909 строки
24 KiB
C
909 строки
24 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-ams-delta.c
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*
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* Modified from board-generic.c
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*
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* Board specific inits for the Amstrad E3 (codename Delta) videophone
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*
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* Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/gpio/driver.h>
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#include <linux/gpio/machine.h>
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/machine.h>
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#include <linux/serial_8250.h>
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#include <linux/export.h>
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#include <linux/omapfb.h>
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#include <linux/io.h>
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#include <linux/platform_data/gpio-omap.h>
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#include <media/soc_camera.h>
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#include <asm/serial.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 <linux/platform_data/keypad-omap.h>
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#include <mach/mux.h>
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#include <mach/hardware.h>
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#include "camera.h"
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#include <mach/usb.h>
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#include "ams-delta-fiq.h"
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#include "board-ams-delta.h"
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#include "iomap.h"
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#include "common.h"
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static const unsigned int ams_delta_keymap[] = {
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KEY(0, 0, KEY_F1), /* Advert */
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KEY(0, 3, KEY_COFFEE), /* Games */
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KEY(0, 2, KEY_QUESTION), /* Directory */
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KEY(2, 3, KEY_CONNECT), /* Internet */
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KEY(1, 2, KEY_SHOP), /* Services */
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KEY(1, 1, KEY_PHONE), /* VoiceMail */
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KEY(0, 1, KEY_DELETE), /* Delete */
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KEY(2, 2, KEY_PLAY), /* Play */
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KEY(1, 0, KEY_PAGEUP), /* Up */
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KEY(1, 3, KEY_PAGEDOWN), /* Down */
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KEY(2, 0, KEY_EMAIL), /* ReadEmail */
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KEY(2, 1, KEY_STOP), /* Stop */
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/* Numeric keypad portion */
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KEY(0, 7, KEY_KP1),
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KEY(0, 6, KEY_KP2),
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KEY(0, 5, KEY_KP3),
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KEY(1, 7, KEY_KP4),
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KEY(1, 6, KEY_KP5),
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KEY(1, 5, KEY_KP6),
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KEY(2, 7, KEY_KP7),
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KEY(2, 6, KEY_KP8),
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KEY(2, 5, KEY_KP9),
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KEY(3, 6, KEY_KP0),
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KEY(3, 7, KEY_KPASTERISK),
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KEY(3, 5, KEY_KPDOT), /* # key */
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KEY(7, 2, KEY_NUMLOCK), /* Mute */
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KEY(7, 1, KEY_KPMINUS), /* Recall */
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KEY(6, 1, KEY_KPPLUS), /* Redial */
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KEY(7, 6, KEY_KPSLASH), /* Handsfree */
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KEY(6, 0, KEY_ENTER), /* Video */
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KEY(7, 4, KEY_CAMERA), /* Photo */
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KEY(0, 4, KEY_F2), /* Home */
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KEY(1, 4, KEY_F3), /* Office */
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KEY(2, 4, KEY_F4), /* Mobile */
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KEY(7, 7, KEY_F5), /* SMS */
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KEY(7, 5, KEY_F6), /* Email */
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/* QWERTY portion of keypad */
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KEY(3, 4, KEY_Q),
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KEY(3, 3, KEY_W),
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KEY(3, 2, KEY_E),
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KEY(3, 1, KEY_R),
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KEY(3, 0, KEY_T),
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KEY(4, 7, KEY_Y),
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KEY(4, 6, KEY_U),
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KEY(4, 5, KEY_I),
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KEY(4, 4, KEY_O),
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KEY(4, 3, KEY_P),
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KEY(4, 2, KEY_A),
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KEY(4, 1, KEY_S),
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KEY(4, 0, KEY_D),
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KEY(5, 7, KEY_F),
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KEY(5, 6, KEY_G),
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KEY(5, 5, KEY_H),
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KEY(5, 4, KEY_J),
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KEY(5, 3, KEY_K),
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KEY(5, 2, KEY_L),
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KEY(5, 1, KEY_Z),
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KEY(5, 0, KEY_X),
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KEY(6, 7, KEY_C),
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KEY(6, 6, KEY_V),
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KEY(6, 5, KEY_B),
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KEY(6, 4, KEY_N),
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KEY(6, 3, KEY_M),
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KEY(6, 2, KEY_SPACE),
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KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
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KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
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};
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#define LATCH1_PHYS 0x01000000
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#define LATCH1_VIRT 0xEA000000
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#define MODEM_PHYS 0x04000000
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#define MODEM_VIRT 0xEB000000
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#define LATCH2_PHYS 0x08000000
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#define LATCH2_VIRT 0xEC000000
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static struct map_desc ams_delta_io_desc[] __initdata = {
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/* AMS_DELTA_LATCH1 */
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{
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.virtual = LATCH1_VIRT,
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.pfn = __phys_to_pfn(LATCH1_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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/* AMS_DELTA_LATCH2 */
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{
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.virtual = LATCH2_VIRT,
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.pfn = __phys_to_pfn(LATCH2_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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/* AMS_DELTA_MODEM */
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{
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.virtual = MODEM_VIRT,
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.pfn = __phys_to_pfn(MODEM_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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}
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};
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static const struct omap_lcd_config ams_delta_lcd_config __initconst = {
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.ctrl_name = "internal",
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};
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static struct omap_usb_config ams_delta_usb_config __initdata = {
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.register_host = 1,
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.hmc_mode = 16,
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.pins[0] = 2,
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};
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#define LATCH1_NGPIO 8
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static struct resource latch1_resources[] = {
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[0] = {
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.name = "dat",
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.start = LATCH1_PHYS,
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.end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
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.flags = IORESOURCE_MEM,
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},
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};
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#define LATCH1_LABEL "latch1"
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static struct bgpio_pdata latch1_pdata = {
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.label = LATCH1_LABEL,
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.base = -1,
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.ngpio = LATCH1_NGPIO,
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};
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static struct platform_device latch1_gpio_device = {
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.name = "basic-mmio-gpio",
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.id = 0,
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.resource = latch1_resources,
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.num_resources = ARRAY_SIZE(latch1_resources),
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.dev = {
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.platform_data = &latch1_pdata,
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},
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};
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#define LATCH1_PIN_LED_CAMERA 0
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#define LATCH1_PIN_LED_ADVERT 1
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#define LATCH1_PIN_LED_MAIL 2
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#define LATCH1_PIN_LED_HANDSFREE 3
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#define LATCH1_PIN_LED_VOICEMAIL 4
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#define LATCH1_PIN_LED_VOICE 5
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#define LATCH1_PIN_DOCKIT1 6
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#define LATCH1_PIN_DOCKIT2 7
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#define LATCH2_NGPIO 16
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static struct resource latch2_resources[] = {
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[0] = {
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.name = "dat",
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.start = LATCH2_PHYS,
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.end = LATCH2_PHYS + (LATCH2_NGPIO - 1) / 8,
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.flags = IORESOURCE_MEM,
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},
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};
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#define LATCH2_LABEL "latch2"
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static struct bgpio_pdata latch2_pdata = {
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.label = LATCH2_LABEL,
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.base = -1,
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.ngpio = LATCH2_NGPIO,
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};
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static struct platform_device latch2_gpio_device = {
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.name = "basic-mmio-gpio",
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.id = 1,
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.resource = latch2_resources,
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.num_resources = ARRAY_SIZE(latch2_resources),
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.dev = {
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.platform_data = &latch2_pdata,
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},
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};
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#define LATCH2_PIN_LCD_VBLEN 0
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#define LATCH2_PIN_LCD_NDISP 1
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#define LATCH2_PIN_NAND_NCE 2
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#define LATCH2_PIN_NAND_NRE 3
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#define LATCH2_PIN_NAND_NWP 4
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#define LATCH2_PIN_NAND_NWE 5
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#define LATCH2_PIN_NAND_ALE 6
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#define LATCH2_PIN_NAND_CLE 7
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#define LATCH2_PIN_KEYBRD_PWR 8
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#define LATCH2_PIN_KEYBRD_DATAOUT 9
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#define LATCH2_PIN_SCARD_RSTIN 10
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#define LATCH2_PIN_SCARD_CMDVCC 11
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#define LATCH2_PIN_MODEM_NRESET 12
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#define LATCH2_PIN_MODEM_CODEC 13
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#define LATCH2_PIN_AUDIO_MUTE 14
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#define LATCH2_PIN_HOOKFLASH 15
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static struct regulator_consumer_supply modem_nreset_consumers[] = {
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REGULATOR_SUPPLY("RESET#", "serial8250.1"),
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REGULATOR_SUPPLY("POR", "cx20442-codec"),
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};
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static struct regulator_init_data modem_nreset_data = {
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.constraints = {
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
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.consumer_supplies = modem_nreset_consumers,
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};
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static struct fixed_voltage_config modem_nreset_config = {
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.supply_name = "modem_nreset",
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.microvolts = 3300000,
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.startup_delay = 25000,
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.enabled_at_boot = 1,
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.init_data = &modem_nreset_data,
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};
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static struct platform_device modem_nreset_device = {
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.name = "reg-fixed-voltage",
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.id = -1,
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.dev = {
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.platform_data = &modem_nreset_config,
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},
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};
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static struct gpiod_lookup_table ams_delta_nreset_gpiod_table = {
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.dev_id = "reg-fixed-voltage",
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.table = {
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_MODEM_NRESET,
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NULL, GPIO_ACTIVE_HIGH),
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{ },
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},
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};
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struct modem_private_data {
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struct regulator *regulator;
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};
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static struct modem_private_data modem_priv;
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static struct platform_device ams_delta_nand_device = {
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.name = "ams-delta-nand",
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.id = -1,
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};
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#define OMAP_GPIO_LABEL "gpio-0-15"
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#define OMAP_MPUIO_LABEL "mpuio"
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static struct gpiod_lookup_table ams_delta_nand_gpio_table = {
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.table = {
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GPIO_LOOKUP(OMAP_GPIO_LABEL, AMS_DELTA_GPIO_PIN_NAND_RB, "rdy",
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0),
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NCE, "nce", 0),
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NRE, "nre", 0),
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NWP, "nwp", 0),
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NWE, "nwe", 0),
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_ALE, "ale", 0),
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_CLE, "cle", 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 0, "data", 0, 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 1, "data", 1, 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 2, "data", 2, 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 3, "data", 3, 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 4, "data", 4, 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 5, "data", 5, 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 6, "data", 6, 0),
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GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 7, "data", 7, 0),
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{ },
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},
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};
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static struct resource ams_delta_kp_resources[] = {
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[0] = {
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.start = INT_KEYBOARD,
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.end = INT_KEYBOARD,
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.flags = IORESOURCE_IRQ,
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},
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};
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static const struct matrix_keymap_data ams_delta_keymap_data = {
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.keymap = ams_delta_keymap,
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.keymap_size = ARRAY_SIZE(ams_delta_keymap),
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};
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static struct omap_kp_platform_data ams_delta_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap_data = &ams_delta_keymap_data,
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.delay = 9,
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};
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static struct platform_device ams_delta_kp_device = {
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.name = "omap-keypad",
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.id = -1,
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.dev = {
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.platform_data = &ams_delta_kp_data,
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},
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.num_resources = ARRAY_SIZE(ams_delta_kp_resources),
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.resource = ams_delta_kp_resources,
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};
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static struct platform_device ams_delta_lcd_device = {
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.name = "lcd_ams_delta",
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.id = -1,
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};
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static struct gpiod_lookup_table ams_delta_lcd_gpio_table = {
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.table = {
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_LCD_VBLEN, "vblen", 0),
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GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_LCD_NDISP, "ndisp", 0),
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{ },
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},
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};
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static struct gpio_led gpio_leds[] __initdata = {
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[LATCH1_PIN_LED_CAMERA] = {
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.name = "camera",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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#ifdef CONFIG_LEDS_TRIGGERS
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.default_trigger = "ams_delta_camera",
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#endif
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},
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[LATCH1_PIN_LED_ADVERT] = {
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.name = "advert",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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[LATCH1_PIN_LED_MAIL] = {
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.name = "email",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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[LATCH1_PIN_LED_HANDSFREE] = {
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.name = "handsfree",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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[LATCH1_PIN_LED_VOICEMAIL] = {
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.name = "voicemail",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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[LATCH1_PIN_LED_VOICE] = {
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.name = "voice",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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};
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static const struct gpio_led_platform_data leds_pdata __initconst = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct gpiod_lookup_table leds_gpio_table = {
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.table = {
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GPIO_LOOKUP_IDX(LATCH1_LABEL, LATCH1_PIN_LED_CAMERA, NULL,
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LATCH1_PIN_LED_CAMERA, 0),
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GPIO_LOOKUP_IDX(LATCH1_LABEL, LATCH1_PIN_LED_ADVERT, NULL,
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LATCH1_PIN_LED_ADVERT, 0),
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GPIO_LOOKUP_IDX(LATCH1_LABEL, LATCH1_PIN_LED_MAIL, NULL,
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LATCH1_PIN_LED_MAIL, 0),
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GPIO_LOOKUP_IDX(LATCH1_LABEL, LATCH1_PIN_LED_HANDSFREE, NULL,
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LATCH1_PIN_LED_HANDSFREE, 0),
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GPIO_LOOKUP_IDX(LATCH1_LABEL, LATCH1_PIN_LED_VOICEMAIL, NULL,
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LATCH1_PIN_LED_VOICEMAIL, 0),
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GPIO_LOOKUP_IDX(LATCH1_LABEL, LATCH1_PIN_LED_VOICE, NULL,
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LATCH1_PIN_LED_VOICE, 0),
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{ },
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},
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};
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static struct i2c_board_info ams_delta_camera_board_info[] = {
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{
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I2C_BOARD_INFO("ov6650", 0x60),
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},
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};
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#ifdef CONFIG_LEDS_TRIGGERS
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DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
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static int ams_delta_camera_power(struct device *dev, int power)
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{
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/*
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* turn on camera LED
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*/
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if (power)
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led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
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else
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led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
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return 0;
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}
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#else
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#define ams_delta_camera_power NULL
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#endif
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static struct soc_camera_link ams_delta_iclink = {
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.bus_id = 0, /* OMAP1 SoC camera bus */
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.i2c_adapter_id = 1,
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.board_info = &ams_delta_camera_board_info[0],
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.module_name = "ov6650",
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.power = ams_delta_camera_power,
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};
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static struct platform_device ams_delta_camera_device = {
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.name = "soc-camera-pdrv",
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.id = 0,
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.dev = {
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.platform_data = &ams_delta_iclink,
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},
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};
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static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
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.camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
|
|
.lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
|
|
};
|
|
|
|
static struct platform_device ams_delta_audio_device = {
|
|
.name = "ams-delta-audio",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct gpiod_lookup_table ams_delta_audio_gpio_table = {
|
|
.table = {
|
|
GPIO_LOOKUP(OMAP_GPIO_LABEL, AMS_DELTA_GPIO_PIN_HOOK_SWITCH,
|
|
"hook_switch", 0),
|
|
GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_MODEM_CODEC,
|
|
"modem_codec", 0),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static struct platform_device cx20442_codec_device = {
|
|
.name = "cx20442-codec",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct resource ams_delta_serio_resources[] = {
|
|
{
|
|
.flags = IORESOURCE_IRQ,
|
|
/*
|
|
* Initialize IRQ resource with invalid IRQ number.
|
|
* It will be replaced with dynamically allocated GPIO IRQ
|
|
* obtained from GPIO chip as soon as the chip is available.
|
|
*/
|
|
.start = -EINVAL,
|
|
.end = -EINVAL,
|
|
},
|
|
};
|
|
|
|
static struct platform_device ams_delta_serio_device = {
|
|
.name = "ams-delta-serio",
|
|
.id = PLATFORM_DEVID_NONE,
|
|
.dev = {
|
|
/*
|
|
* Initialize .platform_data explicitly with NULL to
|
|
* indicate it is going to be used. It will be replaced
|
|
* with FIQ buffer address as soon as FIQ is initialized.
|
|
*/
|
|
.platform_data = NULL,
|
|
},
|
|
.num_resources = ARRAY_SIZE(ams_delta_serio_resources),
|
|
.resource = ams_delta_serio_resources,
|
|
};
|
|
|
|
static struct regulator_consumer_supply keybrd_pwr_consumers[] = {
|
|
/*
|
|
* Initialize supply .dev_name with NULL. It will be replaced
|
|
* with serio dev_name() as soon as the serio device is registered.
|
|
*/
|
|
REGULATOR_SUPPLY("vcc", NULL),
|
|
};
|
|
|
|
static struct regulator_init_data keybrd_pwr_initdata = {
|
|
.constraints = {
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(keybrd_pwr_consumers),
|
|
.consumer_supplies = keybrd_pwr_consumers,
|
|
};
|
|
|
|
static struct fixed_voltage_config keybrd_pwr_config = {
|
|
.supply_name = "keybrd_pwr",
|
|
.microvolts = 5000000,
|
|
.init_data = &keybrd_pwr_initdata,
|
|
};
|
|
|
|
static struct platform_device keybrd_pwr_device = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = PLATFORM_DEVID_AUTO,
|
|
.dev = {
|
|
.platform_data = &keybrd_pwr_config,
|
|
},
|
|
};
|
|
|
|
static struct gpiod_lookup_table keybrd_pwr_gpio_table = {
|
|
.table = {
|
|
GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_KEYBRD_PWR, NULL,
|
|
GPIO_ACTIVE_HIGH),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static struct platform_device *ams_delta_devices[] __initdata = {
|
|
&latch1_gpio_device,
|
|
&latch2_gpio_device,
|
|
&ams_delta_kp_device,
|
|
&ams_delta_camera_device,
|
|
&ams_delta_audio_device,
|
|
&ams_delta_serio_device,
|
|
&ams_delta_nand_device,
|
|
&ams_delta_lcd_device,
|
|
&cx20442_codec_device,
|
|
};
|
|
|
|
static struct gpiod_lookup_table *ams_delta_gpio_tables[] __initdata = {
|
|
&ams_delta_nreset_gpiod_table,
|
|
&ams_delta_audio_gpio_table,
|
|
&keybrd_pwr_gpio_table,
|
|
&ams_delta_lcd_gpio_table,
|
|
&ams_delta_nand_gpio_table,
|
|
};
|
|
|
|
/*
|
|
* Some drivers may not use GPIO lookup tables but need to be provided
|
|
* with GPIO numbers. The same applies to GPIO based IRQ lines - some
|
|
* drivers may even not use GPIO layer but expect just IRQ numbers.
|
|
* We could either define GPIO lookup tables then use them on behalf
|
|
* of those devices, or we can use GPIO driver level methods for
|
|
* identification of GPIO and IRQ numbers. For the purpose of the latter,
|
|
* defina a helper function which identifies GPIO chips by their labels.
|
|
*/
|
|
static int gpiochip_match_by_label(struct gpio_chip *chip, void *data)
|
|
{
|
|
char *label = data;
|
|
|
|
return !strcmp(label, chip->label);
|
|
}
|
|
|
|
static struct gpiod_hog ams_delta_gpio_hogs[] = {
|
|
GPIO_HOG(LATCH2_LABEL, LATCH2_PIN_KEYBRD_DATAOUT, "keybrd_dataout",
|
|
GPIO_ACTIVE_HIGH, GPIOD_OUT_LOW),
|
|
GPIO_HOG(LATCH2_LABEL, LATCH2_PIN_AUDIO_MUTE, "audio_mute",
|
|
GPIO_ACTIVE_HIGH, GPIOD_OUT_LOW),
|
|
{},
|
|
};
|
|
|
|
static struct plat_serial8250_port ams_delta_modem_ports[];
|
|
|
|
/*
|
|
* Obtain MODEM IRQ GPIO descriptor using its hardware pin
|
|
* number and assign related IRQ number to the MODEM port.
|
|
* Keep the GPIO descriptor open so nobody steps in.
|
|
*/
|
|
static void __init modem_assign_irq(struct gpio_chip *chip)
|
|
{
|
|
struct gpio_desc *gpiod;
|
|
|
|
gpiod = gpiochip_request_own_desc(chip, AMS_DELTA_GPIO_PIN_MODEM_IRQ,
|
|
"modem_irq", 0);
|
|
if (IS_ERR(gpiod)) {
|
|
pr_err("%s: modem IRQ GPIO request failed (%ld)\n", __func__,
|
|
PTR_ERR(gpiod));
|
|
} else {
|
|
gpiod_direction_input(gpiod);
|
|
ams_delta_modem_ports[0].irq = gpiod_to_irq(gpiod);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The purpose of this function is to take care of proper initialization of
|
|
* devices and data structures which depend on GPIO lines provided by OMAP GPIO
|
|
* banks but their drivers don't use GPIO lookup tables or GPIO layer at all.
|
|
* The function may be called as soon as OMAP GPIO devices are probed.
|
|
* Since that happens at postcore_initcall, it can be called successfully
|
|
* from init_machine or later.
|
|
* Dependent devices may be registered from within this function or later.
|
|
*/
|
|
static void __init omap_gpio_deps_init(void)
|
|
{
|
|
struct gpio_chip *chip;
|
|
|
|
chip = gpiochip_find(OMAP_GPIO_LABEL, gpiochip_match_by_label);
|
|
if (!chip) {
|
|
pr_err("%s: OMAP GPIO chip not found\n", __func__);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Start with FIQ initialization as it may have to request
|
|
* and release successfully each OMAP GPIO pin in turn.
|
|
*/
|
|
ams_delta_init_fiq(chip, &ams_delta_serio_device);
|
|
|
|
modem_assign_irq(chip);
|
|
}
|
|
|
|
/*
|
|
* Initialize latch2 pins with values which are safe for dependent on-board
|
|
* devices or useful for their successull initialization even before GPIO
|
|
* driver takes control over the latch pins:
|
|
* - LATCH2_PIN_LCD_VBLEN = 0
|
|
* - LATCH2_PIN_LCD_NDISP = 0 Keep LCD device powered off before its
|
|
* driver takes control over it.
|
|
* - LATCH2_PIN_NAND_NCE = 0
|
|
* - LATCH2_PIN_NAND_NWP = 0 Keep NAND device down and write-
|
|
* protected before its driver takes
|
|
* control over it.
|
|
* - LATCH2_PIN_KEYBRD_PWR = 0 Keep keyboard powered off before serio
|
|
* driver takes control over it.
|
|
* - LATCH2_PIN_KEYBRD_DATAOUT = 0 Keep low to avoid corruption of first
|
|
* byte of data received from attached
|
|
* keyboard when serio device is probed;
|
|
* the pin is also hogged low by the latch2
|
|
* GPIO driver as soon as it is ready.
|
|
* - LATCH2_PIN_MODEM_NRESET = 1 Enable voice MODEM device, allowing for
|
|
* its successful probe even before a
|
|
* regulator it depends on, which in turn
|
|
* takes control over the pin, is set up.
|
|
* - LATCH2_PIN_MODEM_CODEC = 1 Attach voice MODEM CODEC data port
|
|
* to the MODEM so the CODEC is under
|
|
* control even if audio driver doesn't
|
|
* take it over.
|
|
*/
|
|
static void __init ams_delta_latch2_init(void)
|
|
{
|
|
u16 latch2 = 1 << LATCH2_PIN_MODEM_NRESET | 1 << LATCH2_PIN_MODEM_CODEC;
|
|
|
|
__raw_writew(latch2, LATCH2_VIRT);
|
|
}
|
|
|
|
static void __init ams_delta_init(void)
|
|
{
|
|
struct platform_device *leds_pdev;
|
|
|
|
/* mux pins for uarts */
|
|
omap_cfg_reg(UART1_TX);
|
|
omap_cfg_reg(UART1_RTS);
|
|
|
|
/* parallel camera interface */
|
|
omap_cfg_reg(H19_1610_CAM_EXCLK);
|
|
omap_cfg_reg(J15_1610_CAM_LCLK);
|
|
omap_cfg_reg(L18_1610_CAM_VS);
|
|
omap_cfg_reg(L15_1610_CAM_HS);
|
|
omap_cfg_reg(L19_1610_CAM_D0);
|
|
omap_cfg_reg(K14_1610_CAM_D1);
|
|
omap_cfg_reg(K15_1610_CAM_D2);
|
|
omap_cfg_reg(K19_1610_CAM_D3);
|
|
omap_cfg_reg(K18_1610_CAM_D4);
|
|
omap_cfg_reg(J14_1610_CAM_D5);
|
|
omap_cfg_reg(J19_1610_CAM_D6);
|
|
omap_cfg_reg(J18_1610_CAM_D7);
|
|
|
|
omap_gpio_deps_init();
|
|
ams_delta_latch2_init();
|
|
gpiod_add_hogs(ams_delta_gpio_hogs);
|
|
|
|
omap_serial_init();
|
|
omap_register_i2c_bus(1, 100, NULL, 0);
|
|
|
|
omap1_usb_init(&ams_delta_usb_config);
|
|
omap1_set_camera_info(&ams_delta_camera_platform_data);
|
|
#ifdef CONFIG_LEDS_TRIGGERS
|
|
led_trigger_register_simple("ams_delta_camera",
|
|
&ams_delta_camera_led_trigger);
|
|
#endif
|
|
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
|
|
|
|
/*
|
|
* As soon as regulator consumers have been registered, assign their
|
|
* dev_names to consumer supply entries of respective regulators.
|
|
*/
|
|
keybrd_pwr_consumers[0].dev_name =
|
|
dev_name(&ams_delta_serio_device.dev);
|
|
|
|
/*
|
|
* Once consumer supply entries are populated with dev_names,
|
|
* register regulator devices. At this stage only the keyboard
|
|
* power regulator has its consumer supply table fully populated.
|
|
*/
|
|
platform_device_register(&keybrd_pwr_device);
|
|
|
|
/*
|
|
* As soon as GPIO consumers have been registered, assign
|
|
* their dev_names to respective GPIO lookup tables.
|
|
*/
|
|
ams_delta_audio_gpio_table.dev_id =
|
|
dev_name(&ams_delta_audio_device.dev);
|
|
keybrd_pwr_gpio_table.dev_id = dev_name(&keybrd_pwr_device.dev);
|
|
ams_delta_nand_gpio_table.dev_id = dev_name(&ams_delta_nand_device.dev);
|
|
ams_delta_lcd_gpio_table.dev_id = dev_name(&ams_delta_lcd_device.dev);
|
|
|
|
/*
|
|
* Once GPIO lookup tables are populated with dev_names, register them.
|
|
*/
|
|
gpiod_add_lookup_tables(ams_delta_gpio_tables,
|
|
ARRAY_SIZE(ams_delta_gpio_tables));
|
|
|
|
leds_pdev = gpio_led_register_device(PLATFORM_DEVID_NONE, &leds_pdata);
|
|
if (!IS_ERR_OR_NULL(leds_pdev)) {
|
|
leds_gpio_table.dev_id = dev_name(&leds_pdev->dev);
|
|
gpiod_add_lookup_table(&leds_gpio_table);
|
|
}
|
|
|
|
omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
|
|
|
|
omapfb_set_lcd_config(&ams_delta_lcd_config);
|
|
}
|
|
|
|
static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
|
|
{
|
|
struct modem_private_data *priv = port->private_data;
|
|
int ret;
|
|
|
|
if (!priv)
|
|
return;
|
|
|
|
if (IS_ERR(priv->regulator))
|
|
return;
|
|
|
|
if (state == old)
|
|
return;
|
|
|
|
if (state == 0)
|
|
ret = regulator_enable(priv->regulator);
|
|
else if (old == 0)
|
|
ret = regulator_disable(priv->regulator);
|
|
else
|
|
ret = 0;
|
|
|
|
if (ret)
|
|
dev_warn(port->dev,
|
|
"ams_delta modem_pm: failed to %sable regulator: %d\n",
|
|
state ? "dis" : "en", ret);
|
|
}
|
|
|
|
static struct plat_serial8250_port ams_delta_modem_ports[] = {
|
|
{
|
|
.membase = IOMEM(MODEM_VIRT),
|
|
.mapbase = MODEM_PHYS,
|
|
.irq = IRQ_NOTCONNECTED, /* changed later */
|
|
.flags = UPF_BOOT_AUTOCONF,
|
|
.irqflags = IRQF_TRIGGER_RISING,
|
|
.iotype = UPIO_MEM,
|
|
.regshift = 1,
|
|
.uartclk = BASE_BAUD * 16,
|
|
.pm = modem_pm,
|
|
.private_data = &modem_priv,
|
|
},
|
|
{ },
|
|
};
|
|
|
|
static struct platform_device ams_delta_modem_device = {
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_PLATFORM1,
|
|
.dev = {
|
|
.platform_data = ams_delta_modem_ports,
|
|
},
|
|
};
|
|
|
|
static int __init modem_nreset_init(void)
|
|
{
|
|
int err;
|
|
|
|
err = platform_device_register(&modem_nreset_device);
|
|
if (err)
|
|
pr_err("Couldn't register the modem regulator device\n");
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
/*
|
|
* This function expects MODEM IRQ number already assigned to the port.
|
|
* The MODEM device requires its RESET# pin kept high during probe.
|
|
* That requirement can be fulfilled in several ways:
|
|
* - with a descriptor of already functional modem_nreset regulator
|
|
* assigned to the MODEM private data,
|
|
* - with the regulator not yet controlled by modem_pm function but
|
|
* already enabled by default on probe,
|
|
* - before the modem_nreset regulator is probed, with the pin already
|
|
* set high explicitly.
|
|
* The last one is already guaranteed by ams_delta_latch2_init() called
|
|
* from machine_init.
|
|
* In order to avoid taking over ttyS0 device slot, the MODEM device
|
|
* should be registered after OMAP serial ports. Since those ports
|
|
* are registered at arch_initcall, this function can be called safely
|
|
* at arch_initcall_sync earliest.
|
|
*/
|
|
static int __init ams_delta_modem_init(void)
|
|
{
|
|
int err;
|
|
|
|
if (!machine_is_ams_delta())
|
|
return -ENODEV;
|
|
|
|
omap_cfg_reg(M14_1510_GPIO2);
|
|
|
|
/* Initialize the modem_nreset regulator consumer before use */
|
|
modem_priv.regulator = ERR_PTR(-ENODEV);
|
|
|
|
err = platform_device_register(&ams_delta_modem_device);
|
|
|
|
return err;
|
|
}
|
|
arch_initcall_sync(ams_delta_modem_init);
|
|
|
|
static int __init late_init(void)
|
|
{
|
|
int err;
|
|
|
|
err = modem_nreset_init();
|
|
if (err)
|
|
return err;
|
|
|
|
/*
|
|
* Once the modem device is registered, the modem_nreset
|
|
* regulator can be requested on behalf of that device.
|
|
*/
|
|
modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
|
|
"RESET#");
|
|
if (IS_ERR(modem_priv.regulator)) {
|
|
err = PTR_ERR(modem_priv.regulator);
|
|
goto unregister;
|
|
}
|
|
return 0;
|
|
|
|
unregister:
|
|
platform_device_unregister(&ams_delta_modem_device);
|
|
return err;
|
|
}
|
|
|
|
static void __init ams_delta_init_late(void)
|
|
{
|
|
omap1_init_late();
|
|
late_init();
|
|
}
|
|
|
|
static void __init ams_delta_map_io(void)
|
|
{
|
|
omap15xx_map_io();
|
|
iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
|
|
}
|
|
|
|
MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
|
|
/* Maintainer: Jonathan McDowell <noodles@earth.li> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ams_delta_map_io,
|
|
.init_early = omap1_init_early,
|
|
.init_irq = omap1_init_irq,
|
|
.handle_irq = omap1_handle_irq,
|
|
.init_machine = ams_delta_init,
|
|
.init_late = ams_delta_init_late,
|
|
.init_time = omap1_timer_init,
|
|
.restart = omap1_restart,
|
|
MACHINE_END
|