[PATCH 04/12] arm64: dts: qcom: x1e80100-qcp: fix missing PCIe4 gpios

Johan Hovold
2024-07-22T09:55:20Z

Add the missing PCIe4 perst, wake and clkreq GPIOs and pin config.

Fixes: f9a9c11471da ("arm64: dts: qcom: x1e80100-qcp: Enable more support")
Cc: stable@vger.kernel.org # 6.9
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 29 +++++++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
index 998e5ea2f52e..786285af9f33 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
@@ -572,6 +572,12 @@ &mdss_dp3_phy {
};

&pcie4 {
+ perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
+
+ pinctrl-0 = <&pcie4_default>;
+ pinctrl-names = "default";
+
status = "okay";
};

@@ -665,6 +671,29 @@ nvme_reg_en: nvme-reg-en-state {
bias-disable;
};

+ pcie4_default: pcie4-default-state {
+ clkreq-n-pins {
+ pins = "gpio147";
+ function = "pcie4_clk";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio146";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ wake-n-pins {
+ pins = "gpio148";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
pcie6a_default: pcie6a-default-state {
clkreq-n-pins {
pins = "gpio153";
--
2.44.2