From 54088bf50f31e5f20e005922dae8948f9f856b79 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 24 Mar 2009 00:29:29 +0100 Subject: [ARM] pxa: Palm Tungsten E2 basic support This contains support for keypad, MMC, AC97, LCD and backlight. Signed-off-by: Marek Vasut Signed-off-by: Eric Miao --- arch/arm/mach-pxa/palmte2.c | 278 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 278 insertions(+) create mode 100644 arch/arm/mach-pxa/palmte2.c (limited to 'arch/arm/mach-pxa/palmte2.c') diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c new file mode 100644 index 000000000000..e0dc655ae83a --- /dev/null +++ b/arch/arm/mach-pxa/palmte2.c @@ -0,0 +1,278 @@ +/* + * Hardware definitions for Palm Tungsten|E2 + * + * Author: + * Carlos Eduardo Medaglia Dyonisio + * + * Rewrite for mainline: + * Marek Vasut + * + * 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. + * + * (find more info at www.hackndev.com) + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long palmte2_pin_config[] __initdata = { + /* MMC */ + GPIO6_MMC_CLK, + GPIO8_MMC_CS0, + GPIO10_GPIO, /* SD detect */ + GPIO55_GPIO, /* SD power */ + GPIO51_GPIO, /* SD r/o switch */ + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + + /* PWM */ + GPIO16_PWM0_OUT, + + /* 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, + + /* GPIO KEYS */ + GPIO5_GPIO, /* notes */ + GPIO7_GPIO, /* tasks */ + GPIO11_GPIO, /* calendar */ + GPIO13_GPIO, /* contacts */ + GPIO14_GPIO, /* center */ + GPIO19_GPIO, /* left */ + GPIO20_GPIO, /* right */ + GPIO21_GPIO, /* down */ + GPIO22_GPIO, /* up */ + + /* MISC */ + GPIO1_RST, /* reset */ +}; + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +static int palmte2_mci_init(struct device *dev, + irq_handler_t palmte2_detect_int, void *data) +{ + int err = 0; + + /* Setup an interrupt for detecting card insert/remove events */ + err = gpio_request(GPIO_NR_PALMTE2_SD_DETECT_N, "SD IRQ"); + if (err) + goto err; + err = gpio_direction_input(GPIO_NR_PALMTE2_SD_DETECT_N); + if (err) + goto err2; + err = request_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), + palmte2_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM | + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, + "SD/MMC card detect", data); + if (err) { + printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n", + __func__); + goto err2; + } + + err = gpio_request(GPIO_NR_PALMTE2_SD_POWER, "SD_POWER"); + if (err) + goto err3; + err = gpio_direction_output(GPIO_NR_PALMTE2_SD_POWER, 0); + if (err) + goto err4; + + err = gpio_request(GPIO_NR_PALMTE2_SD_READONLY, "SD_READONLY"); + if (err) + goto err4; + err = gpio_direction_input(GPIO_NR_PALMTE2_SD_READONLY); + if (err) + goto err5; + + printk(KERN_DEBUG "%s: irq registered\n", __func__); + + return 0; + +err5: + gpio_free(GPIO_NR_PALMTE2_SD_READONLY); +err4: + gpio_free(GPIO_NR_PALMTE2_SD_POWER); +err3: + free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data); +err2: + gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N); +err: + return err; +} + +static void palmte2_mci_exit(struct device *dev, void *data) +{ + gpio_free(GPIO_NR_PALMTE2_SD_READONLY); + gpio_free(GPIO_NR_PALMTE2_SD_POWER); + free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data); + gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N); +} + +static void palmte2_mci_power(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data *p_d = dev->platform_data; + gpio_set_value(GPIO_NR_PALMTE2_SD_POWER, p_d->ocr_mask & (1 << vdd)); +} + +static int palmte2_mci_get_ro(struct device *dev) +{ + return gpio_get_value(GPIO_NR_PALMTE2_SD_READONLY); +} + +static struct pxamci_platform_data palmte2_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .setpower = palmte2_mci_power, + .get_ro = palmte2_mci_get_ro, + .init = palmte2_mci_init, + .exit = palmte2_mci_exit, +}; + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +static struct gpio_keys_button palmte2_pxa_buttons[] = { + {KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" }, + {KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" }, + {KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" }, + {KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" }, + {KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" }, + {KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" }, + {KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" }, + {KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" }, + {KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" }, +}; + +static struct gpio_keys_platform_data palmte2_pxa_keys_data = { + .buttons = palmte2_pxa_buttons, + .nbuttons = ARRAY_SIZE(palmte2_pxa_buttons), +}; + +static struct platform_device palmte2_pxa_keys = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &palmte2_pxa_keys_data, + }, +}; + +/****************************************************************************** + * Backlight + ******************************************************************************/ +static struct platform_pwm_backlight_data palmte2_backlight_data = { + .pwm_id = 0, + .max_brightness = PALMTE2_MAX_INTENSITY, + .dft_brightness = PALMTE2_MAX_INTENSITY, + .pwm_period_ns = PALMTE2_PERIOD_NS, +}; + +static struct platform_device palmte2_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa25x_device_pwm0.dev, + .platform_data = &palmte2_backlight_data, + }, +}; + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +static struct pxafb_mode_info palmte2_lcd_modes[] = { +{ + .pixclock = 77757, + .xres = 320, + .yres = 320, + .bpp = 16, + + .left_margin = 28, + .right_margin = 7, + .upper_margin = 7, + .lower_margin = 5, + + .hsync_len = 4, + .vsync_len = 1, +}, +}; + +static struct pxafb_mach_info palmte2_lcd_screen = { + .modes = palmte2_lcd_modes, + .num_modes = ARRAY_SIZE(palmte2_lcd_modes), + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static struct platform_device *devices[] __initdata = { +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) + &palmte2_pxa_keys, +#endif + &palmte2_backlight, +}; + +static void __init palmte2_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config)); + + set_pxa_fb_info(&palmte2_lcd_screen); + pxa_set_mci_info(&palmte2_mci_platform_data); + pxa_set_ac97_info(NULL); + + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +MACHINE_START(PALMTE2, "Palm Tungsten|E2") + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .timer = &pxa_timer, + .init_machine = palmte2_init +MACHINE_END -- cgit v1.2.3 From 8c8aa5fa3060abc17e8a07d15f575485f6a0c0b8 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 24 Mar 2009 21:23:39 +0100 Subject: [ARM] pxa: PalmTE2 support for battery, UDC, IrDA and backlight Signed-off-by: Marek Vasut Signed-off-by: Eric Miao --- arch/arm/mach-pxa/include/mach/palmte2.h | 25 ++++ arch/arm/mach-pxa/palmte2.c | 188 +++++++++++++++++++++++++++++++ 2 files changed, 213 insertions(+) (limited to 'arch/arm/mach-pxa/palmte2.c') diff --git a/arch/arm/mach-pxa/include/mach/palmte2.h b/arch/arm/mach-pxa/include/mach/palmte2.h index 808ee7faf5ba..12361341f9d8 100644 --- a/arch/arm/mach-pxa/include/mach/palmte2.h +++ b/arch/arm/mach-pxa/include/mach/palmte2.h @@ -16,10 +16,26 @@ /** HERE ARE GPIOs **/ /* GPIOs */ +#define GPIO_NR_PALMTE2_POWER_DETECT 9 +#define GPIO_NR_PALMTE2_HOTSYNC_BUTTON_N 4 +#define GPIO_NR_PALMTE2_EARPHONE_DETECT 15 + +/* SD/MMC */ #define GPIO_NR_PALMTE2_SD_DETECT_N 10 #define GPIO_NR_PALMTE2_SD_POWER 55 #define GPIO_NR_PALMTE2_SD_READONLY 51 +/* IRDA - disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */ +#define GPIO_NR_PALMTE2_IR_DISABLE 48 + +/* USB */ +#define GPIO_NR_PALMTE2_USB_DETECT_N 35 +#define GPIO_NR_PALMTE2_USB_PULLUP 53 + +/* LCD/BACKLIGHT */ +#define GPIO_NR_PALMTE2_BL_POWER 56 +#define GPIO_NR_PALMTE2_LCD_POWER 37 + /* KEYS */ #define GPIO_NR_PALMTE2_KEY_NOTES 5 #define GPIO_NR_PALMTE2_KEY_TASKS 7 @@ -40,4 +56,13 @@ #define PALMTE2_PRESCALER 0x3F #define PALMTE2_PERIOD_NS 3500 +/* BATTERY */ +#define PALMTE2_BAT_MAX_VOLTAGE 4000 /* 4.00v current voltage */ +#define PALMTE2_BAT_MIN_VOLTAGE 3550 /* 3.55v critical voltage */ +#define PALMTE2_BAT_MAX_CURRENT 0 /* unknokn */ +#define PALMTE2_BAT_MIN_CURRENT 0 /* unknown */ +#define PALMTE2_BAT_MAX_CHARGE 1 /* unknown */ +#define PALMTE2_BAT_MIN_CHARGE 1 /* unknown */ +#define PALMTE2_MAX_LIFE_MINS 360 /* on-life in minutes */ + #endif diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c index e0dc655ae83a..43fcf2e86887 100644 --- a/arch/arm/mach-pxa/palmte2.c +++ b/arch/arm/mach-pxa/palmte2.c @@ -20,8 +20,11 @@ #include #include #include +#include #include #include +#include +#include #include #include @@ -32,6 +35,8 @@ #include #include #include +#include +#include #include "generic.h" #include "devices.h" @@ -56,6 +61,15 @@ static unsigned long palmte2_pin_config[] __initdata = { /* PWM */ GPIO16_PWM0_OUT, + /* USB */ + GPIO15_GPIO, /* usb detect */ + GPIO53_GPIO, /* usb power */ + + /* IrDA */ + GPIO48_GPIO, /* ir disable */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + /* LCD */ GPIO58_LCD_LDD_0, GPIO59_LCD_LDD_1, @@ -76,6 +90,7 @@ static unsigned long palmte2_pin_config[] __initdata = { GPIO74_LCD_FCLK, GPIO75_LCD_LCLK, GPIO76_LCD_PCLK, + GPIO77_LCD_BIAS, /* GPIO KEYS */ GPIO5_GPIO, /* notes */ @@ -90,6 +105,10 @@ static unsigned long palmte2_pin_config[] __initdata = { /* MISC */ GPIO1_RST, /* reset */ + GPIO4_GPIO, /* Hotsync button */ + GPIO9_GPIO, /* power detect */ + GPIO37_GPIO, /* LCD power */ + GPIO56_GPIO, /* Backlight power */ }; /****************************************************************************** @@ -205,11 +224,53 @@ static struct platform_device palmte2_pxa_keys = { /****************************************************************************** * Backlight ******************************************************************************/ +static int palmte2_backlight_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER"); + if (ret) + goto err; + ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0); + if (ret) + goto err2; + ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER"); + if (ret) + goto err2; + ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0); + if (ret) + goto err3; + + return 0; +err3: + gpio_free(GPIO_NR_PALMTE2_LCD_POWER); +err2: + gpio_free(GPIO_NR_PALMTE2_BL_POWER); +err: + return ret; +} + +static int palmte2_backlight_notify(int brightness) +{ + gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness); + gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness); + return brightness; +} + +static void palmte2_backlight_exit(struct device *dev) +{ + gpio_free(GPIO_NR_PALMTE2_BL_POWER); + gpio_free(GPIO_NR_PALMTE2_LCD_POWER); +} + static struct platform_pwm_backlight_data palmte2_backlight_data = { .pwm_id = 0, .max_brightness = PALMTE2_MAX_INTENSITY, .dft_brightness = PALMTE2_MAX_INTENSITY, .pwm_period_ns = PALMTE2_PERIOD_NS, + .init = palmte2_backlight_init, + .notify = palmte2_backlight_notify, + .exit = palmte2_backlight_exit, }; static struct platform_device palmte2_backlight = { @@ -220,6 +281,119 @@ static struct platform_device palmte2_backlight = { }, }; +/****************************************************************************** + * IrDA + ******************************************************************************/ +static int palmte2_irda_startup(struct device *dev) +{ + int err; + err = gpio_request(GPIO_NR_PALMTE2_IR_DISABLE, "IR DISABLE"); + if (err) + goto err; + err = gpio_direction_output(GPIO_NR_PALMTE2_IR_DISABLE, 1); + if (err) + gpio_free(GPIO_NR_PALMTE2_IR_DISABLE); +err: + return err; +} + +static void palmte2_irda_shutdown(struct device *dev) +{ + gpio_free(GPIO_NR_PALMTE2_IR_DISABLE); +} + +static void palmte2_irda_transceiver_mode(struct device *dev, int mode) +{ + gpio_set_value(GPIO_NR_PALMTE2_IR_DISABLE, mode & IR_OFF); + pxa2xx_transceiver_mode(dev, mode); +} + +static struct pxaficp_platform_data palmte2_ficp_platform_data = { + .startup = palmte2_irda_startup, + .shutdown = palmte2_irda_shutdown, + .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, + .transceiver_mode = palmte2_irda_transceiver_mode, +}; + +/****************************************************************************** + * UDC + ******************************************************************************/ +static struct pxa2xx_udc_mach_info palmte2_udc_info __initdata = { + .gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N, + .gpio_vbus_inverted = 1, + .gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP, + .gpio_pullup_inverted = 0, +}; + +/****************************************************************************** + * Power supply + ******************************************************************************/ +static int power_supply_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC"); + if (ret) + goto err1; + ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT); + if (ret) + goto err2; + + return 0; + +err2: + gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); +err1: + return ret; +} + +static int palmte2_is_ac_online(void) +{ + return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT); +} + +static void power_supply_exit(struct device *dev) +{ + gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); +} + +static char *palmte2_supplicants[] = { + "main-battery", +}; + +static struct pda_power_pdata power_supply_info = { + .init = power_supply_init, + .is_ac_online = palmte2_is_ac_online, + .exit = power_supply_exit, + .supplied_to = palmte2_supplicants, + .num_supplicants = ARRAY_SIZE(palmte2_supplicants), +}; + +static struct platform_device power_supply = { + .name = "pda-power", + .id = -1, + .dev = { + .platform_data = &power_supply_info, + }, +}; + +/****************************************************************************** + * WM97xx battery + ******************************************************************************/ +static struct wm97xx_batt_info wm97xx_batt_pdata = { + .batt_aux = WM97XX_AUX_ID3, + .temp_aux = WM97XX_AUX_ID2, + .charge_gpio = -1, + .max_voltage = PALMTE2_BAT_MAX_VOLTAGE, + .min_voltage = PALMTE2_BAT_MIN_VOLTAGE, + .batt_mult = 1000, + .batt_div = 414, + .temp_mult = 1, + .temp_div = 1, + .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, + .batt_name = "main-batt", +}; + /****************************************************************************** * Framebuffer ******************************************************************************/ @@ -254,15 +428,29 @@ static struct platform_device *devices[] __initdata = { &palmte2_pxa_keys, #endif &palmte2_backlight, + &power_supply, }; +/* setup udc GPIOs initial state */ +static void __init palmte2_udc_init(void) +{ + if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) { + gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1); + gpio_free(GPIO_NR_PALMTE2_USB_PULLUP); + } +} + static void __init palmte2_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config)); set_pxa_fb_info(&palmte2_lcd_screen); pxa_set_mci_info(&palmte2_mci_platform_data); + palmte2_udc_init(); + pxa_set_udc_info(&palmte2_udc_info); pxa_set_ac97_info(NULL); + pxa_set_ficp_info(&palmte2_ficp_platform_data); + wm97xx_bat_set_pdata(&wm97xx_batt_pdata); platform_add_devices(devices, ARRAY_SIZE(devices)); } -- cgit v1.2.3