diff options
Diffstat (limited to 'arch/arm/mach-pxa/palmtc.c')
| -rw-r--r-- | arch/arm/mach-pxa/palmtc.c | 539 |
1 files changed, 539 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c new file mode 100644 index 000000000..455cb8cca --- /dev/null +++ b/arch/arm/mach-pxa/palmtc.c @@ -0,0 +1,539 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/palmtc.c + * + * Support for the Palm Tungsten|C + * + * Author: Marek Vasut <marek.vasut@gmail.com> + * + * Based on work of: + * Petr Blaha <p3t3@centrum.cz> + * Chetan S. Kumar <shivakumar.chetan@gmail.com> + */ + +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/input.h> +#include <linux/pwm.h> +#include <linux/pwm_backlight.h> +#include <linux/gpio/machine.h> +#include <linux/input/matrix_keypad.h> +#include <linux/ucb1400.h> +#include <linux/power_supply.h> +#include <linux/gpio_keys.h> +#include <linux/mtd/physmap.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "pxa25x.h" +#include <mach/audio.h> +#include <mach/palmtc.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/irda-pxaficp.h> +#include "udc.h" + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long palmtc_pin_config[] __initdata = { + /* MMC */ + GPIO6_MMC_CLK, + GPIO8_MMC_CS0, + GPIO12_GPIO, /* detect */ + GPIO32_GPIO, /* power */ + GPIO54_GPIO, /* r/o switch */ + + /* PCMCIA */ + GPIO52_nPCE_1, + GPIO53_nPCE_2, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO49_nPWE, + GPIO48_nPOE, + GPIO52_nPCE_1, + GPIO53_nPCE_2, + GPIO57_nIOIS16, + GPIO56_nPWAIT, + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + + /* IrDA */ + GPIO45_GPIO, /* ir disable */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* PWM */ + GPIO17_PWM1_OUT, + + /* USB */ + GPIO4_GPIO, /* detect */ + GPIO36_GPIO, /* pullup */ + + /* LCD */ + GPIOxx_LCD_TFT_16BPP, + + /* MATRIX KEYPAD */ + GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */ + GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */ + GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */ + GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */ + GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */ + GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */ + GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */ + GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */ + GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */ + GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */ + GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */ + GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */ + GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */ + GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */ + GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */ + GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */ + + /* PXA GPIO KEYS */ + GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */ + + /* MISC */ + GPIO1_RST, /* reset */ + GPIO2_GPIO, /* earphone detect */ + GPIO16_GPIO, /* backlight switch */ +}; + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +static struct pxamci_platform_data palmtc_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .detect_delay_ms = 200, +}; + +static struct gpiod_lookup_table palmtc_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_DETECT_N, + "cd", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_READONLY, + "wp", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_POWER, + "power", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static void __init palmtc_mmc_init(void) +{ + gpiod_add_lookup_table(&palmtc_mci_gpio_table); + pxa_set_mci_info(&palmtc_mci_platform_data); +} +#else +static inline void palmtc_mmc_init(void) {} +#endif + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button palmtc_pxa_buttons[] = { + {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1}, +}; + +static struct gpio_keys_platform_data palmtc_pxa_keys_data = { + .buttons = palmtc_pxa_buttons, + .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons), +}; + +static struct platform_device palmtc_pxa_keys = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &palmtc_pxa_keys_data, + }, +}; + +static void __init palmtc_keys_init(void) +{ + platform_device_register(&palmtc_pxa_keys); +} +#else +static inline void palmtc_keys_init(void) {} +#endif + +/****************************************************************************** + * Backlight + ******************************************************************************/ +#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) + +static struct gpiod_lookup_table palmtc_pwm_bl_gpio_table = { + .dev_id = "pwm-backlight.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_BL_POWER, + "enable", GPIO_ACTIVE_HIGH), + }, +}; + +static struct pwm_lookup palmtc_pwm_lookup[] = { + PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS, + PWM_POLARITY_NORMAL), +}; + +static struct platform_pwm_backlight_data palmtc_backlight_data = { + .max_brightness = PALMTC_MAX_INTENSITY, + .dft_brightness = PALMTC_MAX_INTENSITY, +}; + +static struct platform_device palmtc_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa25x_device_pwm1.dev, + .platform_data = &palmtc_backlight_data, + }, +}; + +static void __init palmtc_pwm_init(void) +{ + gpiod_add_lookup_table(&palmtc_pwm_bl_gpio_table); + pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup)); + platform_device_register(&palmtc_backlight); +} +#else +static inline void palmtc_pwm_init(void) {} +#endif + +/****************************************************************************** + * IrDA + ******************************************************************************/ +#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) +static struct pxaficp_platform_data palmtc_ficp_platform_data = { + .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE, + .transceiver_cap = IR_SIRMODE | IR_OFF, +}; + +static void __init palmtc_irda_init(void) +{ + pxa_set_ficp_info(&palmtc_ficp_platform_data); +} +#else +static inline void palmtc_irda_init(void) {} +#endif + +/****************************************************************************** + * Keyboard + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) +static const uint32_t palmtc_matrix_keys[] = { + KEY(0, 0, KEY_F1), + KEY(0, 1, KEY_X), + KEY(0, 2, KEY_POWER), + KEY(0, 3, KEY_TAB), + KEY(0, 4, KEY_A), + KEY(0, 5, KEY_Q), + KEY(0, 6, KEY_LEFTSHIFT), + KEY(0, 7, KEY_Z), + KEY(0, 8, KEY_S), + KEY(0, 9, KEY_W), + KEY(0, 10, KEY_E), + KEY(0, 11, KEY_UP), + + KEY(1, 0, KEY_F2), + KEY(1, 1, KEY_DOWN), + KEY(1, 3, KEY_D), + KEY(1, 4, KEY_C), + KEY(1, 5, KEY_F), + KEY(1, 6, KEY_R), + KEY(1, 7, KEY_SPACE), + KEY(1, 8, KEY_V), + KEY(1, 9, KEY_G), + KEY(1, 10, KEY_T), + KEY(1, 11, KEY_LEFT), + + KEY(2, 0, KEY_F3), + KEY(2, 1, KEY_LEFTCTRL), + KEY(2, 3, KEY_H), + KEY(2, 4, KEY_Y), + KEY(2, 5, KEY_N), + KEY(2, 6, KEY_J), + KEY(2, 7, KEY_U), + KEY(2, 8, KEY_M), + KEY(2, 9, KEY_K), + KEY(2, 10, KEY_I), + KEY(2, 11, KEY_RIGHT), + + KEY(3, 0, KEY_F4), + KEY(3, 1, KEY_ENTER), + KEY(3, 3, KEY_DOT), + KEY(3, 4, KEY_L), + KEY(3, 5, KEY_O), + KEY(3, 6, KEY_LEFTALT), + KEY(3, 7, KEY_ENTER), + KEY(3, 8, KEY_BACKSPACE), + KEY(3, 9, KEY_P), + KEY(3, 10, KEY_B), + KEY(3, 11, KEY_FN), +}; + +const struct matrix_keymap_data palmtc_keymap_data = { + .keymap = palmtc_matrix_keys, + .keymap_size = ARRAY_SIZE(palmtc_matrix_keys), +}; + +static const unsigned int palmtc_keypad_row_gpios[] = { + 0, 9, 10, 11 +}; + +static const unsigned int palmtc_keypad_col_gpios[] = { + 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80 +}; + +static struct matrix_keypad_platform_data palmtc_keypad_platform_data = { + .keymap_data = &palmtc_keymap_data, + .row_gpios = palmtc_keypad_row_gpios, + .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios), + .col_gpios = palmtc_keypad_col_gpios, + .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios), + .active_low = 1, + + .debounce_ms = 20, + .col_scan_delay_us = 5, +}; + +static struct platform_device palmtc_keyboard = { + .name = "matrix-keypad", + .id = -1, + .dev = { + .platform_data = &palmtc_keypad_platform_data, + }, +}; +static void __init palmtc_mkp_init(void) +{ + platform_device_register(&palmtc_keyboard); +} +#else +static inline void palmtc_mkp_init(void) {} +#endif + +/****************************************************************************** + * UDC + ******************************************************************************/ +#if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE) +static struct gpiod_lookup_table palmtc_udc_gpiod_table = { + .dev_id = "gpio-vbus", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_DETECT_N, + "vbus", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_POWER, + "pullup", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct platform_device palmtc_gpio_vbus = { + .name = "gpio-vbus", + .id = -1, +}; + +static void __init palmtc_udc_init(void) +{ + gpiod_add_lookup_table(&palmtc_udc_gpiod_table); + platform_device_register(&palmtc_gpio_vbus); +}; +#else +static inline void palmtc_udc_init(void) {} +#endif + +/****************************************************************************** + * Touchscreen / Battery / GPIO-extender + ******************************************************************************/ +#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ + defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) +static struct platform_device palmtc_ucb1400_device = { + .name = "ucb1400_core", + .id = -1, +}; + +static void __init palmtc_ts_init(void) +{ + pxa_set_ac97_info(NULL); + platform_device_register(&palmtc_ucb1400_device); +} +#else +static inline void palmtc_ts_init(void) {} +#endif + +/****************************************************************************** + * LEDs + ******************************************************************************/ +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +struct gpio_led palmtc_gpio_leds[] = { +{ + .name = "palmtc:green:user", + .default_trigger = "none", + .gpio = GPIO_NR_PALMTC_LED_POWER, + .active_low = 1, +}, { + .name = "palmtc:vibra:vibra", + .default_trigger = "none", + .gpio = GPIO_NR_PALMTC_VIBRA_POWER, + .active_low = 1, +} + +}; + +static struct gpio_led_platform_data palmtc_gpio_led_info = { + .leds = palmtc_gpio_leds, + .num_leds = ARRAY_SIZE(palmtc_gpio_leds), +}; + +static struct platform_device palmtc_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &palmtc_gpio_led_info, + } +}; + +static void __init palmtc_leds_init(void) +{ + platform_device_register(&palmtc_leds); +} +#else +static inline void palmtc_leds_init(void) {} +#endif + +/****************************************************************************** + * NOR Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct resource palmtc_flash_resource = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_16M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct mtd_partition palmtc_flash_parts[] = { + { + .name = "U-Boot Bootloader", + .offset = 0x0, + .size = 0x40000, + }, + { + .name = "Linux Kernel", + .offset = 0x40000, + .size = 0x2c0000, + }, + { + .name = "Filesystem", + .offset = 0x300000, + .size = 0xcc0000, + }, + { + .name = "U-Boot Environment", + .offset = 0xfc0000, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct physmap_flash_data palmtc_flash_data = { + .width = 4, + .parts = palmtc_flash_parts, + .nr_parts = ARRAY_SIZE(palmtc_flash_parts), +}; + +static struct platform_device palmtc_flash = { + .name = "physmap-flash", + .id = -1, + .resource = &palmtc_flash_resource, + .num_resources = 1, + .dev = { + .platform_data = &palmtc_flash_data, + }, +}; + +static void __init palmtc_nor_init(void) +{ + platform_device_register(&palmtc_flash); +} +#else +static inline void palmtc_nor_init(void) {} +#endif + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static struct pxafb_mode_info palmtc_lcd_modes[] = { + { + .pixclock = 115384, + .xres = 320, + .yres = 320, + .bpp = 16, + + .left_margin = 27, + .right_margin = 7, + .upper_margin = 7, + .lower_margin = 8, + + .hsync_len = 6, + .vsync_len = 1, + }, +}; + +static struct pxafb_mach_info palmtc_lcd_screen = { + .modes = palmtc_lcd_modes, + .num_modes = ARRAY_SIZE(palmtc_lcd_modes), + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +static void __init palmtc_lcd_init(void) +{ + pxa_set_fb_info(NULL, &palmtc_lcd_screen); +} +#else +static inline void palmtc_lcd_init(void) {} +#endif + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static void __init palmtc_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + pxa_set_hwuart_info(NULL); + + palmtc_mmc_init(); + palmtc_keys_init(); + palmtc_pwm_init(); + palmtc_irda_init(); + palmtc_mkp_init(); + palmtc_udc_init(); + palmtc_ts_init(); + palmtc_nor_init(); + palmtc_lcd_init(); + palmtc_leds_init(); +}; + +MACHINE_START(PALMTC, "Palm Tungsten|C") + .atag_offset = 0x100, + .map_io = pxa25x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa25x_init_irq, + .handle_irq = pxa25x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = palmtc_init, + .restart = pxa_restart, +MACHINE_END |