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authorSebastian Reichel <sebastian.reichel@collabora.com>2023-09-18 16:14:51 +0200
committerHeiko Stuebner <heiko@sntech.de>2023-10-04 23:09:05 +0200
commitda447ec387800bdf2df1fb1d8c1522991d025952 (patch)
tree6b0e95b888dd902fcf2362237782bc8209330f00 /arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
parent199cbd5f195adbc0e70ad218cdba82f45750f11b (diff)
arm64: dts: rockchip: add PCIe for M.2 E-Key to rock-5b
Enable PCIe2_0 controller and its voltage supply, which is routed to the M.2 E-Key on the upper side of the Radxa Rock 5B. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20230918141451.131247-4-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts')
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 6e52b5cf49a9..947a5ebe5bb3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -44,6 +44,21 @@
#cooling-cells = <2>;
};
+ vcc3v3_pcie2x1l0: vcc3v3-pcie2x1l0-regulator {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie2_0_vcc3v3_en>;
+ regulator-name = "vcc3v3_pcie2x1l0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ startup-delay-us = <50000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_pcie2x1l2";
@@ -104,6 +119,10 @@
status = "okay";
};
+&combphy1_ps {
+ status = "okay";
+};
+
&cpu_b0 {
cpu-supply = <&vdd_cpu_big0_s0>;
};
@@ -230,6 +249,14 @@
};
};
+&pcie2x1l0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie2_0_rst>;
+ reset-gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc3v3_pcie2x1l0>;
+ status = "okay";
+};
+
&pcie2x1l2 {
pinctrl-names = "default";
pinctrl-0 = <&pcie2_2_rst>;
@@ -264,6 +291,14 @@
};
pcie2 {
+ pcie2_0_rst: pcie2-0-rst {
+ rockchip,pins = <4 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ pcie2_0_vcc3v3_en: pcie2-0-vcc-en {
+ rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
pcie2_2_rst: pcie2-2-rst {
rockchip,pins = <3 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
};