diff options
author | Eric Bénard <eric@eukrea.com> | 2010-06-10 18:07:50 +0400 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-07-26 16:18:19 +0400 |
commit | 21744f193d3ee520c252cd9db0bdfac8ed3cd35f (patch) | |
tree | 076efcb6cf0aad8a2fe846a151af3cfec843ad72 /arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c | |
parent | ac0eb0f3ca3e3fff6ac083ee3a51b98f87d67843 (diff) | |
download | linux-21744f193d3ee520c252cd9db0bdfac8ed3cd35f.tar.xz |
i.MX35: add cpuimx35 support and its baseboard
* cpuimx35 integrates i.MX35, RAM, NAND, Ethernet, I2C RTC, USB Host,
USB OTG and I2C touchscreen controller
* mbimxsd provides access to LCD, Audio, LED, Switch button, UART ...
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c')
-rw-r--r-- | arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c new file mode 100644 index 000000000000..678597852443 --- /dev/null +++ b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c @@ -0,0 +1,263 @@ +/* + * 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/gpio_keys.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/board-eukrea_cpuimx35.h> +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx35.h> +#include <mach/ipu.h> +#include <mach/mx3fb.h> +#include <mach/audmux.h> +#include <mach/ssi.h> + +#include "devices.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, + }, +}; + +static struct ipu_platform_data mx3_ipu_data = { + .irq_base = MXC_IPU_IRQ_START, +}; + +static struct mx3fb_platform_data mx3fb_pdata = { + .dma_dev = &mx3_ipu.dev, + .name = "CMO_QVGA", + .mode = fb_modedb, + .num_modes = ARRAY_SIZE(fb_modedb), +}; + +static struct pad_desc 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, +}; + +#define GPIO_LED1 (2 * 32 + 29) +#define GPIO_SWITCH1 (2 * 32 + 25) +#define GPIO_LCDPWR (4) + +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 struct imxuart_platform_data uart_pdata = { + .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 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_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_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 + + mxc_register_device(&mxc_uart_device1, &uart_pdata); + mxc_register_device(&mx3_ipu, &mx3_ipu_data); + mxc_register_device(&mx3_fb, &mx3fb_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)); +} |