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/input.h>
26 #include <video/platform_lcd.h>
27
28 #include <mach/hardware.h>
29 #include <mach/iomux-mx25.h>
30 #include <mach/common.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <mach/mx25.h>
34 #include <mach/audmux.h>
35
36 #include "devices-imx25.h"
37
38 static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
39 /* LCD */
40 MX25_PAD_LD0__LD0,
41 MX25_PAD_LD1__LD1,
42 MX25_PAD_LD2__LD2,
43 MX25_PAD_LD3__LD3,
44 MX25_PAD_LD4__LD4,
45 MX25_PAD_LD5__LD5,
46 MX25_PAD_LD6__LD6,
47 MX25_PAD_LD7__LD7,
48 MX25_PAD_LD8__LD8,
49 MX25_PAD_LD9__LD9,
50 MX25_PAD_LD10__LD10,
51 MX25_PAD_LD11__LD11,
52 MX25_PAD_LD12__LD12,
53 MX25_PAD_LD13__LD13,
54 MX25_PAD_LD14__LD14,
55 MX25_PAD_LD15__LD15,
56 MX25_PAD_GPIO_E__LD16,
57 MX25_PAD_GPIO_F__LD17,
58 MX25_PAD_HSYNC__HSYNC,
59 MX25_PAD_VSYNC__VSYNC,
60 MX25_PAD_LSCLK__LSCLK,
61 MX25_PAD_OE_ACD__OE_ACD,
62 MX25_PAD_CONTRAST__CONTRAST,
63 /* LCD_PWR */
64 MX25_PAD_PWM__GPIO_1_26,
65 /* LED */
66 MX25_PAD_POWER_FAIL__GPIO_3_19,
67 /* SWITCH */
68 MX25_PAD_VSTBY_ACK__GPIO_3_18,
69 /* UART2 */
70 MX25_PAD_UART2_RTS__UART2_RTS,
71 MX25_PAD_UART2_CTS__UART2_CTS,
72 MX25_PAD_UART2_TXD__UART2_TXD,
73 MX25_PAD_UART2_RXD__UART2_RXD,
74 /* SD1 */
75 MX25_PAD_SD1_CMD__SD1_CMD,
76 MX25_PAD_SD1_CLK__SD1_CLK,
77 MX25_PAD_SD1_DATA0__SD1_DATA0,
78 MX25_PAD_SD1_DATA1__SD1_DATA1,
79 MX25_PAD_SD1_DATA2__SD1_DATA2,
80 MX25_PAD_SD1_DATA3__SD1_DATA3,
81 /* SD1 CD */
82 MX25_PAD_DE_B__GPIO_2_20,
83 /* I2S */
84 MX25_PAD_KPP_COL3__AUD5_TXFS,
85 MX25_PAD_KPP_COL2__AUD5_TXC,
86 MX25_PAD_KPP_COL1__AUD5_RXD,
87 MX25_PAD_KPP_COL0__AUD5_TXD,
88 /* CAN */
89 MX25_PAD_GPIO_D__CAN2_RX,
90 MX25_PAD_GPIO_C__CAN2_TX,
91 };
92
93 #define GPIO_LED1 83
94 #define GPIO_SWITCH1 82
95 #define GPIO_SD1CD 52
96 #define GPIO_LCDPWR 26
97
98 static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
99 {
100 .mode = {
101 .name = "CMO-QVGA",
102 .refresh = 60,
103 .xres = 320,
104 .yres = 240,
105 .pixclock = KHZ2PICOS(6500),
106 .left_margin = 30,
107 .right_margin = 38,
108 .upper_margin = 20,
109 .lower_margin = 3,
110 .hsync_len = 15,
111 .vsync_len = 4,
112 },
113 .bpp = 16,
114 .pcr = 0xCAD08B80,
115 }, {
116 .mode = {
117 .name = "DVI-VGA",
118 .refresh = 60,
119 .xres = 640,
120 .yres = 480,
121 .pixclock = 32000,
122 .hsync_len = 7,
123 .left_margin = 100,
124 .right_margin = 100,
125 .vsync_len = 7,
126 .upper_margin = 7,
127 .lower_margin = 100,
128 },
129 .pcr = 0xFA208B80,
130 .bpp = 16,
131 }, {
132 .mode = {
133 .name = "DVI-SVGA",
134 .refresh = 60,
135 .xres = 800,
136 .yres = 600,
137 .pixclock = 25000,
138 .hsync_len = 7,
139 .left_margin = 75,
140 .right_margin = 75,
141 .vsync_len = 7,
142 .upper_margin = 7,
143 .lower_margin = 75,
144 },
145 .pcr = 0xFA208B80,
146 .bpp = 16,
147 },
148 };
149
150 static const struct imx_fb_platform_data eukrea_mximxsd_fb_pdata __initconst = {
151 .mode = eukrea_mximxsd_modes,
152 .num_modes = ARRAY_SIZE(eukrea_mximxsd_modes),
153 .pwmr = 0x00A903FF,
154 .lscr1 = 0x00120300,
155 .dmacr = 0x00040060,
156 };
157
eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data * pd,unsigned int power)158 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
159 unsigned int power)
160 {
161 if (power)
162 gpio_direction_output(GPIO_LCDPWR, 1);
163 else
164 gpio_direction_output(GPIO_LCDPWR, 0);
165 }
166
167 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
168 .set_power = eukrea_mbimxsd_lcd_power_set,
169 };
170
171 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
172 .name = "platform-lcd",
173 .dev.platform_data = &eukrea_mbimxsd_lcd_power_data,
174 };
175
176 static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = {
177 {
178 .name = "led1",
179 .default_trigger = "heartbeat",
180 .active_low = 1,
181 .gpio = GPIO_LED1,
182 },
183 };
184
185 static const struct gpio_led_platform_data
186 eukrea_mbimxsd_led_info __initconst = {
187 .leds = eukrea_mbimxsd_leds,
188 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
189 };
190
191 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
192 {
193 .gpio = GPIO_SWITCH1,
194 .code = BTN_0,
195 .desc = "BP1",
196 .active_low = 1,
197 .wakeup = 1,
198 },
199 };
200
201 static const struct gpio_keys_platform_data
202 eukrea_mbimxsd_button_data __initconst = {
203 .buttons = eukrea_mbimxsd_gpio_buttons,
204 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
205 };
206
207 static struct platform_device *platform_devices[] __initdata = {
208 &eukrea_mbimxsd_lcd_powerdev,
209 };
210
211 static const struct imxuart_platform_data uart_pdata __initconst = {
212 .flags = IMXUART_HAVE_RTSCTS,
213 };
214
215 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
216 {
217 I2C_BOARD_INFO("tlv320aic23", 0x1a),
218 },
219 };
220
221 static const
222 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
223 .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
224 };
225
226 static struct esdhc_platform_data sd1_pdata = {
227 .cd_gpio = GPIO_SD1CD,
228 .cd_type = ESDHC_CD_GPIO,
229 .wp_type = ESDHC_WP_NONE,
230 };
231
232 /*
233 * system init for baseboard usage. Will be called by cpuimx25 init.
234 *
235 * Add platform devices present on this baseboard and init
236 * them from CPU side as far as required to use them later on
237 */
eukrea_mbimxsd25_baseboard_init(void)238 void __init eukrea_mbimxsd25_baseboard_init(void)
239 {
240 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
241 ARRAY_SIZE(eukrea_mbimxsd_pads)))
242 printk(KERN_ERR "error setting mbimxsd pads !\n");
243
244 #if defined(CONFIG_SND_SOC_EUKREA_TLV320)
245 /* SSI unit master I2S codec connected to SSI_AUD5*/
246 mxc_audmux_v2_configure_port(0,
247 MXC_AUDMUX_V2_PTCR_SYN |
248 MXC_AUDMUX_V2_PTCR_TFSDIR |
249 MXC_AUDMUX_V2_PTCR_TFSEL(4) |
250 MXC_AUDMUX_V2_PTCR_TCLKDIR |
251 MXC_AUDMUX_V2_PTCR_TCSEL(4),
252 MXC_AUDMUX_V2_PDCR_RXDSEL(4)
253 );
254 mxc_audmux_v2_configure_port(4,
255 MXC_AUDMUX_V2_PTCR_SYN,
256 MXC_AUDMUX_V2_PDCR_RXDSEL(0)
257 );
258 #endif
259
260 imx25_add_imx_uart1(&uart_pdata);
261 imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata);
262 imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
263
264 imx25_add_flexcan1(NULL);
265 imx25_add_sdhci_esdhc_imx(0, &sd1_pdata);
266
267 gpio_request(GPIO_LED1, "LED1");
268 gpio_direction_output(GPIO_LED1, 1);
269 gpio_free(GPIO_LED1);
270
271 gpio_request(GPIO_SWITCH1, "SWITCH1");
272 gpio_direction_input(GPIO_SWITCH1);
273 gpio_free(GPIO_SWITCH1);
274
275 gpio_request(GPIO_LCDPWR, "LCDPWR");
276 gpio_direction_output(GPIO_LCDPWR, 1);
277 gpio_free(GPIO_SWITCH1);
278
279 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
280 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
281
282 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
283 gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
284 imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
285 }
286