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authorNicolas Frattaroli <nicolas.frattaroli@collabora.com>2025-06-21 16:37:55 +0200
committerHeiko Stuebner <heiko@sntech.de>2025-06-30 11:35:51 +0200
commit29ff4bbff793334d6aff2238fdc3ccf3859d60da (patch)
treef7f3d02a15e8be8f9491b599a6e0cef961657ef4
parentf9f45293f0d8bdc5e2d0d255cafa0acdb2c94616 (diff)
downloadlinux-29ff4bbff793334d6aff2238fdc3ccf3859d60da.tar.gz
linux-29ff4bbff793334d6aff2238fdc3ccf3859d60da.zip
arm64: dts: rockchip: enable PCIe on ROCK 4D
The RADXA ROCK 4D board has a PCIe controller connected to a flat flex connector, compatible with the one the RPi5 uses. Enable the associated combphy and pcie controller node, as well as add the remaining pinctrl definition for the reset. Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com> Link: https://lore.kernel.org/r/20250621-rk3576-rock4d-pcie-v1-1-2b33c9f12955@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
index 6756403111e7..0388d72076bf 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
@@ -194,6 +194,10 @@
};
};
+&combphy0_ps {
+ status = "okay";
+};
+
&combphy1_psu {
status = "okay";
};
@@ -652,6 +656,14 @@
};
};
+&pcie0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_reset>;
+ reset-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc_3v3_pcie>;
+ status = "okay";
+};
+
&pinctrl {
hym8563 {
hym8563_int: hym8563-int {
@@ -678,6 +690,9 @@
pcie_pwren: pcie-pwren {
rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
};
+ pcie_reset: pcie-reset {
+ rockchip,pins = <2 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
};
usb {