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 <linux/spi/spi.h> 27#include <video/platform_lcd.h> 28 29#include <asm/mach-types.h> 30#include <asm/mach/arch.h> 31 32#include "common.h" 33#include "devices-imx25.h" 34#include "hardware.h" 35#include "iomux-mx25.h" 36#include "mx25.h" 37 38static 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 /* SPI1 */ 92 MX25_PAD_CSPI1_MOSI__CSPI1_MOSI, 93 MX25_PAD_CSPI1_MISO__CSPI1_MISO, 94 MX25_PAD_CSPI1_SS0__GPIO_1_16, 95 MX25_PAD_CSPI1_SS1__GPIO_1_17, 96 MX25_PAD_CSPI1_SCLK__CSPI1_SCLK, 97 MX25_PAD_CSPI1_RDY__GPIO_2_22, 98}; 99 100#define GPIO_LED1 IMX_GPIO_NR(3, 19) 101#define GPIO_SWITCH1 IMX_GPIO_NR(3, 18) 102#define GPIO_SD1CD IMX_GPIO_NR(2, 20) 103#define GPIO_LCDPWR IMX_GPIO_NR(1, 26) 104#define GPIO_SPI1_SS0 IMX_GPIO_NR(1, 16) 105#define GPIO_SPI1_SS1 IMX_GPIO_NR(1, 17) 106#define GPIO_SPI1_IRQ IMX_GPIO_NR(2, 22) 107 108static struct imx_fb_videomode eukrea_mximxsd_modes[] = { 109 { 110 .mode = { 111 .name = "CMO-QVGA", 112 .refresh = 60, 113 .xres = 320, 114 .yres = 240, 115 .pixclock = KHZ2PICOS(6500), 116 .left_margin = 30, 117 .right_margin = 38, 118 .upper_margin = 20, 119 .lower_margin = 3, 120 .hsync_len = 15, 121 .vsync_len = 4, 122 }, 123 .bpp = 16, 124 .pcr = 0xCAD08B80, 125 }, { 126 .mode = { 127 .name = "DVI-VGA", 128 .refresh = 60, 129 .xres = 640, 130 .yres = 480, 131 .pixclock = 32000, 132 .hsync_len = 7, 133 .left_margin = 100, 134 .right_margin = 100, 135 .vsync_len = 7, 136 .upper_margin = 7, 137 .lower_margin = 100, 138 }, 139 .pcr = 0xFA208B80, 140 .bpp = 16, 141 }, { 142 .mode = { 143 .name = "DVI-SVGA", 144 .refresh = 60, 145 .xres = 800, 146 .yres = 600, 147 .pixclock = 25000, 148 .hsync_len = 7, 149 .left_margin = 75, 150 .right_margin = 75, 151 .vsync_len = 7, 152 .upper_margin = 7, 153 .lower_margin = 75, 154 }, 155 .pcr = 0xFA208B80, 156 .bpp = 16, 157 }, 158}; 159 160static const struct imx_fb_platform_data eukrea_mximxsd_fb_pdata __initconst = { 161 .mode = eukrea_mximxsd_modes, 162 .num_modes = ARRAY_SIZE(eukrea_mximxsd_modes), 163 .pwmr = 0x00A903FF, 164 .lscr1 = 0x00120300, 165 .dmacr = 0x00040060, 166}; 167 168static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd, 169 unsigned int power) 170{ 171 if (power) 172 gpio_direction_output(GPIO_LCDPWR, 1); 173 else 174 gpio_direction_output(GPIO_LCDPWR, 0); 175} 176 177static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = { 178 .set_power = eukrea_mbimxsd_lcd_power_set, 179}; 180 181static struct platform_device eukrea_mbimxsd_lcd_powerdev = { 182 .name = "platform-lcd", 183 .dev.platform_data = &eukrea_mbimxsd_lcd_power_data, 184}; 185 186static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = { 187 { 188 .name = "led1", 189 .default_trigger = "heartbeat", 190 .active_low = 1, 191 .gpio = GPIO_LED1, 192 }, 193}; 194 195static const struct gpio_led_platform_data 196 eukrea_mbimxsd_led_info __initconst = { 197 .leds = eukrea_mbimxsd_leds, 198 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), 199}; 200 201static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { 202 { 203 .gpio = GPIO_SWITCH1, 204 .code = BTN_0, 205 .desc = "BP1", 206 .active_low = 1, 207 .wakeup = 1, 208 }, 209}; 210 211static const struct gpio_keys_platform_data 212 eukrea_mbimxsd_button_data __initconst = { 213 .buttons = eukrea_mbimxsd_gpio_buttons, 214 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), 215}; 216 217static struct platform_device *platform_devices[] __initdata = { 218 &eukrea_mbimxsd_lcd_powerdev, 219}; 220 221static const struct imxuart_platform_data uart_pdata __initconst = { 222 .flags = IMXUART_HAVE_RTSCTS, 223}; 224 225static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { 226 { 227 I2C_BOARD_INFO("tlv320aic23", 0x1a), 228 }, 229}; 230 231static const 232struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = { 233 .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE, 234}; 235 236static struct esdhc_platform_data sd1_pdata = { 237 .cd_gpio = GPIO_SD1CD, 238 .cd_type = ESDHC_CD_GPIO, 239 .wp_type = ESDHC_WP_NONE, 240}; 241 242static struct spi_board_info eukrea_mbimxsd25_spi_board_info[] __initdata = { 243 { 244 .modalias = "spidev", 245 .max_speed_hz = 20000000, 246 .bus_num = 0, 247 .chip_select = 0, 248 .mode = SPI_MODE_0, 249 }, 250 { 251 .modalias = "spidev", 252 .max_speed_hz = 20000000, 253 .bus_num = 0, 254 .chip_select = 1, 255 .mode = SPI_MODE_0, 256 }, 257}; 258 259static int eukrea_mbimxsd25_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1}; 260 261static const struct spi_imx_master eukrea_mbimxsd25_spi0_data __initconst = { 262 .chipselect = eukrea_mbimxsd25_spi_cs, 263 .num_chipselect = ARRAY_SIZE(eukrea_mbimxsd25_spi_cs), 264}; 265 266/* 267 * system init for baseboard usage. Will be called by cpuimx25 init. 268 * 269 * Add platform devices present on this baseboard and init 270 * them from CPU side as far as required to use them later on 271 */ 272void __init eukrea_mbimxsd25_baseboard_init(void) 273{ 274 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, 275 ARRAY_SIZE(eukrea_mbimxsd_pads))) 276 printk(KERN_ERR "error setting mbimxsd pads !\n"); 277 278 imx25_add_imx_uart1(&uart_pdata); 279 imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata); 280 imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata); 281 282 imx25_add_flexcan1(); 283 imx25_add_sdhci_esdhc_imx(0, &sd1_pdata); 284 285 gpio_request(GPIO_LED1, "LED1"); 286 gpio_direction_output(GPIO_LED1, 1); 287 gpio_free(GPIO_LED1); 288 289 gpio_request(GPIO_SWITCH1, "SWITCH1"); 290 gpio_direction_input(GPIO_SWITCH1); 291 gpio_free(GPIO_SWITCH1); 292 293 gpio_request(GPIO_LCDPWR, "LCDPWR"); 294 gpio_direction_output(GPIO_LCDPWR, 1); 295 296 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, 297 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); 298 299 gpio_request(GPIO_SPI1_IRQ, "SPI1_IRQ"); 300 gpio_direction_input(GPIO_SPI1_IRQ); 301 gpio_free(GPIO_SPI1_IRQ); 302 imx25_add_spi_imx0(&eukrea_mbimxsd25_spi0_data); 303 spi_register_board_info(eukrea_mbimxsd25_spi_board_info, 304 ARRAY_SIZE(eukrea_mbimxsd25_spi_board_info)); 305 306 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); 307 gpio_led_register_device(-1, &eukrea_mbimxsd_led_info); 308 imx_add_gpio_keys(&eukrea_mbimxsd_button_data); 309 imx_add_platform_device("eukrea_tlv320", 0, NULL, 0, NULL, 0); 310} 311