palmt5.c (6129B)
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Hardware definitions for Palm Tungsten|T5 4 * 5 * Author: Marek Vasut <marek.vasut@gmail.com> 6 * 7 * Based on work of: 8 * Ales Snuparek <snuparek@atlas.cz> 9 * Justin Kendrick <twilightsentry@gmail.com> 10 * RichardT5 <richard_t5@users.sourceforge.net> 11 * 12 * (find more info at www.hackndev.com) 13 */ 14 15#include <linux/platform_device.h> 16#include <linux/delay.h> 17#include <linux/irq.h> 18#include <linux/gpio_keys.h> 19#include <linux/input.h> 20#include <linux/memblock.h> 21#include <linux/pda_power.h> 22#include <linux/pwm_backlight.h> 23#include <linux/gpio.h> 24#include <linux/wm97xx.h> 25#include <linux/power_supply.h> 26 27#include <asm/mach-types.h> 28#include <asm/mach/arch.h> 29#include <asm/mach/map.h> 30 31#include "pxa27x.h" 32#include <linux/platform_data/asoc-pxa.h> 33#include "palmt5.h" 34#include <linux/platform_data/mmc-pxamci.h> 35#include <linux/platform_data/video-pxafb.h> 36#include <linux/platform_data/irda-pxaficp.h> 37#include <linux/platform_data/keypad-pxa27x.h> 38#include "udc.h" 39#include <linux/platform_data/asoc-palm27x.h> 40#include "palm27x.h" 41 42#include "generic.h" 43#include "devices.h" 44 45/****************************************************************************** 46 * Pin configuration 47 ******************************************************************************/ 48static unsigned long palmt5_pin_config[] __initdata = { 49 /* MMC */ 50 GPIO32_MMC_CLK, 51 GPIO92_MMC_DAT_0, 52 GPIO109_MMC_DAT_1, 53 GPIO110_MMC_DAT_2, 54 GPIO111_MMC_DAT_3, 55 GPIO112_MMC_CMD, 56 GPIO14_GPIO, /* SD detect */ 57 GPIO114_GPIO, /* SD power */ 58 GPIO115_GPIO, /* SD r/o switch */ 59 60 /* AC97 */ 61 GPIO28_AC97_BITCLK, 62 GPIO29_AC97_SDATA_IN_0, 63 GPIO30_AC97_SDATA_OUT, 64 GPIO31_AC97_SYNC, 65 GPIO89_AC97_SYSCLK, 66 GPIO95_AC97_nRESET, 67 68 /* IrDA */ 69 GPIO40_GPIO, /* ir disable */ 70 GPIO46_FICP_RXD, 71 GPIO47_FICP_TXD, 72 73 /* USB */ 74 GPIO15_GPIO, /* usb detect */ 75 GPIO93_GPIO, /* usb power */ 76 77 /* MATRIX KEYPAD */ 78 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, 79 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, 80 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, 81 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, 82 GPIO103_KP_MKOUT_0, 83 GPIO104_KP_MKOUT_1, 84 GPIO105_KP_MKOUT_2, 85 86 /* LCD */ 87 GPIOxx_LCD_TFT_16BPP, 88 89 /* PWM */ 90 GPIO16_PWM0_OUT, 91 92 /* FFUART */ 93 GPIO34_FFUART_RXD, 94 GPIO39_FFUART_TXD, 95 96 /* MISC */ 97 GPIO10_GPIO, /* hotsync button */ 98 GPIO90_GPIO, /* power detect */ 99 GPIO107_GPIO, /* earphone detect */ 100}; 101 102/****************************************************************************** 103 * GPIO keyboard 104 ******************************************************************************/ 105#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) 106static const unsigned int palmt5_matrix_keys[] = { 107 KEY(0, 0, KEY_POWER), 108 KEY(0, 1, KEY_F1), 109 KEY(0, 2, KEY_ENTER), 110 111 KEY(1, 0, KEY_F2), 112 KEY(1, 1, KEY_F3), 113 KEY(1, 2, KEY_F4), 114 115 KEY(2, 0, KEY_UP), 116 KEY(2, 2, KEY_DOWN), 117 118 KEY(3, 0, KEY_RIGHT), 119 KEY(3, 2, KEY_LEFT), 120}; 121 122static struct matrix_keymap_data palmt5_matrix_keymap_data = { 123 .keymap = palmt5_matrix_keys, 124 .keymap_size = ARRAY_SIZE(palmt5_matrix_keys), 125}; 126 127static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = { 128 .matrix_key_rows = 4, 129 .matrix_key_cols = 3, 130 .matrix_keymap_data = &palmt5_matrix_keymap_data, 131 132 .debounce_interval = 30, 133}; 134 135static void __init palmt5_kpc_init(void) 136{ 137 pxa_set_keypad_info(&palmt5_keypad_platform_data); 138} 139#else 140static inline void palmt5_kpc_init(void) {} 141#endif 142 143/****************************************************************************** 144 * GPIO keys 145 ******************************************************************************/ 146#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) 147static struct gpio_keys_button palmt5_pxa_buttons[] = { 148 {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, 149}; 150 151static struct gpio_keys_platform_data palmt5_pxa_keys_data = { 152 .buttons = palmt5_pxa_buttons, 153 .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons), 154}; 155 156static struct platform_device palmt5_pxa_keys = { 157 .name = "gpio-keys", 158 .id = -1, 159 .dev = { 160 .platform_data = &palmt5_pxa_keys_data, 161 }, 162}; 163 164static void __init palmt5_keys_init(void) 165{ 166 platform_device_register(&palmt5_pxa_keys); 167} 168#else 169static inline void palmt5_keys_init(void) {} 170#endif 171 172/****************************************************************************** 173 * Machine init 174 ******************************************************************************/ 175static void __init palmt5_reserve(void) 176{ 177 memblock_reserve(0xa0200000, 0x1000); 178} 179 180static struct gpiod_lookup_table palmt5_mci_gpio_table = { 181 .dev_id = "pxa2xx-mci.0", 182 .table = { 183 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N, 184 "cd", GPIO_ACTIVE_LOW), 185 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY, 186 "wp", GPIO_ACTIVE_LOW), 187 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER, 188 "power", GPIO_ACTIVE_HIGH), 189 { }, 190 }, 191}; 192 193static struct gpiod_lookup_table palmt5_wm97xx_touch_gpio_table = { 194 .dev_id = "wm97xx-touch", 195 .table = { 196 GPIO_LOOKUP("gpio-pxa", 27, "touch", GPIO_ACTIVE_HIGH), 197 { }, 198 }, 199}; 200 201static void __init palmt5_init(void) 202{ 203 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config)); 204 pxa_set_ffuart_info(NULL); 205 pxa_set_btuart_info(NULL); 206 pxa_set_stuart_info(NULL); 207 208 palm27x_mmc_init(&palmt5_mci_gpio_table); 209 gpiod_add_lookup_table(&palmt5_wm97xx_touch_gpio_table); 210 palm27x_pm_init(PALMT5_STR_BASE); 211 palm27x_lcd_init(-1, &palm_320x480_lcd_mode); 212 palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N, 213 GPIO_NR_PALMT5_USB_PULLUP, 1); 214 palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE); 215 palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE, 216 GPIO_NR_PALMT5_EARPHONE_DETECT, 95); 217 palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER); 218 palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1); 219 palm27x_pmic_init(); 220 palmt5_kpc_init(); 221 palmt5_keys_init(); 222} 223 224MACHINE_START(PALMT5, "Palm Tungsten|T5") 225 .atag_offset = 0x100, 226 .map_io = pxa27x_map_io, 227 .reserve = palmt5_reserve, 228 .nr_irqs = PXA_NR_IRQS, 229 .init_irq = pxa27x_init_irq, 230 .handle_irq = pxa27x_handle_irq, 231 .init_time = pxa_timer_init, 232 .init_machine = palmt5_init, 233 .restart = pxa_restart, 234MACHINE_END