diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/Kconfig | 9 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/palmtc.h | 86 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/palmtc.c | 462 |
4 files changed, 558 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 32e44b3a8fb..d1dcb1cf075 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -376,6 +376,15 @@ config MACH_PALMTE2 Say Y here if you intend to run this kernel on a Palm Tungsten|E2 handheld computer. +config MACH_PALMTC + bool "Palm Tungsten|C" + default y + depends on ARCH_PXA_PALM + select PXA25x + help + Say Y here if you intend to run this kernel on a Palm Tungsten|C + handheld computer. + config MACH_PALMT5 bool "Palm Tungsten|T5" default y diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index d4c6122a342..aa8f83e9421 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -58,6 +58,7 @@ obj-$(CONFIG_MACH_E750) += e750.o obj-$(CONFIG_MACH_E400) += e400.o obj-$(CONFIG_MACH_E800) += e800.o obj-$(CONFIG_MACH_PALMTE2) += palmte2.o +obj-$(CONFIG_MACH_PALMTC) += palmtc.o obj-$(CONFIG_MACH_PALMT5) += palmt5.o obj-$(CONFIG_MACH_PALMTX) += palmtx.o obj-$(CONFIG_MACH_PALMLD) += palmld.o diff --git a/arch/arm/mach-pxa/include/mach/palmtc.h b/arch/arm/mach-pxa/include/mach/palmtc.h new file mode 100644 index 00000000000..3dc9b074ab4 --- /dev/null +++ b/arch/arm/mach-pxa/include/mach/palmtc.h @@ -0,0 +1,86 @@ +/* + * linux/include/asm-arm/arch-pxa/palmtc-gpio.h + * + * GPIOs and interrupts for Palm Tungsten|C Handheld Computer + * + * Authors: Alex Osborne <bobofdoom@gmail.com> + * Marek Vasut <marek.vasut@gmail.com> + * Holger Bocklet <bitz.email@gmx.net> + * + * 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 + * published by the Free Software Foundation. + * + */ + +#ifndef _INCLUDE_PALMTC_H_ +#define _INCLUDE_PALMTC_H_ + +/** HERE ARE GPIOs **/ + +/* GPIOs */ +#define GPIO_NR_PALMTC_EARPHONE_DETECT 2 +#define GPIO_NR_PALMTC_CRADLE_DETECT 5 +#define GPIO_NR_PALMTC_HOTSYNC_BUTTON 7 + +/* SD/MMC */ +#define GPIO_NR_PALMTC_SD_DETECT_N 12 +#define GPIO_NR_PALMTC_SD_POWER 32 +#define GPIO_NR_PALMTC_SD_READONLY 54 + +/* WLAN */ +#define GPIO_NR_PALMTC_PCMCIA_READY 13 +#define GPIO_NR_PALMTC_PCMCIA_PWRREADY 14 +#define GPIO_NR_PALMTC_PCMCIA_POWER1 15 +#define GPIO_NR_PALMTC_PCMCIA_POWER2 33 +#define GPIO_NR_PALMTC_PCMCIA_POWER3 55 +#define GPIO_NR_PALMTC_PCMCIA_RESET 78 + +/* UDC */ +#define GPIO_NR_PALMTC_USB_DETECT_N 4 +#define GPIO_NR_PALMTC_USB_POWER 36 + +/* LCD/BACKLIGHT */ +#define GPIO_NR_PALMTC_BL_POWER 16 +#define GPIO_NR_PALMTC_LCD_POWER 44 +#define GPIO_NR_PALMTC_LCD_BLANK 38 + +/* UART */ +#define GPIO_NR_PALMTC_RS232_POWER 37 + +/* IRDA */ +#define GPIO_NR_PALMTC_IR_DISABLE 45 + +/* IRQs */ +#define IRQ_GPIO_PALMTC_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMTC_SD_DETECT_N) +#define IRQ_GPIO_PALMTC_WLAN_READY IRQ_GPIO(GPIO_NR_PALMTC_WLAN_READY) + +/* UCB1400 GPIOs */ +#define GPIO_NR_PALMTC_POWER_DETECT (0x80 | 0x00) +#define GPIO_NR_PALMTC_HEADPHONE_DETECT (0x80 | 0x01) +#define GPIO_NR_PALMTC_SPEAKER_ENABLE (0x80 | 0x03) +#define GPIO_NR_PALMTC_VIBRA_POWER (0x80 | 0x05) +#define GPIO_NR_PALMTC_LED_POWER (0x80 | 0x07) + +/** HERE ARE INIT VALUES **/ +#define PALMTC_UCB1400_GPIO_OFFSET 0x80 + +/* BATTERY */ +#define PALMTC_BAT_MAX_VOLTAGE 4000 /* 4.00V maximum voltage */ +#define PALMTC_BAT_MIN_VOLTAGE 3550 /* 3.55V critical voltage */ +#define PALMTC_BAT_MAX_CURRENT 0 /* unknokn */ +#define PALMTC_BAT_MIN_CURRENT 0 /* unknown */ +#define PALMTC_BAT_MAX_CHARGE 1 /* unknown */ +#define PALMTC_BAT_MIN_CHARGE 1 /* unknown */ +#define PALMTC_MAX_LIFE_MINS 240 /* on-life in minutes */ + +#define PALMTC_BAT_MEASURE_DELAY (HZ * 1) + +/* BACKLIGHT */ +#define PALMTC_MAX_INTENSITY 0xFE +#define PALMTC_DEFAULT_INTENSITY 0x7E +#define PALMTC_LIMIT_MASK 0x7F +#define PALMTC_PRESCALER 0x3F +#define PALMTC_PERIOD_NS 3500 + +#endif diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c new file mode 100644 index 00000000000..f70f1f820ee --- /dev/null +++ b/arch/arm/mach-pxa/palmtc.c @@ -0,0 +1,462 @@ +/* + * 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> + * + * 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 + * published by the Free Software Foundation. + */ + +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/input.h> +#include <linux/pwm_backlight.h> +#include <linux/gpio.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 <mach/audio.h> +#include <mach/palmtc.h> +#include <mach/mmc.h> +#include <mach/pxafb.h> +#include <mach/mfp-pxa25x.h> +#include <mach/irda.h> +#include <mach/udc.h> +#include <mach/pxa2xx-regs.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 */ + 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, + + /* 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 + ******************************************************************************/ +static struct pxamci_platform_data palmtc_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .gpio_power = GPIO_NR_PALMTC_SD_POWER, + .gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY, + .gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N, + .detect_delay = 20, +}; + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +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, + }, +}; + +/****************************************************************************** + * Backlight + ******************************************************************************/ +static int palmtc_backlight_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER"); + if (ret) + goto err; + ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1); + if (ret) + goto err2; + + return 0; + +err2: + gpio_free(GPIO_NR_PALMTC_BL_POWER); +err: + return ret; +} + +static int palmtc_backlight_notify(int brightness) +{ + /* backlight is on when GPIO16 AF0 is high */ + gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness); + return brightness; +} + +static void palmtc_backlight_exit(struct device *dev) +{ + gpio_free(GPIO_NR_PALMTC_BL_POWER); +} + +static struct platform_pwm_backlight_data palmtc_backlight_data = { + .pwm_id = 1, + .max_brightness = PALMTC_MAX_INTENSITY, + .dft_brightness = PALMTC_MAX_INTENSITY, + .pwm_period_ns = PALMTC_PERIOD_NS, + .init = palmtc_backlight_init, + .notify = palmtc_backlight_notify, + .exit = palmtc_backlight_exit, +}; + +static struct platform_device palmtc_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa25x_device_pwm1.dev, + .platform_data = &palmtc_backlight_data, + }, +}; + +/****************************************************************************** + * IrDA + ******************************************************************************/ +static int palmtc_irda_startup(struct device *dev) +{ + int err; + err = gpio_request(GPIO_NR_PALMTC_IR_DISABLE, "IR DISABLE"); + if (err) + goto err; + err = gpio_direction_output(GPIO_NR_PALMTC_IR_DISABLE, 1); + if (err) + gpio_free(GPIO_NR_PALMTC_IR_DISABLE); +err: + return err; +} + +static void palmtc_irda_shutdown(struct device *dev) +{ + gpio_free(GPIO_NR_PALMTC_IR_DISABLE); +} + +static void palmtc_irda_transceiver_mode(struct device *dev, int mode) +{ + gpio_set_value(GPIO_NR_PALMTC_IR_DISABLE, mode & IR_OFF); + pxa2xx_transceiver_mode(dev, mode); +} + +static struct pxaficp_platform_data palmtc_ficp_platform_data = { + .startup = palmtc_irda_startup, + .shutdown = palmtc_irda_shutdown, + .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, + .transceiver_mode = palmtc_irda_transceiver_mode, +}; + +/****************************************************************************** + * Keyboard + ******************************************************************************/ +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), +}; + +const static unsigned int palmtc_keypad_row_gpios[] = { + 0, 9, 10, 11 +}; + +const static 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, + .col_gpios = palmtc_keypad_row_gpios, + .num_col_gpios = 12, + .row_gpios = palmtc_keypad_col_gpios, + .num_row_gpios = 4, + .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, + }, +}; + +/****************************************************************************** + * UDC + ******************************************************************************/ +static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = { + .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N, + .gpio_vbus_inverted = 1, + .gpio_pullup = GPIO_NR_PALMTC_USB_POWER, +}; + +/****************************************************************************** + * Touchscreen / Battery / GPIO-extender + ******************************************************************************/ +static struct platform_device palmtc_ucb1400_core = { + .name = "ucb1400_core", + .id = -1, +}; + +/****************************************************************************** + * NOR Flash + ******************************************************************************/ +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, + }, +}; + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +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, +}; + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static struct platform_device *devices[] __initdata = { + &palmtc_backlight, + &palmtc_ucb1400_core, + &palmtc_keyboard, + &palmtc_pxa_keys, + &palmtc_flash, +}; + +static void __init palmtc_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config)); + + set_pxa_fb_info(&palmtc_lcd_screen); + pxa_set_mci_info(&palmtc_mci_platform_data); + pxa_set_udc_info(&palmtc_udc_info); + pxa_set_ac97_info(NULL); + pxa_set_ficp_info(&palmtc_ficp_platform_data); + + platform_add_devices(devices, ARRAY_SIZE(devices)); +}; + +MACHINE_START(PALMTC, "Palm Tungsten|C") + .phys_io = 0x40000000, + .boot_params = 0xa0000100, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .timer = &pxa_timer, + .init_machine = palmtc_init +MACHINE_END |