diff options
Diffstat (limited to 'arch/arm/mach-pxa/palmt5.c')
| -rw-r--r-- | arch/arm/mach-pxa/palmt5.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c new file mode 100644 index 000000000..463b62ec1 --- /dev/null +++ b/arch/arm/mach-pxa/palmt5.c @@ -0,0 +1,234 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Hardware definitions for Palm Tungsten|T5 + * + * Author: Marek Vasut <marek.vasut@gmail.com> + * + * Based on work of: + * Ales Snuparek <snuparek@atlas.cz> + * Justin Kendrick <twilightsentry@gmail.com> + * RichardT5 <richard_t5@users.sourceforge.net> + * + * (find more info at www.hackndev.com) + */ + +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/memblock.h> +#include <linux/pda_power.h> +#include <linux/pwm_backlight.h> +#include <linux/gpio.h> +#include <linux/wm97xx.h> +#include <linux/power_supply.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "pxa27x.h" +#include <linux/platform_data/asoc-pxa.h> +#include "palmt5.h" +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/irda-pxaficp.h> +#include <linux/platform_data/keypad-pxa27x.h> +#include "udc.h" +#include <linux/platform_data/asoc-palm27x.h> +#include "palm27x.h" + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long palmt5_pin_config[] __initdata = { + /* MMC */ + GPIO32_MMC_CLK, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + GPIO112_MMC_CMD, + GPIO14_GPIO, /* SD detect */ + GPIO114_GPIO, /* SD power */ + GPIO115_GPIO, /* SD r/o switch */ + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO89_AC97_SYSCLK, + GPIO95_AC97_nRESET, + + /* IrDA */ + GPIO40_GPIO, /* ir disable */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* USB */ + GPIO15_GPIO, /* usb detect */ + GPIO93_GPIO, /* usb power */ + + /* MATRIX KEYPAD */ + 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, + GPIO103_KP_MKOUT_0, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + + /* LCD */ + GPIOxx_LCD_TFT_16BPP, + + /* PWM */ + GPIO16_PWM0_OUT, + + /* FFUART */ + GPIO34_FFUART_RXD, + GPIO39_FFUART_TXD, + + /* MISC */ + GPIO10_GPIO, /* hotsync button */ + GPIO90_GPIO, /* power detect */ + GPIO107_GPIO, /* earphone detect */ +}; + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) +static const unsigned int palmt5_matrix_keys[] = { + KEY(0, 0, KEY_POWER), + KEY(0, 1, KEY_F1), + KEY(0, 2, KEY_ENTER), + + KEY(1, 0, KEY_F2), + KEY(1, 1, KEY_F3), + KEY(1, 2, KEY_F4), + + KEY(2, 0, KEY_UP), + KEY(2, 2, KEY_DOWN), + + KEY(3, 0, KEY_RIGHT), + KEY(3, 2, KEY_LEFT), +}; + +static struct matrix_keymap_data palmt5_matrix_keymap_data = { + .keymap = palmt5_matrix_keys, + .keymap_size = ARRAY_SIZE(palmt5_matrix_keys), +}; + +static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = { + .matrix_key_rows = 4, + .matrix_key_cols = 3, + .matrix_keymap_data = &palmt5_matrix_keymap_data, + + .debounce_interval = 30, +}; + +static void __init palmt5_kpc_init(void) +{ + pxa_set_keypad_info(&palmt5_keypad_platform_data); +} +#else +static inline void palmt5_kpc_init(void) {} +#endif + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button palmt5_pxa_buttons[] = { + {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, +}; + +static struct gpio_keys_platform_data palmt5_pxa_keys_data = { + .buttons = palmt5_pxa_buttons, + .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons), +}; + +static struct platform_device palmt5_pxa_keys = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &palmt5_pxa_keys_data, + }, +}; + +static void __init palmt5_keys_init(void) +{ + platform_device_register(&palmt5_pxa_keys); +} +#else +static inline void palmt5_keys_init(void) {} +#endif + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static void __init palmt5_reserve(void) +{ + memblock_reserve(0xa0200000, 0x1000); +} + +static struct gpiod_lookup_table palmt5_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N, + "cd", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY, + "wp", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER, + "power", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct gpiod_lookup_table palmt5_wm97xx_touch_gpio_table = { + .dev_id = "wm97xx-touch", + .table = { + GPIO_LOOKUP("gpio-pxa", 27, "touch", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static void __init palmt5_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config)); + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + palm27x_mmc_init(&palmt5_mci_gpio_table); + gpiod_add_lookup_table(&palmt5_wm97xx_touch_gpio_table); + palm27x_pm_init(PALMT5_STR_BASE); + palm27x_lcd_init(-1, &palm_320x480_lcd_mode); + palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N, + GPIO_NR_PALMT5_USB_PULLUP, 1); + palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE); + palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE, + GPIO_NR_PALMT5_EARPHONE_DETECT, 95); + palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER); + palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1); + palm27x_pmic_init(); + palmt5_kpc_init(); + palmt5_keys_init(); +} + +MACHINE_START(PALMT5, "Palm Tungsten|T5") + .atag_offset = 0x100, + .map_io = pxa27x_map_io, + .reserve = palmt5_reserve, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .handle_irq = pxa27x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = palmt5_init, + .restart = pxa_restart, +MACHINE_END |