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Diffstat (limited to 'arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c')
-rw-r--r--arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c
new file mode 100644
index 00000000000..1dc5004df86
--- /dev/null
+++ b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c
@@ -0,0 +1,263 @@
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/gpio_keys.h>
30#include <linux/input.h>
31#include <video/platform_lcd.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-mx35.h>
43#include <mach/ipu.h>
44#include <mach/mx3fb.h>
45#include <mach/audmux.h>
46#include <mach/ssi.h>
47
48#include "devices-imx35.h"
49#include "devices.h"
50
51static const struct fb_videomode fb_modedb[] = {
52 {
53 .name = "CMO_QVGA",
54 .refresh = 60,
55 .xres = 320,
56 .yres = 240,
57 .pixclock = KHZ2PICOS(6500),
58 .left_margin = 68,
59 .right_margin = 20,
60 .upper_margin = 15,
61 .lower_margin = 4,
62 .hsync_len = 30,
63 .vsync_len = 3,
64 .sync = 0,
65 .vmode = FB_VMODE_NONINTERLACED,
66 .flag = 0,
67 },
68};
69
70static struct ipu_platform_data mx3_ipu_data = {
71 .irq_base = MXC_IPU_IRQ_START,
72};
73
74static struct mx3fb_platform_data mx3fb_pdata = {
75 .dma_dev = &mx3_ipu.dev,
76 .name = "CMO_QVGA",
77 .mode = fb_modedb,
78 .num_modes = ARRAY_SIZE(fb_modedb),
79};
80
81static struct pad_desc eukrea_mbimxsd_pads[] = {
82 /* LCD */
83 MX35_PAD_LD0__IPU_DISPB_DAT_0,
84 MX35_PAD_LD1__IPU_DISPB_DAT_1,
85 MX35_PAD_LD2__IPU_DISPB_DAT_2,
86 MX35_PAD_LD3__IPU_DISPB_DAT_3,
87 MX35_PAD_LD4__IPU_DISPB_DAT_4,
88 MX35_PAD_LD5__IPU_DISPB_DAT_5,
89 MX35_PAD_LD6__IPU_DISPB_DAT_6,
90 MX35_PAD_LD7__IPU_DISPB_DAT_7,
91 MX35_PAD_LD8__IPU_DISPB_DAT_8,
92 MX35_PAD_LD9__IPU_DISPB_DAT_9,
93 MX35_PAD_LD10__IPU_DISPB_DAT_10,
94 MX35_PAD_LD11__IPU_DISPB_DAT_11,
95 MX35_PAD_LD12__IPU_DISPB_DAT_12,
96 MX35_PAD_LD13__IPU_DISPB_DAT_13,
97 MX35_PAD_LD14__IPU_DISPB_DAT_14,
98 MX35_PAD_LD15__IPU_DISPB_DAT_15,
99 MX35_PAD_LD16__IPU_DISPB_DAT_16,
100 MX35_PAD_LD17__IPU_DISPB_DAT_17,
101 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
102 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
103 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
104 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
105 /* Backlight */
106 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
107 /* LCD_PWR */
108 MX35_PAD_D3_CLS__GPIO1_4,
109 /* LED */
110 MX35_PAD_LD23__GPIO3_29,
111 /* SWITCH */
112 MX35_PAD_LD19__GPIO3_25,
113 /* UART2 */
114 MX35_PAD_CTS2__UART2_CTS,
115 MX35_PAD_RTS2__UART2_RTS,
116 MX35_PAD_TXD2__UART2_TXD_MUX,
117 MX35_PAD_RXD2__UART2_RXD_MUX,
118 /* I2S */
119 MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
120 MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
121 MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
122 MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
123};
124
125#define GPIO_LED1 (2 * 32 + 29)
126#define GPIO_SWITCH1 (2 * 32 + 25)
127#define GPIO_LCDPWR (4)
128
129static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
130 unsigned int power)
131{
132 if (power)
133 gpio_direction_output(GPIO_LCDPWR, 1);
134 else
135 gpio_direction_output(GPIO_LCDPWR, 0);
136}
137
138static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
139 .set_power = eukrea_mbimxsd_lcd_power_set,
140};
141
142static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
143 .name = "platform-lcd",
144 .dev.platform_data = &eukrea_mbimxsd_lcd_power_data,
145};
146
147static struct gpio_led eukrea_mbimxsd_leds[] = {
148 {
149 .name = "led1",
150 .default_trigger = "heartbeat",
151 .active_low = 1,
152 .gpio = GPIO_LED1,
153 },
154};
155
156static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
157 .leds = eukrea_mbimxsd_leds,
158 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
159};
160
161static struct platform_device eukrea_mbimxsd_leds_gpio = {
162 .name = "leds-gpio",
163 .id = -1,
164 .dev = {
165 .platform_data = &eukrea_mbimxsd_led_info,
166 },
167};
168
169static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
170 {
171 .gpio = GPIO_SWITCH1,
172 .code = BTN_0,
173 .desc = "BP1",
174 .active_low = 1,
175 .wakeup = 1,
176 },
177};
178
179static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
180 .buttons = eukrea_mbimxsd_gpio_buttons,
181 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
182};
183
184static struct platform_device eukrea_mbimxsd_button_device = {
185 .name = "gpio-keys",
186 .id = -1,
187 .num_resources = 0,
188 .dev = {
189 .platform_data = &eukrea_mbimxsd_button_data,
190 }
191};
192
193static struct platform_device *platform_devices[] __initdata = {
194 &eukrea_mbimxsd_leds_gpio,
195 &eukrea_mbimxsd_button_device,
196 &eukrea_mbimxsd_lcd_powerdev,
197};
198
199static const struct imxuart_platform_data uart_pdata __initconst = {
200 .flags = IMXUART_HAVE_RTSCTS,
201};
202
203static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
204 {
205 I2C_BOARD_INFO("tlv320aic23", 0x1a),
206 },
207};
208
209struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = {
210 .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
211};
212
213/*
214 * system init for baseboard usage. Will be called by cpuimx35 init.
215 *
216 * Add platform devices present on this baseboard and init
217 * them from CPU side as far as required to use them later on
218 */
219void __init eukrea_mbimxsd_baseboard_init(void)
220{
221 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
222 ARRAY_SIZE(eukrea_mbimxsd_pads)))
223 printk(KERN_ERR "error setting mbimxsd pads !\n");
224
225#if defined(CONFIG_SND_SOC_EUKREA_TLV320)
226 /* SSI unit master I2S codec connected to SSI_AUD4 */
227 mxc_audmux_v2_configure_port(0,
228 MXC_AUDMUX_V2_PTCR_SYN |
229 MXC_AUDMUX_V2_PTCR_TFSDIR |
230 MXC_AUDMUX_V2_PTCR_TFSEL(3) |
231 MXC_AUDMUX_V2_PTCR_TCLKDIR |
232 MXC_AUDMUX_V2_PTCR_TCSEL(3),
233 MXC_AUDMUX_V2_PDCR_RXDSEL(3)
234 );
235 mxc_audmux_v2_configure_port(3,
236 MXC_AUDMUX_V2_PTCR_SYN,
237 MXC_AUDMUX_V2_PDCR_RXDSEL(0)
238 );
239#endif
240
241 imx35_add_imx_uart1(&uart_pdata);
242 mxc_register_device(&mx3_ipu, &mx3_ipu_data);
243 mxc_register_device(&mx3_fb, &mx3fb_pdata);
244
245 mxc_register_device(&imx_ssi_device0, &eukrea_mbimxsd_ssi_pdata);
246
247 gpio_request(GPIO_LED1, "LED1");
248 gpio_direction_output(GPIO_LED1, 1);
249 gpio_free(GPIO_LED1);
250
251 gpio_request(GPIO_SWITCH1, "SWITCH1");
252 gpio_direction_input(GPIO_SWITCH1);
253 gpio_free(GPIO_SWITCH1);
254
255 gpio_request(GPIO_LCDPWR, "LCDPWR");
256 gpio_direction_output(GPIO_LCDPWR, 1);
257 gpio_free(GPIO_SWITCH1);
258
259 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
260 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
261
262 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
263}
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-09 13:32:17 -0500