Merge tag 'driver-core-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / arch / arm / mach-pxa / colibri-evalboard.c
1 /*
2  *  linux/arch/arm/mach-pxa/colibri-evalboard.c
3  *
4  *  Support for Toradex Colibri Evaluation Carrier Board
5  *  Daniel Mack <daniel@caiaq.de>
6  *  Marek Vasut <marek.vasut@gmail.com>
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/init.h>
14 #include <linux/kernel.h>
15 #include <linux/platform_device.h>
16 #include <linux/interrupt.h>
17 #include <linux/gpio/machine.h>
18 #include <asm/mach-types.h>
19 #include <mach/hardware.h>
20 #include <asm/mach/arch.h>
21 #include <linux/i2c.h>
22 #include <linux/platform_data/i2c-pxa.h>
23 #include <asm/io.h>
24
25 #include "pxa27x.h"
26 #include "colibri.h"
27 #include <linux/platform_data/mmc-pxamci.h>
28 #include <linux/platform_data/usb-ohci-pxa27x.h>
29 #include "pxa27x-udc.h"
30
31 #include "generic.h"
32 #include "devices.h"
33
34 /******************************************************************************
35  * SD/MMC card controller
36  ******************************************************************************/
37 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
38 static struct pxamci_platform_data colibri_mci_platform_data = {
39         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
40         .detect_delay_ms        = 200,
41 };
42
43 static struct gpiod_lookup_table colibri_pxa270_mci_gpio_table = {
44         .dev_id = "pxa2xx-mci.0",
45         .table = {
46                 GPIO_LOOKUP("gpio-pxa", GPIO0_COLIBRI_PXA270_SD_DETECT,
47                             "cd", GPIO_ACTIVE_LOW),
48                 { },
49         },
50 };
51
52 static struct gpiod_lookup_table colibri_pxa300_mci_gpio_table = {
53         .dev_id = "pxa2xx-mci.0",
54         .table = {
55                 GPIO_LOOKUP("gpio-pxa", GPIO13_COLIBRI_PXA300_SD_DETECT,
56                             "cd", GPIO_ACTIVE_LOW),
57                 { },
58         },
59 };
60
61 static struct gpiod_lookup_table colibri_pxa320_mci_gpio_table = {
62         .dev_id = "pxa2xx-mci.0",
63         .table = {
64                 GPIO_LOOKUP("gpio-pxa", GPIO28_COLIBRI_PXA320_SD_DETECT,
65                             "cd", GPIO_ACTIVE_LOW),
66                 { },
67         },
68 };
69
70 static void __init colibri_mmc_init(void)
71 {
72         if (machine_is_colibri())       /* PXA270 Colibri */
73                 gpiod_add_lookup_table(&colibri_pxa270_mci_gpio_table);
74         if (machine_is_colibri300())    /* PXA300 Colibri */
75                 gpiod_add_lookup_table(&colibri_pxa300_mci_gpio_table);
76         else                            /* PXA320 Colibri */
77                 gpiod_add_lookup_table(&colibri_pxa320_mci_gpio_table);
78
79         pxa_set_mci_info(&colibri_mci_platform_data);
80 }
81 #else
82 static inline void colibri_mmc_init(void) {}
83 #endif
84
85 /******************************************************************************
86  * USB Host
87  ******************************************************************************/
88 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
89 static int colibri_ohci_init(struct device *dev)
90 {
91         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
92         return 0;
93 }
94
95 static struct pxaohci_platform_data colibri_ohci_info = {
96         .port_mode      = PMM_PERPORT_MODE,
97         .flags          = ENABLE_PORT1 |
98                           POWER_CONTROL_LOW | POWER_SENSE_LOW,
99         .init           = colibri_ohci_init,
100 };
101
102 static void __init colibri_uhc_init(void)
103 {
104         /* Colibri PXA270 has two usb ports, TBA for 320 */
105         if (machine_is_colibri())
106                 colibri_ohci_info.flags |= ENABLE_PORT2;
107
108         pxa_set_ohci_info(&colibri_ohci_info);
109 }
110 #else
111 static inline void colibri_uhc_init(void) {}
112 #endif
113
114 /******************************************************************************
115  * I2C RTC
116  ******************************************************************************/
117 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
118 static struct i2c_board_info __initdata colibri_i2c_devs[] = {
119         {
120                 I2C_BOARD_INFO("m41t00", 0x68),
121         },
122 };
123
124 static void __init colibri_rtc_init(void)
125 {
126         pxa_set_i2c_info(NULL);
127         i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
128 }
129 #else
130 static inline void colibri_rtc_init(void) {}
131 #endif
132
133 void __init colibri_evalboard_init(void)
134 {
135         pxa_set_ffuart_info(NULL);
136         pxa_set_btuart_info(NULL);
137         pxa_set_stuart_info(NULL);
138
139         colibri_mmc_init();
140         colibri_uhc_init();
141         colibri_rtc_init();
142 }