diff options
| author | Igor Opaniuk <igor.opaniuk@toradex.com> | 2020-09-30 16:42:38 +0300 |
|---|---|---|
| committer | Andrejs Cainikovs <andrejs.cainikovs@toradex.com> | 2022-07-20 14:55:33 +0200 |
| commit | 40f30ddbda5c99eabf9f2760fc12ee630700f24b (patch) | |
| tree | 0beca84a34fbc963bef2c37a0db43846bb8e9143 /drivers/usb | |
| parent | fd021b41a5d6d50237f75334fa8d86ce81591cd7 (diff) | |
usb: gadget: ci_udc: introduce board_ci_udc_phy_mode
Introduce board_ci_udc_phy_mode() weak function which provides
opportunity to re-define the logic of OTG role detection, and use board
specific way of generation of USB cable states (for example,
when USB ID pin is connected to a GPIO pin).
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
(cherry picked from commit 3007faba2321fd89ba7afe7e6b184c1c4defcbb8)
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/ci_udc.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index 5f8fc7d651..318f746b05 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -1357,21 +1357,22 @@ static int ci_udc_otg_clk_init(struct udevice *dev, return 0; } -static int ci_udc_otg_phy_mode(struct udevice *dev) +int __weak board_ci_udc_phy_mode(void *__iomem phy_base, int phy_off) { - struct ci_udc_priv_data *priv = dev_get_priv(dev); - void *__iomem phy_ctrl, *__iomem phy_status; - void *__iomem phy_base = (void *__iomem)devfdt_get_addr(&priv->otgdev); u32 val; if (is_mx6() || is_mx7ulp() || is_imx8() || is_imx8ulp()) { + printf("We are in is_imx8\n"); phy_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, - priv->phy_off, + phy_off, "reg", 0, NULL, false); - if ((fdt_addr_t)phy_base == FDT_ADDR_T_NONE) + if ((fdt_addr_t)phy_base == FDT_ADDR_T_NONE) { + printf("(fdt_addr_t)phy_base == fdt_addr_t_none)\n"); return -EINVAL; + } + printf("Getting phy ctrl\n"); phy_ctrl = (void __iomem *)(phy_base + USBPHY_CTRL); val = readl(phy_ctrl); if (val & USBPHY_CTRL_OTG_ID) @@ -1391,6 +1392,15 @@ static int ci_udc_otg_phy_mode(struct udevice *dev) } } + +static int ci_udc_otg_phy_mode(struct udevice *dev) +{ + struct ci_udc_priv_data *priv = dev_get_priv(dev); + + void *__iomem phy_base = (void *__iomem)devfdt_get_addr(&priv->otgdev); + return board_ci_udc_phy_mode(phy_base, priv->phy_off); +} + static int ci_udc_otg_ofdata_to_platdata(struct udevice *dev) { struct ci_udc_priv_data *priv = dev_get_priv(dev); |