Enable WLAN on qcs8300-ride by adding a node for the PMU module
of the WCN6855 and assigning its LDO power outputs to the existing
WiFi module.
On the qcs8300-ride platform, the corresponding firmware and BDF
are QCA6698AQ instead of WCN6855, which have been added in the
20250211 release.
Signed-off-by: Wei Zhang <wei.zhang@oss.qualcomm.com>
---
Changes in v10:
- Rebase patch
- Change WLAN EN gpio default state to pull-down (Konrad)
- Link to v9: https://lore.kernel.org/all/20260122053624.4068718-1-wei.zhang@oss.qualcomm.com/
Changes in v9:
- Refine and add precise descriptions of the WLAN voltage rails (Dmitry)
- Link to v8: https://lore.kernel.org/all/20260120070650.3192679-1-wei.zhang@oss.qualcomm.com/
Changes in v8:
- Reordered regulator nodes to maintain alphabetical consistency (Dmitry)
- Link to v7: https://lore.kernel.org/all/20260119090758.2780678-1-wei.zhang@oss.qualcomm.com/
Changes in v7:
- Align regulator node names to match the existing naming style in the dts (Dmitry)
- Link to v6: https://lore.kernel.org/all/20260119080125.2761623-1-wei.zhang@oss.qualcomm.com/
Changes in v6:
- Rebase patches
- Remove unintended 'output-low' from wlan-en-state pinctrl (Konrad)
- Link to v5: https://lore.kernel.org/all/20251113055148.2729943-1-wei.zhang@oss.qualcomm.com/
Changes in v5:
- Rebase patches
- Flip the order of property-n and property-names (Konrad)
- Flip the order of bias and output property (Konrad)
- Link to v4: https://lore.kernel.org/all/20250325075331.1662306-1-quic_stonez@quicinc.com/
Changes in v4:
- Rename the symbol pcieport0 to pcie0_port0 (Konrad)
- Adjust the property order in node pcie0_port0 (Konrad)
- Add to the commit message mentioning FW and BDF used by QCS8300 (Dmitry)
- Specify the calibration data using the correct variant (Dmitry)
- Link to v3: https://lore.kernel.org/all/20250318093350.2682132-1-quic_stonez@quicinc.com/
Changes in v3:
- Complete the nodes property definitions according to DTS binding requirements (Bjorn)
- Link to v2: https://lore.kernel.org/all/20250227065439.1407230-1-quic_stonez@quicinc.com/
Changes in v2:
- Rename the nodes name according to DTS coding style (Konrad & Krzysztof)
- Provide regulator-min/max-microvolt to the regulators (Konrad)
- Link to v1: https://lore.kernel.org/all/20250210062910.3618336-1-quic_stonez@quicinc.com/
---
arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 130 ++++++++++++++++++++++
1 file changed, 130 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
index c04e0ad53eec..2ed1015b3465 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
@@ -36,6 +36,50 @@ dp0_connector_in: endpoint {
};
};
+ vreg_conn_1p05: regulator-conn-1p05 {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_conn_1p05";
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+ vin-supply = <&vreg_conn_1p8>;
+ };
+
+ vreg_conn_1p35: regulator-conn-1p35 {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_conn_1p35";
+ regulator-min-microvolt = <1350000>;
+ regulator-max-microvolt = <1350000>;
+ vin-supply = <&vreg_conn_1p8>;
+ };
+
+ vreg_conn_1p8: regulator-conn-1p8 {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_conn_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ startup-delay-us = <4000>;
+ enable-active-high;
+ gpio = <&pmm8650au_1_gpios 4 GPIO_ACTIVE_HIGH>;
+ };
+
+ vreg_conn_1p95: regulator-conn-1p95 {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_conn_1p95";
+ regulator-min-microvolt = <1950000>;
+ regulator-max-microvolt = <1950000>;
+ vin-supply = <&vreg_conn_1p8>;
+ };
+
+ vreg_conn_pa: regulator-conn-pa {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_conn_pa";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ startup-delay-us = <4000>;
+ enable-active-high;
+ gpio = <&pmm8650au_1_gpios 6 GPIO_ACTIVE_HIGH>;
+ };
+
regulator-usb2-vbus {
compatible = "regulator-fixed";
regulator-name = "USB2_VBUS";
@@ -45,6 +89,69 @@ regulator-usb2-vbus {
enable-active-high;
regulator-always-on;
};
+
+ wcn6855-pmu {
+ compatible = "qcom,wcn6855-pmu";
+
+ pinctrl-0 = <&wlan_en_state>;
+ pinctrl-names = "default";
+
+ vddio-supply = <&vreg_conn_pa>;
+ vddaon-supply = <&vreg_conn_1p8>;
+ vddpmu-supply = <&vreg_conn_pa>;
+ vddpmumx-supply = <&vreg_conn_1p8>;
+ vddpmucx-supply = <&vreg_conn_pa>;
+ /* WLAN rails: 1.05/1.35/1.95V (nominal 0.95/1.30/1.90V) */
+ vddrfa0p95-supply = <&vreg_conn_1p05>;
+ vddrfa1p3-supply = <&vreg_conn_1p35>;
+ vddrfa1p9-supply = <&vreg_conn_1p95>;
+ vddpcie1p3-supply = <&vreg_conn_1p35>;
+ vddpcie1p9-supply = <&vreg_conn_1p95>;
+
+ wlan-enable-gpios = <&tlmm 54 GPIO_ACTIVE_HIGH>;
+
+ 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_1p7: ldo7 {
+ regulator-name = "vreg_pmu_rfa_1p7";
+ };
+
+ vreg_pmu_pcie_0p9: ldo8 {
+ regulator-name = "vreg_pmu_pcie_0p9";
+ };
+
+ vreg_pmu_pcie_1p8: ldo9 {
+ regulator-name = "vreg_pmu_pcie_1p8";
+ };
+ };
+ };
};
&apps_rsc {
@@ -363,6 +470,23 @@ &pcie0 {
&pcieport0 {
reset-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>;
+
+ wifi@0 {
+ compatible = "pci17cb,1103";
+ reg = <0x10000 0x0 0x0 0x0 0x0>;
+
+ 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_1p7>;
+ vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>;
+ vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>;
+
+ qcom,calibration-variant = "QC_QCS8300_Ride";
+ };
};
&pcie0_phy {
@@ -503,6 +627,12 @@ dp_hot_plug_det: dp-hot-plug-det-state {
function = "edp0_hot";
bias-disable;
};
+
+ wlan_en_state: wlan-en-state {
+ pins = "gpio54";
+ function = "gpio";
+ bias-pull-down;
+ };
};
&uart7 {
base-commit: 7dff99b354601dd01829e1511711846e04340a69
--
2.34.1
On Tue, 24 Feb 2026 23:14:59 -0800, Wei Zhang wrote:
> Enable WLAN on qcs8300-ride by adding a node for the PMU module
> of the WCN6855 and assigning its LDO power outputs to the existing
> WiFi module.
>
> On the qcs8300-ride platform, the corresponding firmware and BDF
> are QCA6698AQ instead of WCN6855, which have been added in the
> 20250211 release.
>
> [...]
Applied, thanks!
[1/1] arm64: dts: qcom: qcs8300-ride: enable WLAN on qcs8300-ride
commit: 5b0d45272c542c499b20e0a275a4a02a5befb6c7
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
On Tue, Feb 24, 2026 at 11:14:59PM -0800, Wei Zhang wrote: > Enable WLAN on qcs8300-ride by adding a node for the PMU module > of the WCN6855 and assigning its LDO power outputs to the existing > WiFi module. > > On the qcs8300-ride platform, the corresponding firmware and BDF > are QCA6698AQ instead of WCN6855, which have been added in the > 20250211 release. > > Signed-off-by: Wei Zhang <wei.zhang@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> -- With best wishes Dmitry
On 2/25/26 8:14 AM, Wei Zhang wrote: > Enable WLAN on qcs8300-ride by adding a node for the PMU module > of the WCN6855 and assigning its LDO power outputs to the existing > WiFi module. > > On the qcs8300-ride platform, the corresponding firmware and BDF > are QCA6698AQ instead of WCN6855, which have been added in the > 20250211 release. > > Signed-off-by: Wei Zhang <wei.zhang@oss.qualcomm.com> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Konrad
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