Commit 199cbd5f authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Heiko Stuebner
Browse files

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



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

Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230918141451.131247-3-sebastian.reichel@collabora.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 42145b7a

arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts

+35 −0
Original line number Diff line number Diff line
@@ -53,6 +53,19 @@ vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2-regulator { 
		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 @@ &pcie2x1l2 { 
	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 @@ pcie2_2_rst: pcie2-2-rst { 
		};

	};



	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>;