From: Uwe Kleine-König Date: Mon, 10 May 2021 11:09:32 +0200 Subject: arm64: dts: rockchip: Add support for PCIe on helios64 Origin: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/patch/?id=5a65adfa2ad1542f856fc7de3999d51f3a35d2e2 This is enough to make the SATA controller visible: # lspci 00:00.0 PCI bridge: Fuzhou Rockchip Electronics Co., Ltd RK3399 PCI Express Root Port 01:00.0 SATA controller: JMicron Technology Corp. JMB58x AHCI SATA controller Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20210510090932.970447-1-uwe@kleine-koenig.org Signed-off-by: Heiko Stuebner --- .../dts/rockchip/rk3399-kobol-helios64.dts | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts index 9d4a0885fd12..037dc5cdc3f3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts @@ -23,6 +23,16 @@ aliases { mmc1 = &sdhci; }; + avdd_0v9_s0: avdd-0v9-s0 { + compatible = "regulator-fixed"; + regulator-name = "avdd_0v9_s0"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + vin-supply = <&vcc1v8_sys_s3>; + }; + avdd_1v8_s0: avdd-1v8-s0 { compatible = "regulator-fixed"; regulator-name = "avdd_1v8_s0"; @@ -72,6 +82,18 @@ led-1 { }; }; + pcie_power: pcie-power { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>; + pinctrl-0 = <&pcie_pwr>; + pinctrl-names = "default"; + regulator-boot-on; + regulator-name = "pcie_power"; + startup-delay-us = <10000>; + vin-supply = <&vcc5v0_perdev>; + }; + vcc1v8_sys_s0: vcc1v8-sys-s0 { compatible = "regulator-fixed"; regulator-name = "vcc1v8_sys_s0"; @@ -109,6 +131,16 @@ regulator-state-mem { }; }; + vcc5v0_perdev: vcc5v0-perdev { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_perdev"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&vcc12v_dcin_bkup>; + }; + vcc5v0_sys: vcc5v0-sys { compatible = "regulator-fixed"; regulator-name = "vcc5v0_sys"; @@ -331,6 +363,20 @@ &io_domains { status = "okay"; }; +&pcie_phy { + status = "okay"; +}; + +&pcie0 { + num-lanes = <2>; + status = "okay"; + + vpcie12v-supply = <&vcc12v_dcin>; + vpcie3v3-supply = <&pcie_power>; + vpcie1v8-supply = <&avdd_1v8_s0>; + vpcie0v9-supply = <&avdd_0v9_s0>; +}; + &pinctrl { gmac { gphy_reset: gphy-reset { @@ -348,6 +394,13 @@ sys_red_led_on: sys-red-led-on { }; }; + pcie { + pcie_pwr: pcie-pwr { + rockchip,pins = + <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + pmic { pmic_int_l: pmic-int-l { rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>; -- 2.30.2