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arm64: dts: rockchip: add PCIe for M.2 M-key to rock-5b

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The Radxa Rock 5B has PCIe 3x4 routed to its M.2 M-key connector
on the board's back.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230918141451.131247-3-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Sebastian Reichel
2023-09-18 16:14:50 +02:00
committed by Heiko Stuebner
parent 42145b7a82
commit 199cbd5f19
1 changed files with 35 additions and 0 deletions
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arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+35
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@@ -53,6 +53,19 @@
vin-supply = <&vcc_3v3_s3>;
};
vcc3v3_pcie30: vcc3v3-pcie30-regulator {
compatible = "regulator-fixed";
enable-active-high;
gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pcie3_vcc3v3_en>;
regulator-name = "vcc3v3_pcie30";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
startup-delay-us = <5000>;
vin-supply = <&vcc5v0_sys>;
};
vcc5v0_host: vcc5v0-host-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_host";
@@ -225,6 +238,18 @@
status = "okay";
};
&pcie30phy {
status = "okay";
};
&pcie3x4 {
pinctrl-names = "default";
pinctrl-0 = <&pcie3_rst>;
reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
vpcie3v3-supply = <&vcc3v3_pcie30>;
status = "okay";
};
&pinctrl {
hym8563 {
hym8563_int: hym8563-int {
@@ -244,6 +269,16 @@
};
};
pcie3 {
pcie3_rst: pcie3-rst {
rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
};
pcie3_vcc3v3_en: pcie3-vcc3v3-en {
rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
usb {
vcc5v0_host_en: vcc5v0-host-en {
rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;