From 46bb398ea1d81302e3735087ceb4b5763d5afc29 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Mon, 18 Sep 2023 16:13:27 +0200 Subject: [PATCH] arm64: dts: rockchip: add PCIe3 bus to rk3588-evb1 Enable PCIe3 support, which is exposed via a PCIe3 connector. Signed-off-by: Sebastian Reichel Link: https://lore.kernel.org/r/20230918141327.131108-3-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner --- .../boot/dts/rockchip/rk3588-evb1-v10.dts | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) --- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts @@ -48,6 +48,26 @@ vin-supply = <&avcc_1v8_s0>; }; + pcie30_avdd0v75: pcie30-avdd0v75-regulator { + compatible = "regulator-fixed"; + regulator-name = "pcie30_avdd0v75"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <750000>; + vin-supply = <&avdd_0v75_s0>; + }; + + pcie30_avdd1v8: pcie30-avdd1v8-regulator { + compatible = "regulator-fixed"; + regulator-name = "pcie30_avdd1v8"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&avcc_1v8_s0>; + }; + vcc12v_dcin: vcc12v-dcin-regulator { compatible = "regulator-fixed"; regulator-name = "vcc12v_dcin"; @@ -57,6 +77,19 @@ regulator-max-microvolt = <12000000>; }; + vcc3v3_pcie30: vcc3v3-pcie30-regulator { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_pcie30"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + gpios = <&gpio3 RK_PC3 GPIO_ACTIVE_HIGH>; + startup-delay-us = <5000>; + vin-supply = <&vcc12v_dcin>; + pinctrl-names = "default"; + pinctrl-0 = <&vcc3v3_pcie30_en>; + }; + vcc5v0_host: vcc5v0-host-regulator { compatible = "regulator-fixed"; regulator-name = "vcc5v0_host"; @@ -193,6 +226,18 @@ status = "okay"; }; +&pcie30phy { + status = "okay"; +}; + +&pcie3x4 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie3_reset>; + reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply = <&vcc3v3_pcie30>; + status = "okay"; +}; + &pinctrl { rtl8111 { rtl8111_isolate: rtl8111-isolate { @@ -219,6 +264,16 @@ }; }; + pcie3 { + pcie3_reset: pcie3-reset { + rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>; + }; + + vcc3v3_pcie30_en: vcc3v3-pcie30-en { + rockchip,pins = <3 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + usb { vcc5v0_host_en: vcc5v0-host-en { rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;