ b/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts
> @@ -18,6 +18,7 @@ / {
>
>  	aliases {
>  		serial0 = &uart15;
> +		serial1 = &uart17;
>  	};
>
>  	chosen {
> @@ -102,6 +103,7 @@ vreg_wcn_core_vh_1p95: regulator-wcn-core-vh-1p95 {
>  	wcn7850-pmu {
>  		compatible = "qcom,wcn7850-pmu";
>
> +		bt-enable-gpios = <&pmau0102_e_gpios 9 GPIO_ACTIVE_HIGH>;
>  		wlan-enable-gpios = <&pmau0102_e_gpios 10 GPIO_ACTIVE_HIGH>;
>
>  		vdd-supply = <&vreg_wcn_3p3>;
> @@ -583,6 +585,23 @@ &uart15 {
>  	status = "okay";
>  };
>
> +&uart17 {
> +	status = "okay";
> +
> +	bluetooth {
> +		compatible = "qcom,wcn7850-bt";
> +		max-speed = <3200000>;
> +
> +		vddaon-supply = <&vreg_pmu_aon_0p59>;
> +		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
> +		vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
> +		vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
> +		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
> +		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
> +		vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>;
> +	};
> +};
> +
>  &ufs_mem_hc {
>  	reset-gpios = <&tlmm 181 GPIO_ACTIVE_LOW>;
>
> --
> 2.43.0
>
>

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