diff options
Diffstat (limited to 'arch/arm/mach-pxa/palmtreo.c')
| -rw-r--r-- | arch/arm/mach-pxa/palmtreo.c | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c new file mode 100644 index 000000000..2bf0f7f3e --- /dev/null +++ b/arch/arm/mach-pxa/palmtreo.c @@ -0,0 +1,548 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Hardware definitions for Palm Treo smartphones + * + * currently supported: + * Palm Treo 680 (GSM) + * Palm Centro 685 (GSM) + * + * Author: Tomas Cech <sleep_walker@suse.cz> + * + * (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/power_supply.h> +#include <linux/w1-gpio.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "pxa27x.h" +#include "pxa27x-udc.h" +#include <mach/audio.h> +#include "palmtreo.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/usb-ohci-pxa27x.h> +#include <mach/pxa2xx-regs.h> +#include <linux/platform_data/asoc-palm27x.h> +#include <linux/platform_data/media/camera-pxa.h> +#include "palm27x.h" + +#include <sound/pxa2xx-lib.h> + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long treo_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, + GPIO113_GPIO, /* SD detect */ + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO89_AC97_SYSCLK, + GPIO95_AC97_nRESET, + + /* IrDA */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* PWM */ + GPIO16_PWM0_OUT, + + /* USB */ + GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */ + + /* MATRIX KEYPAD */ + GPIO101_KP_MKIN_1, + GPIO102_KP_MKIN_2, + GPIO97_KP_MKIN_3, + GPIO98_KP_MKIN_4, + GPIO91_KP_MKIN_6, + GPIO13_KP_MKIN_7, + GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + GPIO106_KP_MKOUT_3, + GPIO107_KP_MKOUT_4, + GPIO108_KP_MKOUT_5, + GPIO96_KP_MKOUT_6, + GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */ + + /* Quick Capture Interface */ + GPIO84_CIF_FV, + GPIO85_CIF_LV, + GPIO53_CIF_MCLK, + GPIO54_CIF_PCLK, + GPIO81_CIF_DD_0, + GPIO55_CIF_DD_1, + GPIO51_CIF_DD_2, + GPIO50_CIF_DD_3, + GPIO52_CIF_DD_4, + GPIO48_CIF_DD_5, + GPIO17_CIF_DD_6, + GPIO12_CIF_DD_7, + + /* I2C */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + /* GSM */ + GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */ + GPIO34_FFUART_RXD, + GPIO35_FFUART_CTS, + GPIO39_FFUART_TXD, + GPIO41_FFUART_RTS, + + /* MISC. */ + GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */ + GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */ + GPIO116_GPIO, /* headphone detect */ + GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */ +}; + +#ifdef CONFIG_MACH_TREO680 +static unsigned long treo680_pin_config[] __initdata = { + GPIO33_GPIO, /* SD read only */ + + /* MATRIX KEYPAD - different wake up source */ + GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO99_KP_MKIN_5, + + /* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */ + GPIOxx_LCD_16BPP, + GPIO74_LCD_FCLK, + GPIO75_LCD_LCLK, + GPIO76_LCD_PCLK, +}; +#endif /* CONFIG_MACH_TREO680 */ + +#ifdef CONFIG_MACH_CENTRO +static unsigned long centro685_pin_config[] __initdata = { + /* Bluetooth attached to BT UART*/ + MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW), /* power: LOW = off */ + GPIO42_BTUART_RXD, + GPIO43_BTUART_TXD, + GPIO44_BTUART_CTS, + GPIO45_BTUART_RTS, + + /* MATRIX KEYPAD - different wake up source */ + GPIO100_KP_MKIN_0, + GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, + + /* LCD */ + GPIOxx_LCD_TFT_16BPP, +}; +#endif /* CONFIG_MACH_CENTRO */ + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +#if IS_ENABLED(CONFIG_KEYBOARD_PXA27x) +static const unsigned int treo680_matrix_keys[] = { + KEY(0, 0, KEY_F8), /* Red/Off/Power */ + KEY(0, 1, KEY_LEFT), + KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ + KEY(0, 3, KEY_L), + KEY(0, 4, KEY_A), + KEY(0, 5, KEY_Q), + KEY(0, 6, KEY_P), + + KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ + KEY(1, 1, KEY_RIGHT), + KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ + KEY(1, 3, KEY_Z), + KEY(1, 4, KEY_S), + KEY(1, 5, KEY_W), + + KEY(2, 0, KEY_F1), /* Phone */ + KEY(2, 1, KEY_UP), + KEY(2, 2, KEY_0), + KEY(2, 3, KEY_X), + KEY(2, 4, KEY_D), + KEY(2, 5, KEY_E), + + KEY(3, 0, KEY_F10), /* Calendar */ + KEY(3, 1, KEY_DOWN), + KEY(3, 2, KEY_SPACE), + KEY(3, 3, KEY_C), + KEY(3, 4, KEY_F), + KEY(3, 5, KEY_R), + + KEY(4, 0, KEY_F12), /* Mail */ + KEY(4, 1, KEY_KPENTER), + KEY(4, 2, KEY_RIGHTALT), /* Alt */ + KEY(4, 3, KEY_V), + KEY(4, 4, KEY_G), + KEY(4, 5, KEY_T), + + KEY(5, 0, KEY_F9), /* Home */ + KEY(5, 1, KEY_PAGEUP), /* Side up */ + KEY(5, 2, KEY_DOT), + KEY(5, 3, KEY_B), + KEY(5, 4, KEY_H), + KEY(5, 5, KEY_Y), + + KEY(6, 0, KEY_TAB), /* Side Activate */ + KEY(6, 1, KEY_PAGEDOWN), /* Side down */ + KEY(6, 2, KEY_ENTER), + KEY(6, 3, KEY_N), + KEY(6, 4, KEY_J), + KEY(6, 5, KEY_U), + + KEY(7, 0, KEY_F6), /* Green/Call */ + KEY(7, 1, KEY_O), + KEY(7, 2, KEY_BACKSPACE), + KEY(7, 3, KEY_M), + KEY(7, 4, KEY_K), + KEY(7, 5, KEY_I), +}; + +static const unsigned int centro_matrix_keys[] = { + KEY(0, 0, KEY_F9), /* Home */ + KEY(0, 1, KEY_LEFT), + KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ + KEY(0, 3, KEY_L), + KEY(0, 4, KEY_A), + KEY(0, 5, KEY_Q), + KEY(0, 6, KEY_P), + + KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ + KEY(1, 1, KEY_RIGHT), + KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ + KEY(1, 3, KEY_Z), + KEY(1, 4, KEY_S), + KEY(1, 5, KEY_W), + + KEY(2, 0, KEY_F1), /* Phone */ + KEY(2, 1, KEY_UP), + KEY(2, 2, KEY_0), + KEY(2, 3, KEY_X), + KEY(2, 4, KEY_D), + KEY(2, 5, KEY_E), + + KEY(3, 0, KEY_F10), /* Calendar */ + KEY(3, 1, KEY_DOWN), + KEY(3, 2, KEY_SPACE), + KEY(3, 3, KEY_C), + KEY(3, 4, KEY_F), + KEY(3, 5, KEY_R), + + KEY(4, 0, KEY_F12), /* Mail */ + KEY(4, 1, KEY_KPENTER), + KEY(4, 2, KEY_RIGHTALT), /* Alt */ + KEY(4, 3, KEY_V), + KEY(4, 4, KEY_G), + KEY(4, 5, KEY_T), + + KEY(5, 0, KEY_F8), /* Red/Off/Power */ + KEY(5, 1, KEY_PAGEUP), /* Side up */ + KEY(5, 2, KEY_DOT), + KEY(5, 3, KEY_B), + KEY(5, 4, KEY_H), + KEY(5, 5, KEY_Y), + + KEY(6, 0, KEY_TAB), /* Side Activate */ + KEY(6, 1, KEY_PAGEDOWN), /* Side down */ + KEY(6, 2, KEY_ENTER), + KEY(6, 3, KEY_N), + KEY(6, 4, KEY_J), + KEY(6, 5, KEY_U), + + KEY(7, 0, KEY_F6), /* Green/Call */ + KEY(7, 1, KEY_O), + KEY(7, 2, KEY_BACKSPACE), + KEY(7, 3, KEY_M), + KEY(7, 4, KEY_K), + KEY(7, 5, KEY_I), +}; + +static struct matrix_keymap_data treo680_matrix_keymap_data = { + .keymap = treo680_matrix_keys, + .keymap_size = ARRAY_SIZE(treo680_matrix_keys), +}; + +static struct matrix_keymap_data centro_matrix_keymap_data = { + .keymap = centro_matrix_keys, + .keymap_size = ARRAY_SIZE(centro_matrix_keys), +}; + +static struct pxa27x_keypad_platform_data treo680_keypad_pdata = { + .matrix_key_rows = 8, + .matrix_key_cols = 7, + .matrix_keymap_data = &treo680_matrix_keymap_data, + .direct_key_map = { KEY_CONNECT }, + .direct_key_num = 1, + + .debounce_interval = 30, +}; + +static void __init palmtreo_kpc_init(void) +{ + static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata; + + if (machine_is_centro()) + data->matrix_keymap_data = ¢ro_matrix_keymap_data; + + pxa_set_keypad_info(&treo680_keypad_pdata); +} +#else +static inline void palmtreo_kpc_init(void) {} +#endif + +/****************************************************************************** + * USB host + ******************************************************************************/ +#if IS_ENABLED(CONFIG_USB_OHCI_HCD) +static struct pxaohci_platform_data treo680_ohci_info = { + .port_mode = PMM_PERPORT_MODE, + .flags = ENABLE_PORT1 | ENABLE_PORT3, + .power_budget = 0, +}; + +static void __init palmtreo_uhc_init(void) +{ + if (machine_is_treo680()) + pxa_set_ohci_info(&treo680_ohci_info); +} +#else +static inline void palmtreo_uhc_init(void) {} +#endif + +/****************************************************************************** + * Vibra and LEDs + ******************************************************************************/ +static struct gpio_led treo680_gpio_leds[] = { + { + .name = "treo680:vibra:vibra", + .default_trigger = "none", + .gpio = GPIO_NR_TREO680_VIBRATE_EN, + }, + { + .name = "treo680:green:led", + .default_trigger = "mmc0", + .gpio = GPIO_NR_TREO_GREEN_LED, + }, + { + .name = "treo680:white:keybbl", + .default_trigger = "none", + .gpio = GPIO_NR_TREO680_KEYB_BL, + }, +}; + +static struct gpio_led_platform_data treo680_gpio_led_info = { + .leds = treo680_gpio_leds, + .num_leds = ARRAY_SIZE(treo680_gpio_leds), +}; + +static struct gpio_led centro_gpio_leds[] = { + { + .name = "centro:vibra:vibra", + .default_trigger = "none", + .gpio = GPIO_NR_CENTRO_VIBRATE_EN, + }, + { + .name = "centro:green:led", + .default_trigger = "mmc0", + .gpio = GPIO_NR_TREO_GREEN_LED, + }, + { + .name = "centro:white:keybbl", + .default_trigger = "none", + .active_low = 1, + .gpio = GPIO_NR_CENTRO_KEYB_BL, + }, +}; + +static struct gpio_led_platform_data centro_gpio_led_info = { + .leds = centro_gpio_leds, + .num_leds = ARRAY_SIZE(centro_gpio_leds), +}; + +static struct platform_device palmtreo_leds = { + .name = "leds-gpio", + .id = -1, +}; + +static void __init palmtreo_leds_init(void) +{ + if (machine_is_centro()) + palmtreo_leds.dev.platform_data = ¢ro_gpio_led_info; + else if (machine_is_treo680()) + palmtreo_leds.dev.platform_data = &treo680_gpio_led_info; + + platform_device_register(&palmtreo_leds); +} + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static void __init treo_reserve(void) +{ + memblock_reserve(0xa0000000, 0x1000); + memblock_reserve(0xa2000000, 0x1000); +} + +static void __init palmphone_common_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config)); + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + palm27x_pm_init(TREO_STR_BASE); + palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode); + palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1); + palm27x_irda_init(GPIO_NR_TREO_IR_EN); + palm27x_ac97_init(-1, -1, -1, 95); + palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1); + palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1); + palm27x_pmic_init(); + palmtreo_kpc_init(); + palmtreo_uhc_init(); + palmtreo_leds_init(); +} + +#ifdef CONFIG_MACH_TREO680 +void __init treo680_gpio_init(void) +{ + unsigned int gpio; + + /* drive all three lcd gpios high initially */ + const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT; + + /* + * LCD GPIO initialization... + */ + + /* + * This is likely the power to the lcd. Toggling it low/high appears to + * turn the lcd off/on. Can be toggled after lcd is initialized without + * any apparent adverse effects to the lcd operation. Note that this + * gpio line is used by the lcd controller as the L_BIAS signal, but + * treo680 configures it as gpio. + */ + gpio = GPIO_NR_TREO680_LCD_POWER; + if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0) + goto fail; + + /* + * These two are called "enables", for lack of a better understanding. + * If either of these are toggled after the lcd is initialized, the + * image becomes degraded. N.B. The IPL shipped with the treo + * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high. If + * the IPL is ever reprogrammed, this initialization may be need to be + * revisited. + */ + gpio = GPIO_NR_TREO680_LCD_EN; + if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0) + goto fail; + gpio = GPIO_NR_TREO680_LCD_EN_N; + if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0) + goto fail; + + /* driving this low turns LCD on */ + gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0); + + return; + fail: + pr_err("gpio %d initialization failed\n", gpio); + gpio_free(GPIO_NR_TREO680_LCD_POWER); + gpio_free(GPIO_NR_TREO680_LCD_EN); + gpio_free(GPIO_NR_TREO680_LCD_EN_N); +} + +static struct gpiod_lookup_table treo680_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N, + "cd", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_READONLY, + "wp", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_POWER, + "power", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static void __init treo680_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config)); + palmphone_common_init(); + treo680_gpio_init(); + palm27x_mmc_init(&treo680_mci_gpio_table); +} +#endif + +#ifdef CONFIG_MACH_CENTRO + +static struct gpiod_lookup_table centro685_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N, + "cd", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", GPIO_NR_CENTRO_SD_POWER, + "power", GPIO_ACTIVE_LOW), + { }, + }, +}; + +static void __init centro_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config)); + palmphone_common_init(); + palm27x_mmc_init(¢ro685_mci_gpio_table); +} +#endif + +#ifdef CONFIG_MACH_TREO680 +MACHINE_START(TREO680, "Palm Treo 680") + .atag_offset = 0x100, + .map_io = pxa27x_map_io, + .reserve = treo_reserve, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .handle_irq = pxa27x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = treo680_init, + .restart = pxa_restart, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_CENTRO +MACHINE_START(CENTRO, "Palm Centro 685") + .atag_offset = 0x100, + .map_io = pxa27x_map_io, + .reserve = treo_reserve, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .handle_irq = pxa27x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = centro_init, + .restart = pxa_restart, +MACHINE_END +#endif |