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539 lines
14 KiB
539 lines
14 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/palmtc.c |
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* |
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* Support for the Palm Tungsten|C |
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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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* Petr Blaha <[email protected]> |
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* Chetan S. Kumar <[email protected]> |
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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/input.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/machine.h> |
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#include <linux/input/matrix_keypad.h> |
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#include <linux/ucb1400.h> |
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#include <linux/power_supply.h> |
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#include <linux/gpio_keys.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 "pxa25x.h" |
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#include <mach/audio.h> |
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#include <mach/palmtc.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 "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 palmtc_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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GPIO12_GPIO, /* detect */ |
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GPIO32_GPIO, /* power */ |
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GPIO54_GPIO, /* r/o switch */ |
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/* PCMCIA */ |
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GPIO52_nPCE_1, |
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GPIO53_nPCE_2, |
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GPIO50_nPIOR, |
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GPIO51_nPIOW, |
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GPIO49_nPWE, |
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GPIO48_nPOE, |
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GPIO52_nPCE_1, |
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GPIO53_nPCE_2, |
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GPIO57_nIOIS16, |
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GPIO56_nPWAIT, |
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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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/* IrDA */ |
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GPIO45_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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GPIO17_PWM1_OUT, |
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/* USB */ |
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GPIO4_GPIO, /* detect */ |
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GPIO36_GPIO, /* pullup */ |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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/* MATRIX KEYPAD */ |
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GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */ |
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GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */ |
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GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */ |
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GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */ |
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GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */ |
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GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */ |
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GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */ |
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GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */ |
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GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */ |
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GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */ |
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GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */ |
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GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */ |
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GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */ |
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GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */ |
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GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */ |
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GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */ |
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/* PXA GPIO KEYS */ |
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GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */ |
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/* MISC */ |
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GPIO1_RST, /* reset */ |
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GPIO2_GPIO, /* earphone detect */ |
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GPIO16_GPIO, /* backlight switch */ |
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}; |
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/****************************************************************************** |
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* SD/MMC card controller |
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******************************************************************************/ |
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#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) |
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static struct pxamci_platform_data palmtc_mci_platform_data = { |
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
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.detect_delay_ms = 200, |
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}; |
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static struct gpiod_lookup_table palmtc_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_PALMTC_SD_DETECT_N, |
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"cd", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_READONLY, |
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"wp", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_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 palmtc_mmc_init(void) |
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{ |
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gpiod_add_lookup_table(&palmtc_mci_gpio_table); |
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pxa_set_mci_info(&palmtc_mci_platform_data); |
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} |
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#else |
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static inline void palmtc_mmc_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 palmtc_pxa_buttons[] = { |
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{KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1}, |
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}; |
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static struct gpio_keys_platform_data palmtc_pxa_keys_data = { |
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.buttons = palmtc_pxa_buttons, |
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.nbuttons = ARRAY_SIZE(palmtc_pxa_buttons), |
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}; |
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static struct platform_device palmtc_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 = &palmtc_pxa_keys_data, |
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}, |
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}; |
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static void __init palmtc_keys_init(void) |
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{ |
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platform_device_register(&palmtc_pxa_keys); |
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} |
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#else |
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static inline void palmtc_keys_init(void) {} |
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#endif |
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/****************************************************************************** |
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* Backlight |
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******************************************************************************/ |
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#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) |
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static struct gpiod_lookup_table palmtc_pwm_bl_gpio_table = { |
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.dev_id = "pwm-backlight.0", |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_BL_POWER, |
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"enable", GPIO_ACTIVE_HIGH), |
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}, |
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}; |
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static struct pwm_lookup palmtc_pwm_lookup[] = { |
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PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS, |
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PWM_POLARITY_NORMAL), |
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}; |
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static struct platform_pwm_backlight_data palmtc_backlight_data = { |
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.max_brightness = PALMTC_MAX_INTENSITY, |
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.dft_brightness = PALMTC_MAX_INTENSITY, |
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}; |
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static struct platform_device palmtc_backlight = { |
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.name = "pwm-backlight", |
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.dev = { |
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.parent = &pxa25x_device_pwm1.dev, |
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.platform_data = &palmtc_backlight_data, |
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}, |
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}; |
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static void __init palmtc_pwm_init(void) |
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{ |
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gpiod_add_lookup_table(&palmtc_pwm_bl_gpio_table); |
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pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup)); |
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platform_device_register(&palmtc_backlight); |
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} |
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#else |
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static inline void palmtc_pwm_init(void) {} |
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#endif |
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/****************************************************************************** |
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* IrDA |
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******************************************************************************/ |
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#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) |
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static struct pxaficp_platform_data palmtc_ficp_platform_data = { |
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.gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE, |
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.transceiver_cap = IR_SIRMODE | IR_OFF, |
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}; |
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static void __init palmtc_irda_init(void) |
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{ |
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pxa_set_ficp_info(&palmtc_ficp_platform_data); |
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} |
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#else |
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static inline void palmtc_irda_init(void) {} |
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#endif |
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/****************************************************************************** |
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* Keyboard |
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******************************************************************************/ |
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#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) |
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static const uint32_t palmtc_matrix_keys[] = { |
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KEY(0, 0, KEY_F1), |
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KEY(0, 1, KEY_X), |
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KEY(0, 2, KEY_POWER), |
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KEY(0, 3, KEY_TAB), |
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KEY(0, 4, KEY_A), |
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KEY(0, 5, KEY_Q), |
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KEY(0, 6, KEY_LEFTSHIFT), |
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KEY(0, 7, KEY_Z), |
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KEY(0, 8, KEY_S), |
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KEY(0, 9, KEY_W), |
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KEY(0, 10, KEY_E), |
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KEY(0, 11, KEY_UP), |
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KEY(1, 0, KEY_F2), |
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KEY(1, 1, KEY_DOWN), |
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KEY(1, 3, KEY_D), |
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KEY(1, 4, KEY_C), |
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KEY(1, 5, KEY_F), |
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KEY(1, 6, KEY_R), |
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KEY(1, 7, KEY_SPACE), |
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KEY(1, 8, KEY_V), |
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KEY(1, 9, KEY_G), |
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KEY(1, 10, KEY_T), |
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KEY(1, 11, KEY_LEFT), |
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KEY(2, 0, KEY_F3), |
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KEY(2, 1, KEY_LEFTCTRL), |
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KEY(2, 3, KEY_H), |
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KEY(2, 4, KEY_Y), |
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KEY(2, 5, KEY_N), |
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KEY(2, 6, KEY_J), |
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KEY(2, 7, KEY_U), |
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KEY(2, 8, KEY_M), |
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KEY(2, 9, KEY_K), |
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KEY(2, 10, KEY_I), |
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KEY(2, 11, KEY_RIGHT), |
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KEY(3, 0, KEY_F4), |
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KEY(3, 1, KEY_ENTER), |
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KEY(3, 3, KEY_DOT), |
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KEY(3, 4, KEY_L), |
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KEY(3, 5, KEY_O), |
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KEY(3, 6, KEY_LEFTALT), |
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KEY(3, 7, KEY_ENTER), |
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KEY(3, 8, KEY_BACKSPACE), |
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KEY(3, 9, KEY_P), |
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KEY(3, 10, KEY_B), |
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KEY(3, 11, KEY_FN), |
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}; |
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const struct matrix_keymap_data palmtc_keymap_data = { |
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.keymap = palmtc_matrix_keys, |
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.keymap_size = ARRAY_SIZE(palmtc_matrix_keys), |
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}; |
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static const unsigned int palmtc_keypad_row_gpios[] = { |
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0, 9, 10, 11 |
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}; |
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static const unsigned int palmtc_keypad_col_gpios[] = { |
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18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80 |
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}; |
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static struct matrix_keypad_platform_data palmtc_keypad_platform_data = { |
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.keymap_data = &palmtc_keymap_data, |
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.row_gpios = palmtc_keypad_row_gpios, |
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.num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios), |
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.col_gpios = palmtc_keypad_col_gpios, |
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.num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios), |
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.active_low = 1, |
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.debounce_ms = 20, |
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.col_scan_delay_us = 5, |
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}; |
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static struct platform_device palmtc_keyboard = { |
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.name = "matrix-keypad", |
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.id = -1, |
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.dev = { |
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.platform_data = &palmtc_keypad_platform_data, |
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}, |
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}; |
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static void __init palmtc_mkp_init(void) |
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{ |
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platform_device_register(&palmtc_keyboard); |
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} |
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#else |
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static inline void palmtc_mkp_init(void) {} |
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#endif |
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/****************************************************************************** |
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* UDC |
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******************************************************************************/ |
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#if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE) |
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static struct gpiod_lookup_table palmtc_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_PALMTC_USB_DETECT_N, |
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"vbus", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_POWER, |
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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 palmtc_gpio_vbus = { |
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.name = "gpio-vbus", |
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.id = -1, |
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}; |
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static void __init palmtc_udc_init(void) |
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{ |
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gpiod_add_lookup_table(&palmtc_udc_gpiod_table); |
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platform_device_register(&palmtc_gpio_vbus); |
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}; |
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#else |
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static inline void palmtc_udc_init(void) {} |
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#endif |
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/****************************************************************************** |
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* Touchscreen / Battery / GPIO-extender |
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******************************************************************************/ |
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#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ |
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defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) |
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static struct platform_device palmtc_ucb1400_device = { |
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.name = "ucb1400_core", |
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.id = -1, |
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}; |
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static void __init palmtc_ts_init(void) |
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{ |
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pxa_set_ac97_info(NULL); |
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platform_device_register(&palmtc_ucb1400_device); |
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} |
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#else |
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static inline void palmtc_ts_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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struct gpio_led palmtc_gpio_leds[] = { |
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{ |
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.name = "palmtc:green:user", |
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.default_trigger = "none", |
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.gpio = GPIO_NR_PALMTC_LED_POWER, |
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.active_low = 1, |
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}, { |
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.name = "palmtc:vibra:vibra", |
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.default_trigger = "none", |
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.gpio = GPIO_NR_PALMTC_VIBRA_POWER, |
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.active_low = 1, |
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} |
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}; |
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static struct gpio_led_platform_data palmtc_gpio_led_info = { |
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.leds = palmtc_gpio_leds, |
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.num_leds = ARRAY_SIZE(palmtc_gpio_leds), |
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}; |
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static struct platform_device palmtc_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 = &palmtc_gpio_led_info, |
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} |
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}; |
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static void __init palmtc_leds_init(void) |
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{ |
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platform_device_register(&palmtc_leds); |
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} |
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#else |
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static inline void palmtc_leds_init(void) {} |
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#endif |
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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 resource palmtc_flash_resource = { |
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.start = PXA_CS0_PHYS, |
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.end = PXA_CS0_PHYS + SZ_16M - 1, |
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.flags = IORESOURCE_MEM, |
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}; |
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static struct mtd_partition palmtc_flash_parts[] = { |
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{ |
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.name = "U-Boot Bootloader", |
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.offset = 0x0, |
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.size = 0x40000, |
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}, |
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{ |
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.name = "Linux Kernel", |
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.offset = 0x40000, |
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.size = 0x2c0000, |
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}, |
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{ |
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.name = "Filesystem", |
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.offset = 0x300000, |
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.size = 0xcc0000, |
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}, |
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{ |
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.name = "U-Boot Environment", |
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.offset = 0xfc0000, |
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.size = MTDPART_SIZ_FULL, |
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}, |
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}; |
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static struct physmap_flash_data palmtc_flash_data = { |
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.width = 4, |
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.parts = palmtc_flash_parts, |
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.nr_parts = ARRAY_SIZE(palmtc_flash_parts), |
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}; |
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static struct platform_device palmtc_flash = { |
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.name = "physmap-flash", |
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.id = -1, |
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.resource = &palmtc_flash_resource, |
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.num_resources = 1, |
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.dev = { |
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.platform_data = &palmtc_flash_data, |
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}, |
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}; |
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static void __init palmtc_nor_init(void) |
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{ |
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platform_device_register(&palmtc_flash); |
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} |
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#else |
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static inline void palmtc_nor_init(void) {} |
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#endif |
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/****************************************************************************** |
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* Framebuffer |
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******************************************************************************/ |
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
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static struct pxafb_mode_info palmtc_lcd_modes[] = { |
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{ |
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.pixclock = 115384, |
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.xres = 320, |
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.yres = 320, |
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.bpp = 16, |
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.left_margin = 27, |
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.right_margin = 7, |
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.upper_margin = 7, |
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.lower_margin = 8, |
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.hsync_len = 6, |
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.vsync_len = 1, |
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}, |
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}; |
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static struct pxafb_mach_info palmtc_lcd_screen = { |
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.modes = palmtc_lcd_modes, |
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.num_modes = ARRAY_SIZE(palmtc_lcd_modes), |
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
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}; |
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static void __init palmtc_lcd_init(void) |
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{ |
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pxa_set_fb_info(NULL, &palmtc_lcd_screen); |
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} |
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#else |
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static inline void palmtc_lcd_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 void __init palmtc_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_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_hwuart_info(NULL); |
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palmtc_mmc_init(); |
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palmtc_keys_init(); |
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palmtc_pwm_init(); |
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palmtc_irda_init(); |
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palmtc_mkp_init(); |
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palmtc_udc_init(); |
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palmtc_ts_init(); |
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palmtc_nor_init(); |
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palmtc_lcd_init(); |
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palmtc_leds_init(); |
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}; |
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MACHINE_START(PALMTC, "Palm Tungsten|C") |
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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 = palmtc_init, |
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.restart = pxa_restart, |
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MACHINE_END
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