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.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/i2c/pxa-i2c.h>
23
24 #include <mach/pxa27x.h>
25 #include <mach/colibri.h>
26 #include <mach/mmc.h>
27 #include <mach/ohci.h>
28 #include <mach/pxa27x-udc.h>
29
30 #include "generic.h"
31 #include "devices.h"
32
33 /******************************************************************************
34 * SD/MMC card controller
35 ******************************************************************************/
36 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
37 static struct pxamci_platform_data colibri_mci_platform_data = {
38 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
39 .gpio_power = -1,
40 .gpio_card_ro = -1,
41 .detect_delay_ms = 200,
42 };
43
colibri_mmc_init(void)44 static void __init colibri_mmc_init(void)
45 {
46 if (machine_is_colibri()) /* PXA270 Colibri */
47 colibri_mci_platform_data.gpio_card_detect =
48 GPIO0_COLIBRI_PXA270_SD_DETECT;
49 if (machine_is_colibri300()) /* PXA300 Colibri */
50 colibri_mci_platform_data.gpio_card_detect =
51 GPIO13_COLIBRI_PXA300_SD_DETECT;
52 else /* PXA320 Colibri */
53 colibri_mci_platform_data.gpio_card_detect =
54 GPIO28_COLIBRI_PXA320_SD_DETECT;
55
56 pxa_set_mci_info(&colibri_mci_platform_data);
57 }
58 #else
colibri_mmc_init(void)59 static inline void colibri_mmc_init(void) {}
60 #endif
61
62 /******************************************************************************
63 * USB Host
64 ******************************************************************************/
65 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
colibri_ohci_init(struct device * dev)66 static int colibri_ohci_init(struct device *dev)
67 {
68 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
69 return 0;
70 }
71
72 static struct pxaohci_platform_data colibri_ohci_info = {
73 .port_mode = PMM_PERPORT_MODE,
74 .flags = ENABLE_PORT1 |
75 POWER_CONTROL_LOW | POWER_SENSE_LOW,
76 .init = colibri_ohci_init,
77 };
78
colibri_uhc_init(void)79 static void __init colibri_uhc_init(void)
80 {
81 /* Colibri PXA270 has two usb ports, TBA for 320 */
82 if (machine_is_colibri())
83 colibri_ohci_info.flags |= ENABLE_PORT2;
84
85 pxa_set_ohci_info(&colibri_ohci_info);
86 }
87 #else
colibri_uhc_init(void)88 static inline void colibri_uhc_init(void) {}
89 #endif
90
91 /******************************************************************************
92 * I2C RTC
93 ******************************************************************************/
94 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
95 static struct i2c_board_info __initdata colibri_i2c_devs[] = {
96 {
97 I2C_BOARD_INFO("m41t00", 0x68),
98 },
99 };
100
colibri_rtc_init(void)101 static void __init colibri_rtc_init(void)
102 {
103 pxa_set_i2c_info(NULL);
104 i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
105 }
106 #else
colibri_rtc_init(void)107 static inline void colibri_rtc_init(void) {}
108 #endif
109
colibri_evalboard_init(void)110 void __init colibri_evalboard_init(void)
111 {
112 pxa_set_ffuart_info(NULL);
113 pxa_set_btuart_info(NULL);
114 pxa_set_stuart_info(NULL);
115
116 colibri_mmc_init();
117 colibri_uhc_init();
118 colibri_rtc_init();
119 }
120