diff options
Diffstat (limited to 'arch/arm/mach-pxa/poodle.c')
| -rw-r--r-- | arch/arm/mach-pxa/poodle.c | 353 |
1 files changed, 204 insertions, 149 deletions
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 3f5f484549b3..2e3bd8b1523b 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -20,6 +20,9 @@ #include <linux/fb.h> #include <linux/pm.h> #include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -33,7 +36,7 @@ #include <mach/pxa-regs.h> #include <mach/pxa2xx-regs.h> -#include <mach/pxa2xx-gpio.h> +#include <mach/mfp-pxa25x.h> #include <mach/mmc.h> #include <mach/udc.h> #include <mach/i2c.h> @@ -42,6 +45,7 @@ #include <mach/pxafb.h> #include <mach/sharpsl.h> #include <mach/ssp.h> +#include <mach/pxa2xx_spi.h> #include <asm/hardware/scoop.h> #include <asm/hardware/locomo.h> @@ -51,6 +55,88 @@ #include "devices.h" #include "sharpsl.h" +static unsigned long poodle_pin_config[] __initdata = { + /* I/O */ + GPIO79_nCS_3, + GPIO80_nCS_4, + GPIO18_RDY, + + /* Clock */ + GPIO12_32KHz, + + /* SSP1 */ + GPIO23_SSP1_SCLK, + GPIO25_SSP1_TXD, + GPIO26_SSP1_RXD, + GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */ + + /* I2S */ + GPIO28_I2S_BITCLK_OUT, + GPIO29_I2S_SDATA_IN, + GPIO30_I2S_SDATA_OUT, + GPIO31_I2S_SYNC, + GPIO32_I2S_SYSCLK, + + /* Infra-Red */ + GPIO47_FICP_TXD, + GPIO46_FICP_RXD, + + /* FFUART */ + GPIO40_FFUART_DTR, + GPIO41_FFUART_RTS, + GPIO39_FFUART_TXD, + GPIO37_FFUART_DSR, + GPIO34_FFUART_RXD, + GPIO35_FFUART_CTS, + + /* LCD */ + GPIO58_LCD_LDD_0, + GPIO59_LCD_LDD_1, + GPIO60_LCD_LDD_2, + GPIO61_LCD_LDD_3, + GPIO62_LCD_LDD_4, + GPIO63_LCD_LDD_5, + GPIO64_LCD_LDD_6, + GPIO65_LCD_LDD_7, + GPIO66_LCD_LDD_8, + GPIO67_LCD_LDD_9, + GPIO68_LCD_LDD_10, + GPIO69_LCD_LDD_11, + GPIO70_LCD_LDD_12, + GPIO71_LCD_LDD_13, + GPIO72_LCD_LDD_14, + GPIO73_LCD_LDD_15, + GPIO74_LCD_FCLK, + GPIO75_LCD_LCLK, + GPIO76_LCD_PCLK, + GPIO77_LCD_BIAS, + + /* PC Card */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO52_nPCE_1, + GPIO53_nPCE_2, + GPIO54_nPSKTSEL, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + + /* MMC */ + GPIO6_MMC_CLK, + GPIO8_MMC_CS0, + + /* GPIO */ + GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */ + GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */ + GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */ + GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */ + + GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */ + GPIO22_GPIO, /* POODLE_GPIO_IR_ON */ +}; + static struct resource poodle_scoop_resources[] = { [0] = { .start = 0x10800000, @@ -62,6 +148,7 @@ static struct resource poodle_scoop_resources[] = { static struct scoop_config poodle_scoop_setup = { .io_dir = POODLE_SCOOP_IO_DIR, .io_out = POODLE_SCOOP_IO_OUT, + .gpio_base = POODLE_SCOOP_GPIO_BASE, }; struct platform_device poodle_scoop_device = { @@ -74,27 +161,6 @@ struct platform_device poodle_scoop_device = { .resource = poodle_scoop_resources, }; -static void poodle_pcmcia_init(void) -{ - /* Setup default state of GPIO outputs - before we enable them as outputs. */ - GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | - GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) | - GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) | - GPIO_bit(GPIO53_nPCE_2); - - pxa_gpio_mode(GPIO48_nPOE_MD); - pxa_gpio_mode(GPIO49_nPWE_MD); - pxa_gpio_mode(GPIO50_nPIOR_MD); - pxa_gpio_mode(GPIO51_nPIOW_MD); - pxa_gpio_mode(GPIO55_nPREG_MD); - pxa_gpio_mode(GPIO56_nPWAIT_MD); - pxa_gpio_mode(GPIO57_nIOIS16_MD); - pxa_gpio_mode(GPIO52_nPCE_1_MD); - pxa_gpio_mode(GPIO53_nPCE_2_MD); - pxa_gpio_mode(GPIO54_pSKTSEL_MD); -} - static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { { .dev = &poodle_scoop_device.dev, @@ -107,7 +173,6 @@ static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { static struct scoop_pcmcia_config poodle_pcmcia_config = { .devs = &poodle_pcmcia_scoop[0], .num_devs = 1, - .pcmcia_init = poodle_pcmcia_init, }; EXPORT_SYMBOL(poodle_scoop_device); @@ -136,62 +201,55 @@ struct platform_device poodle_locomo_device = { EXPORT_SYMBOL(poodle_locomo_device); -/* - * Poodle SSP Device - */ - -struct platform_device poodle_ssp_device = { - .name = "corgi-ssp", - .id = -1, -}; - -struct corgissp_machinfo poodle_ssp_machinfo = { - .port = 1, - .cs_lcdcon = -1, - .cs_ads7846 = -1, - .cs_max1111 = -1, - .clk_lcdcon = 2, - .clk_ads7846 = 36, - .clk_max1111 = 2, +#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) +static struct pxa2xx_spi_master poodle_spi_info = { + .num_chipselect = 1, }; - -/* - * Poodle Touch Screen Device - */ -static struct resource poodlets_resources[] = { - [0] = { - .start = POODLE_IRQ_GPIO_TP_INT, - .end = POODLE_IRQ_GPIO_TP_INT, - .flags = IORESOURCE_IRQ, - }, +static struct ads7846_platform_data poodle_ads7846_info = { + .model = 7846, + .vref_delay_usecs = 100, + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .gpio_pendown = POODLE_GPIO_TP_INT, }; -static unsigned long poodle_get_hsync_invperiod(void) +static void ads7846_cs(u32 command) { - return 0; + gpio_set_value(POODLE_GPIO_TP_CS, !(command == PXA2XX_CS_ASSERT)); } -static void poodle_null_hsync(void) -{ -} - -static struct corgits_machinfo poodle_ts_machinfo = { - .get_hsync_invperiod = poodle_get_hsync_invperiod, - .put_hsync = poodle_null_hsync, - .wait_hsync = poodle_null_hsync, +static struct pxa2xx_spi_chip poodle_ads7846_chip = { + .cs_control = ads7846_cs, }; -static struct platform_device poodle_ts_device = { - .name = "corgi-ts", - .dev = { - .platform_data = &poodle_ts_machinfo, +static struct spi_board_info poodle_spi_devices[] = { + { + .modalias = "ads7846", + .max_speed_hz = 10000, + .bus_num = 1, + .platform_data = &poodle_ads7846_info, + .controller_data= &poodle_ads7846_chip, + .irq = gpio_to_irq(POODLE_GPIO_TP_INT), }, - .id = -1, - .num_resources = ARRAY_SIZE(poodlets_resources), - .resource = poodlets_resources, }; +static void __init poodle_init_spi(void) +{ + int err; + + err = gpio_request(POODLE_GPIO_TP_CS, "ADS7846_CS"); + if (err) + return; + + gpio_direction_output(POODLE_GPIO_TP_CS, 1); + + pxa2xx_set_spi_info(1, &poodle_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices)); +} +#else +static inline void poodle_init_spi(void) {} +#endif /* * MMC/SD Device @@ -205,22 +263,50 @@ static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, { int err; - /* setup GPIO for PXA25x MMC controller */ - pxa_gpio_mode(GPIO6_MMCCLK_MD); - pxa_gpio_mode(GPIO8_MMCCS0_MD); - pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN); - pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN); - pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT); - pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT); + err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT"); + if (err) + goto err_out; + + err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP"); + if (err) + goto err_free_1; + + err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR"); + if (err) + goto err_free_2; + + err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1"); + if (err) + goto err_free_3; + + gpio_direction_input(POODLE_GPIO_nSD_DETECT); + gpio_direction_input(POODLE_GPIO_nSD_WP); + + gpio_direction_output(POODLE_GPIO_SD_PWR, 0); + gpio_direction_output(POODLE_GPIO_SD_PWR1, 0); poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "MMC card detect", data); - if (err) - printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); + if (err) { + pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", + __func__); + goto err_free_4; + } + + return 0; +err_free_4: + gpio_free(POODLE_GPIO_SD_PWR1); +err_free_3: + gpio_free(POODLE_GPIO_SD_PWR); +err_free_2: + gpio_free(POODLE_GPIO_nSD_WP); +err_free_1: + gpio_free(POODLE_GPIO_nSD_DETECT); +err_out: return err; } @@ -228,18 +314,19 @@ static void poodle_mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data* p_d = dev->platform_data; - if (( 1 << vdd) & p_d->ocr_mask) { - GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR); + if ((1 << vdd) & p_d->ocr_mask) { + gpio_set_value(POODLE_GPIO_SD_PWR, 1); mdelay(2); - GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1); + gpio_set_value(POODLE_GPIO_SD_PWR1, 1); } else { - GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1); - GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR); + gpio_set_value(POODLE_GPIO_SD_PWR1, 0); + gpio_set_value(POODLE_GPIO_SD_PWR, 0); } } static int poodle_mci_get_ro(struct device *dev) { + return !!gpio_get_value(POODLE_GPIO_nSD_WP); return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP); } @@ -247,6 +334,10 @@ static int poodle_mci_get_ro(struct device *dev) static void poodle_mci_exit(struct device *dev, void *data) { free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); + gpio_free(POODLE_GPIO_SD_PWR1); + gpio_free(POODLE_GPIO_SD_PWR); + gpio_free(POODLE_GPIO_nSD_WP); + gpio_free(POODLE_GPIO_nSD_DETECT); } static struct pxamci_platform_data poodle_mci_platform_data = { @@ -263,38 +354,41 @@ static struct pxamci_platform_data poodle_mci_platform_data = { */ static void poodle_irda_transceiver_mode(struct device *dev, int mode) { - if (mode & IR_OFF) { - GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); - } else { - GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); - } + gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF); pxa2xx_transceiver_mode(dev, mode); } +static int poodle_irda_startup(struct device *dev) +{ + int err; + + err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON"); + if (err) + return err; + + gpio_direction_output(POODLE_GPIO_IR_ON, 1); + return 0; +} + +static void poodle_irda_shutdown(struct device *dev) +{ + gpio_free(POODLE_GPIO_IR_ON); +} + static struct pxaficp_platform_data poodle_ficp_platform_data = { - .transceiver_cap = IR_SIRMODE | IR_OFF, - .transceiver_mode = poodle_irda_transceiver_mode, + .transceiver_cap = IR_SIRMODE | IR_OFF, + .transceiver_mode = poodle_irda_transceiver_mode, + .startup = poodle_irda_startup, + .shutdown = poodle_irda_shutdown, }; /* * USB Device Controller */ -static void poodle_udc_command(int cmd) -{ - switch(cmd) { - case PXA2XX_UDC_CMD_CONNECT: - GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); - break; - case PXA2XX_UDC_CMD_DISCONNECT: - GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); - break; - } -} - static struct pxa2xx_udc_mach_info udc_info __initdata = { /* no connect GPIO; poodle can't tell connection status */ - .udc_command = poodle_udc_command, + .gpio_pullup = POODLE_GPIO_USB_PULLUP, }; @@ -316,15 +410,12 @@ static struct pxafb_mode_info poodle_fb_mode = { static struct pxafb_mach_info poodle_fb_info = { .modes = &poodle_fb_mode, .num_modes = 1, - .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color, - .lccr3 = 0, + .lcd_conn = LCD_COLOR_TFT_16BPP, }; static struct platform_device *devices[] __initdata = { &poodle_locomo_device, &poodle_scoop_device, - &poodle_ssp_device, - &poodle_ts_device, }; static void poodle_poweroff(void) @@ -344,59 +435,23 @@ static void __init poodle_init(void) pm_power_off = poodle_poweroff; arm_pm_restart = poodle_restart; - /* setup sleep mode values */ - PWER = 0x00000002; - PFER = 0x00000000; - PRER = 0x00000002; - PGSR0 = 0x00008000; - PGSR1 = 0x003F0202; - PGSR2 = 0x0001C000; PCFR |= PCFR_OPDE; - /* cpu initialize */ - /* Pgsr Register */ - PGSR0 = 0x0146dd80; - PGSR1 = 0x03bf0890; - PGSR2 = 0x0001c000; - - /* Alternate Register */ - GAFR0_L = 0x01001000; - GAFR0_U = 0x591a8010; - GAFR1_L = 0x900a8451; - GAFR1_U = 0xaaa5aaaa; - GAFR2_L = 0x8aaaaaaa; - GAFR2_U = 0x00000002; - - /* Direction Register */ - GPDR0 = 0xd3f0904c; - GPDR1 = 0xfcffb7d3; - GPDR2 = 0x0001ffff; - - /* Output Register */ - GPCR0 = 0x00000000; - GPCR1 = 0x00000000; - GPCR2 = 0x00000000; - - GPSR0 = 0x00400000; - GPSR1 = 0x00000000; - GPSR2 = 0x00000000; + pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config)); + + platform_scoop_config = &poodle_pcmcia_config; + + ret = platform_add_devices(devices, ARRAY_SIZE(devices)); + if (ret) + pr_warning("poodle: Unable to register LoCoMo device\n"); set_pxa_fb_parent(&poodle_locomo_device.dev); set_pxa_fb_info(&poodle_fb_info); - pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT); - pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT); pxa_set_udc_info(&udc_info); pxa_set_mci_info(&poodle_mci_platform_data); pxa_set_ficp_info(&poodle_ficp_platform_data); pxa_set_i2c_info(NULL); - - platform_scoop_config = &poodle_pcmcia_config; - - ret = platform_add_devices(devices, ARRAY_SIZE(devices)); - if (ret) { - printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n"); - } - corgi_ssp_set_machinfo(&poodle_ssp_machinfo); + poodle_init_spi(); } static void __init fixup_poodle(struct machine_desc *desc, |