diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-htcherald.c')
-rw-r--r-- | arch/arm/mach-omap1/board-htcherald.c | 585 |
1 files changed, 0 insertions, 585 deletions
diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c deleted file mode 100644 index 291d294b5824..000000000000 --- a/arch/arm/mach-omap1/board-htcherald.c +++ /dev/null @@ -1,585 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * HTC Herald board configuration - * Copyright (C) 2009 Cory Maccarrone <darkstar6262@gmail.com> - * Copyright (C) 2009 Wing Linux - * - * Based on the board-htcwizard.c file from the linwizard project: - * Copyright (C) 2006 Unai Uribarri - * Copyright (C) 2008 linwizard.sourceforge.net - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/input.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/gpio_keys.h> -#include <linux/i2c.h> -#include <linux/platform_data/i2c-gpio.h> -#include <linux/htcpld.h> -#include <linux/leds.h> -#include <linux/spi/spi.h> -#include <linux/spi/ads7846.h> -#include <linux/omapfb.h> -#include <linux/platform_data/keypad-omap.h> -#include <linux/soc/ti/omap1-io.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include "hardware.h" -#include "omap7xx.h" -#include "mmc.h" -#include "irqs.h" -#include "usb.h" -#include "common.h" - -/* LCD register definition */ -#define OMAP_LCDC_CONTROL (0xfffec000 + 0x00) -#define OMAP_LCDC_STATUS (0xfffec000 + 0x10) -#define OMAP_DMA_LCD_CCR (0xfffee300 + 0xc2) -#define OMAP_DMA_LCD_CTRL (0xfffee300 + 0xc4) -#define OMAP_LCDC_CTRL_LCD_EN (1 << 0) -#define OMAP_LCDC_STAT_DONE (1 << 0) - -/* GPIO definitions for the power button and keyboard slide switch */ -#define HTCHERALD_GPIO_POWER 139 -#define HTCHERALD_GPIO_SLIDE 174 -#define HTCHERALD_GIRQ_BTNS 141 - -/* GPIO definitions for the touchscreen */ -#define HTCHERALD_GPIO_TS 76 - -/* HTCPLD definitions */ - -/* - * CPLD Logic - * - * Chip 3 - 0x03 - * - * Function 7 6 5 4 3 2 1 0 - * ------------------------------------ - * DPAD light x x x x x x x 1 - * SoundDev x x x x 1 x x x - * Screen white 1 x x x x x x x - * MMC power on x x x x x 1 x x - * Happy times (n) 0 x x x x 1 x x - * - * Chip 4 - 0x04 - * - * Function 7 6 5 4 3 2 1 0 - * ------------------------------------ - * Keyboard light x x x x x x x 1 - * LCD Bright (4) x x x x x 1 1 x - * LCD Bright (3) x x x x x 0 1 x - * LCD Bright (2) x x x x x 1 0 x - * LCD Bright (1) x x x x x 0 0 x - * LCD Off x x x x 0 x x x - * LCD image (fb) 1 x x x x x x x - * LCD image (white) 0 x x x x x x x - * Caps lock LED x x 1 x x x x x - * - * Chip 5 - 0x05 - * - * Function 7 6 5 4 3 2 1 0 - * ------------------------------------ - * Red (solid) x x x x x 1 x x - * Red (flash) x x x x x x 1 x - * Green (GSM flash) x x x x 1 x x x - * Green (GSM solid) x x x 1 x x x x - * Green (wifi flash) x x 1 x x x x x - * Blue (bt flash) x 1 x x x x x x - * DPAD Int Enable 1 x x x x x x 0 - * - * (Combinations of the above can be made for different colors.) - * The direction pad interrupt enable must be set each time the - * interrupt is handled. - * - * Chip 6 - 0x06 - * - * Function 7 6 5 4 3 2 1 0 - * ------------------------------------ - * Vibrator x x x x 1 x x x - * Alt LED x x x 1 x x x x - * Screen white 1 x x x x x x x - * Screen white x x 1 x x x x x - * Screen white x 0 x x x x x x - * Enable kbd dpad x x x x x x 0 x - * Happy Times 0 1 0 x x x 0 x - */ - -/* - * HTCPLD GPIO lines start 16 after OMAP_MAX_GPIO_LINES to account - * for the 16 MPUIO lines. - */ -#define HTCPLD_GPIO_START_OFFSET (OMAP_MAX_GPIO_LINES + 16) -#define HTCPLD_IRQ(chip, offset) (OMAP_IRQ_END + 8 * (chip) + (offset)) -#define HTCPLD_BASE(chip, offset) \ - (HTCPLD_GPIO_START_OFFSET + 8 * (chip) + (offset)) - -#define HTCPLD_GPIO_LED_DPAD HTCPLD_BASE(0, 0) -#define HTCPLD_GPIO_LED_KBD HTCPLD_BASE(1, 0) -#define HTCPLD_GPIO_LED_CAPS HTCPLD_BASE(1, 5) -#define HTCPLD_GPIO_LED_RED_FLASH HTCPLD_BASE(2, 1) -#define HTCPLD_GPIO_LED_RED_SOLID HTCPLD_BASE(2, 2) -#define HTCPLD_GPIO_LED_GREEN_FLASH HTCPLD_BASE(2, 3) -#define HTCPLD_GPIO_LED_GREEN_SOLID HTCPLD_BASE(2, 4) -#define HTCPLD_GPIO_LED_WIFI HTCPLD_BASE(2, 5) -#define HTCPLD_GPIO_LED_BT HTCPLD_BASE(2, 6) -#define HTCPLD_GPIO_LED_VIBRATE HTCPLD_BASE(3, 3) -#define HTCPLD_GPIO_LED_ALT HTCPLD_BASE(3, 4) - -#define HTCPLD_GPIO_RIGHT_KBD HTCPLD_BASE(6, 7) -#define HTCPLD_GPIO_UP_KBD HTCPLD_BASE(6, 6) -#define HTCPLD_GPIO_LEFT_KBD HTCPLD_BASE(6, 5) -#define HTCPLD_GPIO_DOWN_KBD HTCPLD_BASE(6, 4) - -#define HTCPLD_GPIO_RIGHT_DPAD HTCPLD_BASE(7, 7) -#define HTCPLD_GPIO_UP_DPAD HTCPLD_BASE(7, 6) -#define HTCPLD_GPIO_LEFT_DPAD HTCPLD_BASE(7, 5) -#define HTCPLD_GPIO_DOWN_DPAD HTCPLD_BASE(7, 4) -#define HTCPLD_GPIO_ENTER_DPAD HTCPLD_BASE(7, 3) - -/* Chip 5 */ -#define HTCPLD_IRQ_RIGHT_KBD HTCPLD_IRQ(0, 7) -#define HTCPLD_IRQ_UP_KBD HTCPLD_IRQ(0, 6) -#define HTCPLD_IRQ_LEFT_KBD HTCPLD_IRQ(0, 5) -#define HTCPLD_IRQ_DOWN_KBD HTCPLD_IRQ(0, 4) - -/* Chip 6 */ -#define HTCPLD_IRQ_RIGHT_DPAD HTCPLD_IRQ(1, 7) -#define HTCPLD_IRQ_UP_DPAD HTCPLD_IRQ(1, 6) -#define HTCPLD_IRQ_LEFT_DPAD HTCPLD_IRQ(1, 5) -#define HTCPLD_IRQ_DOWN_DPAD HTCPLD_IRQ(1, 4) -#define HTCPLD_IRQ_ENTER_DPAD HTCPLD_IRQ(1, 3) - -/* Keyboard definition */ - -static const unsigned int htc_herald_keymap[] = { - KEY(0, 0, KEY_RECORD), /* Mail button */ - KEY(1, 0, KEY_CAMERA), /* Camera */ - KEY(2, 0, KEY_PHONE), /* Send key */ - KEY(3, 0, KEY_VOLUMEUP), /* Volume up */ - KEY(4, 0, KEY_F2), /* Right bar (landscape) */ - KEY(5, 0, KEY_MAIL), /* Win key (portrait) */ - KEY(6, 0, KEY_DIRECTORY), /* Right bar (portrait) */ - KEY(0, 1, KEY_LEFTCTRL), /* Windows key */ - KEY(1, 1, KEY_COMMA), - KEY(2, 1, KEY_M), - KEY(3, 1, KEY_K), - KEY(4, 1, KEY_SLASH), /* OK key */ - KEY(5, 1, KEY_I), - KEY(6, 1, KEY_U), - KEY(0, 2, KEY_LEFTALT), - KEY(1, 2, KEY_TAB), - KEY(2, 2, KEY_N), - KEY(3, 2, KEY_J), - KEY(4, 2, KEY_ENTER), - KEY(5, 2, KEY_H), - KEY(6, 2, KEY_Y), - KEY(0, 3, KEY_SPACE), - KEY(1, 3, KEY_L), - KEY(2, 3, KEY_B), - KEY(3, 3, KEY_V), - KEY(4, 3, KEY_BACKSPACE), - KEY(5, 3, KEY_G), - KEY(6, 3, KEY_T), - KEY(0, 4, KEY_CAPSLOCK), /* Shift */ - KEY(1, 4, KEY_C), - KEY(2, 4, KEY_F), - KEY(3, 4, KEY_R), - KEY(4, 4, KEY_O), - KEY(5, 4, KEY_E), - KEY(6, 4, KEY_D), - KEY(0, 5, KEY_X), - KEY(1, 5, KEY_Z), - KEY(2, 5, KEY_S), - KEY(3, 5, KEY_W), - KEY(4, 5, KEY_P), - KEY(5, 5, KEY_Q), - KEY(6, 5, KEY_A), - KEY(0, 6, KEY_CONNECT), /* Voice button */ - KEY(2, 6, KEY_CANCEL), /* End key */ - KEY(3, 6, KEY_VOLUMEDOWN), /* Volume down */ - KEY(4, 6, KEY_F1), /* Left bar (landscape) */ - KEY(5, 6, KEY_WWW), /* OK button (portrait) */ - KEY(6, 6, KEY_CALENDAR), /* Left bar (portrait) */ -}; - -static const struct matrix_keymap_data htc_herald_keymap_data = { - .keymap = htc_herald_keymap, - .keymap_size = ARRAY_SIZE(htc_herald_keymap), -}; - -static struct omap_kp_platform_data htcherald_kp_data = { - .rows = 7, - .cols = 7, - .delay = 20, - .rep = true, - .keymap_data = &htc_herald_keymap_data, -}; - -static struct resource kp_resources[] = { - [0] = { - .start = INT_7XX_MPUIO_KEYPAD, - .end = INT_7XX_MPUIO_KEYPAD, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device kp_device = { - .name = "omap-keypad", - .id = -1, - .dev = { - .platform_data = &htcherald_kp_data, - }, - .num_resources = ARRAY_SIZE(kp_resources), - .resource = kp_resources, -}; - -/* GPIO buttons for keyboard slide and power button */ -static struct gpio_keys_button herald_gpio_keys_table[] = { - {BTN_0, HTCHERALD_GPIO_POWER, 1, "POWER", EV_KEY, 1, 20}, - {SW_LID, HTCHERALD_GPIO_SLIDE, 0, "SLIDE", EV_SW, 1, 20}, - - {KEY_LEFT, HTCPLD_GPIO_LEFT_KBD, 1, "LEFT", EV_KEY, 1, 20}, - {KEY_RIGHT, HTCPLD_GPIO_RIGHT_KBD, 1, "RIGHT", EV_KEY, 1, 20}, - {KEY_UP, HTCPLD_GPIO_UP_KBD, 1, "UP", EV_KEY, 1, 20}, - {KEY_DOWN, HTCPLD_GPIO_DOWN_KBD, 1, "DOWN", EV_KEY, 1, 20}, - - {KEY_LEFT, HTCPLD_GPIO_LEFT_DPAD, 1, "DLEFT", EV_KEY, 1, 20}, - {KEY_RIGHT, HTCPLD_GPIO_RIGHT_DPAD, 1, "DRIGHT", EV_KEY, 1, 20}, - {KEY_UP, HTCPLD_GPIO_UP_DPAD, 1, "DUP", EV_KEY, 1, 20}, - {KEY_DOWN, HTCPLD_GPIO_DOWN_DPAD, 1, "DDOWN", EV_KEY, 1, 20}, - {KEY_ENTER, HTCPLD_GPIO_ENTER_DPAD, 1, "DENTER", EV_KEY, 1, 20}, -}; - -static struct gpio_keys_platform_data herald_gpio_keys_data = { - .buttons = herald_gpio_keys_table, - .nbuttons = ARRAY_SIZE(herald_gpio_keys_table), - .rep = true, -}; - -static struct platform_device herald_gpiokeys_device = { - .name = "gpio-keys", - .id = -1, - .dev = { - .platform_data = &herald_gpio_keys_data, - }, -}; - -/* LEDs for the Herald. These connect to the HTCPLD GPIO device. */ -static const struct gpio_led gpio_leds[] = { - {"dpad", NULL, HTCPLD_GPIO_LED_DPAD, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"kbd", NULL, HTCPLD_GPIO_LED_KBD, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"vibrate", NULL, HTCPLD_GPIO_LED_VIBRATE, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"green_solid", NULL, HTCPLD_GPIO_LED_GREEN_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"green_flash", NULL, HTCPLD_GPIO_LED_GREEN_FLASH, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"red_solid", "mmc0", HTCPLD_GPIO_LED_RED_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"red_flash", NULL, HTCPLD_GPIO_LED_RED_FLASH, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"wifi", NULL, HTCPLD_GPIO_LED_WIFI, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"bt", NULL, HTCPLD_GPIO_LED_BT, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"caps", NULL, HTCPLD_GPIO_LED_CAPS, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, - {"alt", NULL, HTCPLD_GPIO_LED_ALT, 0, 0, LEDS_GPIO_DEFSTATE_OFF}, -}; - -static struct gpio_led_platform_data gpio_leds_data = { - .leds = gpio_leds, - .num_leds = ARRAY_SIZE(gpio_leds), -}; - -static struct platform_device gpio_leds_device = { - .name = "leds-gpio", - .id = 0, - .dev = { - .platform_data = &gpio_leds_data, - }, -}; - -/* HTC PLD chips */ - -static struct resource htcpld_resources[] = { - [0] = { - .flags = IORESOURCE_IRQ, - }, -}; - -static struct htcpld_chip_platform_data htcpld_chips[] = { - [0] = { - .addr = 0x03, - .reset = 0x04, - .num_gpios = 8, - .gpio_out_base = HTCPLD_BASE(0, 0), - .gpio_in_base = HTCPLD_BASE(4, 0), - }, - [1] = { - .addr = 0x04, - .reset = 0x8e, - .num_gpios = 8, - .gpio_out_base = HTCPLD_BASE(1, 0), - .gpio_in_base = HTCPLD_BASE(5, 0), - }, - [2] = { - .addr = 0x05, - .reset = 0x80, - .num_gpios = 8, - .gpio_out_base = HTCPLD_BASE(2, 0), - .gpio_in_base = HTCPLD_BASE(6, 0), - .irq_base = HTCPLD_IRQ(0, 0), - .num_irqs = 8, - }, - [3] = { - .addr = 0x06, - .reset = 0x40, - .num_gpios = 8, - .gpio_out_base = HTCPLD_BASE(3, 0), - .gpio_in_base = HTCPLD_BASE(7, 0), - .irq_base = HTCPLD_IRQ(1, 0), - .num_irqs = 8, - }, -}; - -static struct htcpld_core_platform_data htcpld_pfdata = { - .i2c_adapter_id = 1, - - .chip = htcpld_chips, - .num_chip = ARRAY_SIZE(htcpld_chips), -}; - -static struct platform_device htcpld_device = { - .name = "i2c-htcpld", - .id = -1, - .resource = htcpld_resources, - .num_resources = ARRAY_SIZE(htcpld_resources), - .dev = { - .platform_data = &htcpld_pfdata, - }, -}; - -/* USB Device */ -static struct omap_usb_config htcherald_usb_config __initdata = { - .otg = 0, - .register_host = 0, - .register_dev = 1, - .hmc_mode = 4, - .pins[0] = 2, -}; - -/* LCD Device resources */ -static const struct omap_lcd_config htcherald_lcd_config __initconst = { - .ctrl_name = "internal", -}; - -static struct platform_device lcd_device = { - .name = "lcd_htcherald", - .id = -1, -}; - -/* MMC Card */ -#if IS_ENABLED(CONFIG_MMC_OMAP) -static struct omap_mmc_platform_data htc_mmc1_data = { - .nr_slots = 1, - .switch_slot = NULL, - .slots[0] = { - .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, - .name = "mmcblk", - .nomux = 1, - .wires = 4, - .switch_pin = -1, - }, -}; - -static struct omap_mmc_platform_data *htc_mmc_data[1]; -#endif - - -/* Platform devices for the Herald */ -static struct platform_device *devices[] __initdata = { - &kp_device, - &lcd_device, - &htcpld_device, - &gpio_leds_device, - &herald_gpiokeys_device, -}; - -/* - * Touchscreen - */ -static const struct ads7846_platform_data htcherald_ts_platform_data = { - .model = 7846, - .keep_vref_on = 1, - .x_plate_ohms = 496, - .gpio_pendown = HTCHERALD_GPIO_TS, - .pressure_max = 10000, - .pressure_min = 5000, - .x_min = 528, - .x_max = 3760, - .y_min = 624, - .y_max = 3760, -}; - -static struct spi_board_info __initdata htcherald_spi_board_info[] = { - { - .modalias = "ads7846", - .platform_data = &htcherald_ts_platform_data, - .max_speed_hz = 2500000, - .bus_num = 2, - .chip_select = 1, - } -}; - -/* - * Init functions from here on - */ - -static void __init htcherald_lcd_init(void) -{ - u32 reg; - unsigned int tries = 200; - - /* disable controller if active */ - reg = omap_readl(OMAP_LCDC_CONTROL); - if (reg & OMAP_LCDC_CTRL_LCD_EN) { - reg &= ~OMAP_LCDC_CTRL_LCD_EN; - omap_writel(reg, OMAP_LCDC_CONTROL); - - /* wait for end of frame */ - while (!(omap_readl(OMAP_LCDC_STATUS) & OMAP_LCDC_STAT_DONE)) { - tries--; - if (!tries) - break; - } - if (!tries) - pr_err("Timeout waiting for end of frame -- LCD may not be available\n"); - - /* turn off DMA */ - reg = omap_readw(OMAP_DMA_LCD_CCR); - reg &= ~(1 << 7); - omap_writew(reg, OMAP_DMA_LCD_CCR); - - reg = omap_readw(OMAP_DMA_LCD_CTRL); - reg &= ~(1 << 8); - omap_writew(reg, OMAP_DMA_LCD_CTRL); - } -} - -static void __init htcherald_map_io(void) -{ - omap7xx_map_io(); - - /* - * The LCD panel must be disabled and DMA turned off here, as doing - * it later causes the LCD never to reinitialize. - */ - htcherald_lcd_init(); - - printk(KERN_INFO "htcherald_map_io done.\n"); -} - -static void __init htcherald_disable_watchdog(void) -{ - /* Disable watchdog if running */ - if (omap_readl(OMAP_WDT_TIMER_MODE) & 0x8000) { - /* - * disable a potentially running watchdog timer before - * it kills us. - */ - printk(KERN_WARNING "OMAP850 Watchdog seems to be activated, disabling it for now.\n"); - omap_writel(0xF5, OMAP_WDT_TIMER_MODE); - omap_writel(0xA0, OMAP_WDT_TIMER_MODE); - } -} - -#define HTCHERALD_GPIO_USB_EN1 33 -#define HTCHERALD_GPIO_USB_EN2 73 -#define HTCHERALD_GPIO_USB_DM 35 -#define HTCHERALD_GPIO_USB_DP 36 - -static void __init htcherald_usb_enable(void) -{ - unsigned int tries = 20; - unsigned int value = 0; - - /* Request the GPIOs we need to control here */ - if (gpio_request(HTCHERALD_GPIO_USB_EN1, "herald_usb") < 0) - goto err1; - - if (gpio_request(HTCHERALD_GPIO_USB_EN2, "herald_usb") < 0) - goto err2; - - if (gpio_request(HTCHERALD_GPIO_USB_DM, "herald_usb") < 0) - goto err3; - - if (gpio_request(HTCHERALD_GPIO_USB_DP, "herald_usb") < 0) - goto err4; - - /* force USB_EN GPIO to 0 */ - do { - /* output low */ - gpio_direction_output(HTCHERALD_GPIO_USB_EN1, 0); - } while ((value = gpio_get_value(HTCHERALD_GPIO_USB_EN1)) == 1 && - --tries); - - if (value == 1) - printk(KERN_WARNING "Unable to reset USB, trying to continue\n"); - - gpio_direction_output(HTCHERALD_GPIO_USB_EN2, 0); /* output low */ - gpio_direction_input(HTCHERALD_GPIO_USB_DM); /* input */ - gpio_direction_input(HTCHERALD_GPIO_USB_DP); /* input */ - - goto done; - -err4: - gpio_free(HTCHERALD_GPIO_USB_DM); -err3: - gpio_free(HTCHERALD_GPIO_USB_EN2); -err2: - gpio_free(HTCHERALD_GPIO_USB_EN1); -err1: - printk(KERN_ERR "Unabled to request GPIO for USB\n"); -done: - printk(KERN_INFO "USB setup complete.\n"); -} - -static void __init htcherald_init(void) -{ - printk(KERN_INFO "HTC Herald init.\n"); - - /* Do board initialization before we register all the devices */ - htcpld_resources[0].start = gpio_to_irq(HTCHERALD_GIRQ_BTNS); - htcpld_resources[0].end = gpio_to_irq(HTCHERALD_GIRQ_BTNS); - platform_add_devices(devices, ARRAY_SIZE(devices)); - - htcherald_disable_watchdog(); - - htcherald_usb_enable(); - omap1_usb_init(&htcherald_usb_config); - - htcherald_spi_board_info[0].irq = gpio_to_irq(HTCHERALD_GPIO_TS); - spi_register_board_info(htcherald_spi_board_info, - ARRAY_SIZE(htcherald_spi_board_info)); - - omap_register_i2c_bus(1, 100, NULL, 0); - -#if IS_ENABLED(CONFIG_MMC_OMAP) - htc_mmc_data[0] = &htc_mmc1_data; - omap1_init_mmc(htc_mmc_data, 1); -#endif - - omapfb_set_lcd_config(&htcherald_lcd_config); -} - -MACHINE_START(HERALD, "HTC Herald") - /* Maintainer: Cory Maccarrone <darkstar6262@gmail.com> */ - /* Maintainer: wing-linux.sourceforge.net */ - .atag_offset = 0x100, - .map_io = htcherald_map_io, - .init_early = omap1_init_early, - .init_irq = omap1_init_irq, - .handle_irq = omap1_handle_irq, - .init_machine = htcherald_init, - .init_late = omap1_init_late, - .init_time = omap1_timer_init, - .restart = omap1_restart, -MACHINE_END |