From da447ec387800bdf2df1fb1d8c1522991d025952 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Mon, 18 Sep 2023 16:14:51 +0200 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20230918141451.131247-4-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner --- .../boot/dts/rockchip/rk3588-rock-5b.dts | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts @@ -43,6 +43,21 @@ #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"; @@ -103,6 +118,10 @@ status = "okay"; }; +&combphy1_ps { + status = "okay"; +}; + &cpu_b0 { cpu-supply = <&vdd_cpu_big0_s0>; }; @@ -229,6 +248,14 @@ }; }; +&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>; @@ -263,6 +290,14 @@ }; 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>; };