Re: [PATCH] arm64: dts: qcom: glymur-crd: Enable WLAN and Bluetooth
From: Zijun Hu
Date: Tue Mar 10 2026 - 03:27:56 EST
On 3/10/2026 1:33 AM, Abel Vesa wrote:
> The Glymur CRD features a WCN7850 WLAN and Bluetooth combo chip.
a WCN7850 M.2 WiFi bluetooth combo card.
>
> So describe both the 0.9V and the 3.3V regulators, then WCN7850 PMU and
> the PCIe WLAN and the UART Bluetooth nodes.
>
> This enables WLAN and Bluetooth functionality on the CRD.
>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/glymur-crd.dts | 119 ++++++++++++++++++++++++++++++--
> 1 file changed, 113 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/glymur-crd.dts b/arch/arm64/boot/dts/qcom/glymur-crd.dts
> index 0de7d35e1148..bcee513e477b 100644
> --- a/arch/arm64/boot/dts/qcom/glymur-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/glymur-crd.dts
> @@ -190,17 +190,27 @@ vreg_nvmesec: regulator-nvmesec {
> regulator-boot-on;
> };
>
> - vreg_wlan: regulator-wlan {
> + vreg_wcn_0p95: regulator-wcn-0p95 {
> compatible = "regulator-fixed";
>
> - regulator-name = "VREG_WLAN_3P3";
> + regulator-name = "VREG_WCN_0P95";
> + regulator-min-microvolt = <950000>;
> + regulator-max-microvolt = <950000>;
> +
> + vin-supply = <&vreg_wcn_3p3>;
> + };
> +
> + vreg_wcn_3p3: regulator-wcn-3p3 {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "VREG_WCN_3P3";
> regulator-min-microvolt = <3300000>;
> regulator-max-microvolt = <3300000>;
>
> gpio = <&tlmm 94 GPIO_ACTIVE_HIGH>;
> enable-active-high;
>
> - pinctrl-0 = <&wlan_reg_en>;
> + pinctrl-0 = <&wcn_sw_en>;
> pinctrl-names = "default";
>
> regulator-boot-on;
> @@ -219,6 +229,66 @@ vreg_wwan: regulator-wwan {
> pinctrl-0 = <&wwan_reg_en>;
> pinctrl-names = "default";
> };
> +
> + wcn7850-pmu {
> + compatible = "qcom,wcn7850-pmu";
> +
> + vdd-supply = <&vreg_wcn_0p95>;
> + vddio-supply = <&vreg_l15b_e0_1p8>;
> + vddio1p2-supply = <&vreg_l18b_e0_1p2>;
may remove vddio1p2-supply since it does NOT use 1.2v IO power supply
> + vddaon-supply = <&vreg_l15b_e0_1p8>;
> + vdddig-supply = <&vreg_l15b_e0_1p8>;
> + vddrfa1p2-supply = <&vreg_l15b_e0_1p8>;
> + vddrfa1p8-supply = <&vreg_l15b_e0_1p8>;
> +
> + wlan-enable-gpios = <&tlmm 117 GPIO_ACTIVE_HIGH>;
> + bt-enable-gpios = <&tlmm 116 GPIO_ACTIVE_HIGH>;
> +
> + pinctrl-0 = <&wcn_wlan_bt_en>;
> + pinctrl-names = "default";
> +
> + regulators {
> + vreg_pmu_rfa_cmn: ldo0 {
> + regulator-name = "vreg_pmu_rfa_cmn";
> + };
> +
> + vreg_pmu_aon_0p59: ldo1 {
> + regulator-name = "vreg_pmu_aon_0p59";
> + };
> +
> + vreg_pmu_wlcx_0p8: ldo2 {
> + regulator-name = "vreg_pmu_wlcx_0p8";
> + };
> +
> + vreg_pmu_wlmx_0p85: ldo3 {
> + regulator-name = "vreg_pmu_wlmx_0p85";
> + };
> +
> + vreg_pmu_btcmx_0p85: ldo4 {
> + regulator-name = "vreg_pmu_btcmx_0p85";
> + };
> +
> + vreg_pmu_rfa_0p8: ldo5 {
> + regulator-name = "vreg_pmu_rfa_0p8";
> + };
> +
> + vreg_pmu_rfa_1p2: ldo6 {
> + regulator-name = "vreg_pmu_rfa_1p2";
> + };
> +
> + vreg_pmu_rfa_1p8: ldo7 {
> + regulator-name = "vreg_pmu_rfa_1p8";
> + };
> +
> + vreg_pmu_pcie_0p9: ldo8 {
> + regulator-name = "vreg_pmu_pcie_0p9";
> + };
> +
> + vreg_pmu_pcie_1p8: ldo9 {
> + regulator-name = "vreg_pmu_pcie_1p8";
> + };
> + };
> + };
> };
>
> &apps_rsc {
> @@ -616,8 +686,6 @@ &pcie3b_port0 {
> };
>
> &pcie4 {
> - vddpe-3v3-supply = <&vreg_wlan>;
> -
Ack.
> pinctrl-0 = <&pcie4_default>;
> pinctrl-names = "default";
>
> @@ -634,6 +702,21 @@ &pcie4_phy {
> &pcie4_port0 {
> reset-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
> wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
> +
> + wifi@0 {
> + compatible = "pci17cb,1107";
> + reg = <0x10000 0x0 0x0 0x0 0x0>;
> +
> + 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>;
> + vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>;
> + vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>;
> + };
> };
>
> &pcie5 {
> @@ -873,7 +956,14 @@ wake-n-pins {
> };
> };
>
> - wlan_reg_en: wlan-reg-en-state {
> + wcn_wlan_bt_en: wcn-wlan-bt-en-state {
> + pins = "gpio116", "gpio117";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + wcn_sw_en: wcn-sw-en-state {
> pins = "gpio94";
> function = "gpio";
> drive-strength = <2>;
> @@ -888,6 +978,23 @@ wwan_reg_en: wwan-reg-en-state {
> };
> };
>
> +&uart14 {
> + 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>;
> + };
> +};
> +
> &usb_0 {
> dr_mode = "host";
>
>
> ---
> base-commit: 5138081b838d92e1bfcddc7b72b9215cca6e83f0
> change-id: 20260309-glymur-dts-crd-enable-bt-wlan-db90c414ebaa
> prerequisite-change-id: 20260109-dts-qcom-glymur-add-usb-support-617b6d9d032c:v4
> prerequisite-patch-id: df42484b224c01014637ec5a8f56bab459890557
> prerequisite-patch-id: d986d8d948eaf7b80028b2244750dc7aff7de307
> prerequisite-patch-id: 7ec5f802a334d96421d8f95d4d9e9773655cc947
> prerequisite-patch-id: 8d9e016b49979fa817cf9eab70b809fdb9d4656f
> prerequisite-change-id: 20260109-dts-qcom-glymur-crd-add-edp-03f0adde9750:v4
> prerequisite-patch-id: df42484b224c01014637ec5a8f56bab459890557
> prerequisite-patch-id: d986d8d948eaf7b80028b2244750dc7aff7de307
> prerequisite-patch-id: 7ec5f802a334d96421d8f95d4d9e9773655cc947
> prerequisite-patch-id: 8d9e016b49979fa817cf9eab70b809fdb9d4656f
> prerequisite-patch-id: 6a291fd702870ca28d64439313d498593996b741
> prerequisite-patch-id: c96958ab5c5605fb9577645ac5bfe5912cdfebfe
> prerequisite-patch-id: bfa283218723a48e54fcd842484b004c877339b7
> prerequisite-patch-id: 346f2db0933c551a039f63b945f989a5c8320657
> prerequisite-patch-id: 919020405b70d588fa4356a5cbfb44e67006102e
>
> Best regards,
> --
> Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
>