diff options
Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c')
| -rw-r--r-- | arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c | 303 | 
1 files changed, 303 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c new file mode 100644 index 00000000000..4909ea05855 --- /dev/null +++ b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c @@ -0,0 +1,303 @@ +/* + * 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/types.h> +#include <linux/init.h> + +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/leds.h> +#include <linux/platform_device.h> +#include <linux/input.h> +#include <video/platform_lcd.h> +#include <linux/i2c.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/iomux-mx35.h> +#include <mach/audmux.h> + +#include "devices-imx35.h" + +static const struct fb_videomode fb_modedb[] = { +	{ +		.name		= "CMO-QVGA", +		.refresh	= 60, +		.xres		= 320, +		.yres		= 240, +		.pixclock	= KHZ2PICOS(6500), +		.left_margin	= 68, +		.right_margin	= 20, +		.upper_margin	= 15, +		.lower_margin	= 4, +		.hsync_len	= 30, +		.vsync_len	= 3, +		.sync		= 0, +		.vmode		= FB_VMODE_NONINTERLACED, +		.flag		= 0, +	}, +	{ +		.name		= "DVI-VGA", +		.refresh	= 60, +		.xres		= 640, +		.yres		= 480, +		.pixclock	= 32000, +		.left_margin	= 100, +		.right_margin	= 100, +		.upper_margin	= 7, +		.lower_margin	= 100, +		.hsync_len	= 7, +		.vsync_len	= 7, +		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT | +				  FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT, +		.vmode		= FB_VMODE_NONINTERLACED, +		.flag		= 0, +	}, +	{ +		.name		= "DVI-SVGA", +		.refresh	= 60, +		.xres		= 800, +		.yres		= 600, +		.pixclock	= 25000, +		.left_margin	= 75, +		.right_margin	= 75, +		.upper_margin	= 7, +		.lower_margin	= 75, +		.hsync_len	= 7, +		.vsync_len	= 7, +		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT | +				  FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT, +		.vmode		= FB_VMODE_NONINTERLACED, +		.flag		= 0, +	}, +}; + +static const struct ipu_platform_data mx3_ipu_data __initconst = { +	.irq_base = MXC_IPU_IRQ_START, +}; + +static struct mx3fb_platform_data mx3fb_pdata __initdata = { +	.name		= "CMO-QVGA", +	.mode		= fb_modedb, +	.num_modes	= ARRAY_SIZE(fb_modedb), +}; + +static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { +	/* LCD */ +	MX35_PAD_LD0__IPU_DISPB_DAT_0, +	MX35_PAD_LD1__IPU_DISPB_DAT_1, +	MX35_PAD_LD2__IPU_DISPB_DAT_2, +	MX35_PAD_LD3__IPU_DISPB_DAT_3, +	MX35_PAD_LD4__IPU_DISPB_DAT_4, +	MX35_PAD_LD5__IPU_DISPB_DAT_5, +	MX35_PAD_LD6__IPU_DISPB_DAT_6, +	MX35_PAD_LD7__IPU_DISPB_DAT_7, +	MX35_PAD_LD8__IPU_DISPB_DAT_8, +	MX35_PAD_LD9__IPU_DISPB_DAT_9, +	MX35_PAD_LD10__IPU_DISPB_DAT_10, +	MX35_PAD_LD11__IPU_DISPB_DAT_11, +	MX35_PAD_LD12__IPU_DISPB_DAT_12, +	MX35_PAD_LD13__IPU_DISPB_DAT_13, +	MX35_PAD_LD14__IPU_DISPB_DAT_14, +	MX35_PAD_LD15__IPU_DISPB_DAT_15, +	MX35_PAD_LD16__IPU_DISPB_DAT_16, +	MX35_PAD_LD17__IPU_DISPB_DAT_17, +	MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC, +	MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK, +	MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY, +	MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC, +	/* Backlight */ +	MX35_PAD_CONTRAST__IPU_DISPB_CONTR, +	/* LCD_PWR */ +	MX35_PAD_D3_CLS__GPIO1_4, +	/* LED */ +	MX35_PAD_LD23__GPIO3_29, +	/* SWITCH */ +	MX35_PAD_LD19__GPIO3_25, +	/* UART2 */ +	MX35_PAD_CTS2__UART2_CTS, +	MX35_PAD_RTS2__UART2_RTS, +	MX35_PAD_TXD2__UART2_TXD_MUX, +	MX35_PAD_RXD2__UART2_RXD_MUX, +	/* I2S */ +	MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS, +	MX35_PAD_STXD4__AUDMUX_AUD4_TXD, +	MX35_PAD_SRXD4__AUDMUX_AUD4_RXD, +	MX35_PAD_SCK4__AUDMUX_AUD4_TXC, +	/* CAN2 */ +	MX35_PAD_TX5_RX0__CAN2_TXCAN, +	MX35_PAD_TX4_RX1__CAN2_RXCAN, +	/* SDCARD */ +	MX35_PAD_SD1_CMD__ESDHC1_CMD, +	MX35_PAD_SD1_CLK__ESDHC1_CLK, +	MX35_PAD_SD1_DATA0__ESDHC1_DAT0, +	MX35_PAD_SD1_DATA1__ESDHC1_DAT1, +	MX35_PAD_SD1_DATA2__ESDHC1_DAT2, +	MX35_PAD_SD1_DATA3__ESDHC1_DAT3, +	/* SD1 CD */ +	MX35_PAD_LD18__GPIO3_24, +}; + +#define GPIO_LED1	IMX_GPIO_NR(3, 29) +#define GPIO_SWITCH1	IMX_GPIO_NR(3, 25) +#define GPIO_LCDPWR	IMX_GPIO_NR(1, 4) +#define GPIO_SD1CD	IMX_GPIO_NR(3, 24) + +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 const struct gpio_keys_platform_data +		eukrea_mbimxsd_button_data __initconst = { +	.buttons	= eukrea_mbimxsd_gpio_buttons, +	.nbuttons	= ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), +}; + +static struct platform_device *platform_devices[] __initdata = { +	&eukrea_mbimxsd_leds_gpio, +	&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, +}; + +static struct esdhc_platform_data sd1_pdata = { +	.cd_gpio = GPIO_SD1CD, +	.wp_gpio = -EINVAL, +}; + +/* + * system init for baseboard usage. Will be called by cpuimx35 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_mbimxsd35_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_AUD4 */ +	mxc_audmux_v2_configure_port(0, +			MXC_AUDMUX_V2_PTCR_SYN | +			MXC_AUDMUX_V2_PTCR_TFSDIR | +			MXC_AUDMUX_V2_PTCR_TFSEL(3) | +			MXC_AUDMUX_V2_PTCR_TCLKDIR | +			MXC_AUDMUX_V2_PTCR_TCSEL(3), +			MXC_AUDMUX_V2_PDCR_RXDSEL(3) +	); +	mxc_audmux_v2_configure_port(3, +			MXC_AUDMUX_V2_PTCR_SYN, +			MXC_AUDMUX_V2_PDCR_RXDSEL(0) +	); +#endif + +	imx35_add_imx_uart1(&uart_pdata); +	imx35_add_ipu_core(&mx3_ipu_data); +	imx35_add_mx3_sdc_fb(&mx3fb_pdata); + +	imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata); + +	imx35_add_flexcan1(NULL); +	imx35_add_sdhci_esdhc_imx(0, &sd1_pdata); + +	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); + +	i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, +				ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); + +	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); +	imx_add_gpio_keys(&eukrea_mbimxsd_button_data); +}  |