[PATCH v2 06/12] arm64: dts: qcom: sc8280xp-crd: limit pcie4 link speed

Johan Hovold
2024-02-23T15:23:06Z

Limit the WiFi PCIe link speed to Gen2 speed (500 MB/s), which is the
speed that Windows uses.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index ffc4406422ae..41215567b3ae 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -563,6 +563,8 @@ &pcie3a_phy {
};

&pcie4 {
+ max-link-speed = <2>;
+
perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 139 GPIO_ACTIVE_LOW>;

--
2.43.0