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phy: Add Tegra XUSB pad controller support

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Add a new driver for the XUSB pad controller found on NVIDIA Tegra SoCs.
This hardware block used to be exposed as a pin controller, but it turns
out that this isn't a good fit. The new driver and DT binding much more
accurately describe the hardware and are more flexible in supporting new
SoC generations.

Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2015-11-11 18:24:21 +01:00
parent d6f83c1b1d
commit 53d2a715c2
9 changed files with 3245 additions and 16 deletions
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20
drivers/pinctrl/tegra/pinctrl-tegra-xusb.c
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@@ -873,7 +873,7 @@ static const struct of_device_id tegra_xusb_padctl_of_match[] = {
};
MODULE_DEVICE_TABLE(of, tegra_xusb_padctl_of_match);
static int tegra_xusb_padctl_probe(struct platform_device *pdev)
int tegra_xusb_padctl_legacy_probe(struct platform_device *pdev)
{
struct tegra_xusb_padctl *padctl;
const struct of_device_id *match;
@@ -955,8 +955,9 @@ reset:
reset_control_assert(padctl->rst);
return err;
}
EXPORT_SYMBOL_GPL(tegra_xusb_padctl_legacy_probe);
static int tegra_xusb_padctl_remove(struct platform_device *pdev)
int tegra_xusb_padctl_legacy_remove(struct platform_device *pdev)
{
struct tegra_xusb_padctl *padctl = platform_get_drvdata(pdev);
int err;
@@ -969,17 +970,4 @@ static int tegra_xusb_padctl_remove(struct platform_device *pdev)
return err;
}
static struct platform_driver tegra_xusb_padctl_driver = {
.driver = {
.name = "tegra-xusb-padctl",
.of_match_table = tegra_xusb_padctl_of_match,
},
.probe = tegra_xusb_padctl_probe,
.remove = tegra_xusb_padctl_remove,
};
module_platform_driver(tegra_xusb_padctl_driver);
MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
MODULE_DESCRIPTION("Tegra 124 XUSB Pad Control driver");
MODULE_LICENSE("GPL v2");
EXPORT_SYMBOL_GPL(tegra_xusb_padctl_legacy_remove);