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Message-Id: <20251031-tc9563-v8-7-3eba55300061@oss.qualcomm.com>
Date: Fri, 31 Oct 2025 16:42:04 +0530
From: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Jingoo Han <jingoohan1@...il.com>,
Bartosz Golaszewski <brgl@...ev.pl>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
cros-qcom-dts-watchers@...omium.org
Cc: linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>,
Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
Manivannan Sadhasivam <mani@...nel.org>
Subject: [PATCH v8 7/7] arm64: dts: qcom: qcs6490-rb3gen2: Add TC9563 PCIe
switch node
Add a node for the TC9563 PCIe switch, which has three downstream ports.
Two embedded Ethernet devices are present on one of the downstream ports.
As all these ports are present in the node represent the downstream
ports and embedded endpoints.
Power to the TC9563 is supplied through two LDO regulators, controlled by
two GPIOs, which are added as fixed regulators. Configure the TC9563
through I2C.
Reviewed-by: Bjorn Andersson <andersson@...nel.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
---
arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 128 +++++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 +-
2 files changed, 129 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index 18cea8812001421456dc85547c3c711e2c42182a..6aa49519508a2f88afa23f8f8015f986c0a5b84e 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -262,6 +262,30 @@ vph_pwr: vph-pwr-regulator {
regulator-max-microvolt = <3700000>;
};
+ vdd_ntn_0p9: regulator-vdd-ntn-0p9 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_NTN_0P9";
+ gpio = <&pm8350c_gpios 2 GPIO_ACTIVE_HIGH>;
+ regulator-min-microvolt = <899400>;
+ regulator-max-microvolt = <899400>;
+ enable-active-high;
+ pinctrl-0 = <&ntn_0p9_en>;
+ pinctrl-names = "default";
+ regulator-enable-ramp-delay = <4300>;
+ };
+
+ vdd_ntn_1p8: regulator-vdd-ntn-1p8 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_NTN_1P8";
+ gpio = <&pm8350c_gpios 3 GPIO_ACTIVE_HIGH>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ enable-active-high;
+ pinctrl-0 = <&ntn_1p8_en>;
+ pinctrl-names = "default";
+ regulator-enable-ramp-delay = <10000>;
+ };
+
wcn6750-pmu {
compatible = "qcom,wcn6750-pmu";
pinctrl-0 = <&bt_en>;
@@ -843,6 +867,78 @@ &pcie1_phy {
status = "okay";
};
+&pcie1_port0 {
+ pcie@0,0 {
+ compatible = "pci1179,0623";
+ reg = <0x10000 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ device_type = "pci";
+ ranges;
+ bus-range = <0x2 0xff>;
+
+ vddc-supply = <&vdd_ntn_0p9>;
+ vdd18-supply = <&vdd_ntn_1p8>;
+ vdd09-supply = <&vdd_ntn_0p9>;
+ vddio1-supply = <&vdd_ntn_1p8>;
+ vddio2-supply = <&vdd_ntn_1p8>;
+ vddio18-supply = <&vdd_ntn_1p8>;
+
+ i2c-parent = <&i2c0 0x77>;
+
+ resx-gpios = <&pm8350c_gpios 1 GPIO_ACTIVE_LOW>;
+
+ pinctrl-0 = <&tc9563_rsex_n>;
+ pinctrl-names = "default";
+
+ pcie@1,0 {
+ reg = <0x20800 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ device_type = "pci";
+ ranges;
+ bus-range = <0x3 0xff>;
+ };
+
+ pcie@2,0 {
+ reg = <0x21000 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ device_type = "pci";
+ ranges;
+ bus-range = <0x4 0xff>;
+ };
+
+ pcie@3,0 {
+ reg = <0x21800 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges;
+ bus-range = <0x5 0xff>;
+
+ pci@0,0 {
+ reg = <0x50000 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges;
+ };
+
+ pci@0,1 {
+ reg = <0x50100 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges;
+ };
+ };
+ };
+};
+
&pm7325_gpios {
kypd_vol_up_n: kypd-vol-up-n-state {
pins = "gpio6";
@@ -1119,6 +1215,38 @@ right_spkr: speaker@0,2 {
};
};
+&pm8350c_gpios {
+ ntn_0p9_en: ntn-0p9-en-state {
+ pins = "gpio2";
+ function = "normal";
+
+ bias-disable;
+ input-disable;
+ output-enable;
+ power-source = <0>;
+ };
+
+ ntn_1p8_en: ntn-1p8-en-state {
+ pins = "gpio3";
+ function = "normal";
+
+ bias-disable;
+ input-disable;
+ output-enable;
+ power-source = <0>;
+ };
+
+ tc9563_rsex_n: tc9563-resx-state {
+ pins = "gpio1";
+ function = "normal";
+
+ bias-disable;
+ input-disable;
+ output-enable;
+ power-source = <0>;
+ };
+};
+
&tlmm {
gpio-reserved-ranges = <32 2>, /* ADSP */
<48 4>; /* NFC */
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 4b04dea57ec8cc652e37f1d93c410404adaadd5d..23cf2c8c72b0bab67467e4b60cd57a3e658efa68 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2424,7 +2424,7 @@ pcie1: pcie@...8000 {
status = "disabled";
- pcie@0 {
+ pcie1_port0: pcie@0 {
device_type = "pci";
reg = <0x0 0x0 0x0 0x0 0x0>;
bus-range = <0x01 0xff>;
--
2.34.1
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