diff options
Diffstat (limited to 'arch/arm/mach-pxa/cm-x300.c')
| -rw-r--r-- | arch/arm/mach-pxa/cm-x300.c | 298 |
1 files changed, 268 insertions, 30 deletions
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index aac2cda60e09..d37cfa132a65 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -3,9 +3,10 @@ * * Support for the CompuLab CM-X300 modules * - * Copyright (C) 2008 CompuLab Ltd. + * Copyright (C) 2008,2009 CompuLab Ltd. * * Mike Rapoport <mike@compulab.co.il> + * Igor Grinberg <grinberg@compulab.co.il> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -16,44 +17,55 @@ #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/init.h> +#include <linux/delay.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/dm9000.h> #include <linux/leds.h> #include <linux/rtc-v3020.h> +#include <linux/pwm_backlight.h> #include <linux/i2c.h> #include <linux/i2c/pca953x.h> +#include <linux/mfd/da903x.h> + +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/spi/tdo24m.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/setup.h> #include <mach/pxa300.h> +#include <mach/pxa27x-udc.h> #include <mach/pxafb.h> #include <mach/mmc.h> #include <mach/ohci.h> #include <plat/i2c.h> -#include <mach/pxa3xx_nand.h> +#include <plat/pxa3xx_nand.h> +#include <mach/audio.h> #include <asm/mach/map.h> #include "generic.h" +#include "devices.h" #define CM_X300_ETH_PHYS 0x08000010 -#define GPIO82_MMC2_IRQ (82) -#define GPIO85_MMC2_WP (85) +#define GPIO82_MMC_IRQ (82) +#define GPIO85_MMC_WP (85) -#define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ) +#define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ) #define GPIO95_RTC_CS (95) #define GPIO96_RTC_WR (96) #define GPIO97_RTC_RD (97) #define GPIO98_RTC_IO (98) -static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = { +static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = { /* LCD */ GPIO54_LCD_LDD_0, GPIO55_LCD_LDD_1, @@ -137,7 +149,6 @@ static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = { GPIO36_UART1_DTR, /* GPIOs */ - GPIO79_GPIO, /* LED */ GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */ GPIO85_GPIO, /* MMC WP */ GPIO99_GPIO, /* Ethernet IRQ */ @@ -151,6 +162,50 @@ static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = { /* Standard I2C */ GPIO21_I2C_SCL, GPIO22_I2C_SDA, + + /* PWM Backlight */ + GPIO19_PWM2_OUT, +}; + +static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = { + /* GPIOs */ + GPIO79_GPIO, /* LED */ + GPIO77_GPIO, /* WiFi reset */ + GPIO78_GPIO, /* BT reset */ +}; + +static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = { + /* GPIOs */ + GPIO76_GPIO, /* LED */ + GPIO71_GPIO, /* WiFi reset */ + GPIO70_GPIO, /* BT reset */ +}; + +static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = { + /* USB PORT 2 */ + ULPI_STP, + ULPI_NXT, + ULPI_DIR, + GPIO30_ULPI_DATA_OUT_0, + GPIO31_ULPI_DATA_OUT_1, + GPIO32_ULPI_DATA_OUT_2, + GPIO33_ULPI_DATA_OUT_3, + GPIO34_ULPI_DATA_OUT_4, + GPIO35_ULPI_DATA_OUT_5, + GPIO36_ULPI_DATA_OUT_6, + GPIO37_ULPI_DATA_OUT_7, + GPIO38_ULPI_CLK, + /* external PHY reset pin */ + GPIO127_GPIO, + + /* USB PORT 3 */ + GPIO77_USB_P3_1, + GPIO78_USB_P3_2, + GPIO79_USB_P3_3, + GPIO80_USB_P3_4, + GPIO81_USB_P3_5, + GPIO82_USB_P3_6, + GPIO0_2_USBH_PEN, }; #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) @@ -195,17 +250,18 @@ static void __init cm_x300_init_dm9000(void) static inline void cm_x300_init_dm9000(void) {} #endif +/* LCD */ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info cm_x300_lcd_modes[] = { [0] = { - .pixclock = 38000, + .pixclock = 38250, .bpp = 16, .xres = 480, .yres = 640, .hsync_len = 8, .vsync_len = 2, .left_margin = 8, - .upper_margin = 0, + .upper_margin = 2, .right_margin = 24, .lower_margin = 4, .cmap_greyscale = 0, @@ -227,7 +283,7 @@ static struct pxafb_mode_info cm_x300_lcd_modes[] = { static struct pxafb_mach_info cm_x300_lcd = { .modes = cm_x300_lcd_modes, - .num_modes = 2, + .num_modes = ARRAY_SIZE(cm_x300_lcd_modes), .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, }; @@ -239,6 +295,87 @@ static void __init cm_x300_init_lcd(void) static inline void cm_x300_init_lcd(void) {} #endif +#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) +static struct platform_pwm_backlight_data cm_x300_backlight_data = { + .pwm_id = 2, + .max_brightness = 100, + .dft_brightness = 100, + .pwm_period_ns = 10000, +}; + +static struct platform_device cm_x300_backlight_device = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &cm_x300_backlight_data, + }, +}; + +static void cm_x300_init_bl(void) +{ + platform_device_register(&cm_x300_backlight_device); +} +#else +static inline void cm_x300_init_bl(void) {} +#endif + +#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE) +#define GPIO_LCD_BASE (144) +#define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */ +#define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */ +#define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */ +#define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */ +#define LCD_SPI_BUS_NUM (1) + +static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = { + .sck = GPIO_LCD_SCL, + .mosi = GPIO_LCD_DIN, + .miso = GPIO_LCD_DOUT, + .num_chipselect = 1, +}; + +static struct platform_device cm_x300_spi_gpio = { + .name = "spi_gpio", + .id = LCD_SPI_BUS_NUM, + .dev = { + .platform_data = &cm_x300_spi_gpio_pdata, + }, +}; + +static struct tdo24m_platform_data cm_x300_tdo24m_pdata = { + .model = TDO35S, +}; + +static struct spi_board_info cm_x300_spi_devices[] __initdata = { + { + .modalias = "tdo24m", + .max_speed_hz = 1000000, + .bus_num = LCD_SPI_BUS_NUM, + .chip_select = 0, + .controller_data = (void *) GPIO_LCD_CS, + .platform_data = &cm_x300_tdo24m_pdata, + }, +}; + +static void __init cm_x300_init_spi(void) +{ + spi_register_board_info(cm_x300_spi_devices, + ARRAY_SIZE(cm_x300_spi_devices)); + platform_device_register(&cm_x300_spi_gpio); +} +#else +static inline void cm_x300_init_spi(void) {} +#endif + +#if defined(CONFIG_SND_PXA2XX_LIB_AC97) +static void __init cm_x300_init_ac97(void) +{ + pxa_set_ac97_info(NULL); +} +#else +static inline void cm_x300_init_ac97(void) {} +#endif + #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) static struct mtd_partition cm_x300_nand_partitions[] = { [0] = { @@ -292,37 +429,37 @@ static inline void cm_x300_init_nand(void) {} #endif #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) -/* The first MMC slot of CM-X300 is hardwired to Libertas card and has +static struct pxamci_platform_data cm_x300_mci_platform_data = { + .detect_delay = 20, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .gpio_card_detect = GPIO82_MMC_IRQ, + .gpio_card_ro = GPIO85_MMC_WP, + .gpio_power = -1, +}; + +/* The second MMC slot of CM-X300 is hardwired to Libertas card and has no detection/ro pins */ -static int cm_x300_mci_init(struct device *dev, - irq_handler_t cm_x300_detect_int, - void *data) +static int cm_x300_mci2_init(struct device *dev, + irq_handler_t cm_x300_detect_int, + void *data) { return 0; } -static void cm_x300_mci_exit(struct device *dev, void *data) +static void cm_x300_mci2_exit(struct device *dev, void *data) { } -static struct pxamci_platform_data cm_x300_mci_platform_data = { +static struct pxamci_platform_data cm_x300_mci2_platform_data = { .detect_delay = 20, .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .init = cm_x300_mci_init, - .exit = cm_x300_mci_exit, + .init = cm_x300_mci2_init, + .exit = cm_x300_mci2_exit, .gpio_card_detect = -1, .gpio_card_ro = -1, .gpio_power = -1, }; -static struct pxamci_platform_data cm_x300_mci2_platform_data = { - .detect_delay = 20, - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .gpio_card_detect = GPIO82_MMC2_IRQ, - .gpio_card_ro = GPIO85_MMC2_WP, - .gpio_power = -1, -}; - static void __init cm_x300_init_mmc(void) { pxa_set_mci_info(&cm_x300_mci_platform_data); @@ -333,9 +470,19 @@ static inline void cm_x300_init_mmc(void) {} #endif #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static int cm_x300_ohci_init(struct device *dev) +{ + if (cpu_is_pxa300()) + UP2OCR = UP2OCR_HXS + | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE; + + return 0; +} + static struct pxaohci_platform_data cm_x300_ohci_platform_data = { .port_mode = PMM_PERPORT_MODE, - .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, + .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW, + .init = cm_x300_ohci_init, }; static void __init cm_x300_init_ohci(void) @@ -351,7 +498,6 @@ static struct gpio_led cm_x300_leds[] = { [0] = { .name = "cm-x300:green", .default_trigger = "heartbeat", - .gpio = 79, .active_low = 1, }, }; @@ -371,6 +517,11 @@ static struct platform_device cm_x300_led_device = { static void __init cm_x300_init_leds(void) { + if (system_rev < 130) + cm_x300_leds[0].gpio = 79; + else + cm_x300_leds[0].gpio = 76; + platform_device_register(&cm_x300_led_device); } #else @@ -433,11 +584,94 @@ static void __init cm_x300_init_rtc(void) static inline void cm_x300_init_rtc(void) {} #endif -static void __init cm_x300_init(void) +/* DA9030 */ +struct da903x_subdev_info cm_x300_da9030_subdevs[] = { + { + .name = "da903x-backlight", + .id = DA9030_ID_WLED, + } +}; + +static struct da903x_platform_data cm_x300_da9030_info = { + .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs), + .subdevs = cm_x300_da9030_subdevs, +}; + +static struct i2c_board_info cm_x300_pmic_info = { + I2C_BOARD_INFO("da9030", 0x49), + .irq = IRQ_GPIO(0), + .platform_data = &cm_x300_da9030_info, +}; + +static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = { + .use_pio = 1, +}; + +static void __init cm_x300_init_da9030(void) +{ + pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info); + i2c_register_board_info(1, &cm_x300_pmic_info, 1); +} + +static void __init cm_x300_init_wi2wi(void) +{ + int bt_reset, wlan_en; + int err; + + if (system_rev < 130) { + wlan_en = 77; + bt_reset = 78; + } else { + wlan_en = 71; + bt_reset = 70; + } + + /* Libertas and CSR reset */ + err = gpio_request(wlan_en, "wlan en"); + if (err) { + pr_err("CM-X300: failed to request wlan en gpio: %d\n", err); + } else { + gpio_direction_output(wlan_en, 1); + gpio_free(wlan_en); + } + + err = gpio_request(bt_reset, "bt reset"); + if (err) { + pr_err("CM-X300: failed to request bt reset gpio: %d\n", err); + } else { + gpio_direction_output(bt_reset, 1); + udelay(10); + gpio_set_value(bt_reset, 0); + udelay(10); + gpio_set_value(bt_reset, 1); + gpio_free(bt_reset); + } +} + +/* MFP */ +static void __init cm_x300_init_mfp(void) { /* board-processor specific GPIO initialization */ - pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg)); + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg)); + + if (system_rev < 130) + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg)); + else + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg)); + + if (cpu_is_pxa310()) + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg)); +} + +static void __init cm_x300_init(void) +{ + cm_x300_init_mfp(); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + cm_x300_init_da9030(); cm_x300_init_dm9000(); cm_x300_init_lcd(); cm_x300_init_ohci(); @@ -445,7 +679,11 @@ static void __init cm_x300_init(void) cm_x300_init_nand(); cm_x300_init_leds(); cm_x300_init_i2c(); + cm_x300_init_spi(); cm_x300_init_rtc(); + cm_x300_init_ac97(); + cm_x300_init_wi2wi(); + cm_x300_init_bl(); } static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags, |