The popmetal board using a HOST_VBUS_DRV gpio signal to control the USB host port 5V power, add a fix regulator and pinctrl for it, and enable the USB host1 controller at the same time.

Signed-off-by: Kever Yang kever.yang@rock-chips.com ---

arch/arm/dts/rk3288-popmetal.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)

diff --git a/arch/arm/dts/rk3288-popmetal.dtsi b/arch/arm/dts/rk3288-popmetal.dtsi index f3bd468..4382860 100644 --- a/arch/arm/dts/rk3288-popmetal.dtsi +++ b/arch/arm/dts/rk3288-popmetal.dtsi @@ -145,6 +145,18 @@ regulator-always-on; vin-supply = <&vcc_io>; }; + + vcc5v0_host: usb-host-regulator { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&host_vbus_drv>; + regulator-name = "vcc5v0_host"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; };

&cpu0 { @@ -471,6 +483,12 @@ rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>; }; }; + + usb_host { + host_vbus_drv: host-vbus-drv { + rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; };

&tsadc { @@ -515,6 +533,10 @@ status = "okay"; };

+&usb_host1 { + status = "okay"; +}; + &usbphy { status = "okay"; };

RK3288 using the dwc2 USB host controller, enable it and other usb host funtion like storage and ether.

Signed-off-by: Kever Yang kever.yang@rock-chips.com ---

configs/popmetal-rk3288_defconfig | 3 +++ include/configs/rk3288_common.h | 7 +++++++ 2 files changed, 10 insertions(+)

diff --git a/configs/popmetal-rk3288_defconfig b/configs/popmetal-rk3288_defconfig index 1e70ae0..a2d1d65 100644 --- a/configs/popmetal-rk3288_defconfig +++ b/configs/popmetal-rk3288_defconfig @@ -63,3 +63,6 @@ CONFIG_USE_TINY_PRINTF=y CONFIG_CMD_DHRYSTONE=y CONFIG_ERRNO_STR=y CONFIG_ROCKCHIP_SPL_BACK_TO_BROM=y +CONFIG_CMD_USB=y +CONFIG_USB=y +CONFIG_USB_STORAGE=y diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h index 0868612..8006aac 100644 --- a/include/configs/rk3288_common.h +++ b/include/configs/rk3288_common.h @@ -90,6 +90,13 @@ #define CONFIG_G_DNL_VENDOR_NUM 0x2207 #define CONFIG_G_DNL_PRODUCT_NUM 0x320a

+/* usb host support */ +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_DWC2 +#define CONFIG_USB_HOST_ETHER +#define CONFIG_USB_ETHER_SMSC95XX +#define CONFIG_USB_ETHER_ASIX +#endif #define ENV_MEM_LAYOUT_SETTINGS \ "scriptaddr=0x00000000\0" \ "pxefile_addr_r=0x00100000\0" \

Enable the usb host port 5V power by enable the fix regulator. The PopMetal board have a on board FE1.1 usb 2.0 hub which connect to the usb host port, we need to de-assert its reset pin at the same time.

Signed-off-by: Kever Yang kever.yang@rock-chips.com ---

board/chipspark/popmetal_rk3288/popmetal-rk3288.c | 31 +++++++++++++++++++++++ 1 file changed, 31 insertions(+)

diff --git a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c index aad74ef..6f5d3a8c 100644 --- a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c +++ b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c @@ -6,6 +6,8 @@

#include <common.h> #include <spl.h> +#include <asm/gpio.h> +#include <power/regulator.h>

void board_boot_order(u32 *spl_boot_list) { @@ -13,3 +15,32 @@ void board_boot_order(u32 *spl_boot_list) spl_boot_list[0] = BOOT_DEVICE_MMC2; spl_boot_list[1] = BOOT_DEVICE_MMC1; } + +#define GPIO7A3_HUB_RST 227 + +int rk_board_late_init(void) +{ + int ret; + struct udevice *regulator; + + ret = regulator_get_by_platname("vcc5v0_host", &regulator); + if (ret) { + printf("%s vcc5v0_host init fail! ret %d\n", __func__, ret); + goto out; + } + + ret = regulator_set_enable(regulator, true); + if (ret) { + printf("%s vcc5v0-host enable fail!\n", __func__); + goto out; + } + + gpio_request(GPIO7A3_HUB_RST, "hub_rst"); + gpio_direction_output(GPIO7A3_HUB_RST, 1); + + return 0; +out: + printf("%s init error %x\n", __func__, ret); + + return ret; +}