[PATCH v2 6/6] arm64: dts: qcom: sa8775p-ride: enable pcie nodes

Mrinmay Sarkar quic_msarkar at quicinc.com
Thu Jul 13 22:08:38 PDT 2023


Enable pcie0, pcie1 nodes and their respective phy's.

Signed-off-by: Mrinmay Sarkar <quic_msarkar at quicinc.com>
---
 arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 80 +++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
index b2aa160..d3b2ab0 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
+++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
@@ -552,6 +552,86 @@
 			bias-pull-down;
 		};
 	};
+
+	pcie0_default_state: pcie0-default {
+		perst {
+			pins = "gpio2";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+
+		clkreq {
+			pins = "gpio1";
+			function = "pcie0_clkreq";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		wake {
+			pins = "gpio0";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie1_default_state: pcie1-default {
+		perst {
+			pins = "gpio4";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+
+		clkreq {
+			pins = "gpio3";
+			function = "pcie1_clkreq";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		wake {
+			pins = "gpio5";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+};
+
+&pcie0 {
+	perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_default_state>;
+
+	status = "okay";
+};
+
+&pcie1 {
+	perst-gpios = <&tlmm 4 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 5 GPIO_ACTIVE_HIGH>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_default_state>;
+
+	status = "okay";
+};
+
+&pcie0_phy {
+	vdda-phy-supply = <&vreg_l5a>;
+	vdda-pll-supply = <&vreg_l1c>;
+
+	status = "okay";
+};
+
+&pcie1_phy {
+	vdda-phy-supply = <&vreg_l5a>;
+	vdda-pll-supply = <&vreg_l1c>;
+
+	status = "okay";
 };
 
 &uart10 {
-- 
2.7.4




More information about the linux-phy mailing list