diff options
| author | Icenowy Zheng <icenowy@aosc.io> | 2018-10-04 15:28:47 +0300 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2018-12-12 07:31:29 +0300 |
| commit | 2659392e5c08dff626e6db1d739adff58a94604d (patch) | |
| tree | 316af960cc6103f4c849c61d41a482fcdceb346e /drivers | |
| parent | 1726ea907a7f52d66560ccdb7d0c4da8a6094c14 (diff) | |
| download | linux-2659392e5c08dff626e6db1d739adff58a94604d.tar.xz | |
phy: sun4i-usb: add support for missing USB PHY index
The new Allwinner H6 SoC's USB2 PHY has two holes -- USB1 (which is a
3.0 port with dedicated PHY) and USB2 (which doesn't exist at all).
Add support for this kind of missing USB PHY index.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/phy/allwinner/phy-sun4i-usb.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index d4dcd39b8d76..881078ff73f6 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -126,6 +126,7 @@ struct sun4i_usb_phy_cfg { bool dedicated_clocks; bool enable_pmu_unk1; bool phy0_dual_route; + int missing_phys; }; struct sun4i_usb_phy_data { @@ -646,6 +647,9 @@ static struct phy *sun4i_usb_phy_xlate(struct device *dev, if (args->args[0] >= data->cfg->num_phys) return ERR_PTR(-ENODEV); + if (data->cfg->missing_phys & BIT(args->args[0])) + return ERR_PTR(-ENODEV); + return data->phys[args->args[0]].phy; } @@ -741,6 +745,9 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) struct sun4i_usb_phy *phy = data->phys + i; char name[16]; + if (data->cfg->missing_phys & BIT(i)) + continue; + snprintf(name, sizeof(name), "usb%d_vbus", i); phy->vbus = devm_regulator_get_optional(dev, name); if (IS_ERR(phy->vbus)) { |