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_mbimxsd35_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} 264