X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fboard-h4.c;fp=arch%2Farm%2Fmach-omap2%2Fboard-h4.c;h=cbca22a0199a27de88333a054db3c4cc54e2d67f;hp=a0267a9ab466e9638b9bd74c1e045d2e1321c5de;hb=b934c987ee1764eb09b8843a3ee00eabc24bd52c;hpb=14fc69723d3442ef46f8f82b3f481e82f06a346d diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index a0267a9ab46..cbca22a0199 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -18,12 +18,22 @@ #include #include #include -#include -#include #include #include #include #include +#include +#include +#include + +#include +#include +#include + +#include +#include + +#include #include #include @@ -32,15 +42,12 @@ #include #include -#include -#include #include #include #include #include #include #include -#include #include #include @@ -49,6 +56,47 @@ #define H4_ETHR_GPIO_IRQ 92 +/* FPGA on debug board has 32 GPIOs: 16 dedicated to leds, + * 8 outputs on a header, and 6 inputs from a DIP switch. + */ +#define H4_DEBUG_GPIO_BASE OMAP_MAX_GPIO_LINES +# define H4_DEBUG_GPIO_SW3_1 (H4_DEBUG_GPIO_BASE + 24) +# define H4_DEBUG_GPIO_SW3_2 (H4_DEBUG_GPIO_BASE + 25) +# define H4_DEBUG_GPIO_SW3_3 (H4_DEBUG_GPIO_BASE + 26) +# define H4_DEBUG_GPIO_SW3_4 (H4_DEBUG_GPIO_BASE + 27) +# define H4_DEBUG_GPIO_SW3_5 (H4_DEBUG_GPIO_BASE + 28) +# define H4_DEBUG_GPIO_SW3_8 (H4_DEBUG_GPIO_BASE + 29) + +/* H4 baseboard has 3 PCF8574 (8 bit) I2C GPIO expanders */ +#define H4_U191_GPIO_BASE (H4_DEBUG_GPIO_BASE + 32) +# define H4_GPIO_IRDA_FIRSEL (H4_U191_GPIO_BASE + 0) +# define H4_GPIO_MODEM_MOD_EN (H4_U191_GPIO_BASE + 1) +# define H4_GPIO_WLAN_MOD_EN (H4_U191_GPIO_BASE + 2) +# define H4_GPIO_CAM_MODULE_EN (H4_U191_GPIO_BASE + 3) +# define H4_GPIO_HANDSET_EN (H4_U191_GPIO_BASE + 4) +# define H4_GPIO_LCD_ENBKL (H4_U191_GPIO_BASE + 5) +# define H4_GPIO_AUDIO_ENVDD (H4_U191_GPIO_BASE + 6) +# define H4_GPIO_LCD_ENVDD (H4_U191_GPIO_BASE + 7) + +#define H4_U192_GPIO_BASE (H4_U191_GPIO_BASE + 8) +# define H4_GPIO_IRDA_AGPSn (H4_U192_GPIO_BASE + 0) +# define H4_GPIO_AGPS_PWREN (H4_U192_GPIO_BASE + 1) +# define H4_GPIO_AGPS_RSTn (H4_U192_GPIO_BASE + 2) +# define H4_GPIO_AGPS_SLEEP (H4_U192_GPIO_BASE + 3) +# define H4_GPIO_AGPS_PA_XMT (H4_U192_GPIO_BASE + 4) +# define H4_GPIO_MODEM_SPR2 (H4_U192_GPIO_BASE + 5) +# define H4_GPIO_MODEM_SPR1 (H4_U192_GPIO_BASE + 6) +# define H4_GPIO_BT_ACLK_ENn (H4_U192_GPIO_BASE + 7) + +#define H4_U193_GPIO_BASE (H4_U192_GPIO_BASE + 8) +# define H4_GPIO_SPR0 (H4_U193_GPIO_BASE + 0) +# define H4_GPIO_SPR1 (H4_U193_GPIO_BASE + 1) +# define H4_GPIO_WLAN_SHUTDOWN (H4_U193_GPIO_BASE + 2) +# define H4_GPIO_WLAN_RESET (H4_U193_GPIO_BASE + 3) +# define H4_GPIO_WLAN_CLK_ENn (H4_U193_GPIO_BASE + 4) + /* 5, 6 not connected */ +# define H4_GPIO_CAM_RST (H4_U193_GPIO_BASE + 7) + static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; @@ -138,31 +186,16 @@ static struct platform_device h4_flash_device = { .resource = &h4_flash_resource, }; -/* Select between the IrDA and aGPS module - */ +#if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE) + +/* Select between the IrDA and aGPS module */ static int h4_select_irda(struct device *dev, int state) { - unsigned char expa; - int err = 0; - - if ((err = read_gpio_expa(&expa, 0x21))) { - printk(KERN_ERR "Error reading from I/O expander\n"); - return err; - } + /* U192.P0 = high for IRDA; else AGPS */ + gpio_set_value_cansleep(H4_GPIO_IRDA_AGPSn, state & IR_SEL); - /* 'P6' enable/disable IRDA_TX and IRDA_RX */ - if (state & IR_SEL) { /* IrDa */ - if ((err = write_gpio_expa(expa | 0x01, 0x21))) { - printk(KERN_ERR "Error writing to I/O expander\n"); - return err; - } - } else { - if ((err = write_gpio_expa(expa & ~0x01, 0x21))) { - printk(KERN_ERR "Error writing to I/O expander\n"); - return err; - } - } - return err; + /* NOTE: UART3 can also hook up to a DB9 or to GSM ... */ + return 0; } static void set_trans_mode(struct work_struct *work) @@ -170,22 +203,9 @@ static void set_trans_mode(struct work_struct *work) struct omap_irda_config *irda_config = container_of(work, struct omap_irda_config, gpio_expa.work); int mode = irda_config->mode; - unsigned char expa; - int err = 0; - - if ((err = read_gpio_expa(&expa, 0x20)) != 0) { - printk(KERN_ERR "Error reading from I/O expander\n"); - } - expa &= ~0x01; - - if (!(mode & IR_SIRMODE)) { /* MIR/FIR */ - expa |= 0x01; - } - - if ((err = write_gpio_expa(expa, 0x20)) != 0) { - printk(KERN_ERR "Error writing to I/O expander\n"); - } + /* U191.P0 = low for SIR; else MIR/FIR */ + gpio_set_value_cansleep(H4_GPIO_IRDA_FIRSEL, !(mode & IR_SIRMODE)); } static int h4_transceiver_mode(struct device *dev, int mode) @@ -199,6 +219,10 @@ static int h4_transceiver_mode(struct device *dev, int mode) return 0; } +#else +static int h4_select_irda(struct device *dev, int state) { return 0; } +static int h4_transceiver_mode(struct device *dev, int mode) { return 0; } +#endif static struct omap_irda_config h4_irda_data = { .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE, @@ -269,6 +293,8 @@ static u32 get_sysboot_value(void) OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK)); } +/* FIXME: This function should be moved to some other file, gpmc.c? */ + /* H4-2420's always used muxed mode, H4-2422's always use non-muxed * * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423 @@ -372,7 +398,11 @@ static void __init omap_h4_init_irq(void) } static struct omap_uart_config h4_uart_config __initdata = { +#ifdef CONFIG_MACH_OMAP2_H4_USB1 + .enabled_uarts = ((1 << 0) | (1 << 1)), +#else .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +#endif }; static struct omap_lcd_config h4_lcd_config __initdata = { @@ -412,21 +442,309 @@ static struct omap_usb_config h4_usb_config __initdata = { #endif }; -static struct omap_board_config_kernel h4_config[] = { +/* ----------------------------------------------------------------------- */ + +static struct tsc210x_config tsc_platform_data = { + .use_internal = 1, + .monitor = TSC_VBAT | TSC_TEMP, + /* REVISIT temp calibration data -- board-specific; from EEPROM? */ + .mclk = "sys_clkout", +}; + +static struct spi_board_info h4_spi_board_info[] __initdata = { + { + .modalias = "tsc2101", + .bus_num = 1, + .chip_select = 0, + .mode = SPI_MODE_1, + .irq = OMAP_GPIO_IRQ(93), + .max_speed_hz = 16000000, + .platform_data = &tsc_platform_data, + }, + + /* nCS1 -- to lcd board, but unused + * nCS2 -- to WLAN/miniPCI + */ +}; + +/* ----------------------------------------------------------------------- */ + +static struct omap_board_config_kernel h4_config[] __initdata = { { OMAP_TAG_UART, &h4_uart_config }, { OMAP_TAG_LCD, &h4_lcd_config }, }; +#ifdef CONFIG_MACH_OMAP_H4_TUSB + +#include + +static struct musb_hdrc_platform_data tusb_data = { + .mode = MUSB_OTG, + .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */ + + /* 1.8V supplied by Menelaus, other voltages supplied by VBAT; + * so no switching. + */ +}; + +static void __init tusb_evm_setup(void) +{ + static char announce[] __initdata = + KERN_INFO "TUSB 6010 EVM\n"; + int irq; + unsigned dmachan = 0; + + /* There are at least 32 different combinations of boards that + * are loosely called "H4", with a 2420 ... different OMAP chip + * revisions (with pin mux changes for DMAREQ, GPMC errata, etc), + * modifications of the CPU board, mainboard, EVM, TUSB etc. + * Plus omap2422, omap2423, etc. + * + * So you might need to tweak this setup to make the TUSB EVM + * behave on your particular setup ... + */ + + /* Already set up: GPMC AD[0..15], CLK, nOE, nWE, nADV_ALE */ + omap_cfg_reg(E2_GPMC_NCS2); + omap_cfg_reg(L2_GPMC_NCS7); + omap_cfg_reg(M1_GPMC_WAIT2); + + switch ((omap_rev() >> 8) & 0x0f) { + case 0: /* ES 1.0 */ + case 1: /* ES 2.0 */ + /* Assume early board revision without optional ES2.0 + * rework to swap J15 & AA10 so DMAREQ0 works + */ + omap_cfg_reg(AA10_242X_GPIO13); + irq = 13; + /* omap_cfg_reg(J15_24XX_DMAREQ0); */ + break; + default: + /* Later Menelaus boards can support all 6 DMA request + * lines, at the price of boot flash A23-A26. + */ + omap_cfg_reg(J15_24XX_GPIO99); + irq = 99; + dmachan = (1 << 1) | (1 << 0); +#if !(defined(CONFIG_MTD_OMAP_NOR) || defined(CONFIG_MTD_OMAP_NOR_MODULE)) + dmachan |= (1 << 5) | (1 << 4) (1 << 3) | (1 << 2); +#endif + break; + } + + if (tusb6010_setup_interface(&tusb_data, + TUSB6010_REFCLK_24, /* waitpin */ 2, + /* async cs */ 2, /* sync cs */ 7, + irq, dmachan) == 0) + printk(announce); +} + +#endif + +#if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE) +/* + * Common OV9640 register initialization for all image sizes, pixel formats, + * and frame rates + */ +const static struct ov9640_reg ov9640_common[] = { + { 0x12, 0x80 }, { 0x11, 0x80 }, { 0x13, 0x8F }, /* COM7, CLKRC, COM8 */ + { 0x01, 0x80 }, { 0x02, 0x80 }, { 0x04, 0x00 }, /* BLUE, RED, COM1 */ + { 0x0E, 0x81 }, { 0x0F, 0x4F }, { 0x14, 0x4A }, /* COM5, COM6, COM9 */ + { 0x16, 0x02 }, { 0x1B, 0x01 }, { 0x24, 0x70 }, /* ?, PSHFT, AEW */ + { 0x25, 0x68 }, { 0x26, 0xD3 }, { 0x27, 0x90 }, /* AEB, VPT, BBIAS */ + { 0x2A, 0x00 }, { 0x2B, 0x00 }, { 0x32, 0x24 }, /* EXHCH, EXHCL, HREF */ + { 0x33, 0x02 }, { 0x37, 0x02 }, { 0x38, 0x13 }, /* CHLF, ADC, ACOM */ + { 0x39, 0xF0 }, { 0x3A, 0x00 }, { 0x3B, 0x01 }, /* OFON, TSLB, COM11 */ + { 0x3D, 0x90 }, { 0x3E, 0x02 }, { 0x3F, 0xF2 }, /* COM13, COM14, EDGE */ + { 0x41, 0x02 }, { 0x42, 0xC8 }, /* COM16, COM17 */ + { 0x43, 0xF0 }, { 0x44, 0x10 }, { 0x45, 0x6C }, /* ?, ?, ? */ + { 0x46, 0x6C }, { 0x47, 0x44 }, { 0x48, 0x44 }, /* ?, ?, ? */ + { 0x49, 0x03 }, { 0x59, 0x49 }, { 0x5A, 0x94 }, /* ?, ?, ? */ + { 0x5B, 0x46 }, { 0x5C, 0x84 }, { 0x5D, 0x5C }, /* ?, ?, ? */ + { 0x5E, 0x08 }, { 0x5F, 0x00 }, { 0x60, 0x14 }, /* ?, ?, ? */ + { 0x61, 0xCE }, /* ? */ + { 0x62, 0x70 }, { 0x63, 0x00 }, { 0x64, 0x04 }, /* LCC1, LCC2, LCC3 */ + { 0x65, 0x00 }, { 0x66, 0x00 }, /* LCC4, LCC5 */ + { 0x69, 0x00 }, { 0x6A, 0x3E }, { 0x6B, 0x3F }, /* HV, MBD, DBLV */ + { 0x6C, 0x40 }, { 0x6D, 0x30 }, { 0x6E, 0x4B }, /* GSP1, GSP2, GSP3 */ + { 0x6F, 0x60 }, { 0x70, 0x70 }, { 0x71, 0x70 }, /* GSP4, GSP5, GSP6 */ + { 0x72, 0x70 }, { 0x73, 0x70 }, { 0x74, 0x60 }, /* GSP7, GSP8, GSP9 */ + { 0x75, 0x60 }, { 0x76, 0x50 }, { 0x77, 0x48 }, /* GSP10,GSP11,GSP12 */ + { 0x78, 0x3A }, { 0x79, 0x2E }, { 0x7A, 0x28 }, /* GSP13,GSP14,GSP15 */ + { 0x7B, 0x22 }, { 0x7C, 0x04 }, { 0x7D, 0x07 }, /* GSP16,GST1, GST2 */ + { 0x7E, 0x10 }, { 0x7F, 0x28 }, { 0x80, 0x36 }, /* GST3, GST4, GST5 */ + { 0x81, 0x44 }, { 0x82, 0x52 }, { 0x83, 0x60 }, /* GST6, GST7, GST8 */ + { 0x84, 0x6C }, { 0x85, 0x78 }, { 0x86, 0x8C }, /* GST9, GST10,GST11 */ + { 0x87, 0x9E }, { 0x88, 0xBB }, { 0x89, 0xD2 }, /* GST12,GST13,GST14 */ + { 0x8A, 0xE6 }, { 0x13, 0x8F }, { 0x00, 0x7F }, /* GST15, COM8 */ + { OV9640_REG_TERM, OV9640_VAL_TERM } +}; + +static int ov9640_sensor_power_set(int power) +{ + /* power up the sensor? */ + gpio_set_value_cansleep(H4_GPIO_CAM_MODULE_EN, power); + + /* take it out of reset if it's not powered */ + gpio_direction_output(H4_GPIO_CAM_RST, !power); + + return 0; +} + +static struct v4l2_ifparm ifparm = { + .if_type = V4L2_IF_TYPE_BT656, + .u = { + .bt656 = { + .frame_start_on_rising_vs = 1, + .nobt_vs_inv = 1, + .mode = V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT, + .clock_min = OV9640_XCLK_MIN, + .clock_max = OV9640_XCLK_MAX, + }, + }, +}; + +static int ov9640_ifparm(struct v4l2_ifparm *p) +{ + *p = ifparm; + + return 0; +} + +static struct ov9640_platform_data h4_ov9640_platform_data = { + .power_set = ov9640_sensor_power_set, + .default_regs = ov9640_common, + .ifparm = ov9640_ifparm, +}; + +#endif + +/* leave LCD powered off unless it will be used */ +#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) +#define LCD_ENABLED true +#else +#define LCD_ENABLED false +#endif + +static struct gpio_led backlight_leds[] = { + { + .name = "lcd_h4", + .default_trigger = "backlight", + .gpio = H4_GPIO_LCD_ENBKL, + }, + { }, +}; + +static struct gpio_led_platform_data backlight_led_data = { + .num_leds = 1, + .leds = backlight_leds, +}; + +static struct platform_device h4_backlight_device = { + .name = "leds-gpio", + .id = 0, + .dev.platform_data = &backlight_led_data, +}; + +static int +u191_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context) +{ + /* P0 = IRDA control, FIR/MIR vs SIR */ + gpio_request(H4_GPIO_IRDA_FIRSEL, "irda_firsel"); + gpio_direction_output(H4_GPIO_IRDA_FIRSEL, false); + + /* P3 = camera sensor module PWDN */ + gpio_request(H4_GPIO_CAM_MODULE_EN, "camera_en"); + gpio_direction_output(H4_GPIO_CAM_MODULE_EN, false); + + /* P7 = LCD_ENVDD ... controls power to LCD (including backlight) + * P5 = LCD_ENBKL ... switches backlight + */ + gpio_request(H4_GPIO_LCD_ENVDD, "lcd_power"); + gpio_direction_output(H4_GPIO_LCD_ENVDD, LCD_ENABLED); + if (LCD_ENABLED) { + h4_backlight_device.dev.parent = &client->dev; + platform_device_register(&h4_backlight_device); + } + + /* P6 = AUDIO_ENVDD ... switch power to microphone */ + gpio_request(H4_GPIO_AUDIO_ENVDD, "audio_power"); + gpio_direction_output(H4_GPIO_AUDIO_ENVDD, true); + + return 0; +} + + +static struct pcf857x_platform_data u191_platform_data = { + .gpio_base = H4_U191_GPIO_BASE, + .setup = u191_setup, +}; + +static int +u192_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context) +{ + gpio_request(H4_GPIO_IRDA_AGPSn, "irda/agps"); + gpio_direction_output(H4_GPIO_IRDA_AGPSn, false); + + return 0; +} + +static struct pcf857x_platform_data u192_platform_data = { + .gpio_base = H4_U192_GPIO_BASE, + .setup = u192_setup, +}; + +static int +u193_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context) +{ + /* reset sensor */ + gpio_request(H4_GPIO_CAM_RST, "camera_rst"); + gpio_direction_output(H4_GPIO_CAM_RST, true); + + return 0; +} + +static struct pcf857x_platform_data u193_platform_data = { + .gpio_base = H4_U193_GPIO_BASE, + .setup = u193_setup, +}; + static struct at24_platform_data m24c01 = { .byte_len = SZ_1K / 8, .page_size = 16, }; static struct i2c_board_info __initdata h4_i2c_board_info[] = { + { /* U191 gpios */ + I2C_BOARD_INFO("pcf8574", 0x20), + .platform_data = &u191_platform_data, + }, + { /* U192 gpios */ + I2C_BOARD_INFO("pcf8574", 0x21), + .platform_data = &u192_platform_data, + }, + { /* U193 gpios */ + I2C_BOARD_INFO("pcf8574", 0x22), + .platform_data = &u193_platform_data, + }, + { + I2C_BOARD_INFO("rv5c387a", 0x32), + /* no IRQ wired to OMAP; nINTB goes to AGPS */ + }, + { + I2C_BOARD_INFO("menelaus", 0x72), + .irq = INT_24XX_SYS_NIRQ, + }, { I2C_BOARD_INFO("isp1301_omap", 0x2d), .irq = OMAP_GPIO_IRQ(125), }, +#if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE) + { + I2C_BOARD_INFO("ov9640", 0x30), + .platform_data = &h4_ov9640_platform_data, + }, +#endif { /* EEPROM on mainboard */ I2C_BOARD_INFO("24c01", 0x52), .platform_data = &m24c01, @@ -457,14 +775,54 @@ static void __init omap_h4_init(void) } #endif - i2c_register_board_info(1, h4_i2c_board_info, - ARRAY_SIZE(h4_i2c_board_info)); +#ifdef CONFIG_MACH_OMAP2_H4_USB1 + /* S3.3 controls whether these pins are for UART2 or USB1 */ + omap_cfg_reg(N14_24XX_USB1_SE0); + omap_cfg_reg(P15_24XX_USB1_DAT); + omap_cfg_reg(W20_24XX_USB1_TXEN); + omap_cfg_reg(V19_24XX_USB1_RCV); +#endif + + /* Menelaus interrupt */ + omap_cfg_reg(W19_24XX_SYS_NIRQ); platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); omap_board_config = h4_config; omap_board_config_size = ARRAY_SIZE(h4_config); - omap_usb_init(&h4_usb_config); omap_serial_init(); + omap_usb_init(&h4_usb_config); + omap_register_i2c_bus(1, 100, h4_i2c_board_info, + ARRAY_SIZE(h4_i2c_board_info)); + + /* smc91x, debug leds, ps/2, extra uarts */ + h4_init_debug(); + +#ifdef CONFIG_MACH_OMAP_H4_TUSB + tusb_evm_setup(); +#endif + + /* defaults seem ok for: + * omap_cfg_reg(U18_24XX_SPI1_SCK); + * omap_cfg_reg(V20_24XX_SPI1_MOSI); + * omap_cfg_reg(T18_24XX_SPI1_MISO); + * omap_cfg_reg(U19_24XX_SPI1_NCS0); + */ + + /* TSC2101 */ + omap_cfg_reg(P20_24XX_GPIO93); + gpio_request(93, "tsc_irq"); + gpio_direction_input(93); + + omap_cfg_reg(W14_24XX_SYS_CLKOUT); /* mclk */ + /* defaults seem ok for: + * omap_cfg_reg(Y15_EAC_AC_SCLK); // bclk + * omap_cfg_reg(R14_EAC_AC_FS); + * omap_cfg_reg(V15_EAC_AC_DOUT); + * omap_cfg_reg(W15_EAC_AC_DIN); + */ + + spi_register_board_info(h4_spi_board_info, + ARRAY_SIZE(h4_spi_board_info)); } static void __init omap_h4_map_io(void)