this patch adds support for PCIe3 (M.2 M key) and enables NVMe.
=> pci BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ 00.00.00 0x1d87 0x3588 Bridge device 0x04 01.00.00 0x10ec 0x8125 Network controller 0x00 02.00.00 0x1d87 0x3588 Bridge device 0x04 03.00.00 0x1179 0x011a Mass storage controller 0x08 => nvme scan => nvme info Device 0: Vendor: 0x1179 Rev: AGHA4101 Prod: 79CA20WPKRYN Type: Hard Disk Capacity: 488386.3 MB = 476.9 GB (1000215216 x 512)
Signed-off-by: FUKAUMI Naoki naoki@radxa.com
this patch depends: - "rockchip: rk3568: Fix use of PCIe bifurcation" [1] [1] https://patchwork.ozlabs.org/project/uboot/list/?series=366997 --- arch/arm/dts/rk3588-rock-5b-u-boot.dtsi | 33 +++++++++++++++++++++++++ configs/rock5b-rk3588_defconfig | 1 + 2 files changed, 34 insertions(+)
diff --git a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi index 1b2fcbb0bb..c790894170 100644 --- a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi +++ b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi @@ -27,6 +27,19 @@ 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 = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>; + startup-delay-us = <5000>; + vin-supply = <&vcc5v0_sys>; + pinctrl-names = "default"; + pinctrl-0 = <&pcie3_vcc3v3_en>; + }; + vcc5v0_usbdcin: vcc5v0-usbdcin { compatible = "regulator-fixed"; regulator-name = "vcc5v0_usbdcin"; @@ -87,6 +100,18 @@ status = "okay"; };
+&pcie30phy { + status = "okay"; +}; + +&pcie3x4 { + reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply = <&vcc3v3_pcie30>; + pinctrl-names = "default"; + pinctrl-0 = <&pcie3_rst>; + status = "okay"; +}; + &pinctrl { pcie { pcie_reset_h: pcie-reset-h { @@ -97,6 +122,14 @@ rockchip,pins = <3 RK_PC7 4 &pcfg_pull_none>, <3 RK_PD0 4 &pcfg_pull_none>; }; + + 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 { diff --git a/configs/rock5b-rk3588_defconfig b/configs/rock5b-rk3588_defconfig index 3fa65cbf9b..50551c70f2 100644 --- a/configs/rock5b-rk3588_defconfig +++ b/configs/rock5b-rk3588_defconfig @@ -81,6 +81,7 @@ CONFIG_SPI_FLASH_XTX=y CONFIG_ETH_DESIGNWARE=y CONFIG_RTL8169=y CONFIG_GMAC_ROCKCHIP=y +CONFIG_NVME_PCI=y CONFIG_PCIE_DW_ROCKCHIP=y CONFIG_PHY_ROCKCHIP_INNO_USB2=y CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y