[PATCH v2 14/14] arm64: dts: qcom: sm8150-hdk: describe WiFi/BT properly

Dmitry Baryshkov
2026-01-06T01:01:53Z

Properly describe the PMU present as a part of the onboard WCN3998
WiFi/BT chip. Enable Bluetooth part of the chip too.

[ 5.479978] Bluetooth: hci0: setting up wcn399x
[ 5.633763] Bluetooth: hci0: QCA Product ID :0x0000000a
[ 5.645350] Bluetooth: hci0: QCA SOC Version :0x40010224
[ 5.650906] Bluetooth: hci0: QCA ROM Version :0x00001001
[ 5.665173] Bluetooth: hci0: QCA Patch Version:0x00006699
[ 5.679356] Bluetooth: hci0: QCA controller version 0x02241001
[ 5.691109] Bluetooth: hci0: QCA Downloading qca/crbtfw21.tlv
[ 6.680102] Bluetooth: hci0: QCA Downloading qca/crnv21.bin
[ 6.842948] Bluetooth: hci0: QCA setup on UART is completed

[ 81.510709] ath10k_snoc 18800000.wifi: qmi chip_id 0x30224 chip_family 0x4001 board_id 0x55 soc_id 0x40060000
[ 81.521713] ath10k_snoc 18800000.wifi: qmi fw_version 0x32040163 fw_build_timestamp 2019-10-08 05:42 fw_build_id QC_IMAGE_VERSION_STRING=WLAN.HL.3.2.0-00355-QCAHLSWMTPLZ-1
[ 81.554143] ath10k_snoc 18800000.wifi: failed to fetch board data for bus=snoc,qmi-board-id=55,qmi-chip-id=30224,variant=Qualcomm_sm8150hdk from ath10k/WCN3990/hw1.0/board-2.bin
[ 85.467464] ath10k_snoc 18800000.wifi: wcn3990 hw1.0 target 0x00000008 chip_id 0x00000000 sub 0000:0000
[ 85.478132] ath10k_snoc 18800000.wifi: kconfig debug 0 debugfs 0 tracing 0 dfs 0 testmode 0
[ 85.487223] ath10k_snoc 18800000.wifi: firmware ver api 5 features wowlan,mgmt-tx-by-reference,non-bmi crc32 b3d4b790
[ 85.758168] ath10k_snoc 18800000.wifi: htt-ver 3.73 wmi-op 4 htt-op 3 cal file max-sta 32 raw 0 hwcrypto 1
[ 85.901630] ath10k_snoc 18800000.wifi: invalid MAC address; choosing random

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/sm8150-hdk.dts | 141 ++++++++++++++++++++++++++++++--
1 file changed, 136 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8150-hdk.dts b/arch/arm64/boot/dts/qcom/sm8150-hdk.dts
index 1eea9c5c6684..6ae6e07c37df 100644
--- a/arch/arm64/boot/dts/qcom/sm8150-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8150-hdk.dts
@@ -20,6 +20,7 @@ / {

aliases {
serial0 = &uart2;
+ serial1 = &uart13;
};

chosen {
@@ -66,6 +67,43 @@ hdmi_con: endpoint {
};
};
};
+
+ wcn3998-pmu {
+ compatible = "qcom,wcn3998-pmu";
+
+ pinctrl-0 = <&sw_ctrl_default>;
+ pinctrl-names = "default";
+
+ vddio-supply = <&vreg_s4a_1p8>;
+ vddxo-supply = <&vreg_l7a_1p8>;
+ vddrf-supply = <&vreg_l2c_1p3>;
+ vddch0-supply = <&vreg_l11c_3p3>;
+ vddch1-supply = <&vreg_l10c_3p3>;
+
+ swctrl-gpios = <&tlmm 50 GPIO_ACTIVE_HIGH>;
+
+ regulators {
+ vreg_pmu_io: ldo0 {
+ regulator-name = "vreg_pmu_io";
+ };
+
+ vreg_pmu_xo: ldo1 {
+ regulator-name = "vreg_pmu_xo";
+ };
+
+ vreg_pmu_rf: ldo2 {
+ regulator-name = "vreg_pmu_rf";
+ };
+
+ vreg_pmu_ch0: ldo3 {
+ regulator-name = "vreg_pmu_ch0";
+ };
+
+ vreg_pmu_ch1: ldo4 {
+ regulator-name = "vreg_pmu_ch1";
+ };
+ };
+ };
};

&apps_rsc {
@@ -598,6 +636,10 @@ &qupv3_id_1 {
status = "okay";
};

+&qupv3_id_2 {
+ status = "okay";
+};
+
&remoteproc_adsp {
status = "okay";

@@ -630,12 +672,97 @@ lt9611_irq_pin: lt9611-irq-state {
bias-disable;
};

+ qup_uart13_default: qup-uart13-default-state {
+ cts-pins {
+ pins = "gpio43";
+ function = "qup13";
+ drive-strength = <2>;
+ bias-bus-hold;
+ };
+
+ rts-pins {
+ pins = "gpio44";
+ function = "qup13";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ tx-pins {
+ pins = "gpio45";
+ function = "qup13";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rx-pins {
+ pins = "gpio46";
+ function = "qup13";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ qup_uart13_sleep: qup-uart13-sleep-state {
+ cts-pins {
+ pins = "gpio43";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-bus-hold;
+ };
+
+ rts-pins {
+ pins = "gpio44";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ tx-pins {
+ pins = "gpio45";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ rx-pins {
+ pins = "gpio46";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ sw_ctrl_default: sw-ctrl-default-state {
+ pins = "gpio50";
+ function = "gpio";
+ bias-pull-down;
+ };
};

&uart2 {
status = "okay";
};

+&uart13 {
+ /delete-property/ interrupts;
+ interrupts-extended = <&intc GIC_SPI 585 IRQ_TYPE_LEVEL_HIGH>,
+ <&tlmm 46 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-0 = <&qup_uart13_default>;
+ pinctrl-1 = <&qup_uart13_sleep>;
+ pinctrl-names = "default", "sleep";
+
+ status = "okay";
+
+ bluetooth {
+ compatible = "qcom,wcn3998-bt";
+
+ vddio-supply = <&vreg_pmu_io>;
+ vddxo-supply = <&vreg_pmu_xo>;
+ vddrf-supply = <&vreg_pmu_rf>;
+ vddch0-supply = <&vreg_pmu_ch0>;
+ };
+};
+
&ufs_mem_hc {
status = "okay";

@@ -709,12 +836,16 @@ &usb_2_dwc3 {
};

&wifi {
- status = "okay";
-
+ /* SoC */
vdd-0.8-cx-mx-supply = <&vreg_l1a_0p75>;
- vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
- vdd-1.3-rfa-supply = <&vreg_l2c_1p3>;
- vdd-3.3-ch0-supply = <&vreg_l11c_3p3>;
+
+ /* WiFi / BT PMU */
+ vdd-1.8-xo-supply = <&vreg_pmu_xo>;
+ vdd-1.3-rfa-supply = <&vreg_pmu_rf>;
+ vdd-3.3-ch0-supply = <&vreg_pmu_ch0>;
+ vdd-3.3-ch1-supply = <&vreg_pmu_ch1>;

qcom,calibration-variant = "Qualcomm_sm8150hdk";
+
+ status = "okay";
};

--
2.47.3