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linux/arch/arm/mach-omap2/board-omap4panda.c
Linus Torvalds f465d145d7 arm-soc: sweeping late_initcall cleanup 
This is a patch series from Shawn Guo that moves from individual
 late_initcalls() to using a member in the machine structure to invoke
 a platform's late initcalls.
 
 This cleanup is a step in the move towards multiplatform kernels since
 it would reduce the need to check for compatible platforms in each and
 every initcall.
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Merge tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull sweeping late_initcall cleanup for arm-soc from Olof Johansson:
 "This is a patch series from Shawn Guo that moves from individual
  late_initcalls() to using a member in the machine structure to invoke
  a platform's late initcalls.

  This cleanup is a step in the move towards multiplatform kernels since
  it would reduce the need to check for compatible platforms in each and
  every initcall."

Fix up trivial conflicts in arch/arm/mach-{exynos/mach-universal_c210.c,
imx/mach-cpuimx51.c, omap2/board-generic.c} due to changes nearby (and,
in the case of cpuimx51.c the board support being deleted)

* tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: ux500: use machine specific hook for late init
  ARM: tegra: use machine specific hook for late init
  ARM: shmobile: use machine specific hook for late init
  ARM: sa1100: use machine specific hook for late init
  ARM: s3c64xx: use machine specific hook for late init
  ARM: prima2: use machine specific hook for late init
  ARM: pnx4008: use machine specific hook for late init
  ARM: omap2: use machine specific hook for late init
  ARM: omap1: use machine specific hook for late init
  ARM: msm: use machine specific hook for late init
  ARM: imx: use machine specific hook for late init
  ARM: exynos: use machine specific hook for late init
  ARM: ep93xx: use machine specific hook for late init
  ARM: davinci: use machine specific hook for late init
  ARM: provide a late_initcall hook for platform initialization
2012-05-26 13:14:01 -07:00

528 lines
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/*
* Board support file for OMAP4430 based PandaBoard.
*
* Copyright (C) 2010 Texas Instruments
*
* Author: David Anders <x0132446@ti.com>
*
* Based on mach-omap2/board-4430sdp.c
*
* Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* Based on mach-omap2/board-3430sdp.c
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/i2c/twl.h>
#include <linux/mfd/twl6040.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/ti_wilink_st.h>
#include <linux/wl12xx.h>
#include <linux/platform_data/omap-abe-twl6040.h>
#include <mach/hardware.h>
#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <video/omapdss.h>
#include <plat/board.h>
#include "common.h"
#include <plat/usb.h>
#include <plat/mmc.h>
#include <video/omap-panel-tfp410.h>
#include "hsmmc.h"
#include "control.h"
#include "mux.h"
#include "common-board-devices.h"
#define GPIO_HUB_POWER 1
#define GPIO_HUB_NRESET 62
#define GPIO_WIFI_PMENA 43
#define GPIO_WIFI_IRQ 53
#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
#define HDMI_GPIO_HPD 63 /* Hotplug detect */
/* wl127x BT, FM, GPS connectivity chip */
static struct ti_st_plat_data wilink_platform_data = {
.nshutdown_gpio = 46,
.dev_name = "/dev/ttyO1",
.flow_cntrl = 1,
.baud_rate = 3000000,
.chip_enable = NULL,
.suspend = NULL,
.resume = NULL,
};
static struct platform_device wl1271_device = {
.name = "kim",
.id = -1,
.dev = {
.platform_data = &wilink_platform_data,
},
};
static struct gpio_led gpio_leds[] = {
{
.name = "pandaboard::status1",
.default_trigger = "heartbeat",
.gpio = 7,
},
{
.name = "pandaboard::status2",
.default_trigger = "mmc0",
.gpio = 8,
},
};
static struct gpio_led_platform_data gpio_led_info = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
};
static struct platform_device leds_gpio = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &gpio_led_info,
},
};
static struct omap_abe_twl6040_data panda_abe_audio_data = {
/* Audio out */
.has_hs = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
/* HandsFree through expasion connector */
.has_hf = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
/* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
.has_aux = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
/* PandaBoard: FM RX, PandaBoardES: audio in */
.has_afm = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
/* No jack detection. */
.jack_detection = 0,
/* MCLK input is 38.4MHz */
.mclk_freq = 38400000,
};
static struct platform_device panda_abe_audio = {
.name = "omap-abe-twl6040",
.id = -1,
.dev = {
.platform_data = &panda_abe_audio_data,
},
};
static struct platform_device panda_hdmi_audio_codec = {
.name = "hdmi-audio-codec",
.id = -1,
};
static struct platform_device btwilink_device = {
.name = "btwilink",
.id = -1,
};
static struct platform_device *panda_devices[] __initdata = {
&leds_gpio,
&wl1271_device,
&panda_abe_audio,
&panda_hdmi_audio_codec,
&btwilink_device,
};
static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
.phy_reset = false,
.reset_gpio_port[0] = -EINVAL,
.reset_gpio_port[1] = -EINVAL,
.reset_gpio_port[2] = -EINVAL
};
static struct gpio panda_ehci_gpios[] __initdata = {
{ GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
{ GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
};
static void __init omap4_ehci_init(void)
{
int ret;
struct clk *phy_ref_clk;
/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
phy_ref_clk = clk_get(NULL, "auxclk3_ck");
if (IS_ERR(phy_ref_clk)) {
pr_err("Cannot request auxclk3\n");
return;
}
clk_set_rate(phy_ref_clk, 19200000);
clk_enable(phy_ref_clk);
/* disable the power to the usb hub prior to init and reset phy+hub */
ret = gpio_request_array(panda_ehci_gpios,
ARRAY_SIZE(panda_ehci_gpios));
if (ret) {
pr_err("Unable to initialize EHCI power/reset\n");
return;
}
gpio_export(GPIO_HUB_POWER, 0);
gpio_export(GPIO_HUB_NRESET, 0);
gpio_set_value(GPIO_HUB_NRESET, 1);
usbhs_init(&usbhs_bdata);
/* enable power to hub */
gpio_set_value(GPIO_HUB_POWER, 1);
}
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_UTMI,
.mode = MUSB_OTG,
.power = 100,
};
static struct omap2_hsmmc_info mmc[] = {
{
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
.gpio_wp = -EINVAL,
.gpio_cd = -EINVAL,
},
{
.name = "wl1271",
.mmc = 5,
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
.gpio_wp = -EINVAL,
.gpio_cd = -EINVAL,
.ocr_mask = MMC_VDD_165_195,
.nonremovable = true,
},
{} /* Terminator */
};
static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
};
static struct regulator_init_data panda_vmmc5 = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
.consumer_supplies = omap4_panda_vmmc5_supply,
};
static struct fixed_voltage_config panda_vwlan = {
.supply_name = "vwl1271",
.microvolts = 1800000, /* 1.8V */
.gpio = GPIO_WIFI_PMENA,
.startup_delay = 70000, /* 70msec */
.enable_high = 1,
.enabled_at_boot = 0,
.init_data = &panda_vmmc5,
};
static struct platform_device omap_vwlan_device = {
.name = "reg-fixed-voltage",
.id = 1,
.dev = {
.platform_data = &panda_vwlan,
},
};
static struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
/* PANDA ref clock is 38.4 MHz */
.board_ref_clock = 2,
};
static struct twl6040_codec_data twl6040_codec = {
/* single-step ramp for headset and handsfree */
.hs_left_step = 0x0f,
.hs_right_step = 0x0f,
.hf_left_step = 0x1d,
.hf_right_step = 0x1d,
};
static struct twl6040_platform_data twl6040_data = {
.codec = &twl6040_codec,
.audpwron_gpio = 127,
.irq_base = TWL6040_CODEC_IRQ_BASE,
};
/* Panda board uses the common PMIC configuration */
static struct twl4030_platform_data omap4_panda_twldata;
/*
* Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
* is connected as I2C slave device, and can be accessed at address 0x50
*/
static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
{
I2C_BOARD_INFO("eeprom", 0x50),
},
};
static int __init omap4_panda_i2c_init(void)
{
omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
TWL_COMMON_REGULATOR_VDAC |
TWL_COMMON_REGULATOR_VAUX2 |
TWL_COMMON_REGULATOR_VAUX3 |
TWL_COMMON_REGULATOR_VMMC |
TWL_COMMON_REGULATOR_VPP |
TWL_COMMON_REGULATOR_VANA |
TWL_COMMON_REGULATOR_VCXIO |
TWL_COMMON_REGULATOR_VUSB |
TWL_COMMON_REGULATOR_CLK32KG |
TWL_COMMON_REGULATOR_V1V8 |
TWL_COMMON_REGULATOR_V2V1);
omap4_pmic_init("twl6030", &omap4_panda_twldata,
&twl6040_data, OMAP44XX_IRQ_SYS_2N);
omap_register_i2c_bus(2, 400, NULL, 0);
/*
* Bus 3 is attached to the DVI port where devices like the pico DLP
* projector don't work reliably with 400kHz
*/
omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
ARRAY_SIZE(panda_i2c_eeprom));
omap_register_i2c_bus(4, 400, NULL, 0);
return 0;
}
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
/* WLAN IRQ - GPIO 53 */
OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
/* WLAN POWER ENABLE - GPIO 43 */
OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
/* WLAN SDIO: MMC5 CMD */
OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
/* WLAN SDIO: MMC5 CLK */
OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
/* WLAN SDIO: MMC5 DAT[0-3] */
OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
/* gpio 0 - TFP410 PD */
OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
/* dispc2_data23 */
OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data22 */
OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data21 */
OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data20 */
OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data19 */
OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data18 */
OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data15 */
OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data14 */
OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data13 */
OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data12 */
OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data11 */
OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data10 */
OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data9 */
OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data16 */
OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data17 */
OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_hsync */
OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_pclk */
OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_vsync */
OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_de */
OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data8 */
OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data7 */
OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data6 */
OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data5 */
OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data4 */
OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data3 */
OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data2 */
OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data1 */
OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
/* dispc2_data0 */
OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#else
#define board_mux NULL
#endif
/* Display DVI */
#define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
/* Using generic display panel */
static struct tfp410_platform_data omap4_dvi_panel = {
.i2c_bus_num = 3,
.power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
};
static struct omap_dss_device omap4_panda_dvi_device = {
.type = OMAP_DISPLAY_TYPE_DPI,
.name = "dvi",
.driver_name = "tfp410",
.data = &omap4_dvi_panel,
.phy.dpi.data_lines = 24,
.reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
.channel = OMAP_DSS_CHANNEL_LCD2,
};
static struct gpio panda_hdmi_gpios[] = {
{ HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
{ HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
{ HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
};
static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
{
int status;
status = gpio_request_array(panda_hdmi_gpios,
ARRAY_SIZE(panda_hdmi_gpios));
if (status)
pr_err("Cannot request HDMI GPIOs\n");
return status;
}
static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
{
gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
}
static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
.hpd_gpio = HDMI_GPIO_HPD,
};
static struct omap_dss_device omap4_panda_hdmi_device = {
.name = "hdmi",
.driver_name = "hdmi_panel",
.type = OMAP_DISPLAY_TYPE_HDMI,
.platform_enable = omap4_panda_panel_enable_hdmi,
.platform_disable = omap4_panda_panel_disable_hdmi,
.channel = OMAP_DSS_CHANNEL_DIGIT,
.data = &omap4_panda_hdmi_data,
};
static struct omap_dss_device *omap4_panda_dss_devices[] = {
&omap4_panda_dvi_device,
&omap4_panda_hdmi_device,
};
static struct omap_dss_board_info omap4_panda_dss_data = {
.num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
.devices = omap4_panda_dss_devices,
.default_device = &omap4_panda_dvi_device,
};
static void __init omap4_panda_display_init(void)
{
omap_display_init(&omap4_panda_dss_data);
/*
* OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
* later have external pull up on the HDMI I2C lines
*/
if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
else
omap_hdmi_init(0);
omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
}
static void omap4_panda_init_rev(void)
{
if (cpu_is_omap443x()) {
/* PandaBoard 4430 */
/* ASoC audio configuration */
panda_abe_audio_data.card_name = "PandaBoard";
panda_abe_audio_data.has_hsmic = 1;
} else {
/* PandaBoard ES */
/* ASoC audio configuration */
panda_abe_audio_data.card_name = "PandaBoardES";
}
}
static void __init omap4_panda_init(void)
{
int package = OMAP_PACKAGE_CBS;
int ret;
if (omap_rev() == OMAP4430_REV_ES1_0)
package = OMAP_PACKAGE_CBL;
omap4_mux_init(board_mux, NULL, package);
omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
if (ret)
pr_err("error setting wl12xx data: %d\n", ret);
omap4_panda_init_rev();
omap4_panda_i2c_init();
platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
platform_device_register(&omap_vwlan_device);
omap_serial_init();
omap_sdrc_init(NULL, NULL);
omap4_twl6030_hsmmc_init(mmc);
omap4_ehci_init();
usb_musb_init(&musb_board_data);
omap4_panda_display_init();
}
MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
/* Maintainer: David Anders - Texas Instruments Inc */
.atag_offset = 0x100,
.reserve = omap_reserve,
.map_io = omap4_map_io,
.init_early = omap4430_init_early,
.init_irq = gic_init_irq,
.handle_irq = gic_handle_irq,
.init_machine = omap4_panda_init,
.init_late = omap4430_init_late,
.timer = &omap4_timer,
.restart = omap_prcm_restart,
MACHINE_END
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