[PATCH v2 09/13] ARM: dts: qcom: sdx55-t55: Enable PCIe RC support

Manivannan Sadhasivam
2023-02-24T11:01:28Z

Enable PCIe RC support on Thundercomm T55 board.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
arch/arm/boot/dts/qcom-sdx55-t55.dts | 42 ++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-sdx55-t55.dts b/arch/arm/boot/dts/qcom-sdx55-t55.dts
index 7ed8feb99afb..6339af791b0b 100644
--- a/arch/arm/boot/dts/qcom-sdx55-t55.dts
+++ b/arch/arm/boot/dts/qcom-sdx55-t55.dts
@@ -242,6 +242,23 @@ &ipa {
memory-region = <&ipa_fw_mem>;
};

+&pcie_phy {
+ vdda-phy-supply = <&vreg_l1e_bb_1p2>;
+ vdda-pll-supply = <&vreg_l4e_bb_0p875>;
+
+ status = "okay";
+};
+
+&pcie_rc {
+ perst-gpios = <&tlmm 57 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 53 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-0 = <&pcie_default>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
&qpic_bam {
status = "ok";
};
@@ -265,6 +282,31 @@ &remoteproc_mpss {
memory-region = <&mpss_adsp_mem>;
};

+&tlmm {
+ pcie_default: pcie-default-state {
+ clkreq-pins {
+ pins = "gpio56";
+ function = "pcie_clkreq";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ perst-pins {
+ pins = "gpio57";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ wake-pins {
+ pins = "gpio53";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+};
+
&usb_hsphy {
status = "okay";
vdda-pll-supply = <&vreg_l4e_bb_0p875>;
--
2.25.1