OMAP: GPIO: Implement GPIO as a platform device
[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-omap2 / board-zoom.c
1 /*
2  * Copyright (C) 2009-2010 Texas Instruments Inc.
3  * Mikkel Christensen <mlc@ti.com>
4  * Felipe Balbi <balbi@ti.com>
5  *
6  * Modified from mach-omap2/board-ldp.c
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/input.h>
17 #include <linux/gpio.h>
18 #include <linux/i2c/twl.h>
19
20 #include <asm/mach-types.h>
21 #include <asm/mach/arch.h>
22
23 #include <plat/common.h>
24 #include <plat/board.h>
25 #include <plat/usb.h>
26
27 #include <mach/board-zoom.h>
28
29 #include "board-flash.h"
30 #include "mux.h"
31 #include "sdram-micron-mt46h32m32lf-6.h"
32 #include "sdram-hynix-h8mbx00u0mer-0em.h"
33
34 #define ZOOM3_EHCI_RESET_GPIO           64
35
36 static void __init omap_zoom_init_irq(void)
37 {
38         if (machine_is_omap_zoom2())
39                 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
40                                 mt46h32m32lf6_sdrc_params);
41         else if (machine_is_omap_zoom3())
42                 omap2_init_common_hw(h8mbx00u0mer0em_sdrc_params,
43                                 h8mbx00u0mer0em_sdrc_params);
44
45         omap_init_irq();
46 }
47
48 #ifdef CONFIG_OMAP_MUX
49 static struct omap_board_mux board_mux[] __initdata = {
50         /* WLAN IRQ - GPIO 162 */
51         OMAP3_MUX(MCBSP1_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
52         /* WLAN POWER ENABLE - GPIO 101 */
53         OMAP3_MUX(CAM_D2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
54         /* WLAN SDIO: MMC3 CMD */
55         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE3 | OMAP_PIN_INPUT_PULLUP),
56         /* WLAN SDIO: MMC3 CLK */
57         OMAP3_MUX(ETK_CLK, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
58         /* WLAN SDIO: MMC3 DAT[0-3] */
59         OMAP3_MUX(ETK_D3, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
60         OMAP3_MUX(ETK_D4, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
61         OMAP3_MUX(ETK_D5, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
62         OMAP3_MUX(ETK_D6, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
63         { .reg_offset = OMAP_MUX_TERMINATOR },
64 };
65 #else
66 #define board_mux       NULL
67 #endif
68
69 static struct mtd_partition zoom_nand_partitions[] = {
70         /* All the partition sizes are listed in terms of NAND block size */
71         {
72                 .name           = "X-Loader-NAND",
73                 .offset         = 0,
74                 .size           = 4 * (64 * 2048),      /* 512KB, 0x80000 */
75                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
76         },
77         {
78                 .name           = "U-Boot-NAND",
79                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
80                 .size           = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
81                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
82         },
83         {
84                 .name           = "Boot Env-NAND",
85                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
86                 .size           = 2 * (64 * 2048),      /* 256KB, 0x40000 */
87         },
88         {
89                 .name           = "Kernel-NAND",
90                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
91                 .size           = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
92         },
93         {
94                 .name           = "system",
95                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
96                 .size           = 3328 * (64 * 2048),   /* 416M, 0x1A000000 */
97         },
98         {
99                 .name           = "userdata",
100                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1C000000*/
101                 .size           = 256 * (64 * 2048),    /* 32M, 0x2000000 */
102         },
103         {
104                 .name           = "cache",
105                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1E000000*/
106                 .size           = 256 * (64 * 2048),    /* 32M, 0x2000000 */
107         },
108 };
109
110 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
111         .port_mode[0]           = EHCI_HCD_OMAP_MODE_UNKNOWN,
112         .port_mode[1]           = EHCI_HCD_OMAP_MODE_PHY,
113         .port_mode[2]           = EHCI_HCD_OMAP_MODE_UNKNOWN,
114         .phy_reset              = true,
115         .reset_gpio_port[0]     = -EINVAL,
116         .reset_gpio_port[1]     = ZOOM3_EHCI_RESET_GPIO,
117         .reset_gpio_port[2]     = -EINVAL,
118 };
119
120 static void __init omap_zoom_init(void)
121 {
122         if (machine_is_omap_zoom2()) {
123                 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
124         } else if (machine_is_omap_zoom3()) {
125                 omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
126                 omap_mux_init_gpio(ZOOM3_EHCI_RESET_GPIO, OMAP_PIN_OUTPUT);
127                 usb_ehci_init(&ehci_pdata);
128         }
129
130         board_nand_init(zoom_nand_partitions,
131                         ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS);
132         zoom_debugboard_init();
133         zoom_peripherals_init();
134 }
135
136 MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
137         .boot_params    = 0x80000100,
138         .map_io         = omap3_map_io,
139         .reserve        = omap_reserve,
140         .init_irq       = omap_zoom_init_irq,
141         .init_machine   = omap_zoom_init,
142         .timer          = &omap_timer,
143 MACHINE_END
144
145 MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
146         .boot_params    = 0x80000100,
147         .map_io         = omap3_map_io,
148         .reserve        = omap_reserve,
149         .init_irq       = omap_zoom_init_irq,
150         .init_machine   = omap_zoom_init,
151         .timer          = &omap_timer,
152 MACHINE_END