arm/mach-pxa/palmld.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Hardware definitions for Palm LifeDrive
0004  *
0005  * Author:     Marek Vasut <marek.vasut@gmail.com>
0006  *
0007  * Based on work of:
0008  *      Alex Osborne <ato@meshy.org>
0009  *
0010  * (find more info at www.hackndev.com)
0011  */
0012
0013 #include <linux/platform_device.h>
0014 #include <linux/delay.h>
0015 #include <linux/irq.h>
0016 #include <linux/gpio_keys.h>
0017 #include <linux/input.h>
0018 #include <linux/pda_power.h>
0019 #include <linux/pwm_backlight.h>
0020 #include <linux/gpio.h>
0021 #include <linux/wm97xx.h>
0022 #include <linux/power_supply.h>
0023 #include <linux/mtd/mtd.h>
0024 #include <linux/mtd/partitions.h>
0025 #include <linux/mtd/physmap.h>
0026
0027 #include <asm/mach-types.h>
0028 #include <asm/mach/arch.h>
0029 #include <asm/mach/map.h>
0030
0031 #include "pxa27x.h"
0032 #include "palmld.h"
0033 #include <linux/platform_data/asoc-pxa.h>
0034 #include <linux/platform_data/mmc-pxamci.h>
0035 #include <linux/platform_data/video-pxafb.h>
0036 #include <linux/platform_data/irda-pxaficp.h>
0037 #include <linux/platform_data/keypad-pxa27x.h>
0038 #include <linux/platform_data/asoc-palm27x.h>
0039 #include "palm27x.h"
0040
0041 #include "generic.h"
0042 #include "devices.h"
0043
0044 /******************************************************************************
0045  * Pin configuration
0046  ******************************************************************************/
0047 static unsigned long palmld_pin_config[] __initdata = {
0048     /* MMC */
0049     GPIO32_MMC_CLK,
0050     GPIO92_MMC_DAT_0,
0051     GPIO109_MMC_DAT_1,
0052     GPIO110_MMC_DAT_2,
0053     GPIO111_MMC_DAT_3,
0054     GPIO112_MMC_CMD,
0055     GPIO14_GPIO,    /* SD detect */
0056     GPIO114_GPIO,   /* SD power */
0057     GPIO116_GPIO,   /* SD r/o switch */
0058
0059     /* AC97 */
0060     GPIO28_AC97_BITCLK,
0061     GPIO29_AC97_SDATA_IN_0,
0062     GPIO30_AC97_SDATA_OUT,
0063     GPIO31_AC97_SYNC,
0064     GPIO89_AC97_SYSCLK,
0065     GPIO95_AC97_nRESET,
0066
0067     /* IrDA */
0068     GPIO108_GPIO,   /* ir disable */
0069     GPIO46_FICP_RXD,
0070     GPIO47_FICP_TXD,
0071
0072     /* MATRIX KEYPAD */
0073     GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
0074     GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
0075     GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
0076     GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
0077     GPIO103_KP_MKOUT_0,
0078     GPIO104_KP_MKOUT_1,
0079     GPIO105_KP_MKOUT_2,
0080
0081     /* LCD */
0082     GPIOxx_LCD_TFT_16BPP,
0083
0084     /* PWM */
0085     GPIO16_PWM0_OUT,
0086
0087     /* GPIO KEYS */
0088     GPIO10_GPIO,    /* hotsync button */
0089     GPIO12_GPIO,    /* power switch */
0090     GPIO15_GPIO,    /* lock switch */
0091
0092     /* LEDs */
0093     GPIO52_GPIO,    /* green led */
0094     GPIO94_GPIO,    /* orange led */
0095
0096     /* PCMCIA */
0097     GPIO48_nPOE,
0098     GPIO49_nPWE,
0099     GPIO50_nPIOR,
0100     GPIO51_nPIOW,
0101     GPIO85_nPCE_1,
0102     GPIO54_nPCE_2,
0103     GPIO79_PSKTSEL,
0104     GPIO55_nPREG,
0105     GPIO56_nPWAIT,
0106     GPIO57_nIOIS16,
0107     GPIO36_GPIO,    /* wifi power */
0108     GPIO38_GPIO,    /* wifi ready */
0109     GPIO81_GPIO,    /* wifi reset */
0110
0111     /* FFUART */
0112     GPIO34_FFUART_RXD,
0113     GPIO39_FFUART_TXD,
0114
0115     /* HDD */
0116     GPIO98_GPIO,    /* HDD reset */
0117     GPIO115_GPIO,   /* HDD power */
0118
0119     /* MISC */
0120     GPIO13_GPIO,    /* earphone detect */
0121 };
0122
0123 /******************************************************************************
0124  * NOR Flash
0125  ******************************************************************************/
0126 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
0127 static struct mtd_partition palmld_partitions[] = {
0128     {
0129         .name       = "Flash",
0130         .offset     = 0x00000000,
0131         .size       = MTDPART_SIZ_FULL,
0132         .mask_flags = 0
0133     }
0134 };
0135
0136 static struct physmap_flash_data palmld_flash_data[] = {
0137     {
0138         .width      = 2,            /* bankwidth in bytes */
0139         .parts      = palmld_partitions,
0140         .nr_parts   = ARRAY_SIZE(palmld_partitions)
0141     }
0142 };
0143
0144 static struct resource palmld_flash_resource = {
0145     .start  = PXA_CS0_PHYS,
0146     .end    = PXA_CS0_PHYS + SZ_4M - 1,
0147     .flags  = IORESOURCE_MEM,
0148 };
0149
0150 static struct platform_device palmld_flash = {
0151     .name       = "physmap-flash",
0152     .id     = 0,
0153     .resource   = &palmld_flash_resource,
0154     .num_resources  = 1,
0155     .dev        = {
0156         .platform_data = palmld_flash_data,
0157     },
0158 };
0159
0160 static void __init palmld_nor_init(void)
0161 {
0162     platform_device_register(&palmld_flash);
0163 }
0164 #else
0165 static inline void palmld_nor_init(void) {}
0166 #endif
0167
0168 /******************************************************************************
0169  * GPIO keyboard
0170  ******************************************************************************/
0171 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
0172 static const unsigned int palmld_matrix_keys[] = {
0173     KEY(0, 1, KEY_F2),
0174     KEY(0, 2, KEY_UP),
0175
0176     KEY(1, 0, KEY_F3),
0177     KEY(1, 1, KEY_F4),
0178     KEY(1, 2, KEY_RIGHT),
0179
0180     KEY(2, 0, KEY_F1),
0181     KEY(2, 1, KEY_F5),
0182     KEY(2, 2, KEY_DOWN),
0183
0184     KEY(3, 0, KEY_F6),
0185     KEY(3, 1, KEY_ENTER),
0186     KEY(3, 2, KEY_LEFT),
0187 };
0188
0189 static struct matrix_keymap_data palmld_matrix_keymap_data = {
0190     .keymap         = palmld_matrix_keys,
0191     .keymap_size        = ARRAY_SIZE(palmld_matrix_keys),
0192 };
0193
0194 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
0195     .matrix_key_rows    = 4,
0196     .matrix_key_cols    = 3,
0197     .matrix_keymap_data = &palmld_matrix_keymap_data,
0198
0199     .debounce_interval  = 30,
0200 };
0201
0202 static void __init palmld_kpc_init(void)
0203 {
0204     pxa_set_keypad_info(&palmld_keypad_platform_data);
0205 }
0206 #else
0207 static inline void palmld_kpc_init(void) {}
0208 #endif
0209
0210 /******************************************************************************
0211  * GPIO keys
0212  ******************************************************************************/
0213 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
0214 static struct gpio_keys_button palmld_pxa_buttons[] = {
0215     {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
0216     {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
0217     {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
0218 };
0219
0220 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
0221     .buttons    = palmld_pxa_buttons,
0222     .nbuttons   = ARRAY_SIZE(palmld_pxa_buttons),
0223 };
0224
0225 static struct platform_device palmld_pxa_keys = {
0226     .name   = "gpio-keys",
0227     .id = -1,
0228     .dev    = {
0229         .platform_data = &palmld_pxa_keys_data,
0230     },
0231 };
0232
0233 static void __init palmld_keys_init(void)
0234 {
0235     platform_device_register(&palmld_pxa_keys);
0236 }
0237 #else
0238 static inline void palmld_keys_init(void) {}
0239 #endif
0240
0241 /******************************************************************************
0242  * LEDs
0243  ******************************************************************************/
0244 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
0245 struct gpio_led gpio_leds[] = {
0246 {
0247     .name           = "palmld:green:led",
0248     .default_trigger    = "none",
0249     .gpio           = GPIO_NR_PALMLD_LED_GREEN,
0250 }, {
0251     .name           = "palmld:amber:led",
0252     .default_trigger    = "none",
0253     .gpio           = GPIO_NR_PALMLD_LED_AMBER,
0254 },
0255 };
0256
0257 static struct gpio_led_platform_data gpio_led_info = {
0258     .leds       = gpio_leds,
0259     .num_leds   = ARRAY_SIZE(gpio_leds),
0260 };
0261
0262 static struct platform_device palmld_leds = {
0263     .name   = "leds-gpio",
0264     .id = -1,
0265     .dev    = {
0266         .platform_data  = &gpio_led_info,
0267     }
0268 };
0269
0270 static void __init palmld_leds_init(void)
0271 {
0272     platform_device_register(&palmld_leds);
0273 }
0274 #else
0275 static inline void palmld_leds_init(void) {}
0276 #endif
0277
0278 /******************************************************************************
0279  * HDD
0280  ******************************************************************************/
0281 #if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
0282 static struct resource palmld_ide_resources[] = {
0283     DEFINE_RES_MEM(PALMLD_IDE_PHYS, 0x1000),
0284 };
0285
0286 static struct platform_device palmld_ide_device = {
0287     .name       = "pata_palmld",
0288     .id     = -1,
0289     .resource   = palmld_ide_resources,
0290     .num_resources  = ARRAY_SIZE(palmld_ide_resources),
0291 };
0292
0293 static struct gpiod_lookup_table palmld_ide_gpio_table = {
0294     .dev_id = "pata_palmld",
0295     .table = {
0296         GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_PWEN,
0297                 "power", GPIO_ACTIVE_HIGH),
0298         GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_RESET,
0299                 "reset", GPIO_ACTIVE_LOW),
0300         { },
0301     },
0302 };
0303
0304 static void __init palmld_ide_init(void)
0305 {
0306     gpiod_add_lookup_table(&palmld_ide_gpio_table);
0307     platform_device_register(&palmld_ide_device);
0308 }
0309 #else
0310 static inline void palmld_ide_init(void) {}
0311 #endif
0312
0313 /******************************************************************************
0314  * Machine init
0315  ******************************************************************************/
0316 static struct map_desc palmld_io_desc[] __initdata = {
0317 {
0318     .virtual    = PALMLD_IDE_VIRT,
0319     .pfn        = __phys_to_pfn(PALMLD_IDE_PHYS),
0320     .length     = PALMLD_IDE_SIZE,
0321     .type       = MT_DEVICE
0322 },
0323 {
0324     .virtual    = PALMLD_USB_VIRT,
0325     .pfn        = __phys_to_pfn(PALMLD_USB_PHYS),
0326     .length     = PALMLD_USB_SIZE,
0327     .type       = MT_DEVICE
0328 },
0329 };
0330
0331 static void __init palmld_map_io(void)
0332 {
0333     pxa27x_map_io();
0334     iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
0335 }
0336
0337 static struct gpiod_lookup_table palmld_mci_gpio_table = {
0338     .dev_id = "pxa2xx-mci.0",
0339     .table = {
0340         GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_DETECT_N,
0341                 "cd", GPIO_ACTIVE_LOW),
0342         GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_READONLY,
0343                 "wp", GPIO_ACTIVE_LOW),
0344         GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_POWER,
0345                 "power", GPIO_ACTIVE_HIGH),
0346         { },
0347     },
0348 };
0349
0350 static struct gpiod_lookup_table palmld_wm97xx_touch_gpio_table = {
0351     .dev_id = "wm97xx-touch",
0352     .table = {
0353         GPIO_LOOKUP("gpio-pxa", 27, "touch", GPIO_ACTIVE_HIGH),
0354         { },
0355     },
0356 };
0357
0358 static void __init palmld_init(void)
0359 {
0360     pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
0361     pxa_set_ffuart_info(NULL);
0362     pxa_set_btuart_info(NULL);
0363     pxa_set_stuart_info(NULL);
0364
0365     palm27x_mmc_init(&palmld_mci_gpio_table);
0366     gpiod_add_lookup_table(&palmld_wm97xx_touch_gpio_table);
0367     palm27x_pm_init(PALMLD_STR_BASE);
0368     palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
0369     palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
0370     palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
0371             GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
0372     palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
0373     palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
0374             GPIO_NR_PALMLD_USB_DETECT_N);
0375     palm27x_pmic_init();
0376     palmld_kpc_init();
0377     palmld_keys_init();
0378     palmld_nor_init();
0379     palmld_leds_init();
0380     palmld_ide_init();
0381 }
0382
0383 MACHINE_START(PALMLD, "Palm LifeDrive")
0384     .atag_offset    = 0x100,
0385     .map_io     = palmld_map_io,
0386     .nr_irqs    = PXA_NR_IRQS,
0387     .init_irq   = pxa27x_init_irq,
0388     .handle_irq = pxa27x_handle_irq,
0389     .init_time  = pxa_timer_init,
0390     .init_machine   = palmld_init,
0391     .restart    = pxa_restart,
0392 MACHINE_END