hc
2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * omap_control_phy.h - Header file for the PHY part of control module.
 *
 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
 * Author: Kishon Vijay Abraham I <kishon@ti.com>
 */
 
#ifndef __OMAP_CONTROL_PHY_H__
#define __OMAP_CONTROL_PHY_H__
 
enum omap_control_phy_type {
   OMAP_CTRL_TYPE_OTGHS = 1,    /* Mailbox OTGHS_CONTROL */
   OMAP_CTRL_TYPE_USB2,    /* USB2_PHY, power down in CONTROL_DEV_CONF */
   OMAP_CTRL_TYPE_PIPE3,    /* PIPE3 PHY, DPLL & seperate Rx/Tx power */
   OMAP_CTRL_TYPE_PCIE,    /* RX TX control of ACSPCIE */
   OMAP_CTRL_TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
   OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
};
 
struct omap_control_phy {
   struct device *dev;
 
   u32 __iomem *otghs_control;
   u32 __iomem *power;
   u32 __iomem *power_aux;
   u32 __iomem *pcie_pcs;
 
   struct clk *sys_clk;
 
   enum omap_control_phy_type type;
};
 
enum omap_control_usb_mode {
   USB_MODE_UNDEFINED = 0,
   USB_MODE_HOST,
   USB_MODE_DEVICE,
   USB_MODE_DISCONNECT,
};
 
#define    OMAP_CTRL_DEV_PHY_PD        BIT(0)
 
#define    OMAP_CTRL_DEV_AVALID        BIT(0)
#define    OMAP_CTRL_DEV_BVALID        BIT(1)
#define    OMAP_CTRL_DEV_VBUSVALID        BIT(2)
#define    OMAP_CTRL_DEV_SESSEND        BIT(3)
#define    OMAP_CTRL_DEV_IDDIG        BIT(4)
 
#define    OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_MASK        0x003FC000
#define    OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_SHIFT    0xE
 
#define    OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK    0xFFC00000
#define    OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT    0x16
 
#define    OMAP_CTRL_PIPE3_PHY_TX_RX_POWERON    0x3
#define    OMAP_CTRL_PIPE3_PHY_TX_RX_POWEROFF    0x0
 
#define    OMAP_CTRL_PCIE_PCS_MASK            0xff
#define    OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT    16
 
#define OMAP_CTRL_USB2_PHY_PD        BIT(28)
 
#define AM437X_CTRL_USB2_PHY_PD        BIT(0)
#define AM437X_CTRL_USB2_OTG_PD        BIT(1)
#define AM437X_CTRL_USB2_OTGVDET_EN    BIT(19)
#define AM437X_CTRL_USB2_OTGSESSEND_EN    BIT(20)
 
#if IS_ENABLED(CONFIG_OMAP_CONTROL_PHY)
void omap_control_phy_power(struct device *dev, int on);
void omap_control_usb_set_mode(struct device *dev,
                  enum omap_control_usb_mode mode);
void omap_control_pcie_pcs(struct device *dev, u8 delay);
#else
 
static inline void omap_control_phy_power(struct device *dev, int on)
{
}
 
static inline void omap_control_usb_set_mode(struct device *dev,
   enum omap_control_usb_mode mode)
{
}
 
static inline void omap_control_pcie_pcs(struct device *dev, u8 delay)
{
}
#endif
 
#endif    /* __OMAP_CONTROL_PHY_H__ */