[PATCH v3 8/8] arm64: dts: qcom: qcs8300: enable pcie1 for qcs8300 platform
Ziyue Zhang
quic_ziyuzhan at quicinc.com
Thu Dec 19 21:52:39 PST 2024
Add configurations in devicetree for PCIe1, board related gpios,
PMIC regulators, etc.
Signed-off-by: Ziyue Zhang <quic_ziyuzhan at quicinc.com>
---
arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 40 +++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
index fe3200914f79..d4b0488a2e23 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
@@ -213,6 +213,23 @@ &pcie0_phy {
status = "okay";
};
+&pcie1 {
+ perst-gpios = <&tlmm 23 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-0 = <&pcie1_default_state>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie1_phy {
+ vdda-phy-supply = <&vreg_l6a>;
+ vdda-pll-supply = <&vreg_l5a>;
+
+ status = "okay";
+};
+
&qupv3_id_0 {
status = "okay";
};
@@ -255,6 +272,29 @@ perst-pins {
bias-pull-down;
};
};
+
+ pcie1_default_state: pcie1-default-state {
+ wake-pins {
+ pins = "gpio21";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ clkreq-pins {
+ pins = "gpio22";
+ function = "pcie1_clkreq";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ perst-pins {
+ pins = "gpio23";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
};
&uart7 {
--
2.34.1
More information about the linux-phy
mailing list