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Eric Bénard70b17262010-10-12 16:12:36 +02001/*
2 * Copyright (C) 2010 Eric Benard - eric@eukrea.com
3 *
4 * Based on pcm970-baseboard.c which is :
5 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21
22#include <linux/types.h>
23#include <linux/init.h>
24
25#include <linux/gpio.h>
26#include <linux/interrupt.h>
27#include <linux/irq.h>
28#include <linux/leds.h>
29#include <linux/platform_device.h>
30#include <linux/gpio_keys.h>
31#include <linux/input.h>
32#include <linux/i2c.h>
33
34#include <asm/mach-types.h>
35#include <asm/mach/arch.h>
36#include <asm/mach/time.h>
37#include <asm/mach/map.h>
38
39#include <mach/hardware.h>
40#include <mach/common.h>
41#include <mach/imx-uart.h>
42#include <mach/iomux-mx51.h>
43#include <mach/audmux.h>
44
45#include "devices-imx51.h"
46#include "devices.h"
47
Lothar Waßmann8f5260c2010-10-26 14:28:31 +020048static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
Eric Bénard70b17262010-10-12 16:12:36 +020049 /* LED */
Sascha Haueree1ae4d2010-12-15 09:56:35 +010050 MX51_PAD_NANDF_D10__GPIO3_30,
Eric Bénard70b17262010-10-12 16:12:36 +020051 /* SWITCH */
Sascha Haueree1ae4d2010-12-15 09:56:35 +010052 _MX51_PAD_NANDF_D9__GPIO3_31 | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP |
53 PAD_CTL_PKE | PAD_CTL_SRE_FAST |
54 PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
Eric Bénard70b17262010-10-12 16:12:36 +020055 /* UART2 */
56 MX51_PAD_UART2_RXD__UART2_RXD,
57 MX51_PAD_UART2_TXD__UART2_TXD,
58 /* UART 3 */
59 MX51_PAD_UART3_RXD__UART3_RXD,
60 MX51_PAD_UART3_TXD__UART3_TXD,
61 MX51_PAD_KEY_COL4__UART3_RTS,
62 MX51_PAD_KEY_COL5__UART3_CTS,
63 /* SD */
64 MX51_PAD_SD1_CMD__SD1_CMD,
65 MX51_PAD_SD1_CLK__SD1_CLK,
66 MX51_PAD_SD1_DATA0__SD1_DATA0,
67 MX51_PAD_SD1_DATA1__SD1_DATA1,
68 MX51_PAD_SD1_DATA2__SD1_DATA2,
69 MX51_PAD_SD1_DATA3__SD1_DATA3,
Eric Bénardef560bf2011-02-25 14:38:31 +010070 /* SD1 CD */
71 _MX51_PAD_GPIO1_0__SD1_CD | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP |
72 PAD_CTL_PKE | PAD_CTL_SRE_FAST |
73 PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
Eric Bénard70b17262010-10-12 16:12:36 +020074};
75
Arnaud Patard (Rtp)96886c42010-11-26 15:20:52 +010076#define GPIO_LED1 IMX_GPIO_NR(3, 30)
77#define GPIO_SWITCH1 IMX_GPIO_NR(3, 31)
Eric Bénard70b17262010-10-12 16:12:36 +020078
79static struct gpio_led eukrea_mbimxsd_leds[] = {
80 {
81 .name = "led1",
82 .default_trigger = "heartbeat",
83 .active_low = 1,
84 .gpio = GPIO_LED1,
85 },
86};
87
88static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
89 .leds = eukrea_mbimxsd_leds,
90 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
91};
92
93static struct platform_device eukrea_mbimxsd_leds_gpio = {
94 .name = "leds-gpio",
95 .id = -1,
96 .dev = {
97 .platform_data = &eukrea_mbimxsd_led_info,
98 },
99};
100
101static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
102 {
103 .gpio = GPIO_SWITCH1,
104 .code = BTN_0,
105 .desc = "BP1",
106 .active_low = 1,
107 .wakeup = 1,
108 },
109};
110
111static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
112 .buttons = eukrea_mbimxsd_gpio_buttons,
113 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
114};
115
116static struct platform_device eukrea_mbimxsd_button_device = {
117 .name = "gpio-keys",
118 .id = -1,
119 .num_resources = 0,
120 .dev = {
121 .platform_data = &eukrea_mbimxsd_button_data,
122 }
123};
124
125static struct platform_device *platform_devices[] __initdata = {
126 &eukrea_mbimxsd_leds_gpio,
127 &eukrea_mbimxsd_button_device,
128};
129
130static const struct imxuart_platform_data uart_pdata __initconst = {
131 .flags = IMXUART_HAVE_RTSCTS,
132};
133
134static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
135 {
136 I2C_BOARD_INFO("tlv320aic23", 0x1a),
137 },
138};
139
140/*
141 * system init for baseboard usage. Will be called by cpuimx51sd init.
142 *
143 * Add platform devices present on this baseboard and init
144 * them from CPU side as far as required to use them later on
145 */
146void __init eukrea_mbimxsd51_baseboard_init(void)
147{
148 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
149 ARRAY_SIZE(eukrea_mbimxsd_pads)))
150 printk(KERN_ERR "error setting mbimxsd pads !\n");
151
152 imx51_add_imx_uart(1, NULL);
153 imx51_add_imx_uart(2, &uart_pdata);
154
Uwe Kleine-König124bf942010-11-19 21:03:33 +0100155 imx51_add_sdhci_esdhc_imx(0, NULL);
Eric Bénard70b17262010-10-12 16:12:36 +0200156
157 gpio_request(GPIO_LED1, "LED1");
158 gpio_direction_output(GPIO_LED1, 1);
159 gpio_free(GPIO_LED1);
160
161 gpio_request(GPIO_SWITCH1, "SWITCH1");
162 gpio_direction_input(GPIO_SWITCH1);
163 gpio_free(GPIO_SWITCH1);
164
165 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
166 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
167
168 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
169}