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383 lines
10 KiB
383 lines
10 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Hardware definitions for Palm Tungsten|E2 |
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* |
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* Author: |
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* Carlos Eduardo Medaglia Dyonisio <[email protected]> |
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* |
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* Rewrite for mainline: |
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* Marek Vasut <[email protected]> |
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* |
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* (find more info at www.hackndev.com) |
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*/ |
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#include <linux/platform_device.h> |
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#include <linux/delay.h> |
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#include <linux/irq.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/input.h> |
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#include <linux/pda_power.h> |
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#include <linux/pwm.h> |
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#include <linux/pwm_backlight.h> |
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#include <linux/gpio.h> |
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#include <linux/wm97xx.h> |
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#include <linux/power_supply.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/map.h> |
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#include "pxa25x.h" |
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#include <mach/audio.h> |
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#include "palmte2.h" |
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#include <linux/platform_data/mmc-pxamci.h> |
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#include <linux/platform_data/video-pxafb.h> |
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#include <linux/platform_data/irda-pxaficp.h> |
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#include "udc.h" |
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#include <linux/platform_data/asoc-palm27x.h> |
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#include "generic.h" |
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#include "devices.h" |
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/****************************************************************************** |
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* Pin configuration |
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******************************************************************************/ |
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static unsigned long palmte2_pin_config[] __initdata = { |
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/* MMC */ |
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GPIO6_MMC_CLK, |
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GPIO8_MMC_CS0, |
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GPIO10_GPIO, /* SD detect */ |
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GPIO55_GPIO, /* SD power */ |
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GPIO51_GPIO, /* SD r/o switch */ |
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/* AC97 */ |
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GPIO28_AC97_BITCLK, |
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GPIO29_AC97_SDATA_IN_0, |
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GPIO30_AC97_SDATA_OUT, |
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GPIO31_AC97_SYNC, |
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/* PWM */ |
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GPIO16_PWM0_OUT, |
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/* USB */ |
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GPIO15_GPIO, /* usb detect */ |
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GPIO53_GPIO, /* usb power */ |
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/* IrDA */ |
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GPIO48_GPIO, /* ir disable */ |
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GPIO46_FICP_RXD, |
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GPIO47_FICP_TXD, |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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/* GPIO KEYS */ |
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GPIO5_GPIO, /* notes */ |
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GPIO7_GPIO, /* tasks */ |
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GPIO11_GPIO, /* calendar */ |
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GPIO13_GPIO, /* contacts */ |
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GPIO14_GPIO, /* center */ |
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GPIO19_GPIO, /* left */ |
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GPIO20_GPIO, /* right */ |
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GPIO21_GPIO, /* down */ |
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GPIO22_GPIO, /* up */ |
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/* MISC */ |
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GPIO1_RST, /* reset */ |
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GPIO4_GPIO, /* Hotsync button */ |
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GPIO9_GPIO, /* power detect */ |
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GPIO15_GPIO, /* earphone detect */ |
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GPIO37_GPIO, /* LCD power */ |
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GPIO56_GPIO, /* Backlight power */ |
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}; |
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/****************************************************************************** |
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* SD/MMC card controller |
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******************************************************************************/ |
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static struct pxamci_platform_data palmte2_mci_platform_data = { |
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
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}; |
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static struct gpiod_lookup_table palmte2_mci_gpio_table = { |
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.dev_id = "pxa2xx-mci.0", |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTE2_SD_DETECT_N, |
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"cd", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTE2_SD_READONLY, |
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"wp", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTE2_SD_POWER, |
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"power", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
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/****************************************************************************** |
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* GPIO keys |
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******************************************************************************/ |
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static struct gpio_keys_button palmte2_pxa_buttons[] = { |
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{KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" }, |
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{KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" }, |
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{KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" }, |
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{KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" }, |
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{KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" }, |
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{KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" }, |
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{KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" }, |
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{KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" }, |
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{KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" }, |
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}; |
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static struct gpio_keys_platform_data palmte2_pxa_keys_data = { |
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.buttons = palmte2_pxa_buttons, |
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.nbuttons = ARRAY_SIZE(palmte2_pxa_buttons), |
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}; |
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static struct platform_device palmte2_pxa_keys = { |
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.name = "gpio-keys", |
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.id = -1, |
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.dev = { |
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.platform_data = &palmte2_pxa_keys_data, |
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}, |
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}; |
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#endif |
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/****************************************************************************** |
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* Backlight |
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******************************************************************************/ |
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static struct pwm_lookup palmte2_pwm_lookup[] = { |
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PWM_LOOKUP("pxa25x-pwm.0", 0, "pwm-backlight.0", NULL, |
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PALMTE2_PERIOD_NS, PWM_POLARITY_NORMAL), |
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}; |
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static struct gpio palmte_bl_gpios[] = { |
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{ GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" }, |
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{ GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" }, |
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}; |
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static int palmte2_backlight_init(struct device *dev) |
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{ |
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return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios)); |
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} |
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static int palmte2_backlight_notify(struct device *dev, int brightness) |
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{ |
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gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness); |
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gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness); |
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return brightness; |
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} |
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static void palmte2_backlight_exit(struct device *dev) |
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{ |
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gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios)); |
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} |
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static struct platform_pwm_backlight_data palmte2_backlight_data = { |
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.max_brightness = PALMTE2_MAX_INTENSITY, |
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.dft_brightness = PALMTE2_MAX_INTENSITY, |
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.init = palmte2_backlight_init, |
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.notify = palmte2_backlight_notify, |
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.exit = palmte2_backlight_exit, |
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}; |
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static struct platform_device palmte2_backlight = { |
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.name = "pwm-backlight", |
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.dev = { |
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.parent = &pxa25x_device_pwm0.dev, |
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.platform_data = &palmte2_backlight_data, |
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}, |
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}; |
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/****************************************************************************** |
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* IrDA |
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******************************************************************************/ |
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static struct pxaficp_platform_data palmte2_ficp_platform_data = { |
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.gpio_pwdown = GPIO_NR_PALMTE2_IR_DISABLE, |
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.transceiver_cap = IR_SIRMODE | IR_OFF, |
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}; |
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/****************************************************************************** |
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* UDC |
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******************************************************************************/ |
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static struct gpiod_lookup_table palmte2_udc_gpiod_table = { |
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.dev_id = "gpio-vbus", |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTE2_USB_DETECT_N, |
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"vbus", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTE2_USB_PULLUP, |
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"pullup", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static struct platform_device palmte2_gpio_vbus = { |
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.name = "gpio-vbus", |
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.id = -1, |
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}; |
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/****************************************************************************** |
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* Power supply |
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******************************************************************************/ |
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static int power_supply_init(struct device *dev) |
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{ |
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int ret; |
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ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC"); |
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if (ret) |
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goto err1; |
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ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT); |
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if (ret) |
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goto err2; |
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return 0; |
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err2: |
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gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); |
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err1: |
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return ret; |
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} |
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static int palmte2_is_ac_online(void) |
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{ |
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return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT); |
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} |
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static void power_supply_exit(struct device *dev) |
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{ |
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gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); |
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} |
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static char *palmte2_supplicants[] = { |
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"main-battery", |
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}; |
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static struct pda_power_pdata power_supply_info = { |
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.init = power_supply_init, |
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.is_ac_online = palmte2_is_ac_online, |
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.exit = power_supply_exit, |
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.supplied_to = palmte2_supplicants, |
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.num_supplicants = ARRAY_SIZE(palmte2_supplicants), |
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}; |
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static struct platform_device power_supply = { |
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.name = "pda-power", |
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.id = -1, |
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.dev = { |
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.platform_data = &power_supply_info, |
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}, |
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}; |
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/****************************************************************************** |
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* WM97xx audio, battery |
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******************************************************************************/ |
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static struct wm97xx_batt_pdata palmte2_batt_pdata = { |
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.batt_aux = WM97XX_AUX_ID3, |
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.temp_aux = WM97XX_AUX_ID2, |
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.max_voltage = PALMTE2_BAT_MAX_VOLTAGE, |
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.min_voltage = PALMTE2_BAT_MIN_VOLTAGE, |
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.batt_mult = 1000, |
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.batt_div = 414, |
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.temp_mult = 1, |
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.temp_div = 1, |
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.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, |
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.batt_name = "main-batt", |
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}; |
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static struct wm97xx_pdata palmte2_wm97xx_pdata = { |
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.batt_pdata = &palmte2_batt_pdata, |
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}; |
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static pxa2xx_audio_ops_t palmte2_ac97_pdata = { |
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.codec_pdata = { &palmte2_wm97xx_pdata, }, |
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}; |
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static struct palm27x_asoc_info palmte2_asoc_pdata = { |
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.jack_gpio = GPIO_NR_PALMTE2_EARPHONE_DETECT, |
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}; |
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static struct platform_device palmte2_asoc = { |
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.name = "palm27x-asoc", |
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.id = -1, |
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.dev = { |
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.platform_data = &palmte2_asoc_pdata, |
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}, |
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}; |
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/****************************************************************************** |
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* Framebuffer |
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******************************************************************************/ |
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static struct pxafb_mode_info palmte2_lcd_modes[] = { |
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{ |
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.pixclock = 77757, |
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.xres = 320, |
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.yres = 320, |
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.bpp = 16, |
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.left_margin = 28, |
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.right_margin = 7, |
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.upper_margin = 7, |
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.lower_margin = 5, |
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.hsync_len = 4, |
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.vsync_len = 1, |
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}, |
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}; |
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static struct pxafb_mach_info palmte2_lcd_screen = { |
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.modes = palmte2_lcd_modes, |
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.num_modes = ARRAY_SIZE(palmte2_lcd_modes), |
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
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}; |
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/****************************************************************************** |
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* Machine init |
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******************************************************************************/ |
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static struct platform_device *devices[] __initdata = { |
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
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&palmte2_pxa_keys, |
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#endif |
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&palmte2_backlight, |
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&power_supply, |
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&palmte2_asoc, |
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&palmte2_gpio_vbus, |
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}; |
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/* setup udc GPIOs initial state */ |
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static void __init palmte2_udc_init(void) |
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{ |
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if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) { |
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gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1); |
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gpio_free(GPIO_NR_PALMTE2_USB_PULLUP); |
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} |
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} |
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static void __init palmte2_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config)); |
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pxa_set_ffuart_info(NULL); |
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pxa_set_btuart_info(NULL); |
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pxa_set_stuart_info(NULL); |
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pxa_set_fb_info(NULL, &palmte2_lcd_screen); |
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gpiod_add_lookup_table(&palmte2_mci_gpio_table); |
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pxa_set_mci_info(&palmte2_mci_platform_data); |
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palmte2_udc_init(); |
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pxa_set_ac97_info(&palmte2_ac97_pdata); |
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pxa_set_ficp_info(&palmte2_ficp_platform_data); |
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pwm_add_table(palmte2_pwm_lookup, ARRAY_SIZE(palmte2_pwm_lookup)); |
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gpiod_add_lookup_table(&palmte2_udc_gpiod_table); |
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platform_add_devices(devices, ARRAY_SIZE(devices)); |
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} |
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MACHINE_START(PALMTE2, "Palm Tungsten|E2") |
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.atag_offset = 0x100, |
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.map_io = pxa25x_map_io, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa25x_init_irq, |
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.handle_irq = pxa25x_handle_irq, |
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.init_time = pxa_timer_init, |
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.init_machine = palmte2_init, |
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.restart = pxa_restart, |
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MACHINE_END
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