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Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c')
-rw-r--r--arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c
new file mode 100644
index 000000000000..96a24b73dc23
--- /dev/null
+++ b/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c
@@ -0,0 +1,231 @@
1/*
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/leds.h>
28#include <linux/platform_device.h>
29#include <linux/input.h>
30#include <linux/i2c.h>
31#include <video/platform_lcd.h>
32#include <linux/backlight.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/iomux-mx51.h>
42
43#include "devices-imx51.h"
44
45static iomux_v3_cfg_t eukrea_mbimxsd51_pads[] = {
46 /* LED */
47 MX51_PAD_NANDF_D10__GPIO3_30,
48 /* SWITCH */
49 NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, PAD_CTL_PUS_22K_UP |
50 PAD_CTL_PKE | PAD_CTL_SRE_FAST |
51 PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
52 /* UART2 */
53 MX51_PAD_UART2_RXD__UART2_RXD,
54 MX51_PAD_UART2_TXD__UART2_TXD,
55 /* UART 3 */
56 MX51_PAD_UART3_RXD__UART3_RXD,
57 MX51_PAD_UART3_TXD__UART3_TXD,
58 MX51_PAD_KEY_COL4__UART3_RTS,
59 MX51_PAD_KEY_COL5__UART3_CTS,
60 /* SD */
61 MX51_PAD_SD1_CMD__SD1_CMD,
62 MX51_PAD_SD1_CLK__SD1_CLK,
63 MX51_PAD_SD1_DATA0__SD1_DATA0,
64 MX51_PAD_SD1_DATA1__SD1_DATA1,
65 MX51_PAD_SD1_DATA2__SD1_DATA2,
66 MX51_PAD_SD1_DATA3__SD1_DATA3,
67 /* SD1 CD */
68 NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_PUS_22K_UP |
69 PAD_CTL_PKE | PAD_CTL_SRE_FAST |
70 PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
71 /* SSI */
72 MX51_PAD_AUD3_BB_TXD__AUD3_TXD,
73 MX51_PAD_AUD3_BB_RXD__AUD3_RXD,
74 MX51_PAD_AUD3_BB_CK__AUD3_TXC,
75 MX51_PAD_AUD3_BB_FS__AUD3_TXFS,
76 /* LCD Backlight */
77 MX51_PAD_DI1_D1_CS__GPIO3_4,
78 /* LCD RST */
79 MX51_PAD_CSI1_D9__GPIO3_13,
80};
81
82#define GPIO_LED1 IMX_GPIO_NR(3, 30)
83#define GPIO_SWITCH1 IMX_GPIO_NR(3, 31)
84#define GPIO_LCDRST IMX_GPIO_NR(3, 13)
85#define GPIO_LCDBL IMX_GPIO_NR(3, 4)
86
87static void eukrea_mbimxsd51_lcd_power_set(struct plat_lcd_data *pd,
88 unsigned int power)
89{
90 if (power)
91 gpio_direction_output(GPIO_LCDRST, 1);
92 else
93 gpio_direction_output(GPIO_LCDRST, 0);
94}
95
96static struct plat_lcd_data eukrea_mbimxsd51_lcd_power_data = {
97 .set_power = eukrea_mbimxsd51_lcd_power_set,
98};
99
100static struct platform_device eukrea_mbimxsd51_lcd_powerdev = {
101 .name = "platform-lcd",
102 .dev.platform_data = &eukrea_mbimxsd51_lcd_power_data,
103};
104
105static void eukrea_mbimxsd51_bl_set_intensity(int intensity)
106{
107 if (intensity)
108 gpio_direction_output(GPIO_LCDBL, 1);
109 else
110 gpio_direction_output(GPIO_LCDBL, 0);
111}
112
113static struct generic_bl_info eukrea_mbimxsd51_bl_info = {
114 .name = "eukrea_mbimxsd51-bl",
115 .max_intensity = 0xff,
116 .default_intensity = 0xff,
117 .set_bl_intensity = eukrea_mbimxsd51_bl_set_intensity,
118};
119
120static struct platform_device eukrea_mbimxsd51_bl_dev = {
121 .name = "generic-bl",
122 .id = 1,
123 .dev = {
124 .platform_data = &eukrea_mbimxsd51_bl_info,
125 },
126};
127
128static const struct gpio_led eukrea_mbimxsd51_leds[] __initconst = {
129 {
130 .name = "led1",
131 .default_trigger = "heartbeat",
132 .active_low = 1,
133 .gpio = GPIO_LED1,
134 },
135};
136
137static const struct gpio_led_platform_data
138 eukrea_mbimxsd51_led_info __initconst = {
139 .leds = eukrea_mbimxsd51_leds,
140 .num_leds = ARRAY_SIZE(eukrea_mbimxsd51_leds),
141};
142
143static struct gpio_keys_button eukrea_mbimxsd51_gpio_buttons[] = {
144 {
145 .gpio = GPIO_SWITCH1,
146 .code = BTN_0,
147 .desc = "BP1",
148 .active_low = 1,
149 .wakeup = 1,
150 },
151};
152
153static const struct gpio_keys_platform_data
154 eukrea_mbimxsd51_button_data __initconst = {
155 .buttons = eukrea_mbimxsd51_gpio_buttons,
156 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd51_gpio_buttons),
157};
158
159static const struct imxuart_platform_data uart_pdata __initconst = {
160 .flags = IMXUART_HAVE_RTSCTS,
161};
162
163static struct i2c_board_info eukrea_mbimxsd51_i2c_devices[] = {
164 {
165 I2C_BOARD_INFO("tlv320aic23", 0x1a),
166 },
167};
168
169static const
170struct imx_ssi_platform_data eukrea_mbimxsd51_ssi_pdata __initconst = {
171 .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
172};
173
174static int screen_type;
175
176static int __init eukrea_mbimxsd51_screen_type(char *options)
177{
178 if (!strcmp(options, "dvi"))
179 screen_type = 1;
180 else if (!strcmp(options, "tft"))
181 screen_type = 0;
182
183 return 0;
184}
185__setup("screen_type=", eukrea_mbimxsd51_screen_type);
186
187/*
188 * system init for baseboard usage. Will be called by cpuimx51sd init.
189 *
190 * Add platform devices present on this baseboard and init
191 * them from CPU side as far as required to use them later on
192 */
193void __init eukrea_mbimxsd51_baseboard_init(void)
194{
195 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd51_pads,
196 ARRAY_SIZE(eukrea_mbimxsd51_pads)))
197 printk(KERN_ERR "error setting mbimxsd pads !\n");
198
199 imx51_add_imx_uart(1, NULL);
200 imx51_add_imx_uart(2, &uart_pdata);
201
202 imx51_add_sdhci_esdhc_imx(0, NULL);
203
204 imx51_add_imx_ssi(0, &eukrea_mbimxsd51_ssi_pdata);
205
206 gpio_request(GPIO_LED1, "LED1");
207 gpio_direction_output(GPIO_LED1, 1);
208 gpio_free(GPIO_LED1);
209
210 gpio_request(GPIO_SWITCH1, "SWITCH1");
211 gpio_direction_input(GPIO_SWITCH1);
212 gpio_free(GPIO_SWITCH1);
213
214 gpio_request(GPIO_LCDRST, "LCDRST");
215 gpio_direction_output(GPIO_LCDRST, 0);
216 gpio_request(GPIO_LCDBL, "LCDBL");
217 gpio_direction_output(GPIO_LCDBL, 0);
218 if (!screen_type) {
219 platform_device_register(&eukrea_mbimxsd51_bl_dev);
220 platform_device_register(&eukrea_mbimxsd51_lcd_powerdev);
221 } else {
222 gpio_free(GPIO_LCDRST);
223 gpio_free(GPIO_LCDBL);
224 }
225
226 i2c_register_board_info(0, eukrea_mbimxsd51_i2c_devices,
227 ARRAY_SIZE(eukrea_mbimxsd51_i2c_devices));
228
229 gpio_led_register_device(-1, &eukrea_mbimxsd51_led_info);
230 imx_add_gpio_keys(&eukrea_mbimxsd51_button_data);
231}