diff options
Diffstat (limited to 'arch/arm/mach-pxa/mainstone.c')
| -rw-r--r-- | arch/arm/mach-pxa/mainstone.c | 219 |
1 files changed, 163 insertions, 56 deletions
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 72a436fb9a2..18d47cfa2a1 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -24,6 +24,8 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/backlight.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> #include <asm/types.h> #include <asm/setup.h> @@ -40,16 +42,94 @@ #include <asm/arch/pxa-regs.h> #include <asm/arch/pxa2xx-regs.h> +#include <asm/arch/mfp-pxa27x.h> #include <asm/arch/mainstone.h> #include <asm/arch/audio.h> #include <asm/arch/pxafb.h> +#include <asm/arch/i2c.h> #include <asm/arch/mmc.h> #include <asm/arch/irda.h> #include <asm/arch/ohci.h> +#include <asm/arch/pxa27x_keypad.h> #include "generic.h" #include "devices.h" +static unsigned long mainstone_pin_config[] = { + /* Chip Select */ + GPIO15_nCS_1, + + /* LCD - 16bpp Active TFT */ + 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, + GPIO16_PWM0_OUT, /* Backlight */ + + /* MMC */ + GPIO32_MMC_CLK, + GPIO112_MMC_CMD, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + + /* USB Host Port 1 */ + GPIO88_USBH1_PWR, + GPIO89_USBH1_PEN, + + /* PC Card */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO79_PSKTSEL, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + + /* AC97 */ + GPIO45_AC97_SYSCLK, + + /* Keypad */ + GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO94_KP_DKIN_1 | WAKEUP_ON_LEVEL_HIGH, + GPIO95_KP_DKIN_2 | WAKEUP_ON_LEVEL_HIGH, + GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, + GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, + GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, + GPIO98_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH, + GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, + GPIO103_KP_MKOUT_0, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + GPIO106_KP_MKOUT_3, + GPIO107_KP_MKOUT_4, + GPIO108_KP_MKOUT_5, + GPIO96_KP_MKOUT_6, + + /* GPIO */ + GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, +}; static unsigned long mainstone_irq_enabled; @@ -278,13 +358,13 @@ static int mainstone_backlight_update_status(struct backlight_device *bl) bl->props.fb_blank != FB_BLANK_UNBLANK) brightness = 0; - if (brightness != 0) { - pxa_gpio_mode(GPIO16_PWM0_MD); + if (brightness != 0) pxa_set_cken(CKEN_PWM0, 1); - } + PWM_CTRL0 = 0; PWM_PWDUTY0 = brightness; PWM_PERVAL0 = bl->props.max_brightness; + if (brightness == 0) pxa_set_cken(CKEN_PWM0, 0); return 0; /* pointless return value */ @@ -362,16 +442,6 @@ static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_in { int err; - /* - * setup GPIO for PXA27x MMC controller - */ - pxa_gpio_mode(GPIO32_MMCCLK_MD); - pxa_gpio_mode(GPIO112_MMCCMD_MD); - pxa_gpio_mode(GPIO92_MMCDAT0_MD); - pxa_gpio_mode(GPIO109_MMCDAT1_MD); - pxa_gpio_mode(GPIO110_MMCDAT2_MD); - pxa_gpio_mode(GPIO111_MMCDAT3_MD); - /* make sure SD/Memory Stick multiplexer's signals * are routed to MMC controller */ @@ -434,19 +504,39 @@ static struct pxaficp_platform_data mainstone_ficp_platform_data = { .transceiver_mode = mainstone_irda_transceiver_mode, }; +static struct gpio_keys_button gpio_keys_button[] = { + [0] = { + .desc = "wakeup", + .code = KEY_SUSPEND, + .type = EV_KEY, + .gpio = 1, + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data mainstone_gpio_keys = { + .buttons = gpio_keys_button, + .nbuttons = 1, +}; + +static struct platform_device mst_gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &mainstone_gpio_keys, + }, +}; + static struct platform_device *platform_devices[] __initdata = { &smc91x_device, &mst_audio_device, &mst_flash_device[0], &mst_flash_device[1], + &mst_gpio_keys_device, }; static int mainstone_ohci_init(struct device *dev) { - /* setup Port1 GPIO pin. */ - pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */ - pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */ - /* Set the Power Control Polarity Low and Power Sense Polarity Low to active low. */ UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) & @@ -460,10 +550,63 @@ static struct pxaohci_platform_data mainstone_ohci_platform_data = { .init = mainstone_ohci_init, }; +#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULES) +static unsigned int mainstone_matrix_keys[] = { + KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C), + KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F), + KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I), + KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L), + KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O), + KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R), + KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U), + KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X), + KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z), + + KEY(0, 4, KEY_DOT), /* . */ + KEY(1, 4, KEY_CLOSE), /* @ */ + KEY(4, 4, KEY_SLASH), + KEY(5, 4, KEY_BACKSLASH), + KEY(0, 5, KEY_HOME), + KEY(1, 5, KEY_LEFTSHIFT), + KEY(2, 5, KEY_SPACE), + KEY(3, 5, KEY_SPACE), + KEY(4, 5, KEY_ENTER), + KEY(5, 5, KEY_BACKSPACE), + + KEY(0, 6, KEY_UP), + KEY(1, 6, KEY_DOWN), + KEY(2, 6, KEY_LEFT), + KEY(3, 6, KEY_RIGHT), + KEY(4, 6, KEY_SELECT), +}; + +struct pxa27x_keypad_platform_data mainstone_keypad_info = { + .matrix_key_rows = 6, + .matrix_key_cols = 7, + .matrix_key_map = mainstone_matrix_keys, + .matrix_key_map_size = ARRAY_SIZE(mainstone_matrix_keys), + + .enable_rotary0 = 1, + .rotary0_up_key = KEY_UP, + .rotary0_down_key = KEY_DOWN, + + .debounce_interval = 30, +}; + +static void __init mainstone_init_keypad(void) +{ + pxa_set_keypad_info(&mainstone_keypad_info); +} +#else +static inline void mainstone_init_keypad(void) {} +#endif + static void __init mainstone_init(void) { int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */ + pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config)); + mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4; mst_flash_data[1].width = 4; @@ -480,31 +623,6 @@ static void __init mainstone_init(void) */ ARB_CNTRL = ARB_CORE_PARK | 0x234; - /* - * On Mainstone, we route AC97_SYSCLK via GPIO45 to - * the audio daughter card - */ - pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD); - - GPSR(GPIO48_nPOE) = - GPIO_bit(GPIO48_nPOE) | - GPIO_bit(GPIO49_nPWE) | - GPIO_bit(GPIO50_nPIOR) | - GPIO_bit(GPIO51_nPIOW) | - GPIO_bit(GPIO85_nPCE_1) | - GPIO_bit(GPIO54_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(GPIO85_nPCE_1_MD); - pxa_gpio_mode(GPIO54_nPCE_2_MD); - pxa_gpio_mode(GPIO79_pSKTSEL_MD); - pxa_gpio_mode(GPIO55_nPREG_MD); - pxa_gpio_mode(GPIO56_nPWAIT_MD); - pxa_gpio_mode(GPIO57_nIOIS16_MD); - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); /* reading Mainstone's "Virtual Configuration Register" @@ -520,6 +638,9 @@ static void __init mainstone_init(void) pxa_set_mci_info(&mainstone_mci_platform_data); pxa_set_ficp_info(&mainstone_ficp_platform_data); pxa_set_ohci_info(&mainstone_ohci_platform_data); + pxa_set_i2c_info(NULL); + + mainstone_init_keypad(); } @@ -537,23 +658,9 @@ static void __init mainstone_map_io(void) pxa_map_io(); iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc)); - /* initialize sleep mode regs (wake-up sources, etc) */ - PGSR0 = 0x00008800; - PGSR1 = 0x00000002; - PGSR2 = 0x0001FC00; - PGSR3 = 0x00001F81; - PWER = 0xC0000002; - PRER = 0x00000002; - PFER = 0x00000002; /* for use I SRAM as framebuffer. */ PSLR |= 0xF04; PCFR = 0x66; - /* For Keypad wakeup. */ - KPC &=~KPC_ASACT; - KPC |=KPC_AS; - PKWR = 0x000FD000; - /* Need read PKWR back after set it. */ - PKWR; } MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)") |