diff options
Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c')
-rw-r--r-- | arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c new file mode 100644 index 0000000..cb705c2 --- /dev/null +++ b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c @@ -0,0 +1,296 @@ +/* + * Copyright (C) 2010 Eric Benard - eric@eukrea.com + * + * Based on pcm970-baseboard.c which is : + * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <linux/gpio.h> +#include <linux/leds.h> +#include <linux/platform_device.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <video/platform_lcd.h> + +#include <mach/hardware.h> +#include <mach/iomux-mx25.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/mx25.h> +#include <mach/imx-uart.h> +#include <mach/audmux.h> + +#include "devices-imx25.h" + +static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { + /* LCD */ + MX25_PAD_LD0__LD0, + MX25_PAD_LD1__LD1, + MX25_PAD_LD2__LD2, + MX25_PAD_LD3__LD3, + MX25_PAD_LD4__LD4, + MX25_PAD_LD5__LD5, + MX25_PAD_LD6__LD6, + MX25_PAD_LD7__LD7, + MX25_PAD_LD8__LD8, + MX25_PAD_LD9__LD9, + MX25_PAD_LD10__LD10, + MX25_PAD_LD11__LD11, + MX25_PAD_LD12__LD12, + MX25_PAD_LD13__LD13, + MX25_PAD_LD14__LD14, + MX25_PAD_LD15__LD15, + MX25_PAD_GPIO_E__LD16, + MX25_PAD_GPIO_F__LD17, + MX25_PAD_HSYNC__HSYNC, + MX25_PAD_VSYNC__VSYNC, + MX25_PAD_LSCLK__LSCLK, + MX25_PAD_OE_ACD__OE_ACD, + MX25_PAD_CONTRAST__CONTRAST, + /* LCD_PWR */ + MX25_PAD_PWM__GPIO_1_26, + /* LED */ + MX25_PAD_POWER_FAIL__GPIO_3_19, + /* SWITCH */ + MX25_PAD_VSTBY_ACK__GPIO_3_18, + /* UART2 */ + MX25_PAD_UART2_RTS__UART2_RTS, + MX25_PAD_UART2_CTS__UART2_CTS, + MX25_PAD_UART2_TXD__UART2_TXD, + MX25_PAD_UART2_RXD__UART2_RXD, + /* SD1 */ + MX25_PAD_SD1_CMD__SD1_CMD, + MX25_PAD_SD1_CLK__SD1_CLK, + MX25_PAD_SD1_DATA0__SD1_DATA0, + MX25_PAD_SD1_DATA1__SD1_DATA1, + MX25_PAD_SD1_DATA2__SD1_DATA2, + MX25_PAD_SD1_DATA3__SD1_DATA3, + /* SD1 CD */ + MX25_PAD_DE_B__GPIO_2_20, + /* I2S */ + MX25_PAD_KPP_COL3__AUD5_TXFS, + MX25_PAD_KPP_COL2__AUD5_TXC, + MX25_PAD_KPP_COL1__AUD5_RXD, + MX25_PAD_KPP_COL0__AUD5_TXD, + /* CAN */ + MX25_PAD_GPIO_D__CAN2_RX, + MX25_PAD_GPIO_C__CAN2_TX, +}; + +#define GPIO_LED1 83 +#define GPIO_SWITCH1 82 +#define GPIO_SD1CD 52 +#define GPIO_LCDPWR 26 + +static struct imx_fb_videomode eukrea_mximxsd_modes[] = { + { + .mode = { + .name = "CMO-QVGA", + .refresh = 60, + .xres = 320, + .yres = 240, + .pixclock = KHZ2PICOS(6500), + .left_margin = 30, + .right_margin = 38, + .upper_margin = 20, + .lower_margin = 3, + .hsync_len = 15, + .vsync_len = 4, + }, + .bpp = 16, + .pcr = 0xCAD08B80, + }, { + .mode = { + .name = "DVI-VGA", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 32000, + .hsync_len = 7, + .left_margin = 100, + .right_margin = 100, + .vsync_len = 7, + .upper_margin = 7, + .lower_margin = 100, + }, + .pcr = 0xFA208B80, + .bpp = 16, + }, { + .mode = { + .name = "DVI-SVGA", + .refresh = 60, + .xres = 800, + .yres = 600, + .pixclock = 25000, + .hsync_len = 7, + .left_margin = 75, + .right_margin = 75, + .vsync_len = 7, + .upper_margin = 7, + .lower_margin = 75, + }, + .pcr = 0xFA208B80, + .bpp = 16, + }, +}; + +static const struct imx_fb_platform_data eukrea_mximxsd_fb_pdata __initconst = { + .mode = eukrea_mximxsd_modes, + .num_modes = ARRAY_SIZE(eukrea_mximxsd_modes), + .pwmr = 0x00A903FF, + .lscr1 = 0x00120300, + .dmacr = 0x00040060, +}; + +static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + if (power) + gpio_direction_output(GPIO_LCDPWR, 1); + else + gpio_direction_output(GPIO_LCDPWR, 0); +} + +static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = { + .set_power = eukrea_mbimxsd_lcd_power_set, +}; + +static struct platform_device eukrea_mbimxsd_lcd_powerdev = { + .name = "platform-lcd", + .dev.platform_data = &eukrea_mbimxsd_lcd_power_data, +}; + +static struct gpio_led eukrea_mbimxsd_leds[] = { + { + .name = "led1", + .default_trigger = "heartbeat", + .active_low = 1, + .gpio = GPIO_LED1, + }, +}; + +static struct gpio_led_platform_data eukrea_mbimxsd_led_info = { + .leds = eukrea_mbimxsd_leds, + .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), +}; + +static struct platform_device eukrea_mbimxsd_leds_gpio = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &eukrea_mbimxsd_led_info, + }, +}; + +static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { + { + .gpio = GPIO_SWITCH1, + .code = BTN_0, + .desc = "BP1", + .active_low = 1, + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = { + .buttons = eukrea_mbimxsd_gpio_buttons, + .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), +}; + +static struct platform_device eukrea_mbimxsd_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &eukrea_mbimxsd_button_data, + } +}; + +static struct platform_device *platform_devices[] __initdata = { + &eukrea_mbimxsd_leds_gpio, + &eukrea_mbimxsd_button_device, + &eukrea_mbimxsd_lcd_powerdev, +}; + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { + { + I2C_BOARD_INFO("tlv320aic23", 0x1a), + }, +}; + +static const +struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = { + .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE, +}; + +/* + * system init for baseboard usage. Will be called by cpuimx25 init. + * + * Add platform devices present on this baseboard and init + * them from CPU side as far as required to use them later on + */ +void __init eukrea_mbimxsd25_baseboard_init(void) +{ + if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, + ARRAY_SIZE(eukrea_mbimxsd_pads))) + printk(KERN_ERR "error setting mbimxsd pads !\n"); + +#if defined(CONFIG_SND_SOC_EUKREA_TLV320) + /* SSI unit master I2S codec connected to SSI_AUD5*/ + mxc_audmux_v2_configure_port(0, + MXC_AUDMUX_V2_PTCR_SYN | + MXC_AUDMUX_V2_PTCR_TFSDIR | + MXC_AUDMUX_V2_PTCR_TFSEL(4) | + MXC_AUDMUX_V2_PTCR_TCLKDIR | + MXC_AUDMUX_V2_PTCR_TCSEL(4), + MXC_AUDMUX_V2_PDCR_RXDSEL(4) + ); + mxc_audmux_v2_configure_port(4, + MXC_AUDMUX_V2_PTCR_SYN, + MXC_AUDMUX_V2_PDCR_RXDSEL(0) + ); +#endif + + imx25_add_imx_uart1(&uart_pdata); + imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata); + imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata); + + imx25_add_flexcan1(NULL); + imx25_add_sdhci_esdhc_imx(0, NULL); + + gpio_request(GPIO_LED1, "LED1"); + gpio_direction_output(GPIO_LED1, 1); + gpio_free(GPIO_LED1); + + gpio_request(GPIO_SWITCH1, "SWITCH1"); + gpio_direction_input(GPIO_SWITCH1); + gpio_free(GPIO_SWITCH1); + + gpio_request(GPIO_LCDPWR, "LCDPWR"); + gpio_direction_output(GPIO_LCDPWR, 1); + gpio_free(GPIO_SWITCH1); + + i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, + ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); + + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); +} |