Commit fe79fbce authored by Bartosz Golaszewski's avatar Bartosz Golaszewski Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: sm8450-hdk: model the PMU of the on-board wcn6855 



Add nodes for the WCN6855 PMU, the WLAN and BT modules and relevant
regulators and pin functions to fully describe how the wifi is actually
wired on this platform.

Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241018-sc8280xp-pwrseq-v6-6-8da8310d9564@linaro.org


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent 36937845

arch/arm64/boot/dts/qcom/sm8450-hdk.dts

+157 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ / { 


	aliases {

		serial0 = &uart7;

		serial1 = &uart20;

	};



	wcd938x: audio-codec {
@@ -247,6 +248,71 @@ active-config0 { 
		};

	};



	wcn6855-pmu {

		compatible = "qcom,wcn6855-pmu";



		pinctrl-0 = <&bt_en>, <&wlan_en>, <&xo_clk_default>;

		pinctrl-names = "default";



		wlan-enable-gpios = <&tlmm 80 GPIO_ACTIVE_HIGH>;

		bt-enable-gpios = <&tlmm 81 GPIO_ACTIVE_HIGH>;

		swctrl-gpios = <&tlmm 82 GPIO_ACTIVE_HIGH>;

		xo-clk-gpios = <&tlmm 204 GPIO_ACTIVE_HIGH>;



		vddio-supply = <&vreg_s10b_1p8>;

		vddaon-supply = <&vreg_s11b_0p95>;

		vddpmu-supply = <&vreg_s12b_1p25>;

		vddpmumx-supply = <&vreg_s2e_0p85>;

		vddpmucx-supply = <&vreg_s11b_0p95>;

		vddrfa0p95-supply = <&vreg_s11b_0p95>;

		vddrfa1p3-supply = <&vreg_s12b_1p25>;

		vddrfa1p9-supply = <&vreg_s1c_1p86>;

		vddpcie1p3-supply = <&vreg_s12b_1p25>;

		vddpcie1p9-supply = <&vreg_s1c_1p86>;



		regulators {

			vreg_pmu_rfa_cmn_0p8: ldo0 {

				regulator-name = "vreg_pmu_rfa_cmn_0p8";

			};



			vreg_pmu_aon_0p8: ldo1 {

				regulator-name = "vreg_pmu_aon_0p8";

			};



			vreg_pmu_wlcx_0p8: ldo2 {

				regulator-name = "vreg_pmu_wlcx_0p8";

			};



			vreg_pmu_wlmx_0p8: ldo3 {

				regulator-name = "vreg_pmu_wlmx_0p8";

			};



			vreg_pmu_btcmx_0p8: ldo4 {

				regulator-name = "vreg_pmu_btcmx_0p8";

			};



			vreg_pmu_pcie_1p8: ldo5 {

				regulator-name = "vreg_pmu_pcie_1p8";

			};



			vreg_pmu_pcie_0p9: ldo6 {

				regulator-name = "vreg_pmu_pcie_0p9";

			};



			vreg_pmu_rfa_0p8: ldo7 {

				regulator-name = "vreg_pmu_rfa_0p8";

			};



			vreg_pmu_rfa_1p2: ldo8 {

				regulator-name = "vreg_pmu_rfa_1p2";

			};



			vreg_pmu_rfa_1p7: ldo9 {

				regulator-name = "vreg_pmu_rfa_1p7";

			};

		};

	};



	vph_pwr: vph-pwr-regulator {

		compatible = "regulator-fixed";

		regulator-name = "vph_pwr";
@@ -685,6 +751,23 @@ &pcie0_phy { 
	vdda-pll-supply = <&vreg_l6b_1p2>;

};



&pcieport0 {

	wifi@0 {

		compatible = "pci17cb,1103";

		reg = <0x10000 0x0 0x0 0x0 0x0>;



		vddrfacmn-supply = <&vreg_pmu_rfa_cmn_0p8>;

		vddaon-supply = <&vreg_pmu_aon_0p8>;

		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;

		vddwlmx-supply = <&vreg_pmu_wlmx_0p8>;

		vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>;

		vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>;

		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;

		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;

		vddrfa1p8-supply = <&vreg_pmu_rfa_1p7>;

	};

};



&pcie1 {

	status = "okay";

};
@@ -892,6 +975,10 @@ &qupv3_id_1 { 
	status = "okay";

};



&qupv3_id_2 {

	status = "okay";

};



&sdhc_2 {

	cd-gpios = <&tlmm 92 GPIO_ACTIVE_HIGH>;

	pinctrl-names = "default", "sleep";
@@ -1069,6 +1156,26 @@ &uart7 { 
	status = "okay";

};



&uart20 {

	pinctrl-0 = <&uart20_default>;

	pinctrl-names = "default";



	status = "okay";



	bluetooth {

		compatible = "qcom,wcn6855-bt";



		vddrfacmn-supply = <&vreg_pmu_rfa_cmn_0p8>;

		vddaon-supply = <&vreg_pmu_aon_0p8>;

		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;

		vddwlmx-supply = <&vreg_pmu_wlmx_0p8>;

		vddbtcmx-supply = <&vreg_pmu_btcmx_0p8>;

		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;

		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;

		vddrfa1p8-supply = <&vreg_pmu_rfa_1p7>;

	};

};



&ufs_mem_hc {

	status = "okay";
@@ -1130,6 +1237,14 @@ &vamacro { 
};



&tlmm {

	bt_en: bt-en-state {

		pins = "gpio81";

		function = "gpio";

		drive-strength = <16>;

		output-low;

		bias-pull-down;

	};



	spkr_1_sd_n_active: spkr-1-sd-n-active-state {

		pins = "gpio1";

		function = "gpio";
@@ -1153,4 +1268,46 @@ wcd_default: wcd-reset-n-active-state { 
		bias-disable;

		output-low;

	};



	wlan_en: wlan-en-state {

		pins = "gpio80";

		function = "gpio";

		drive-strength = <16>;

		output-low;

		bias-pull-down;

	};



	uart20_default: uart20-default-state {

		cts-pins {

			pins = "gpio76";

			function = "qup20";

			bias-disable;

		};



		rts-pins {

			pins = "gpio77";

			function = "qup20";

			bias-disable;

		};



		rx-pins {

			pins = "gpio78";

			function = "qup20";

			bias-disable;

		};



		tx-pins {

			pins = "gpio79";

			function = "qup20";

			bias-disable;

		};

	};



	xo_clk_default: xo-clk-state {

		pins = "gpio204";

		function = "gpio";

		drive-strength = <16>;

		output-low;

		bias-pull-down;

	};

};

arch/arm64/boot/dts/qcom/sm8450.dtsi

+1 −1
Original line number Diff line number Diff line
@@ -1882,7 +1882,7 @@ opp-8000000 { 
				};

			};



			pcie@0 {

			pcieport0: pcie@0 {

				device_type = "pci";

				reg = <0x0 0x0 0x0 0x0 0x0>;

				bus-range = <0x01 0xff>;