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Diffstat (limited to 'arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c')
-rw-r--r--arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c260
1 files changed, 260 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c
new file mode 100644
index 00000000000..91931dcb068
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+++ b/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c
@@ -0,0 +1,260 @@
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/gpio.h>
23#include <linux/leds.h>
24#include <linux/platform_device.h>
25#include <linux/gpio_keys.h>
26#include <linux/input.h>
27#include <video/platform_lcd.h>
28
29#include <mach/hardware.h>
30#include <mach/iomux-mx25.h>
31#include <mach/common.h>
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <mach/mx25.h>
35#include <mach/imx-uart.h>
36#include <mach/imxfb.h>
37#include <mach/ssi.h>
38#include <mach/audmux.h>
39
40#include "devices-imx25.h"
41#include "devices.h"
42
43static struct pad_desc eukrea_mbimxsd_pads[] = {
44 /* LCD */
45 MX25_PAD_LD0__LD0,
46 MX25_PAD_LD1__LD1,
47 MX25_PAD_LD2__LD2,
48 MX25_PAD_LD3__LD3,
49 MX25_PAD_LD4__LD4,
50 MX25_PAD_LD5__LD5,
51 MX25_PAD_LD6__LD6,
52 MX25_PAD_LD7__LD7,
53 MX25_PAD_LD8__LD8,
54 MX25_PAD_LD9__LD9,
55 MX25_PAD_LD10__LD10,
56 MX25_PAD_LD11__LD11,
57 MX25_PAD_LD12__LD12,
58 MX25_PAD_LD13__LD13,
59 MX25_PAD_LD14__LD14,
60 MX25_PAD_LD15__LD15,
61 MX25_PAD_GPIO_E__LD16,
62 MX25_PAD_GPIO_F__LD17,
63 MX25_PAD_HSYNC__HSYNC,
64 MX25_PAD_VSYNC__VSYNC,
65 MX25_PAD_LSCLK__LSCLK,
66 MX25_PAD_OE_ACD__OE_ACD,
67 MX25_PAD_CONTRAST__CONTRAST,
68 /* LCD_PWR */
69 MX25_PAD_PWM__GPIO_1_26,
70 /* LED */
71 MX25_PAD_POWER_FAIL__GPIO_3_19,
72 /* SWITCH */
73 MX25_PAD_VSTBY_ACK__GPIO_3_18,
74 /* UART2 */
75 MX25_PAD_UART2_RTS__UART2_RTS,
76 MX25_PAD_UART2_CTS__UART2_CTS,
77 MX25_PAD_UART2_TXD__UART2_TXD,
78 MX25_PAD_UART2_RXD__UART2_RXD,
79 /* SD1 */
80 MX25_PAD_SD1_CMD__SD1_CMD,
81 MX25_PAD_SD1_CLK__SD1_CLK,
82 MX25_PAD_SD1_DATA0__SD1_DATA0,
83 MX25_PAD_SD1_DATA1__SD1_DATA1,
84 MX25_PAD_SD1_DATA2__SD1_DATA2,
85 MX25_PAD_SD1_DATA3__SD1_DATA3,
86 /* SD1 CD */
87 MX25_PAD_DE_B__GPIO_2_20,
88 /* I2S */
89 MX25_PAD_KPP_COL3__AUD5_TXFS,
90 MX25_PAD_KPP_COL2__AUD5_TXC,
91 MX25_PAD_KPP_COL1__AUD5_RXD,
92 MX25_PAD_KPP_COL0__AUD5_TXD,
93};
94
95#define GPIO_LED1 83
96#define GPIO_SWITCH1 82
97#define GPIO_SD1CD 52
98#define GPIO_LCDPWR 26
99
100static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
101 {
102 .mode = {
103 .name = "CMO-QVGA",
104 .refresh = 60,
105 .xres = 320,
106 .yres = 240,
107 .pixclock = KHZ2PICOS(6500),
108 .left_margin = 30,
109 .right_margin = 38,
110 .upper_margin = 20,
111 .lower_margin = 3,
112 .hsync_len = 15,
113 .vsync_len = 4,
114 },
115 .bpp = 16,
116 .pcr = 0xCAD08B80,
117 },
118};
119
120static struct imx_fb_platform_data eukrea_mximxsd_fb_pdata = {
121 .mode = eukrea_mximxsd_modes,
122 .num_modes = ARRAY_SIZE(eukrea_mximxsd_modes),
123 .pwmr = 0x00A903FF,
124 .lscr1 = 0x00120300,
125 .dmacr = 0x00040060,
126};
127
128static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
129 unsigned int power)
130{
131 if (power)
132 gpio_direction_output(GPIO_LCDPWR, 1);
133 else
134 gpio_direction_output(GPIO_LCDPWR, 0);
135}
136
137static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
138 .set_power = eukrea_mbimxsd_lcd_power_set,
139};
140
141static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
142 .name = "platform-lcd",
143 .dev.platform_data = &eukrea_mbimxsd_lcd_power_data,
144};
145
146static struct gpio_led eukrea_mbimxsd_leds[] = {
147 {
148 .name = "led1",
149 .default_trigger = "heartbeat",
150 .active_low = 1,
151 .gpio = GPIO_LED1,
152 },
153};
154
155static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
156 .leds = eukrea_mbimxsd_leds,
157 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
158};
159
160static struct platform_device eukrea_mbimxsd_leds_gpio = {
161 .name = "leds-gpio",
162 .id = -1,
163 .dev = {
164 .platform_data = &eukrea_mbimxsd_led_info,
165 },
166};
167
168static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
169 {
170 .gpio = GPIO_SWITCH1,
171 .code = BTN_0,
172 .desc = "BP1",
173 .active_low = 1,
174 .wakeup = 1,
175 },
176};
177
178static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
179 .buttons = eukrea_mbimxsd_gpio_buttons,
180 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
181};
182
183static struct platform_device eukrea_mbimxsd_button_device = {
184 .name = "gpio-keys",
185 .id = -1,
186 .num_resources = 0,
187 .dev = {
188 .platform_data = &eukrea_mbimxsd_button_data,
189 }
190};
191
192static struct platform_device *platform_devices[] __initdata = {
193 &eukrea_mbimxsd_leds_gpio,
194 &eukrea_mbimxsd_button_device,
195 &eukrea_mbimxsd_lcd_powerdev,
196};
197
198static const struct imxuart_platform_data uart_pdata __initconst = {
199 .flags = IMXUART_HAVE_RTSCTS,
200};
201
202static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
203 {
204 I2C_BOARD_INFO("tlv320aic23", 0x1a),
205 },
206};
207
208struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = {
209 .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
210};
211
212/*
213 * system init for baseboard usage. Will be called by cpuimx25 init.
214 *
215 * Add platform devices present on this baseboard and init
216 * them from CPU side as far as required to use them later on
217 */
218void __init eukrea_mbimxsd_baseboard_init(void)
219{
220 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
221 ARRAY_SIZE(eukrea_mbimxsd_pads)))
222 printk(KERN_ERR "error setting mbimxsd pads !\n");
223
224#if defined(CONFIG_SND_SOC_EUKREA_TLV320)
225 /* SSI unit master I2S codec connected to SSI_AUD5*/
226 mxc_audmux_v2_configure_port(0,
227 MXC_AUDMUX_V2_PTCR_SYN |
228 MXC_AUDMUX_V2_PTCR_TFSDIR |
229 MXC_AUDMUX_V2_PTCR_TFSEL(4) |
230 MXC_AUDMUX_V2_PTCR_TCLKDIR |
231 MXC_AUDMUX_V2_PTCR_TCSEL(4),
232 MXC_AUDMUX_V2_PDCR_RXDSEL(4)
233 );
234 mxc_audmux_v2_configure_port(4,
235 MXC_AUDMUX_V2_PTCR_SYN,
236 MXC_AUDMUX_V2_PDCR_RXDSEL(0)
237 );
238#endif
239
240 imx25_add_imx_uart1(&uart_pdata);
241 mxc_register_device(&mx25_fb_device, &eukrea_mximxsd_fb_pdata);
242 mxc_register_device(&imx_ssi_device0, &eukrea_mbimxsd_ssi_pdata);
243
244 gpio_request(GPIO_LED1, "LED1");
245 gpio_direction_output(GPIO_LED1, 1);
246 gpio_free(GPIO_LED1);
247
248 gpio_request(GPIO_SWITCH1, "SWITCH1");
249 gpio_direction_input(GPIO_SWITCH1);
250 gpio_free(GPIO_SWITCH1);
251
252 gpio_request(GPIO_LCDPWR, "LCDPWR");
253 gpio_direction_output(GPIO_LCDPWR, 1);
254 gpio_free(GPIO_SWITCH1);
255
256 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
257 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
258
259 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
260}
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 17:27:10 -0500