[PATCH v4 1/3] arm64: dts: qcom: sc8280xp-crd: model the PMU of the on-board wcn6855

[Bartosz Golaszewski <brgl@bgdev.pl>]

From: Konrad Dybcio <konradybcio@kernel.org>

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

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konradybcio@kernel.org>
[Bartosz:
  - write the commit message,
  - rebase Konrad's commit,
  - fix one of the supplies' name]
Co-developed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 110 ++++++++++++++++++++++
 1 file changed, 110 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 6020582b0a59..28721570c59f 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -177,6 +177,17 @@ vreg_misc_3p3: regulator-misc-3p3 {
 		regulator-always-on;
 	};
 
+	vreg_s10b: regulator-s10b {
+		compatible = "regulator-fixed";
+
+		regulator-name = "VREG_S10B";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	vreg_wlan: regulator-wlan {
 		compatible = "regulator-fixed";
 
@@ -260,6 +271,66 @@ usb1_sbu_mux: endpoint {
 			};
 		};
 	};
+
+	wcn6855-pmu {
+		compatible = "qcom,wcn6855-pmu";
+
+		pinctrl-0 = <&wlan_en>;
+		pinctrl-names = "default";
+
+		wlan-enable-gpios = <&tlmm 134 GPIO_ACTIVE_HIGH>;
+
+		vddio-supply = <&vreg_s10b>;
+		vddaon-supply = <&vreg_s12b>;
+		vddpmu-supply = <&vreg_s12b>;
+		vddrfa0p95-supply = <&vreg_s12b>;
+		vddrfa1p3-supply = <&vreg_s11b>;
+		vddrfa1p9-supply = <&vreg_s1c>;
+		vddpcie1p3-supply = <&vreg_s11b>;
+		vddpcie1p9-supply = <&vreg_s1c>;
+
+		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";
+			};
+		};
+	};
 };
 
 &apps_rsc {
@@ -276,6 +347,13 @@ vreg_s11b: smps11 {
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
+		vreg_s12b: smps12 {
+			regulator-name = "vreg_s12b";
+			regulator-min-microvolt = <984000>;
+			regulator-max-microvolt = <984000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_l3b: ldo3 {
 			regulator-name = "vreg_l3b";
 			regulator-min-microvolt = <1200000>;
@@ -304,6 +382,13 @@ regulators-1 {
 		compatible = "qcom,pm8350c-rpmh-regulators";
 		qcom,pmic-id = "c";
 
+		vreg_s1c: smps1 {
+			regulator-name = "vreg_s1c";
+			regulator-min-microvolt = <1888000>;
+			regulator-max-microvolt = <1888000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_l1c: ldo1 {
 			regulator-name = "vreg_l1c";
 			regulator-min-microvolt = <1800000>;
@@ -583,6 +668,25 @@ &pcie4_phy {
 	status = "okay";
 };
 
+&pcie4_port0 {
+	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>;
+
+		qcom,ath11k-calibration-variant = "QC_8280XP_CRD";
+	};
+};
+
 &pmc8280c_lpg {
 	status = "okay";
 };
@@ -829,6 +933,12 @@ reset-pins {
 		};
 	};
 
+	wlan_en: wlan-en-state {
+		pins = "gpio134";
+		function = "gpio";
+		bias-pull-down;
+	};
+
 	nvme_reg_en: nvme-reg-en-state {
 		pins = "gpio135";
 		function = "gpio";
-- 
2.30.2