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phy: omap-usb2: use *syscon* framework API to power on/off the PHY

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Deprecate using phy-omap-control driver to power on/off the PHY,
and use *syscon* framework to do the same. This handles
powering on/off the PHY for the USB2 PHYs used in various TI SoCs.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Kishon Vijay Abraham I
2015-12-21 14:24:13 +05:30
parent 86c574e4bc
commit 9955a7835b
3 changed files with 105 additions and 18 deletions
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23
include/linux/phy/omap_usb.h
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@@ -30,6 +30,12 @@ struct usb_dpll_params {
u32 mf;
};
enum omap_usb_phy_type {
TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
};
struct omap_usb {
struct usb_phy phy;
struct phy_companion *comparator;
@@ -40,11 +46,20 @@ struct omap_usb {
struct clk *wkupclk;
struct clk *optclk;
u8 flags;
enum omap_usb_phy_type type;
struct regmap *syscon_phy_power; /* ctrl. reg. acces */
unsigned int power_reg; /* power reg. index within syscon */
u32 mask;
u32 power_on;
u32 power_off;
};
struct usb_phy_data {
const char *label;
u8 flags;
u32 mask;
u32 power_on;
u32 power_off;
};
/* Driver Flags */
@@ -52,6 +67,14 @@ struct usb_phy_data {
#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
#define OMAP_DEV_PHY_PD BIT(0)
#define OMAP_USB2_PHY_PD BIT(28)
#define AM437X_USB2_PHY_PD BIT(0)
#define AM437X_USB2_OTG_PD BIT(1)
#define AM437X_USB2_OTGVDET_EN BIT(19)
#define AM437X_USB2_OTGSESSEND_EN BIT(20)
#define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
#if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)