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319 lines
7.7 KiB
319 lines
7.7 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Hardware definitions for Palm Zire72 |
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* |
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* Authors: |
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* Vladimir "Farcaller" Pouzanov <[email protected]> |
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* Sergey Lapin <[email protected]> |
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* Alex Osborne <[email protected]> |
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* Jan Herman <[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/syscore_ops.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/input.h> |
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#include <linux/pda_power.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 <linux/platform_data/i2c-gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <asm/mach-types.h> |
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#include <asm/suspend.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/map.h> |
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#include "pxa27x.h" |
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#include <mach/audio.h> |
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#include "palmz72.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 <linux/platform_data/keypad-pxa27x.h> |
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#include "udc.h" |
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#include <linux/platform_data/asoc-palm27x.h> |
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#include "palm27x.h" |
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#include "pm.h" |
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#include <linux/platform_data/media/camera-pxa.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 palmz72_pin_config[] __initdata = { |
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/* MMC */ |
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GPIO32_MMC_CLK, |
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GPIO92_MMC_DAT_0, |
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GPIO109_MMC_DAT_1, |
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GPIO110_MMC_DAT_2, |
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GPIO111_MMC_DAT_3, |
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GPIO112_MMC_CMD, |
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GPIO14_GPIO, /* SD detect */ |
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GPIO115_GPIO, /* SD RO */ |
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GPIO98_GPIO, /* SD power */ |
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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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GPIO89_AC97_SYSCLK, |
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GPIO113_AC97_nRESET, |
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/* IrDA */ |
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GPIO49_GPIO, /* ir disable */ |
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GPIO46_FICP_RXD, |
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GPIO47_FICP_TXD, |
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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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GPIO95_GPIO, /* usb pullup */ |
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/* Matrix keypad */ |
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO103_KP_MKOUT_0, |
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GPIO104_KP_MKOUT_1, |
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GPIO105_KP_MKOUT_2, |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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GPIO20_GPIO, /* bl power */ |
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GPIO21_GPIO, /* LCD border switch */ |
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GPIO22_GPIO, /* LCD border color */ |
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GPIO96_GPIO, /* lcd power */ |
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/* PXA Camera */ |
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GPIO81_CIF_DD_0, |
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GPIO48_CIF_DD_5, |
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GPIO50_CIF_DD_3, |
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GPIO51_CIF_DD_2, |
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GPIO52_CIF_DD_4, |
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GPIO53_CIF_MCLK, |
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GPIO54_CIF_PCLK, |
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GPIO55_CIF_DD_1, |
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GPIO84_CIF_FV, |
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GPIO85_CIF_LV, |
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GPIO93_CIF_DD_6, |
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GPIO108_CIF_DD_7, |
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GPIO56_GPIO, /* OV9640 Powerdown */ |
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GPIO57_GPIO, /* OV9640 Reset */ |
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GPIO91_GPIO, /* OV9640 Power */ |
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/* I2C */ |
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GPIO117_GPIO, /* I2C_SCL */ |
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GPIO118_GPIO, /* I2C_SDA */ |
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/* Misc. */ |
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GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */ |
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GPIO88_GPIO, /* green led */ |
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GPIO27_GPIO, /* WM9712 IRQ */ |
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}; |
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/****************************************************************************** |
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* GPIO keyboard |
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******************************************************************************/ |
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#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
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static const unsigned int palmz72_matrix_keys[] = { |
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KEY(0, 0, KEY_POWER), |
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KEY(0, 1, KEY_F1), |
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KEY(0, 2, KEY_ENTER), |
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KEY(1, 0, KEY_F2), |
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KEY(1, 1, KEY_F3), |
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KEY(1, 2, KEY_F4), |
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KEY(2, 0, KEY_UP), |
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KEY(2, 2, KEY_DOWN), |
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KEY(3, 0, KEY_RIGHT), |
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KEY(3, 2, KEY_LEFT), |
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}; |
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static struct matrix_keymap_data almz72_matrix_keymap_data = { |
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.keymap = palmz72_matrix_keys, |
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.keymap_size = ARRAY_SIZE(palmz72_matrix_keys), |
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}; |
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static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = { |
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.matrix_key_rows = 4, |
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.matrix_key_cols = 3, |
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.matrix_keymap_data = &almz72_matrix_keymap_data, |
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.debounce_interval = 30, |
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}; |
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static void __init palmz72_kpc_init(void) |
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{ |
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pxa_set_keypad_info(&palmz72_keypad_platform_data); |
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} |
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#else |
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static inline void palmz72_kpc_init(void) {} |
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#endif |
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/****************************************************************************** |
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* LEDs |
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******************************************************************************/ |
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
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static struct gpio_led gpio_leds[] = { |
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{ |
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.name = "palmz72:green:led", |
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.default_trigger = "none", |
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.gpio = GPIO_NR_PALMZ72_LED_GREEN, |
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}, |
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}; |
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static struct gpio_led_platform_data gpio_led_info = { |
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.leds = gpio_leds, |
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.num_leds = ARRAY_SIZE(gpio_leds), |
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}; |
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static struct platform_device palmz72_leds = { |
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.name = "leds-gpio", |
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.id = -1, |
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.dev = { |
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.platform_data = &gpio_led_info, |
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} |
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}; |
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static void __init palmz72_leds_init(void) |
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{ |
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platform_device_register(&palmz72_leds); |
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} |
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#else |
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static inline void palmz72_leds_init(void) {} |
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#endif |
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#ifdef CONFIG_PM |
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/* We have some black magic here |
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* PalmOS ROM on recover expects special struct physical address |
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* to be transferred via PSPR. Using this struct PalmOS restores |
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* its state after sleep. As for Linux, we need to setup it the |
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* same way. More than that, PalmOS ROM changes some values in memory. |
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* For now only one location is found, which needs special treatment. |
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* Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people |
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* for reading backtraces for me :) |
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*/ |
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#define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050) |
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static struct palmz72_resume_info palmz72_resume_info = { |
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.magic0 = 0xb4e6, |
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.magic1 = 1, |
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/* reset state, MMU off etc */ |
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.arm_control = 0, |
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.aux_control = 0, |
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.ttb = 0, |
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.domain_access = 0, |
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.process_id = 0, |
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}; |
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static unsigned long store_ptr; |
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/* syscore_ops for Palm Zire 72 PM */ |
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static int palmz72_pm_suspend(void) |
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{ |
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/* setup the resume_info struct for the original bootloader */ |
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palmz72_resume_info.resume_addr = (u32) cpu_resume; |
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/* Storing memory touched by ROM */ |
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store_ptr = *PALMZ72_SAVE_DWORD; |
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/* Setting PSPR to a proper value */ |
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PSPR = __pa_symbol(&palmz72_resume_info); |
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return 0; |
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} |
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static void palmz72_pm_resume(void) |
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{ |
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*PALMZ72_SAVE_DWORD = store_ptr; |
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} |
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static struct syscore_ops palmz72_pm_syscore_ops = { |
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.suspend = palmz72_pm_suspend, |
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.resume = palmz72_pm_resume, |
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}; |
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static int __init palmz72_pm_init(void) |
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{ |
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if (machine_is_palmz72()) { |
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register_syscore_ops(&palmz72_pm_syscore_ops); |
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return 0; |
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} |
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return -ENODEV; |
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} |
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device_initcall(palmz72_pm_init); |
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#endif |
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static struct gpiod_lookup_table palmz72_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_PALMZ72_SD_DETECT_N, |
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"cd", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_RO, |
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"wp", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_POWER_N, |
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"power", GPIO_ACTIVE_LOW), |
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{ }, |
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}, |
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}; |
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/****************************************************************************** |
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* Machine init |
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******************************************************************************/ |
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static void __init palmz72_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_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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palm27x_mmc_init(&palmz72_mci_gpio_table); |
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palm27x_lcd_init(-1, &palm_320x320_lcd_mode); |
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palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N, |
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GPIO_NR_PALMZ72_USB_PULLUP, 0); |
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palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE); |
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palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE, |
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-1, 113); |
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palm27x_pwm_init(-1, -1); |
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palm27x_power_init(-1, -1); |
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palm27x_pmic_init(); |
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palmz72_kpc_init(); |
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palmz72_leds_init(); |
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} |
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MACHINE_START(PALMZ72, "Palm Zire72") |
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.atag_offset = 0x100, |
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.map_io = pxa27x_map_io, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa27x_init_irq, |
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.handle_irq = pxa27x_handle_irq, |
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.init_time = pxa_timer_init, |
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.init_machine = palmz72_init, |
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.restart = pxa_restart, |
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MACHINE_END
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