+- PINE64 (https://forum.pine64.org)
+-- Forum: ROCKPRO64 (https://forum.pine64.org/forumdisplay.php?fid=98)
+--- Forum: Linux on RockPro64 (https://forum.pine64.org/forumdisplay.php?fid=101)
+--- Thread: linux-4.20 PCIe Fixup (/showthread.php?tid=6824)
linux-4.20 PCIe Fixup - ddimension - 11-17-2018
Hi,
for those of you testing the PCIe port of the rockpro64, you should apply the attached patch:
Code:
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 1d35f5406b5e..b59b05ea1dc5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -97,7 +97,7 @@
vcc3v3_pcie: vcc3v3-pcie-regulator {
compatible = "regulator-fixed";
enable-active-high;
- gpio = <&gpio1 RK_PC1 GPIO_ACTIVE_HIGH>;
+ gpio = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pcie_pwr_en>;
regulator-name = "vcc3v3_pcie";
@@ -690,3 +690,18 @@
&vopl_mmu {
status = "okay";
};
+
+&pcie_phy {
+ status = "okay";
+};
+
+&pcie0 {
+ ep-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH>;
+ num-lanes = <4>;
+ max-link-speed = <2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_clkreqn_cpm>;
+ vpcie3v3-supply = <&vcc3v3_pcie>;
+ status = "okay";
+};
+Have fun!