diff options
Diffstat (limited to 'arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c')
| -rw-r--r-- | arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c | 260 | 
1 files changed, 260 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c new file mode 100644 index 00000000000..91931dcb068 --- /dev/null +++ b/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c @@ -0,0 +1,260 @@ +/* + * 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/imxfb.h> +#include <mach/ssi.h> +#include <mach/audmux.h> + +#include "devices-imx25.h" +#include "devices.h" + +static struct pad_desc 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, +}; + +#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, +	}, +}; + +static struct imx_fb_platform_data eukrea_mximxsd_fb_pdata = { +	.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), +	}, +}; + +struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = { +	.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_mbimxsd_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); +	mxc_register_device(&mx25_fb_device, &eukrea_mximxsd_fb_pdata); +	mxc_register_device(&imx_ssi_device0, &eukrea_mbimxsd_ssi_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); +	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)); +}  |