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Eric Bénard21744f12010-06-10 16:07:50 +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/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
Eric Bénard21744f12010-06-10 16:07:50 +020039#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>
Eric Bénard21744f12010-06-10 16:07:50 +020046
Uwe Kleine-König2dcf78c2010-06-30 12:16:24 +020047#include "devices-imx35.h"
Eric Bénard21744f12010-06-10 16:07:50 +020048#include "devices.h"
49
50static const struct fb_videomode fb_modedb[] = {
51 {
Eric Bénardc0550c42010-10-08 10:56:10 +020052 .name = "CMO-QVGA",
Eric Bénard21744f12010-06-10 16:07:50 +020053 .refresh = 60,
54 .xres = 320,
55 .yres = 240,
56 .pixclock = KHZ2PICOS(6500),
57 .left_margin = 68,
58 .right_margin = 20,
59 .upper_margin = 15,
60 .lower_margin = 4,
61 .hsync_len = 30,
62 .vsync_len = 3,
63 .sync = 0,
64 .vmode = FB_VMODE_NONINTERLACED,
65 .flag = 0,
66 },
Eric Bénardc0550c42010-10-08 10:56:10 +020067 {
68 .name = "DVI-VGA",
69 .refresh = 60,
70 .xres = 640,
71 .yres = 480,
72 .pixclock = 32000,
73 .left_margin = 100,
74 .right_margin = 100,
75 .upper_margin = 7,
76 .lower_margin = 100,
77 .hsync_len = 7,
78 .vsync_len = 7,
79 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
80 FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
81 .vmode = FB_VMODE_NONINTERLACED,
82 .flag = 0,
83 },
84 {
85 .name = "DVI-SVGA",
86 .refresh = 60,
87 .xres = 800,
88 .yres = 600,
89 .pixclock = 25000,
90 .left_margin = 75,
91 .right_margin = 75,
92 .upper_margin = 7,
93 .lower_margin = 75,
94 .hsync_len = 7,
95 .vsync_len = 7,
96 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
97 FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
98 .vmode = FB_VMODE_NONINTERLACED,
99 .flag = 0,
100 },
Eric Bénard21744f12010-06-10 16:07:50 +0200101};
102
103static struct ipu_platform_data mx3_ipu_data = {
104 .irq_base = MXC_IPU_IRQ_START,
105};
106
107static struct mx3fb_platform_data mx3fb_pdata = {
108 .dma_dev = &mx3_ipu.dev,
Eric Bénardc0550c42010-10-08 10:56:10 +0200109 .name = "CMO-QVGA",
Eric Bénard21744f12010-06-10 16:07:50 +0200110 .mode = fb_modedb,
111 .num_modes = ARRAY_SIZE(fb_modedb),
112};
113
Lothar Waßmann8f5260c2010-10-26 14:28:31 +0200114static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
Eric Bénard21744f12010-06-10 16:07:50 +0200115 /* LCD */
116 MX35_PAD_LD0__IPU_DISPB_DAT_0,
117 MX35_PAD_LD1__IPU_DISPB_DAT_1,
118 MX35_PAD_LD2__IPU_DISPB_DAT_2,
119 MX35_PAD_LD3__IPU_DISPB_DAT_3,
120 MX35_PAD_LD4__IPU_DISPB_DAT_4,
121 MX35_PAD_LD5__IPU_DISPB_DAT_5,
122 MX35_PAD_LD6__IPU_DISPB_DAT_6,
123 MX35_PAD_LD7__IPU_DISPB_DAT_7,
124 MX35_PAD_LD8__IPU_DISPB_DAT_8,
125 MX35_PAD_LD9__IPU_DISPB_DAT_9,
126 MX35_PAD_LD10__IPU_DISPB_DAT_10,
127 MX35_PAD_LD11__IPU_DISPB_DAT_11,
128 MX35_PAD_LD12__IPU_DISPB_DAT_12,
129 MX35_PAD_LD13__IPU_DISPB_DAT_13,
130 MX35_PAD_LD14__IPU_DISPB_DAT_14,
131 MX35_PAD_LD15__IPU_DISPB_DAT_15,
132 MX35_PAD_LD16__IPU_DISPB_DAT_16,
133 MX35_PAD_LD17__IPU_DISPB_DAT_17,
134 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
135 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
136 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
137 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
138 /* Backlight */
139 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
140 /* LCD_PWR */
141 MX35_PAD_D3_CLS__GPIO1_4,
142 /* LED */
143 MX35_PAD_LD23__GPIO3_29,
144 /* SWITCH */
145 MX35_PAD_LD19__GPIO3_25,
146 /* UART2 */
147 MX35_PAD_CTS2__UART2_CTS,
148 MX35_PAD_RTS2__UART2_RTS,
149 MX35_PAD_TXD2__UART2_TXD_MUX,
150 MX35_PAD_RXD2__UART2_RXD_MUX,
151 /* I2S */
152 MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
153 MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
154 MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
155 MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
Eric Bénard438a4d62010-10-02 17:15:27 +0200156 /* CAN2 */
157 MX35_PAD_TX5_RX0__CAN2_TXCAN,
158 MX35_PAD_TX4_RX1__CAN2_RXCAN,
159 /* SDCARD */
160 MX35_PAD_SD1_CMD__ESDHC1_CMD,
161 MX35_PAD_SD1_CLK__ESDHC1_CLK,
162 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
163 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
164 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
165 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
Eric Bénard21744f12010-06-10 16:07:50 +0200166};
167
Wolfram Sangd4abe932011-02-23 14:51:58 +0100168#define GPIO_LED1 IMX_GPIO_NR(3, 29)
169#define GPIO_SWITCH1 IMX_GPIO_NR(3, 25)
Eric Bénard21744f12010-06-10 16:07:50 +0200170#define GPIO_LCDPWR (4)
171
172static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
173 unsigned int power)
174{
175 if (power)
176 gpio_direction_output(GPIO_LCDPWR, 1);
177 else
178 gpio_direction_output(GPIO_LCDPWR, 0);
179}
180
181static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
182 .set_power = eukrea_mbimxsd_lcd_power_set,
183};
184
185static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
186 .name = "platform-lcd",
187 .dev.platform_data = &eukrea_mbimxsd_lcd_power_data,
188};
189
190static struct gpio_led eukrea_mbimxsd_leds[] = {
191 {
192 .name = "led1",
193 .default_trigger = "heartbeat",
194 .active_low = 1,
195 .gpio = GPIO_LED1,
196 },
197};
198
199static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
200 .leds = eukrea_mbimxsd_leds,
201 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
202};
203
204static struct platform_device eukrea_mbimxsd_leds_gpio = {
205 .name = "leds-gpio",
206 .id = -1,
207 .dev = {
208 .platform_data = &eukrea_mbimxsd_led_info,
209 },
210};
211
212static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
213 {
214 .gpio = GPIO_SWITCH1,
215 .code = BTN_0,
216 .desc = "BP1",
217 .active_low = 1,
218 .wakeup = 1,
219 },
220};
221
222static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
223 .buttons = eukrea_mbimxsd_gpio_buttons,
224 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
225};
226
227static struct platform_device eukrea_mbimxsd_button_device = {
228 .name = "gpio-keys",
229 .id = -1,
230 .num_resources = 0,
231 .dev = {
232 .platform_data = &eukrea_mbimxsd_button_data,
233 }
234};
235
236static struct platform_device *platform_devices[] __initdata = {
237 &eukrea_mbimxsd_leds_gpio,
238 &eukrea_mbimxsd_button_device,
239 &eukrea_mbimxsd_lcd_powerdev,
240};
241
Uwe Kleine-König2dcf78c2010-06-30 12:16:24 +0200242static const struct imxuart_platform_data uart_pdata __initconst = {
Eric Bénard21744f12010-06-10 16:07:50 +0200243 .flags = IMXUART_HAVE_RTSCTS,
244};
245
246static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
247 {
248 I2C_BOARD_INFO("tlv320aic23", 0x1a),
249 },
250};
251
Uwe Kleine-König4697bb922010-08-25 17:37:45 +0200252static const
253struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
Eric Bénard21744f12010-06-10 16:07:50 +0200254 .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
255};
256
257/*
258 * system init for baseboard usage. Will be called by cpuimx35 init.
259 *
260 * Add platform devices present on this baseboard and init
261 * them from CPU side as far as required to use them later on
262 */
Eric Bénardec53fe32010-07-30 22:58:40 +0200263void __init eukrea_mbimxsd35_baseboard_init(void)
Eric Bénard21744f12010-06-10 16:07:50 +0200264{
265 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
266 ARRAY_SIZE(eukrea_mbimxsd_pads)))
267 printk(KERN_ERR "error setting mbimxsd pads !\n");
268
269#if defined(CONFIG_SND_SOC_EUKREA_TLV320)
270 /* SSI unit master I2S codec connected to SSI_AUD4 */
271 mxc_audmux_v2_configure_port(0,
272 MXC_AUDMUX_V2_PTCR_SYN |
273 MXC_AUDMUX_V2_PTCR_TFSDIR |
274 MXC_AUDMUX_V2_PTCR_TFSEL(3) |
275 MXC_AUDMUX_V2_PTCR_TCLKDIR |
276 MXC_AUDMUX_V2_PTCR_TCSEL(3),
277 MXC_AUDMUX_V2_PDCR_RXDSEL(3)
278 );
279 mxc_audmux_v2_configure_port(3,
280 MXC_AUDMUX_V2_PTCR_SYN,
281 MXC_AUDMUX_V2_PDCR_RXDSEL(0)
282 );
283#endif
284
Uwe Kleine-König2dcf78c2010-06-30 12:16:24 +0200285 imx35_add_imx_uart1(&uart_pdata);
Eric Bénard21744f12010-06-10 16:07:50 +0200286 mxc_register_device(&mx3_ipu, &mx3_ipu_data);
287 mxc_register_device(&mx3_fb, &mx3fb_pdata);
288
Uwe Kleine-König4697bb922010-08-25 17:37:45 +0200289 imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
Eric Bénard21744f12010-06-10 16:07:50 +0200290
Eric Bénard438a4d62010-10-02 17:15:27 +0200291 imx35_add_flexcan1(NULL);
Uwe Kleine-König124bf942010-11-19 21:03:33 +0100292 imx35_add_sdhci_esdhc_imx(0, NULL);
Eric Bénard438a4d62010-10-02 17:15:27 +0200293
Eric Bénard21744f12010-06-10 16:07:50 +0200294 gpio_request(GPIO_LED1, "LED1");
295 gpio_direction_output(GPIO_LED1, 1);
296 gpio_free(GPIO_LED1);
297
298 gpio_request(GPIO_SWITCH1, "SWITCH1");
299 gpio_direction_input(GPIO_SWITCH1);
300 gpio_free(GPIO_SWITCH1);
301
302 gpio_request(GPIO_LCDPWR, "LCDPWR");
303 gpio_direction_output(GPIO_LCDPWR, 1);
Fabio Estevamf1de1612010-10-14 08:38:04 -0700304 gpio_free(GPIO_LCDPWR);
Eric Bénard21744f12010-06-10 16:07:50 +0200305
306 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
307 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
308
309 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
310}