[PATCH 4/6] ARM: dts: qcom: sdx55-fn980: Enable PCIe EP

From: Manivannan Sadhasivam
Date: Fri Nov 26 2021 - 02:09:45 EST


Enable PCIe Endpoint controller on the Telit FN980 TLB board based
on Qualcomm SDX55 platform.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
.../boot/dts/qcom-sdx55-telit-fn980-tlb.dts | 46 +++++++++++++++++++
1 file changed, 46 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
index e8b5327afbe7..01ac91738f34 100644
--- a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
+++ b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
@@ -243,6 +243,14 @@ &pcie0_phy {
vdda-pll-supply = <&vreg_l4e_bb_0p875>;
};

+&pcie_ep {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_ep_clkreq_default &pcie_ep_perst_default
+ &pcie_ep_wake_default>;
+};
+
&qpic_bam {
status = "ok";
};
@@ -267,6 +275,44 @@ &remoteproc_mpss {
memory-region = <&mpss_adsp_mem>;
};

+&tlmm {
+ pcie_ep_clkreq_default: pcie_ep_clkreq_default {
+ mux {
+ pins = "gpio56";
+ function = "pcie_clkreq";
+ };
+ config {
+ pins = "gpio56";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
+ pcie_ep_perst_default: pcie_ep_perst_default {
+ mux {
+ pins = "gpio57";
+ function = "gpio";
+ };
+ config {
+ pins = "gpio57";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
+
+ pcie_ep_wake_default: pcie_ep_wake_default {
+ mux {
+ pins = "gpio53";
+ function = "gpio";
+ };
+ config {
+ pins = "gpio53";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+};
+
&usb_hsphy {
status = "okay";
vdda-pll-supply = <&vreg_l4e_bb_0p875>;
--
2.25.1