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381 lines
9.2 KiB
381 lines
9.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Hardware definitions for PalmTX |
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* |
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* Author: Marek Vasut <[email protected]> |
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* |
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* Based on work of: |
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* Alex Osborne <[email protected]> |
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* Cristiano P. <[email protected]> |
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* Jan Herman <[email protected]> |
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* Michal Hrusecky |
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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/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/mtd/platnand.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/physmap.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 "pxa27x.h" |
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#include <mach/audio.h> |
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#include <mach/palmtx.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 "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 palmtx_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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GPIO114_GPIO, /* SD power */ |
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GPIO115_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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GPIO89_AC97_SYSCLK, |
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GPIO95_AC97_nRESET, |
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/* IrDA */ |
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GPIO40_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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GPIO13_GPIO, /* usb detect */ |
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GPIO93_GPIO, /* usb power */ |
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/* PCMCIA */ |
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GPIO48_nPOE, |
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GPIO49_nPWE, |
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GPIO50_nPIOR, |
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GPIO51_nPIOW, |
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GPIO85_nPCE_1, |
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GPIO54_nPCE_2, |
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GPIO79_PSKTSEL, |
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GPIO55_nPREG, |
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GPIO56_nPWAIT, |
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GPIO57_nIOIS16, |
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GPIO94_GPIO, /* wifi power 1 */ |
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GPIO108_GPIO, /* wifi power 2 */ |
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GPIO116_GPIO, /* wifi ready */ |
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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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/* FFUART */ |
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GPIO34_FFUART_RXD, |
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GPIO39_FFUART_TXD, |
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/* NAND */ |
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GPIO15_nCS_1, |
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GPIO18_RDY, |
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/* MISC. */ |
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GPIO10_GPIO, /* hotsync button */ |
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GPIO12_GPIO, /* power detect */ |
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GPIO107_GPIO, /* earphone detect */ |
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}; |
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/****************************************************************************** |
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* NOR Flash |
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******************************************************************************/ |
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#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) |
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static struct mtd_partition palmtx_partitions[] = { |
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{ |
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.name = "Flash", |
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.offset = 0x00000000, |
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.size = MTDPART_SIZ_FULL, |
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.mask_flags = 0 |
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} |
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}; |
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static struct physmap_flash_data palmtx_flash_data[] = { |
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{ |
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.width = 2, /* bankwidth in bytes */ |
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.parts = palmtx_partitions, |
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.nr_parts = ARRAY_SIZE(palmtx_partitions) |
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} |
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}; |
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static struct resource palmtx_flash_resource = { |
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.start = PXA_CS0_PHYS, |
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.end = PXA_CS0_PHYS + SZ_8M - 1, |
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.flags = IORESOURCE_MEM, |
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}; |
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static struct platform_device palmtx_flash = { |
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.name = "physmap-flash", |
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.id = 0, |
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.resource = &palmtx_flash_resource, |
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.num_resources = 1, |
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.dev = { |
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.platform_data = palmtx_flash_data, |
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}, |
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}; |
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static void __init palmtx_nor_init(void) |
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{ |
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platform_device_register(&palmtx_flash); |
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} |
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#else |
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static inline void palmtx_nor_init(void) {} |
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#endif |
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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 palmtx_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 palmtx_matrix_keymap_data = { |
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.keymap = palmtx_matrix_keys, |
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.keymap_size = ARRAY_SIZE(palmtx_matrix_keys), |
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}; |
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static struct pxa27x_keypad_platform_data palmtx_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 = &palmtx_matrix_keymap_data, |
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.debounce_interval = 30, |
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}; |
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static void __init palmtx_kpc_init(void) |
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{ |
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pxa_set_keypad_info(&palmtx_keypad_platform_data); |
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} |
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#else |
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static inline void palmtx_kpc_init(void) {} |
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#endif |
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/****************************************************************************** |
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* GPIO keys |
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******************************************************************************/ |
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
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static struct gpio_keys_button palmtx_pxa_buttons[] = { |
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{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, |
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}; |
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static struct gpio_keys_platform_data palmtx_pxa_keys_data = { |
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.buttons = palmtx_pxa_buttons, |
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.nbuttons = ARRAY_SIZE(palmtx_pxa_buttons), |
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}; |
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static struct platform_device palmtx_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 = &palmtx_pxa_keys_data, |
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}, |
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}; |
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static void __init palmtx_keys_init(void) |
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{ |
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platform_device_register(&palmtx_pxa_keys); |
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} |
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#else |
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static inline void palmtx_keys_init(void) {} |
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#endif |
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/****************************************************************************** |
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* NAND Flash |
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******************************************************************************/ |
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#if defined(CONFIG_MTD_NAND_PLATFORM) || \ |
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defined(CONFIG_MTD_NAND_PLATFORM_MODULE) |
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static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd, |
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unsigned int ctrl) |
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{ |
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char __iomem *nandaddr = this->legacy.IO_ADDR_W; |
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if (cmd == NAND_CMD_NONE) |
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return; |
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if (ctrl & NAND_CLE) |
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writeb(cmd, PALMTX_NAND_CLE_VIRT); |
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else if (ctrl & NAND_ALE) |
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writeb(cmd, PALMTX_NAND_ALE_VIRT); |
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else |
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writeb(cmd, nandaddr); |
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} |
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static struct mtd_partition palmtx_partition_info[] = { |
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[0] = { |
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.name = "palmtx-0", |
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.offset = 0, |
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.size = MTDPART_SIZ_FULL |
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}, |
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}; |
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struct platform_nand_data palmtx_nand_platdata = { |
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.chip = { |
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.nr_chips = 1, |
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.chip_offset = 0, |
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.nr_partitions = ARRAY_SIZE(palmtx_partition_info), |
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.partitions = palmtx_partition_info, |
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.chip_delay = 20, |
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}, |
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.ctrl = { |
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.cmd_ctrl = palmtx_nand_cmd_ctl, |
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}, |
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}; |
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static struct resource palmtx_nand_resource[] = { |
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[0] = { |
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.start = PXA_CS1_PHYS, |
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.end = PXA_CS1_PHYS + SZ_1M - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct platform_device palmtx_nand = { |
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.name = "gen_nand", |
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.num_resources = ARRAY_SIZE(palmtx_nand_resource), |
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.resource = palmtx_nand_resource, |
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.id = -1, |
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.dev = { |
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.platform_data = &palmtx_nand_platdata, |
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} |
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}; |
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static void __init palmtx_nand_init(void) |
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{ |
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platform_device_register(&palmtx_nand); |
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} |
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#else |
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static inline void palmtx_nand_init(void) {} |
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#endif |
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/****************************************************************************** |
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* Machine init |
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******************************************************************************/ |
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static struct map_desc palmtx_io_desc[] __initdata = { |
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{ |
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.virtual = (unsigned long)PALMTX_PCMCIA_VIRT, |
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.pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS), |
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.length = PALMTX_PCMCIA_SIZE, |
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.type = MT_DEVICE, |
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}, { |
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.virtual = (unsigned long)PALMTX_NAND_ALE_VIRT, |
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.pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS), |
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.length = SZ_1M, |
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.type = MT_DEVICE, |
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}, { |
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.virtual = (unsigned long)PALMTX_NAND_CLE_VIRT, |
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.pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS), |
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.length = SZ_1M, |
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.type = MT_DEVICE, |
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} |
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}; |
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static void __init palmtx_map_io(void) |
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{ |
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pxa27x_map_io(); |
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iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc)); |
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} |
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static struct gpiod_lookup_table palmtx_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_PALMTX_SD_DETECT_N, |
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"cd", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY, |
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"wp", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_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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static void __init palmtx_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_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(&palmtx_mci_gpio_table); |
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palm27x_pm_init(PALMTX_STR_BASE); |
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palm27x_lcd_init(-1, &palm_320x480_lcd_mode); |
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palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N, |
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GPIO_NR_PALMTX_USB_PULLUP, 1); |
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palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE); |
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palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE, |
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GPIO_NR_PALMTX_EARPHONE_DETECT, 95); |
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palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER); |
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palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1); |
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palm27x_pmic_init(); |
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palmtx_kpc_init(); |
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palmtx_keys_init(); |
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palmtx_nor_init(); |
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palmtx_nand_init(); |
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} |
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MACHINE_START(PALMTX, "Palm T|X") |
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.atag_offset = 0x100, |
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.map_io = palmtx_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 = palmtx_init, |
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.restart = pxa_restart, |
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MACHINE_END
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