diff options
| author | Meng Dongyang <daniel.meng@rock-chips.com> | 2017-06-01 19:22:45 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-06-07 07:29:25 -0600 |
| commit | d3cb14b910aafd6cc64b49dc26874bf6ab449b98 (patch) | |
| tree | dca24713e1a8e223084e11cc130c226b832e0cb8 /drivers | |
| parent | 2d1951fec6bd7dc50963043f24ae73a86b4292e1 (diff) | |
rockchip: usb: host: xhci-rockchip: add support for rk3328
Add the compatible "rockchip,rk3328-xhci" in match table
for rk3328 to probe xhci controller. Use fixed regulator
to control the voltage of vbus and turn off vbus when
usb stop.
Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-rockchip.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c index 38e1c68db7..c4ae55fc39 100644 --- a/drivers/usb/host/xhci-rockchip.c +++ b/drivers/usb/host/xhci-rockchip.c @@ -11,10 +11,10 @@ #include <malloc.h> #include <usb.h> #include <watchdog.h> -#include <asm/gpio.h> #include <linux/errno.h> #include <linux/compat.h> #include <linux/usb/dwc3.h> +#include <power/regulator.h> #include "xhci.h" @@ -23,7 +23,7 @@ DECLARE_GLOBAL_DATA_PTR; struct rockchip_xhci_platdata { fdt_addr_t hcd_base; fdt_addr_t phy_base; - struct gpio_desc vbus_gpio; + struct udevice *vbus_supply; }; /* @@ -66,11 +66,13 @@ static int xhci_usb_ofdata_to_platdata(struct udevice *dev) return -ENXIO; } - /* Vbus gpio */ - ret = gpio_request_by_name(dev, "rockchip,vbus-gpio", 0, - &plat->vbus_gpio, GPIOD_IS_OUT); +#if defined(CONFIG_DM_USB) && defined(CONFIG_DM_REGULATOR) + /* Vbus regulator */ + ret = device_get_supply_regulator(dev, "vbus-supply", + &plat->vbus_supply); if (ret) - debug("rockchip,vbus-gpio node missing!"); + debug("Can't get vbus supply\n"); +#endif return 0; } @@ -153,9 +155,11 @@ static int xhci_usb_probe(struct udevice *dev) hcor = (struct xhci_hcor *)((uint64_t)ctx->hcd + HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase))); - /* setup the Vbus gpio here */ - if (dm_gpio_is_valid(&plat->vbus_gpio)) - dm_gpio_set_value(&plat->vbus_gpio, 1); +#if defined(CONFIG_DM_USB) && defined(CONFIG_DM_REGULATOR) + ret = regulator_set_enable(plat->vbus_supply, true); + if (ret) + debug("XHCI: Failed to enable vbus supply\n"); +#endif ret = rockchip_xhci_core_init(ctx, dev); if (ret) { @@ -168,6 +172,7 @@ static int xhci_usb_probe(struct udevice *dev) static int xhci_usb_remove(struct udevice *dev) { + struct rockchip_xhci_platdata *plat = dev_get_platdata(dev); struct rockchip_xhci *ctx = dev_get_priv(dev); int ret; @@ -178,11 +183,18 @@ static int xhci_usb_remove(struct udevice *dev) if (ret) return ret; +#if defined(CONFIG_DM_USB) && defined(CONFIG_DM_REGULATOR) + ret = regulator_set_enable(plat->vbus_supply, false); + if (ret) + debug("XHCI: Failed to disable vbus supply\n"); +#endif + return 0; } static const struct udevice_id xhci_usb_ids[] = { { .compatible = "rockchip,rk3399-xhci" }, + { .compatible = "rockchip,rk3328-xhci" }, { } }; @@ -202,6 +214,7 @@ U_BOOT_DRIVER(usb_xhci) = { static const struct udevice_id usb_phy_ids[] = { { .compatible = "rockchip,rk3399-usb3-phy" }, + { .compatible = "rockchip,rk3328-usb3-phy" }, { } }; |