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/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 	.gpio_power		= -1,
41 	.gpio_card_ro		= -1,
42 	.detect_delay_ms	= 200,
43 };
44 
colibri_mmc_init(void)45 static void __init colibri_mmc_init(void)
46 {
47 	if (machine_is_colibri())	/* PXA270 Colibri */
48 		colibri_mci_platform_data.gpio_card_detect =
49 			GPIO0_COLIBRI_PXA270_SD_DETECT;
50 	if (machine_is_colibri300())	/* PXA300 Colibri */
51 		colibri_mci_platform_data.gpio_card_detect =
52 			GPIO13_COLIBRI_PXA300_SD_DETECT;
53 	else				/* PXA320 Colibri */
54 		colibri_mci_platform_data.gpio_card_detect =
55 			GPIO28_COLIBRI_PXA320_SD_DETECT;
56 
57 	pxa_set_mci_info(&colibri_mci_platform_data);
58 }
59 #else
colibri_mmc_init(void)60 static inline void colibri_mmc_init(void) {}
61 #endif
62 
63 /******************************************************************************
64  * USB Host
65  ******************************************************************************/
66 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
colibri_ohci_init(struct device * dev)67 static int colibri_ohci_init(struct device *dev)
68 {
69 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
70 	return 0;
71 }
72 
73 static struct pxaohci_platform_data colibri_ohci_info = {
74 	.port_mode	= PMM_PERPORT_MODE,
75 	.flags		= ENABLE_PORT1 |
76 			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
77 	.init		= colibri_ohci_init,
78 };
79 
colibri_uhc_init(void)80 static void __init colibri_uhc_init(void)
81 {
82 	/* Colibri PXA270 has two usb ports, TBA for 320 */
83 	if (machine_is_colibri())
84 		colibri_ohci_info.flags	|= ENABLE_PORT2;
85 
86 	pxa_set_ohci_info(&colibri_ohci_info);
87 }
88 #else
colibri_uhc_init(void)89 static inline void colibri_uhc_init(void) {}
90 #endif
91 
92 /******************************************************************************
93  * I2C RTC
94  ******************************************************************************/
95 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
96 static struct i2c_board_info __initdata colibri_i2c_devs[] = {
97 	{
98 		I2C_BOARD_INFO("m41t00", 0x68),
99 	},
100 };
101 
colibri_rtc_init(void)102 static void __init colibri_rtc_init(void)
103 {
104 	pxa_set_i2c_info(NULL);
105 	i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
106 }
107 #else
colibri_rtc_init(void)108 static inline void colibri_rtc_init(void) {}
109 #endif
110 
colibri_evalboard_init(void)111 void __init colibri_evalboard_init(void)
112 {
113 	pxa_set_ffuart_info(NULL);
114 	pxa_set_btuart_info(NULL);
115 	pxa_set_stuart_info(NULL);
116 
117 	colibri_mmc_init();
118 	colibri_uhc_init();
119 	colibri_rtc_init();
120 }
121