u-boot/arch/arm/include/asm/arch-tegra/xusb-padctl.h
Simon Glass be7890927a dm: tegra: Convert USB setup to livetree
Adjust this code to support a live device tree. This should be implemented
as a PHY driver but that is left as an exercise for the maintainer.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
2017-07-28 12:02:47 -06:00

24 lines
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C

#ifndef _TEGRA_XUSB_PADCTL_H_
#define _TEGRA_XUSB_PADCTL_H_
struct tegra_xusb_phy;
/**
* tegra_xusb_phy_get() - obtain a reference to a specified padctl PHY
* @type: the type of PHY to obtain
*
* The type of PHY varies between SoC generations. Typically there are XUSB,
* PCIe and SATA PHYs, though not all generations support all of them. The
* value of type can usually be directly parsed from a device tree.
*
* Return: a pointer to the PHY or NULL if no such PHY exists
*/
struct tegra_xusb_phy *tegra_xusb_phy_get(unsigned int type);
void tegra_xusb_padctl_init(void);
int tegra_xusb_phy_prepare(struct tegra_xusb_phy *phy);
int tegra_xusb_phy_enable(struct tegra_xusb_phy *phy);
int tegra_xusb_phy_disable(struct tegra_xusb_phy *phy);
int tegra_xusb_phy_unprepare(struct tegra_xusb_phy *phy);
#endif