1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *  linux/arch/arm/mach-pxa/colibri-evalboard.c
4 *
5 *  Support for Toradex Colibri Evaluation Carrier Board
6 *  Daniel Mack <daniel@caiaq.de>
7 *  Marek Vasut <marek.vasut@gmail.com>
8 */
9
10#include <linux/init.h>
11#include <linux/kernel.h>
12#include <linux/platform_device.h>
13#include <linux/interrupt.h>
14#include <linux/gpio/machine.h>
15#include <asm/mach-types.h>
16#include <mach/hardware.h>
17#include <asm/mach/arch.h>
18#include <linux/i2c.h>
19#include <linux/platform_data/i2c-pxa.h>
20#include <asm/io.h>
21
22#include "pxa27x.h"
23#include "colibri.h"
24#include <linux/platform_data/mmc-pxamci.h>
25#include <linux/platform_data/usb-ohci-pxa27x.h>
26#include "pxa27x-udc.h"
27
28#include "generic.h"
29#include "devices.h"
30
31/******************************************************************************
32 * SD/MMC card controller
33 ******************************************************************************/
34#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
35static struct pxamci_platform_data colibri_mci_platform_data = {
36	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
37	.detect_delay_ms	= 200,
38};
39
40static struct gpiod_lookup_table colibri_pxa270_mci_gpio_table = {
41	.dev_id = "pxa2xx-mci.0",
42	.table = {
43		GPIO_LOOKUP("gpio-pxa", GPIO0_COLIBRI_PXA270_SD_DETECT,
44			    "cd", GPIO_ACTIVE_LOW),
45		{ },
46	},
47};
48
49static struct gpiod_lookup_table colibri_pxa300_mci_gpio_table = {
50	.dev_id = "pxa2xx-mci.0",
51	.table = {
52		GPIO_LOOKUP("gpio-pxa", GPIO13_COLIBRI_PXA300_SD_DETECT,
53			    "cd", GPIO_ACTIVE_LOW),
54		{ },
55	},
56};
57
58static struct gpiod_lookup_table colibri_pxa320_mci_gpio_table = {
59	.dev_id = "pxa2xx-mci.0",
60	.table = {
61		GPIO_LOOKUP("gpio-pxa", GPIO28_COLIBRI_PXA320_SD_DETECT,
62			    "cd", GPIO_ACTIVE_LOW),
63		{ },
64	},
65};
66
67static void __init colibri_mmc_init(void)
68{
69	if (machine_is_colibri())	/* PXA270 Colibri */
70		gpiod_add_lookup_table(&colibri_pxa270_mci_gpio_table);
71	if (machine_is_colibri300())	/* PXA300 Colibri */
72		gpiod_add_lookup_table(&colibri_pxa300_mci_gpio_table);
73	else				/* PXA320 Colibri */
74		gpiod_add_lookup_table(&colibri_pxa320_mci_gpio_table);
75
76	pxa_set_mci_info(&colibri_mci_platform_data);
77}
78#else
79static inline void colibri_mmc_init(void) {}
80#endif
81
82/******************************************************************************
83 * USB Host
84 ******************************************************************************/
85#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
86static int colibri_ohci_init(struct device *dev)
87{
88	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
89	return 0;
90}
91
92static struct pxaohci_platform_data colibri_ohci_info = {
93	.port_mode	= PMM_PERPORT_MODE,
94	.flags		= ENABLE_PORT1 |
95			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
96	.init		= colibri_ohci_init,
97};
98
99static void __init colibri_uhc_init(void)
100{
101	/* Colibri PXA270 has two usb ports, TBA for 320 */
102	if (machine_is_colibri())
103		colibri_ohci_info.flags	|= ENABLE_PORT2;
104
105	pxa_set_ohci_info(&colibri_ohci_info);
106}
107#else
108static inline void colibri_uhc_init(void) {}
109#endif
110
111/******************************************************************************
112 * I2C RTC
113 ******************************************************************************/
114#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
115static struct i2c_board_info __initdata colibri_i2c_devs[] = {
116	{
117		I2C_BOARD_INFO("m41t00", 0x68),
118	},
119};
120
121static void __init colibri_rtc_init(void)
122{
123	pxa_set_i2c_info(NULL);
124	i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
125}
126#else
127static inline void colibri_rtc_init(void) {}
128#endif
129
130void __init colibri_evalboard_init(void)
131{
132	pxa_set_ffuart_info(NULL);
133	pxa_set_btuart_info(NULL);
134	pxa_set_stuart_info(NULL);
135
136	colibri_mmc_init();
137	colibri_uhc_init();
138	colibri_rtc_init();
139}
140