1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * include/linux/fsl_devices.h
4 *
5 * Definitions for any platform device related flags or structures for
6 * Freescale processor devices
7 *
8 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
9 *
10 * Copyright 2004,2012 Freescale Semiconductor, Inc
11 */
12
13 #ifndef _FSL_DEVICE_H_
14 #define _FSL_DEVICE_H_
15
16 #define FSL_UTMI_PHY_DLY 10 /*As per P1010RM, delay for UTMI
17 PHY CLK to become stable - 10ms*/
18 #define FSL_USB_PHY_CLK_TIMEOUT 10000 /* uSec */
19
20 #include <linux/types.h>
21
22 /*
23 * Some conventions on how we handle peripherals on Freescale chips
24 *
25 * unique device: a platform_device entry in fsl_plat_devs[] plus
26 * associated device information in its platform_data structure.
27 *
28 * A chip is described by a set of unique devices.
29 *
30 * Each sub-arch has its own master list of unique devices and
31 * enumerates them by enum fsl_devices in a sub-arch specific header
32 *
33 * The platform data structure is broken into two parts. The
34 * first is device specific information that help identify any
35 * unique features of a peripheral. The second is any
36 * information that may be defined by the board or how the device
37 * is connected externally of the chip.
38 *
39 * naming conventions:
40 * - platform data structures: <driver>_platform_data
41 * - platform data device flags: FSL_<driver>_DEV_<FLAG>
42 * - platform data board flags: FSL_<driver>_BRD_<FLAG>
43 *
44 */
45
46 enum fsl_usb2_controller_ver {
47 FSL_USB_VER_NONE = -1,
48 FSL_USB_VER_OLD = 0,
49 FSL_USB_VER_1_6 = 1,
50 FSL_USB_VER_2_2 = 2,
51 FSL_USB_VER_2_4 = 3,
52 FSL_USB_VER_2_5 = 4,
53 };
54
55 enum fsl_usb2_operating_modes {
56 FSL_USB2_MPH_HOST,
57 FSL_USB2_DR_HOST,
58 FSL_USB2_DR_DEVICE,
59 FSL_USB2_DR_OTG,
60 };
61
62 enum fsl_usb2_phy_modes {
63 FSL_USB2_PHY_NONE,
64 FSL_USB2_PHY_ULPI,
65 FSL_USB2_PHY_UTMI,
66 FSL_USB2_PHY_UTMI_WIDE,
67 FSL_USB2_PHY_SERIAL,
68 FSL_USB2_PHY_UTMI_DUAL,
69 };
70
71 struct clk;
72 struct platform_device;
73
74 struct fsl_usb2_platform_data {
75 /* board specific information */
76 enum fsl_usb2_controller_ver controller_ver;
77 enum fsl_usb2_operating_modes operating_mode;
78 enum fsl_usb2_phy_modes phy_mode;
79 unsigned int port_enables;
80 unsigned int workaround;
81
82 int (*init)(struct platform_device *);
83 void (*exit)(struct platform_device *);
84 void __iomem *regs; /* ioremap'd register base */
85 struct clk *clk;
86 unsigned power_budget; /* hcd->power_budget */
87 unsigned big_endian_mmio:1;
88 unsigned big_endian_desc:1;
89 unsigned es:1; /* need USBMODE:ES */
90 unsigned le_setup_buf:1;
91 unsigned have_sysif_regs:1;
92 unsigned invert_drvvbus:1;
93 unsigned invert_pwr_fault:1;
94
95 unsigned suspended:1;
96 unsigned already_suspended:1;
97 unsigned has_fsl_erratum_a007792:1;
98 unsigned has_fsl_erratum_14:1;
99 unsigned has_fsl_erratum_a005275:1;
100 unsigned has_fsl_erratum_a005697:1;
101 unsigned has_fsl_erratum_a006918:1;
102 unsigned check_phy_clk_valid:1;
103
104 /* register save area for suspend/resume */
105 u32 pm_command;
106 u32 pm_status;
107 u32 pm_intr_enable;
108 u32 pm_frame_index;
109 u32 pm_segment;
110 u32 pm_frame_list;
111 u32 pm_async_next;
112 u32 pm_configured_flag;
113 u32 pm_portsc;
114 u32 pm_usbgenctrl;
115 };
116
117 /* Flags in fsl_usb2_mph_platform_data */
118 #define FSL_USB2_PORT0_ENABLED 0x00000001
119 #define FSL_USB2_PORT1_ENABLED 0x00000002
120
121 #define FLS_USB2_WORKAROUND_ENGCM09152 (1 << 0)
122
123 struct spi_device;
124
125 struct fsl_spi_platform_data {
126 u32 initial_spmode; /* initial SPMODE value */
127 s16 bus_num;
128 unsigned int flags;
129 #define SPI_QE_CPU_MODE (1 << 0) /* QE CPU ("PIO") mode */
130 #define SPI_CPM_MODE (1 << 1) /* CPM/QE ("DMA") mode */
131 #define SPI_CPM1 (1 << 2) /* SPI unit is in CPM1 block */
132 #define SPI_CPM2 (1 << 3) /* SPI unit is in CPM2 block */
133 #define SPI_QE (1 << 4) /* SPI unit is in QE block */
134 /* board specific information */
135 u16 max_chipselect;
136 void (*cs_control)(struct spi_device *spi, bool on);
137 u32 sysclk;
138 };
139
140 struct mpc8xx_pcmcia_ops {
141 void(*hw_ctrl)(int slot, int enable);
142 int(*voltage_set)(int slot, int vcc, int vpp);
143 };
144
145 /* Returns non-zero if the current suspend operation would
146 * lead to a deep sleep (i.e. power removed from the core,
147 * instead of just the clock).
148 */
149 #if defined(CONFIG_PPC_83xx) && defined(CONFIG_SUSPEND)
150 int fsl_deep_sleep(void);
151 #else
fsl_deep_sleep(void)152 static inline int fsl_deep_sleep(void) { return 0; }
153 #endif
154
155 #endif /* _FSL_DEVICE_H_ */
156