[PATCH v3 1/4] arm64: dts: qcom: sc8280xp-crd: model the PMU of the on-board wcn6855

Bartosz Golaszewski
2024-09-05T12:20:34Z

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 | 108 ++++++++++++++++++++++
1 file changed, 108 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 6020582b0a59..1f533c0d49ea 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 +668,23 @@ &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>;
+ };
+};
+
&pmc8280c_lpg {
status = "okay";
};
@@ -829,6 +931,12 @@ 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";
--
2.43.0