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 <video/platform_lcd.h>
31 #include <linux/i2c.h>
32
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/time.h>
36 #include <asm/mach/map.h>
37
38 #include <mach/hardware.h>
39 #include <mach/common.h>
40 #include <mach/iomux-mx35.h>
41 #include <mach/audmux.h>
42
43 #include "devices-imx35.h"
44
45 static const struct fb_videomode fb_modedb[] = {
46 {
47 .name = "CMO-QVGA",
48 .refresh = 60,
49 .xres = 320,
50 .yres = 240,
51 .pixclock = KHZ2PICOS(6500),
52 .left_margin = 68,
53 .right_margin = 20,
54 .upper_margin = 15,
55 .lower_margin = 4,
56 .hsync_len = 30,
57 .vsync_len = 3,
58 .sync = 0,
59 .vmode = FB_VMODE_NONINTERLACED,
60 .flag = 0,
61 },
62 {
63 .name = "DVI-VGA",
64 .refresh = 60,
65 .xres = 640,
66 .yres = 480,
67 .pixclock = 32000,
68 .left_margin = 100,
69 .right_margin = 100,
70 .upper_margin = 7,
71 .lower_margin = 100,
72 .hsync_len = 7,
73 .vsync_len = 7,
74 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
75 FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
76 .vmode = FB_VMODE_NONINTERLACED,
77 .flag = 0,
78 },
79 {
80 .name = "DVI-SVGA",
81 .refresh = 60,
82 .xres = 800,
83 .yres = 600,
84 .pixclock = 25000,
85 .left_margin = 75,
86 .right_margin = 75,
87 .upper_margin = 7,
88 .lower_margin = 75,
89 .hsync_len = 7,
90 .vsync_len = 7,
91 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
92 FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
93 .vmode = FB_VMODE_NONINTERLACED,
94 .flag = 0,
95 },
96 };
97
98 static const struct ipu_platform_data mx3_ipu_data __initconst = {
99 .irq_base = MXC_IPU_IRQ_START,
100 };
101
102 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
103 .name = "CMO-QVGA",
104 .mode = fb_modedb,
105 .num_modes = ARRAY_SIZE(fb_modedb),
106 };
107
108 static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
109 /* LCD */
110 MX35_PAD_LD0__IPU_DISPB_DAT_0,
111 MX35_PAD_LD1__IPU_DISPB_DAT_1,
112 MX35_PAD_LD2__IPU_DISPB_DAT_2,
113 MX35_PAD_LD3__IPU_DISPB_DAT_3,
114 MX35_PAD_LD4__IPU_DISPB_DAT_4,
115 MX35_PAD_LD5__IPU_DISPB_DAT_5,
116 MX35_PAD_LD6__IPU_DISPB_DAT_6,
117 MX35_PAD_LD7__IPU_DISPB_DAT_7,
118 MX35_PAD_LD8__IPU_DISPB_DAT_8,
119 MX35_PAD_LD9__IPU_DISPB_DAT_9,
120 MX35_PAD_LD10__IPU_DISPB_DAT_10,
121 MX35_PAD_LD11__IPU_DISPB_DAT_11,
122 MX35_PAD_LD12__IPU_DISPB_DAT_12,
123 MX35_PAD_LD13__IPU_DISPB_DAT_13,
124 MX35_PAD_LD14__IPU_DISPB_DAT_14,
125 MX35_PAD_LD15__IPU_DISPB_DAT_15,
126 MX35_PAD_LD16__IPU_DISPB_DAT_16,
127 MX35_PAD_LD17__IPU_DISPB_DAT_17,
128 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
129 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
130 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
131 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
132 /* Backlight */
133 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
134 /* LCD_PWR */
135 MX35_PAD_D3_CLS__GPIO1_4,
136 /* LED */
137 MX35_PAD_LD23__GPIO3_29,
138 /* SWITCH */
139 MX35_PAD_LD19__GPIO3_25,
140 /* UART2 */
141 MX35_PAD_CTS2__UART2_CTS,
142 MX35_PAD_RTS2__UART2_RTS,
143 MX35_PAD_TXD2__UART2_TXD_MUX,
144 MX35_PAD_RXD2__UART2_RXD_MUX,
145 /* I2S */
146 MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
147 MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
148 MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
149 MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
150 /* CAN2 */
151 MX35_PAD_TX5_RX0__CAN2_TXCAN,
152 MX35_PAD_TX4_RX1__CAN2_RXCAN,
153 /* SDCARD */
154 MX35_PAD_SD1_CMD__ESDHC1_CMD,
155 MX35_PAD_SD1_CLK__ESDHC1_CLK,
156 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
157 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
158 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
159 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
160 /* SD1 CD */
161 MX35_PAD_LD18__GPIO3_24,
162 };
163
164 #define GPIO_LED1 IMX_GPIO_NR(3, 29)
165 #define GPIO_SWITCH1 IMX_GPIO_NR(3, 25)
166 #define GPIO_LCDPWR IMX_GPIO_NR(1, 4)
167 #define GPIO_SD1CD IMX_GPIO_NR(3, 24)
168
eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data * pd,unsigned int power)169 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
170 unsigned int power)
171 {
172 if (power)
173 gpio_direction_output(GPIO_LCDPWR, 1);
174 else
175 gpio_direction_output(GPIO_LCDPWR, 0);
176 }
177
178 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
179 .set_power = eukrea_mbimxsd_lcd_power_set,
180 };
181
182 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
183 .name = "platform-lcd",
184 .dev.platform_data = &eukrea_mbimxsd_lcd_power_data,
185 };
186
187 static struct gpio_led eukrea_mbimxsd_leds[] = {
188 {
189 .name = "led1",
190 .default_trigger = "heartbeat",
191 .active_low = 1,
192 .gpio = GPIO_LED1,
193 },
194 };
195
196 static const struct gpio_led_platform_data
197 eukrea_mbimxsd_led_info __initconst = {
198 .leds = eukrea_mbimxsd_leds,
199 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
200 };
201
202 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
203 {
204 .gpio = GPIO_SWITCH1,
205 .code = BTN_0,
206 .desc = "BP1",
207 .active_low = 1,
208 .wakeup = 1,
209 },
210 };
211
212 static const struct gpio_keys_platform_data
213 eukrea_mbimxsd_button_data __initconst = {
214 .buttons = eukrea_mbimxsd_gpio_buttons,
215 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
216 };
217
218 static struct platform_device *platform_devices[] __initdata = {
219 &eukrea_mbimxsd_lcd_powerdev,
220 };
221
222 static const struct imxuart_platform_data uart_pdata __initconst = {
223 .flags = IMXUART_HAVE_RTSCTS,
224 };
225
226 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
227 {
228 I2C_BOARD_INFO("tlv320aic23", 0x1a),
229 },
230 };
231
232 static const
233 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
234 .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
235 };
236
237 static struct esdhc_platform_data sd1_pdata = {
238 .cd_gpio = GPIO_SD1CD,
239 .cd_type = ESDHC_CD_GPIO,
240 .wp_type = ESDHC_WP_NONE,
241 };
242
243 /*
244 * system init for baseboard usage. Will be called by cpuimx35 init.
245 *
246 * Add platform devices present on this baseboard and init
247 * them from CPU side as far as required to use them later on
248 */
eukrea_mbimxsd35_baseboard_init(void)249 void __init eukrea_mbimxsd35_baseboard_init(void)
250 {
251 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
252 ARRAY_SIZE(eukrea_mbimxsd_pads)))
253 printk(KERN_ERR "error setting mbimxsd pads !\n");
254
255 #if defined(CONFIG_SND_SOC_EUKREA_TLV320)
256 /* SSI unit master I2S codec connected to SSI_AUD4 */
257 mxc_audmux_v2_configure_port(0,
258 MXC_AUDMUX_V2_PTCR_SYN |
259 MXC_AUDMUX_V2_PTCR_TFSDIR |
260 MXC_AUDMUX_V2_PTCR_TFSEL(3) |
261 MXC_AUDMUX_V2_PTCR_TCLKDIR |
262 MXC_AUDMUX_V2_PTCR_TCSEL(3),
263 MXC_AUDMUX_V2_PDCR_RXDSEL(3)
264 );
265 mxc_audmux_v2_configure_port(3,
266 MXC_AUDMUX_V2_PTCR_SYN,
267 MXC_AUDMUX_V2_PDCR_RXDSEL(0)
268 );
269 #endif
270
271 imx35_add_imx_uart1(&uart_pdata);
272 imx35_add_ipu_core(&mx3_ipu_data);
273 imx35_add_mx3_sdc_fb(&mx3fb_pdata);
274
275 imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
276
277 imx35_add_flexcan1(NULL);
278 imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
279
280 gpio_request(GPIO_LED1, "LED1");
281 gpio_direction_output(GPIO_LED1, 1);
282 gpio_free(GPIO_LED1);
283
284 gpio_request(GPIO_SWITCH1, "SWITCH1");
285 gpio_direction_input(GPIO_SWITCH1);
286 gpio_free(GPIO_SWITCH1);
287
288 gpio_request(GPIO_LCDPWR, "LCDPWR");
289 gpio_direction_output(GPIO_LCDPWR, 1);
290
291 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
292 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
293
294 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
295 gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
296 imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
297 }
298