linux/arch/arm/mach-omap1/board-ams-delta.c
Linus Torvalds 6b5a12dbca ARM: SoC multiplatform code changes for v4.5
This branch is the culmination of 5 years of effort to bring the ARMv6
 and ARMv7 platforms together such that they can all be enabled and
 boot the same kernel. It has been a tremendous amount of cleanup and
 refactoring by a huge number of people, and creation of several new
 (and major) subsystems to better abstract out all the platform details
 in an appropriate manner.
 
 The bulk of this branch is a large patchset from Arnd that brings several
 of the more minor and older platforms we have closer to multiplatform
 support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview
 Much of this is moving around header files from old mach directories,
 but there are also some cleanup patches of debug_ll (lowlevel debug
 per-platform options) and other parts.
 
 Linus Walleij also has some patchs to clean up the older ARM Realview
 platforms by finally introducing DT support, and Rob Herring has some
 for ARM Versatile which is now DT-only. Both of these platforms are
 now multiplatform.
 
 Finally, a couple of patches from Russell for Dove PMU, and a fix from
 Valentin Rothberg for Exynos ADC, which were rebased on top of the
 series to avoid conflicts.
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code updates from Arnd Bergmann:
 "This branch is the culmination of 5 years of effort to bring the ARMv6
  and ARMv7 platforms together such that they can all be enabled and
  boot the same kernel.  It has been a tremendous amount of cleanup and
  refactoring by a huge number of people, and creation of several new
  (and major) subsystems to better abstract out all the platform details
  in an appropriate manner.

  The bulk of this branch is a large patchset from Arnd that brings
  several of the more minor and older platforms we have closer to
  multiplatform support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0
  and realview Much of this is moving around header files from old mach
  directories, but there are also some cleanup patches of debug_ll
  (lowlevel debug per-platform options) and other parts.

  Linus Walleij also has some patchs to clean up the older ARM Realview
  platforms by finally introducing DT support, and Rob Herring has some
  for ARM Versatile which is now DT-only.  Both of these platforms are
  now multiplatform.

  Finally, a couple of patches from Russell for Dove PMU, and a fix from
  Valentin Rothberg for Exynos ADC, which were rebased on top of the
  series to avoid conflicts"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
  ARM: realview: don't select SMP_ON_UP for UP builds
  ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
  ARM: s3c64xx: fix pm-debug compilation
  iio: exynos-adc: fix irqf_oneshot.cocci warnings
  ARM: realview: build realview-dt SMP support only when used
  ARM: realview: select apropriate targets
  ARM: realview: clean up header files
  ARM: realview: make all header files local
  ARM: no longer make CPU targets visible separately
  ARM: integrator: use explicit core module options
  ARM: realview: enable multiplatform
  ARM: make default platform work for NOMMU
  ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
  ARM: defconfig: use correct debug_ll settings
  ARM: versatile: convert to multi-platform
  ARM: versatile: merge mach code into a single file
  ARM: versatile: switch to DT only booting and remove legacy code
  ARM: versatile: add DT based PCI detection
  ARM: pxa: mark ezx structures as __maybe_unused
  ARM: pxa: mark raumfeld init functions as __maybe_unused
  ...
2016-01-20 18:03:56 -08:00

635 lines
15 KiB
C

/*
* linux/arch/arm/mach-omap1/board-ams-delta.c
*
* Modified from board-generic.c
*
* Board specific inits for the Amstrad E3 (codename Delta) videophone
*
* Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/gpio/driver.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/serial_8250.h>
#include <linux/export.h>
#include <linux/omapfb.h>
#include <linux/io.h>
#include <linux/platform_data/gpio-omap.h>
#include <media/soc_camera.h>
#include <asm/serial.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/board-ams-delta.h>
#include <linux/platform_data/keypad-omap.h>
#include <mach/mux.h>
#include <mach/hardware.h>
#include <mach/ams-delta-fiq.h>
#include "camera.h"
#include <mach/usb.h>
#include "iomap.h"
#include "common.h"
static const unsigned int ams_delta_keymap[] = {
KEY(0, 0, KEY_F1), /* Advert */
KEY(0, 3, KEY_COFFEE), /* Games */
KEY(0, 2, KEY_QUESTION), /* Directory */
KEY(2, 3, KEY_CONNECT), /* Internet */
KEY(1, 2, KEY_SHOP), /* Services */
KEY(1, 1, KEY_PHONE), /* VoiceMail */
KEY(0, 1, KEY_DELETE), /* Delete */
KEY(2, 2, KEY_PLAY), /* Play */
KEY(1, 0, KEY_PAGEUP), /* Up */
KEY(1, 3, KEY_PAGEDOWN), /* Down */
KEY(2, 0, KEY_EMAIL), /* ReadEmail */
KEY(2, 1, KEY_STOP), /* Stop */
/* Numeric keypad portion */
KEY(0, 7, KEY_KP1),
KEY(0, 6, KEY_KP2),
KEY(0, 5, KEY_KP3),
KEY(1, 7, KEY_KP4),
KEY(1, 6, KEY_KP5),
KEY(1, 5, KEY_KP6),
KEY(2, 7, KEY_KP7),
KEY(2, 6, KEY_KP8),
KEY(2, 5, KEY_KP9),
KEY(3, 6, KEY_KP0),
KEY(3, 7, KEY_KPASTERISK),
KEY(3, 5, KEY_KPDOT), /* # key */
KEY(7, 2, KEY_NUMLOCK), /* Mute */
KEY(7, 1, KEY_KPMINUS), /* Recall */
KEY(6, 1, KEY_KPPLUS), /* Redial */
KEY(7, 6, KEY_KPSLASH), /* Handsfree */
KEY(6, 0, KEY_ENTER), /* Video */
KEY(7, 4, KEY_CAMERA), /* Photo */
KEY(0, 4, KEY_F2), /* Home */
KEY(1, 4, KEY_F3), /* Office */
KEY(2, 4, KEY_F4), /* Mobile */
KEY(7, 7, KEY_F5), /* SMS */
KEY(7, 5, KEY_F6), /* Email */
/* QWERTY portion of keypad */
KEY(3, 4, KEY_Q),
KEY(3, 3, KEY_W),
KEY(3, 2, KEY_E),
KEY(3, 1, KEY_R),
KEY(3, 0, KEY_T),
KEY(4, 7, KEY_Y),
KEY(4, 6, KEY_U),
KEY(4, 5, KEY_I),
KEY(4, 4, KEY_O),
KEY(4, 3, KEY_P),
KEY(4, 2, KEY_A),
KEY(4, 1, KEY_S),
KEY(4, 0, KEY_D),
KEY(5, 7, KEY_F),
KEY(5, 6, KEY_G),
KEY(5, 5, KEY_H),
KEY(5, 4, KEY_J),
KEY(5, 3, KEY_K),
KEY(5, 2, KEY_L),
KEY(5, 1, KEY_Z),
KEY(5, 0, KEY_X),
KEY(6, 7, KEY_C),
KEY(6, 6, KEY_V),
KEY(6, 5, KEY_B),
KEY(6, 4, KEY_N),
KEY(6, 3, KEY_M),
KEY(6, 2, KEY_SPACE),
KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
};
#define LATCH1_PHYS 0x01000000
#define LATCH1_VIRT 0xEA000000
#define MODEM_PHYS 0x04000000
#define MODEM_VIRT 0xEB000000
#define LATCH2_PHYS 0x08000000
#define LATCH2_VIRT 0xEC000000
static struct map_desc ams_delta_io_desc[] __initdata = {
/* AMS_DELTA_LATCH1 */
{
.virtual = LATCH1_VIRT,
.pfn = __phys_to_pfn(LATCH1_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
},
/* AMS_DELTA_LATCH2 */
{
.virtual = LATCH2_VIRT,
.pfn = __phys_to_pfn(LATCH2_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
},
/* AMS_DELTA_MODEM */
{
.virtual = MODEM_VIRT,
.pfn = __phys_to_pfn(MODEM_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
}
};
static struct omap_lcd_config ams_delta_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_usb_config ams_delta_usb_config __initdata = {
.register_host = 1,
.hmc_mode = 16,
.pins[0] = 2,
};
#define LATCH1_GPIO_BASE 232
#define LATCH1_NGPIO 8
static struct resource latch1_resources[] = {
[0] = {
.name = "dat",
.start = LATCH1_PHYS,
.end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
.flags = IORESOURCE_MEM,
},
};
static struct bgpio_pdata latch1_pdata = {
.base = LATCH1_GPIO_BASE,
.ngpio = LATCH1_NGPIO,
};
static struct platform_device latch1_gpio_device = {
.name = "basic-mmio-gpio",
.id = 0,
.resource = latch1_resources,
.num_resources = ARRAY_SIZE(latch1_resources),
.dev = {
.platform_data = &latch1_pdata,
},
};
static struct resource latch2_resources[] = {
[0] = {
.name = "dat",
.start = LATCH2_PHYS,
.end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
.flags = IORESOURCE_MEM,
},
};
static struct bgpio_pdata latch2_pdata = {
.base = AMS_DELTA_LATCH2_GPIO_BASE,
.ngpio = AMS_DELTA_LATCH2_NGPIO,
};
static struct platform_device latch2_gpio_device = {
.name = "basic-mmio-gpio",
.id = 1,
.resource = latch2_resources,
.num_resources = ARRAY_SIZE(latch2_resources),
.dev = {
.platform_data = &latch2_pdata,
},
};
static const struct gpio latch_gpios[] __initconst = {
{
.gpio = LATCH1_GPIO_BASE + 6,
.flags = GPIOF_OUT_INIT_LOW,
.label = "dockit1",
},
{
.gpio = LATCH1_GPIO_BASE + 7,
.flags = GPIOF_OUT_INIT_LOW,
.label = "dockit2",
},
{
.gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
.flags = GPIOF_OUT_INIT_LOW,
.label = "scard_rstin",
},
{
.gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
.flags = GPIOF_OUT_INIT_LOW,
.label = "scard_cmdvcc",
},
{
.gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
.flags = GPIOF_OUT_INIT_LOW,
.label = "modem_codec",
},
{
.gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
.flags = GPIOF_OUT_INIT_LOW,
.label = "hookflash1",
},
{
.gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
.flags = GPIOF_OUT_INIT_LOW,
.label = "hookflash2",
},
};
static struct regulator_consumer_supply modem_nreset_consumers[] = {
REGULATOR_SUPPLY("RESET#", "serial8250.1"),
REGULATOR_SUPPLY("POR", "cx20442-codec"),
};
static struct regulator_init_data modem_nreset_data = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
.boot_on = 1,
},
.num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
.consumer_supplies = modem_nreset_consumers,
};
static struct fixed_voltage_config modem_nreset_config = {
.supply_name = "modem_nreset",
.microvolts = 3300000,
.gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
.startup_delay = 25000,
.enable_high = 1,
.enabled_at_boot = 1,
.init_data = &modem_nreset_data,
};
static struct platform_device modem_nreset_device = {
.name = "reg-fixed-voltage",
.id = -1,
.dev = {
.platform_data = &modem_nreset_config,
},
};
struct modem_private_data {
struct regulator *regulator;
};
static struct modem_private_data modem_priv;
void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
{
int bit = 0;
u16 bitpos = 1 << bit;
for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
if (!(mask & bitpos))
continue;
else
gpio_set_value(base + bit, (value & bitpos) != 0);
}
}
EXPORT_SYMBOL(ams_delta_latch_write);
static struct resource ams_delta_nand_resources[] = {
[0] = {
.start = OMAP1_MPUIO_BASE,
.end = OMAP1_MPUIO_BASE +
OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ams_delta_nand_device = {
.name = "ams-delta-nand",
.id = -1,
.num_resources = ARRAY_SIZE(ams_delta_nand_resources),
.resource = ams_delta_nand_resources,
};
static struct resource ams_delta_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static const struct matrix_keymap_data ams_delta_keymap_data = {
.keymap = ams_delta_keymap,
.keymap_size = ARRAY_SIZE(ams_delta_keymap),
};
static struct omap_kp_platform_data ams_delta_kp_data = {
.rows = 8,
.cols = 8,
.keymap_data = &ams_delta_keymap_data,
.delay = 9,
};
static struct platform_device ams_delta_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &ams_delta_kp_data,
},
.num_resources = ARRAY_SIZE(ams_delta_kp_resources),
.resource = ams_delta_kp_resources,
};
static struct platform_device ams_delta_lcd_device = {
.name = "lcd_ams_delta",
.id = -1,
};
static const struct gpio_led gpio_leds[] __initconst = {
{
.name = "camera",
.gpio = LATCH1_GPIO_BASE + 0,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
#ifdef CONFIG_LEDS_TRIGGERS
.default_trigger = "ams_delta_camera",
#endif
},
{
.name = "advert",
.gpio = LATCH1_GPIO_BASE + 1,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
},
{
.name = "email",
.gpio = LATCH1_GPIO_BASE + 2,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
},
{
.name = "handsfree",
.gpio = LATCH1_GPIO_BASE + 3,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
},
{
.name = "voicemail",
.gpio = LATCH1_GPIO_BASE + 4,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
},
{
.name = "voice",
.gpio = LATCH1_GPIO_BASE + 5,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
},
};
static const struct gpio_led_platform_data leds_pdata __initconst = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
};
static struct i2c_board_info ams_delta_camera_board_info[] = {
{
I2C_BOARD_INFO("ov6650", 0x60),
},
};
#ifdef CONFIG_LEDS_TRIGGERS
DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
static int ams_delta_camera_power(struct device *dev, int power)
{
/*
* turn on camera LED
*/
if (power)
led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
else
led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
return 0;
}
#else
#define ams_delta_camera_power NULL
#endif
static struct soc_camera_link ams_delta_iclink = {
.bus_id = 0, /* OMAP1 SoC camera bus */
.i2c_adapter_id = 1,
.board_info = &ams_delta_camera_board_info[0],
.module_name = "ov6650",
.power = ams_delta_camera_power,
};
static struct platform_device ams_delta_camera_device = {
.name = "soc-camera-pdrv",
.id = 0,
.dev = {
.platform_data = &ams_delta_iclink,
},
};
static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
.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 platform_device cx20442_codec_device = {
.name = "cx20442-codec",
.id = -1,
};
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,
};
static struct platform_device *late_devices[] __initdata = {
&ams_delta_nand_device,
&ams_delta_lcd_device,
&cx20442_codec_device,
};
static void __init ams_delta_init(void)
{
/* 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_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
gpio_led_register_device(-1, &leds_pdata);
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
ams_delta_init_fiq();
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;
if (IS_ERR(priv->regulator))
return;
if (state == old)
return;
if (state == 0)
regulator_enable(priv->regulator);
else if (old == 0)
regulator_disable(priv->regulator);
}
static struct plat_serial8250_port ams_delta_modem_ports[] = {
{
.membase = IOMEM(MODEM_VIRT),
.mapbase = MODEM_PHYS,
.irq = -EINVAL, /* 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 late_init(void)
{
int err;
if (!machine_is_ams_delta())
return -ENODEV;
err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
if (err) {
pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
return err;
}
platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
err = platform_device_register(&modem_nreset_device);
if (err) {
pr_err("Couldn't register the modem regulator device\n");
return err;
}
omap_cfg_reg(M14_1510_GPIO2);
ams_delta_modem_ports[0].irq =
gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
if (err) {
pr_err("Couldn't request gpio pin for modem\n");
return err;
}
gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
/* Initialize the modem_nreset regulator consumer before use */
modem_priv.regulator = ERR_PTR(-ENODEV);
ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
AMS_DELTA_LATCH2_MODEM_CODEC);
err = platform_device_register(&ams_delta_modem_device);
if (err)
goto gpio_free;
/*
* 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);
gpio_free:
gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
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