Commit a8aef264 authored by Dmitry Baryshkov's avatar Dmitry Baryshkov Committed by Bjorn Andersson
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arm64: dts: qcom: sdm845-db845c: describe WiFi/BT properly 



The onboard WiFi / BT device, WCN3990, has a simple on-chip PMU, which
further spreads generated voltage. Describe the PMU in the device tree.

Reviewed-by: default avatarBartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260106-wcn3990-pwrctl-v2-13-0386204328be@oss.qualcomm.com


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent c81ed57f

arch/arm64/boot/dts/qcom/sdm845-db845c.dts

+59 −10
Original line number Diff line number Diff line
@@ -276,6 +276,43 @@ vph_pwr: vph-pwr-regulator { 


		vin-supply = <&vbat_som>;

	};



	wcn3990-pmu {

		compatible = "qcom,wcn3990-pmu";



		pinctrl-0 = <&sw_ctrl_default>;

		pinctrl-names = "default";



		vddio-supply = <&vreg_s4a_1p8>;

		vddxo-supply = <&vreg_l7a_1p8>;

		vddrf-supply = <&vreg_l17a_1p3>;

		vddch0-supply = <&vreg_l25a_3p3>;

		vddch1-supply = <&vreg_l23a_3p3>;



		swctrl-gpios = <&pm8998_gpios 3 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";

			};

		};

	};

};



&adsp_pas {
@@ -659,6 +696,14 @@ cam0_avdd_2v8_en_default: cam0-avdd-2v8-en-state { 
		qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>;

	};



	sw_ctrl_default: sw-ctrl-default-state {

		pins = "gpio3";

		function = "normal";



		input-enable;

		bias-pull-down;

	};



	vol_up_pin_a: vol-up-active-state {

		pins = "gpio6";

		function = "normal";
@@ -1038,10 +1083,11 @@ &uart6 { 
	bluetooth {

		compatible = "qcom,wcn3990-bt";



		vddio-supply = <&vreg_s4a_1p8>;

		vddxo-supply = <&vreg_l7a_1p8>;

		vddrf-supply = <&vreg_l17a_1p3>;

		vddch0-supply = <&vreg_l25a_3p3>;

		vddio-supply = <&vreg_pmu_io>;

		vddxo-supply = <&vreg_pmu_xo>;

		vddrf-supply = <&vreg_pmu_rf>;

		vddch0-supply = <&vreg_pmu_ch0>;



		max-speed = <3200000>;

	};

};
@@ -1155,16 +1201,19 @@ right_spkr: speaker@0,2 { 
};



&wifi {

	status = "okay";



	/* SoC */

	vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;

	vdd-1.8-xo-supply = <&vreg_l7a_1p8>;

	vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;

	vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;

	vdd-3.3-ch1-supply = <&vreg_l23a_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,snoc-host-cap-8bit-quirk;

	qcom,calibration-variant = "Thundercomm_DB845C";



	status = "okay";

};



/* PINCTRL - additions to nodes defined in sdm845.dtsi */