mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-19 07:11:31 +02:00
1a29ef8e97
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19815 3c298f89-4303-0410-b956-a3cf2f4a3e73
716 lines
16 KiB
C
716 lines
16 KiB
C
/*
|
|
* arch/ubicom32/mach-ip7k/board-ip7145dpf.c
|
|
* Board file for IP7145DPF, rev 1.0, P/N 8007-0410
|
|
*
|
|
* (C) Copyright 2009, Ubicom, Inc.
|
|
*
|
|
* This file is part of the Ubicom32 Linux Kernel Port.
|
|
*
|
|
* The Ubicom32 Linux Kernel Port is free software: you can redistribute
|
|
* it and/or modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation, either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* The Ubicom32 Linux Kernel Port is distributed in the hope that it
|
|
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
|
|
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
|
|
* the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with the Ubicom32 Linux Kernel Port. If not,
|
|
* see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Ubicom32 implementation derived from (with many thanks):
|
|
* arch/m68knommu
|
|
* arch/blackfin
|
|
* arch/parisc
|
|
*/
|
|
#include <linux/device.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
|
|
#include <linux/input.h>
|
|
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c-gpio.h>
|
|
#include <linux/i2c/pca953x.h>
|
|
|
|
#include <asm/board.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/ubicom32input.h>
|
|
#include <asm/ubicom32input_i2c.h>
|
|
#include <asm/ubicom32bl.h>
|
|
#include <asm/ubicom32lcdpower.h>
|
|
#include <asm/vdc_tio.h>
|
|
|
|
#include <asm/ubicom32sd.h>
|
|
#include <asm/sd_tio.h>
|
|
#include <asm/devtree.h>
|
|
#include <asm/audio.h>
|
|
|
|
#include <asm/ring_tio.h>
|
|
|
|
/******************************************************************************
|
|
* SD/IO Port F (Slot 1) platform data
|
|
*/
|
|
static struct resource ip7145dpf_portf_sd_resources[] = {
|
|
/*
|
|
* Send IRQ
|
|
*/
|
|
[0] = {
|
|
/*
|
|
* The init routine will query the devtree and fill this in
|
|
*/
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
|
|
/*
|
|
* Receive IRQ
|
|
*/
|
|
[1] = {
|
|
/*
|
|
* The init routine will query the devtree and fill this in
|
|
*/
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
|
|
/*
|
|
* Memory Mapped Registers
|
|
*/
|
|
[2] = {
|
|
/*
|
|
* The init routine will query the devtree and fill this in
|
|
*/
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct ubicom32sd_card ip7145dpf_portf_sd_cards[] = {
|
|
[0] = {
|
|
.pin_wp = IP7145DPF_IOB0,
|
|
.wp_polarity = 1,
|
|
.pin_pwr = IP7145DPF_IOB4,
|
|
.pin_cd = GPIO_RA_4,
|
|
},
|
|
[1] = {
|
|
.pin_wp = IP7145DPF_IOB1,
|
|
.wp_polarity = 1,
|
|
.pin_pwr = IP7145DPF_IOB5,
|
|
.pin_cd = GPIO_RA_6,
|
|
},
|
|
};
|
|
|
|
static struct ubicom32sd_platform_data ip7145dpf_portf_sd_platform_data = {
|
|
.ncards = 2,
|
|
.cards = ip7145dpf_portf_sd_cards,
|
|
};
|
|
|
|
static struct platform_device ip7145dpf_portf_sd_device = {
|
|
.name = "ubicom32sd",
|
|
.id = 0,
|
|
.resource = ip7145dpf_portf_sd_resources,
|
|
.num_resources = ARRAY_SIZE(ip7145dpf_portf_sd_resources),
|
|
.dev = {
|
|
.platform_data = &ip7145dpf_portf_sd_platform_data,
|
|
},
|
|
|
|
};
|
|
|
|
/*
|
|
* ip7145dpf_portf_sd_init
|
|
*/
|
|
static void ip7145dpf_portf_sd_init(void)
|
|
{
|
|
/*
|
|
* Check the device tree for the sd_tio
|
|
*/
|
|
struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portf_sd");
|
|
if (!sd_node) {
|
|
printk(KERN_INFO "PortF SDTIO not found\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Fill in the resources and platform data from devtree information
|
|
*/
|
|
ip7145dpf_portf_sd_resources[0].start = sd_node->dn.sendirq;
|
|
ip7145dpf_portf_sd_resources[1].start = sd_node->dn.recvirq;
|
|
ip7145dpf_portf_sd_resources[2].start = (u32_t)&(sd_node->regs);
|
|
ip7145dpf_portf_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
|
|
|
|
platform_device_register(&ip7145dpf_portf_sd_device);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* SD/IO Port B (Slot 2) platform data
|
|
*/
|
|
static struct resource ip7145dpf_portb_sd_resources[] = {
|
|
/*
|
|
* Send IRQ
|
|
*/
|
|
[0] = {
|
|
/*
|
|
* The init routine will query the devtree and fill this in
|
|
*/
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
|
|
/*
|
|
* Receive IRQ
|
|
*/
|
|
[1] = {
|
|
/*
|
|
* The init routine will query the devtree and fill this in
|
|
*/
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
|
|
/*
|
|
* Memory Mapped Registers
|
|
*/
|
|
[2] = {
|
|
/*
|
|
* The init routine will query the devtree and fill this in
|
|
*/
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct ubicom32sd_card ip7145dpf_portb_sd_cards[] = {
|
|
[0] = {
|
|
.pin_wp = IP7145DPF_IOB2,
|
|
.wp_polarity = 1,
|
|
.pin_pwr = IP7145DPF_IOB6,
|
|
.pin_cd = IP7145DPF_IOB3,
|
|
},
|
|
};
|
|
|
|
static struct ubicom32sd_platform_data ip7145dpf_portb_sd_platform_data = {
|
|
.ncards = 1,
|
|
.cards = ip7145dpf_portb_sd_cards,
|
|
};
|
|
|
|
static struct platform_device ip7145dpf_portb_sd_device = {
|
|
.name = "ubicom32sd",
|
|
.id = 1,
|
|
.resource = ip7145dpf_portb_sd_resources,
|
|
.num_resources = ARRAY_SIZE(ip7145dpf_portb_sd_resources),
|
|
.dev = {
|
|
.platform_data = &ip7145dpf_portb_sd_platform_data,
|
|
},
|
|
|
|
};
|
|
|
|
/*
|
|
* ip7145dpf_portb_sd_init
|
|
*/
|
|
static void ip7145dpf_portb_sd_init(void)
|
|
{
|
|
/*
|
|
* Check the device tree for the sd_tio
|
|
*/
|
|
struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portb_sd");
|
|
if (!sd_node) {
|
|
printk(KERN_INFO "PortB SDTIO not found\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Fill in the resources and platform data from devtree information
|
|
*/
|
|
ip7145dpf_portb_sd_resources[0].start = sd_node->dn.sendirq;
|
|
ip7145dpf_portb_sd_resources[1].start = sd_node->dn.recvirq;
|
|
ip7145dpf_portb_sd_resources[2].start = (u32_t)&(sd_node->regs);
|
|
ip7145dpf_portb_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
|
|
|
|
platform_device_register(&ip7145dpf_portb_sd_device);
|
|
}
|
|
|
|
|
|
#ifdef IP7145DPF_USE_MMC_SPI
|
|
/******************************************************************************
|
|
* SPI over GPIO (MMC_SPI)
|
|
*/
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/mmc_spi.h>
|
|
#include <linux/mmc/host.h>
|
|
#include <asm/ubicom32-spi-gpio.h>
|
|
|
|
#define MMC_CS GPIO_RF_5 // PF5 D3
|
|
#define MMC_CD GPIO_RA_4 // PA4 CD
|
|
#define MMC_WP IP7145DPF_IOB0 // IOB0 WP
|
|
#define MMC_PWR IP7145DPF_IOB4 // IOB4 PWR
|
|
|
|
/*
|
|
* SPI bus over GPIO (for SD card)
|
|
*/
|
|
static struct ubicom32_spi_gpio_platform_data ip7145dpf_spi_gpio_data = {
|
|
.pin_mosi = GPIO_RF_0, // PF0 CMD
|
|
.pin_miso = GPIO_RF_2, // PF2 D0
|
|
.pin_clk = GPIO_RF_1, // PF1 CLK
|
|
.bus_num = 0, // We'll call this SPI bus 0
|
|
.num_chipselect = 1, // only one device on this SPI bus
|
|
};
|
|
|
|
static struct platform_device ip7145dpf_spi_gpio_device = {
|
|
.name = "ubicom32-spi-gpio",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &ip7145dpf_spi_gpio_data,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* ip7145dpf_mmc_spi_setpower_slot_a
|
|
* Set the power state for slot A
|
|
*/
|
|
static void ip7145dpf_mmc_spi_setpower_slot_a(struct device *dev, unsigned int vdd)
|
|
{
|
|
struct mmc_spi_platform_data *pd = dev->platform_data;
|
|
|
|
/*
|
|
* Power is inverted, we could tell the IOB to do it, but it's cleaner this way.
|
|
*/
|
|
if ((1 << vdd) & pd->ocr_mask) {
|
|
gpio_set_value(MMC_PWR, 0);
|
|
return;
|
|
}
|
|
gpio_set_value(MMC_PWR, 1);
|
|
}
|
|
|
|
/*
|
|
* ip7145dpf_mmc_spi_get_cd_slot_a
|
|
* Get the CD bit for slot A
|
|
*/
|
|
static int ip7145dpf_mmc_spi_get_cd_slot_a(struct device *dev)
|
|
{
|
|
/*
|
|
* Note that the sense of the GPIO is inverted
|
|
*/
|
|
return !gpio_get_value(MMC_CD);
|
|
}
|
|
|
|
/*
|
|
* ip7145dpf_mmc_spi_get_ro_slot_a
|
|
* Get the WP bit for slot A
|
|
*/
|
|
static int ip7145dpf_mmc_spi_get_ro_slot_a(struct device *dev)
|
|
{
|
|
/*
|
|
* Note that the sense of the GPIO is inverted, we could tell the IOB to do it, but
|
|
* it's clearer this way.
|
|
*/
|
|
return !gpio_get_value(MMC_WP);
|
|
}
|
|
|
|
/*
|
|
* ip7145dpf_mmc_spi_exit_slot_a
|
|
* Free the appropriate GPIOs for slot A SD slot.
|
|
*/
|
|
static void ip7145dpf_mmc_spi_exit_slot_a(struct device *dev, void *appdata)
|
|
{
|
|
gpio_free(MMC_CD);
|
|
gpio_free(MMC_CS);
|
|
gpio_free(MMC_WP);
|
|
gpio_free(MMC_PWR);
|
|
platform_device_unregister(&ip7145dpf_spi_gpio_device);
|
|
}
|
|
|
|
/*
|
|
* ip7145dpf_mmc_spi_init_slot_a
|
|
* Allocate the appropriate GPIOs for slot A SD slot.
|
|
* WP is on IOB0, CD is PA4, CS is on PF5
|
|
* TODO: make CD an interrupt
|
|
*/
|
|
static int ip7145dpf_mmc_spi_init_slot_a(void)
|
|
{
|
|
int ret = gpio_request(MMC_CD, "mmc-a-cd");
|
|
if (ret) {
|
|
printk(KERN_ERR "%s: could not request mmc-a-cd pin\n", __FUNCTION__);
|
|
return -ENOSYS;
|
|
}
|
|
gpio_direction_input(MMC_CD);
|
|
|
|
ret = gpio_request(MMC_CS, "mmc-a-cs");
|
|
if (ret) {
|
|
printk(KERN_ERR "%s: could not request mmc-a-cs pin\n", __FUNCTION__);
|
|
goto no_cs;
|
|
}
|
|
gpio_direction_output(MMC_CS, 0);
|
|
|
|
ret = gpio_request(MMC_WP, "mmc-a-wp");
|
|
if (ret) {
|
|
printk(KERN_ERR "%s: could not request mmc-a-wp pin\n", __FUNCTION__);
|
|
goto no_wp;
|
|
}
|
|
gpio_direction_input(MMC_WP);
|
|
|
|
/*
|
|
* Start off with power off
|
|
*/
|
|
ret = gpio_request(MMC_PWR, "mmc-a-pwr");
|
|
if (ret) {
|
|
printk(KERN_ERR "%s: could not request mmc-a-pwr pin\n", __FUNCTION__);
|
|
goto no_pwr;
|
|
}
|
|
ret = gpio_direction_output(MMC_PWR, 1);
|
|
|
|
return 0;
|
|
|
|
no_pwr:
|
|
gpio_free(MMC_WP);
|
|
|
|
no_wp:
|
|
gpio_free(MMC_CS);
|
|
|
|
no_cs:
|
|
gpio_free(MMC_CD);
|
|
return -ENOSYS;
|
|
}
|
|
|
|
/*
|
|
* MMC_SPI driver (currently bitbang)
|
|
*/
|
|
static struct mmc_spi_platform_data ip7145dpf_mmc_platform_data = {
|
|
.ocr_mask = MMC_VDD_33_34,
|
|
.exit = ip7145dpf_mmc_spi_exit_slot_a,
|
|
.get_ro = ip7145dpf_mmc_spi_get_ro_slot_a,
|
|
.get_cd = ip7145dpf_mmc_spi_get_cd_slot_a,
|
|
|
|
.setpower = ip7145dpf_mmc_spi_setpower_slot_a,
|
|
.powerup_msecs = 500,
|
|
|
|
.detect_delay = 100,
|
|
|
|
.caps = MMC_CAP_NEEDS_POLL,
|
|
};
|
|
|
|
static struct ubicom32_spi_gpio_controller_data ip7145dpf_mmc_controller_data = {
|
|
.pin_cs = MMC_CS,
|
|
};
|
|
|
|
static struct spi_board_info ip7145dpf_spi_board_info[] = {
|
|
{
|
|
.modalias = "mmc_spi",
|
|
.bus_num = 0,
|
|
.chip_select = 0,
|
|
.max_speed_hz = 2000000,
|
|
.platform_data = &ip7145dpf_mmc_platform_data,
|
|
.controller_data = &ip7145dpf_mmc_controller_data,
|
|
}
|
|
};
|
|
#endif /* IP7145DPF_USE_MMC_SPI */
|
|
|
|
/*
|
|
* ip7145dpf_u72_setup
|
|
* Called by I2C to tell us that u72 is setup.
|
|
*
|
|
* This function is called by I2C to tell us that u72 has been setup. All
|
|
* devices which rely on this chip being initialized (or even present) need to
|
|
* be initialized in this function otherwise they may get initialized too early.
|
|
*
|
|
* Currently the only device depending on u72 is the SPI
|
|
*/
|
|
static int __init ip7145dpf_u72_setup(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *context)
|
|
{
|
|
#ifdef IP7145DPF_USE_MMC_SPI
|
|
if (ip7145dpf_mmc_spi_init_slot_a()) {
|
|
printk(KERN_ERR "%s: could not request mmc resources\n", __FUNCTION__);
|
|
} else {
|
|
printk(KERN_INFO "%s: registering SPI resources\n", __FUNCTION__);
|
|
spi_register_board_info(ip7145dpf_spi_board_info, ARRAY_SIZE(ip7145dpf_spi_board_info));
|
|
platform_device_register(&ip7145dpf_spi_gpio_device);
|
|
}
|
|
#else
|
|
/*
|
|
* Initialize the Port F/Port B SD slots
|
|
*/
|
|
ip7145dpf_portf_sd_init();
|
|
ip7145dpf_portb_sd_init();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* LCD VGH on the board at PE6
|
|
*/
|
|
static struct ubicom32lcdpower_platform_data ip7145dpf_lcdpower_data = {
|
|
.vgh_gpio = GPIO_RE_6,
|
|
.vgh_polarity = true,
|
|
};
|
|
|
|
static struct platform_device ip7145dpf_lcdpower_device = {
|
|
.name = "ubicom32lcdpower",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &ip7145dpf_lcdpower_data,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Backlight on the board PD0, hardware PWM
|
|
*/
|
|
static struct ubicom32bl_platform_data ip7145dpf_backlight_data = {
|
|
.type = UBICOM32BL_TYPE_PWM,
|
|
.pwm_channel = 2,
|
|
.pwm_prescale = 15,
|
|
.pwm_period = 60,
|
|
.default_intensity = 0x80,
|
|
};
|
|
|
|
static struct platform_device ip7145dpf_backlight_device = {
|
|
.name = "ubicom32bl",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &ip7145dpf_backlight_data,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Ubicom32Input on I2C, U48 MAX7310, address 0x18, 8 bits
|
|
*/
|
|
static struct ubicom32input_i2c_button ip7145dpf_ubicom32input_i2c_u48_buttons[] = {
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_UP,
|
|
.bit = 0,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_LEFT,
|
|
.bit = 1,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_RIGHT,
|
|
.bit = 2,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_DOWN,
|
|
.bit = 3,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_ENTER,
|
|
.bit = 4,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_MENU,
|
|
.bit = 5,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_ESC,
|
|
.bit = 6,
|
|
.active_low = 1,
|
|
},
|
|
};
|
|
|
|
static struct ubicom32input_i2c_platform_data ip7145dpf_ubicom32input_i2c_u48_platform_data = {
|
|
.buttons = ip7145dpf_ubicom32input_i2c_u48_buttons,
|
|
.nbuttons = ARRAY_SIZE(ip7145dpf_ubicom32input_i2c_u48_buttons),
|
|
.name = "Ubicom32 Input I2C U48",
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Additional GPIO chips
|
|
*/
|
|
static struct pca953x_platform_data ip7145dpf_gpio_u72_platform_data = {
|
|
.gpio_base = IP7145DPF_U72_BASE,
|
|
.setup = ip7145dpf_u72_setup,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Devices on the I2C bus
|
|
*/
|
|
static struct i2c_board_info __initdata ip7145dpf_i2c_board_info[] = {
|
|
/*
|
|
* U51, S35390A RTC, address 0x30
|
|
*/
|
|
{
|
|
.type = "s35390a",
|
|
.addr = 0x30,
|
|
},
|
|
|
|
/*
|
|
* U48, MAX7310 IO expander, 8 bits, address 0x18
|
|
*/
|
|
{
|
|
.type = "ubicom32in_max7310",
|
|
.addr = 0x18,
|
|
.platform_data = &ip7145dpf_ubicom32input_i2c_u48_platform_data,
|
|
},
|
|
|
|
/*
|
|
* U72, MAX7310 IOB expander, 8 bits, address 0x19
|
|
*/
|
|
{
|
|
.type = "max7310",
|
|
.addr = 0x19,
|
|
.platform_data = &ip7145dpf_gpio_u72_platform_data,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* I2C bus on the board, SDA PE1, SCL PE2
|
|
*/
|
|
static struct i2c_gpio_platform_data ip7145dpf_i2c_data = {
|
|
.sda_pin = GPIO_RE_1,
|
|
.scl_pin = GPIO_RE_2,
|
|
.sda_is_open_drain = 0,
|
|
.scl_is_open_drain = 0,
|
|
};
|
|
|
|
static struct platform_device ip7145dpf_i2c_device = {
|
|
.name = "i2c-gpio",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &ip7145dpf_i2c_data,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Use ubicom32input driver to monitor the various pushbuttons on this board.
|
|
*
|
|
* WPS PF12
|
|
* FACT_DEFAULT PF13
|
|
* POWER PE4
|
|
*
|
|
* Not sutable for the keypad buttons since those run on I2C GPIO. The polling
|
|
* of ubicom32input would seem to be excessive for this.
|
|
*
|
|
* TODO: pick some ubicom understood EV_xxx define for WPS and Fact Default
|
|
*/
|
|
static struct ubicom32input_button ip7145dpf_ubicom32input_buttons[] = {
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_FN_F1,
|
|
.gpio = GPIO_RF_12,
|
|
.desc = "WPS",
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_FN_F2,
|
|
.gpio = GPIO_RF_13,
|
|
.desc = "Factory Default",
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = KEY_POWER,
|
|
.gpio = GPIO_RE_4,
|
|
.desc = "Power",
|
|
.active_low = 1,
|
|
},
|
|
};
|
|
|
|
static struct ubicom32input_platform_data ip7145dpf_ubicom32input_data = {
|
|
.buttons = ip7145dpf_ubicom32input_buttons,
|
|
.nbuttons = ARRAY_SIZE(ip7145dpf_ubicom32input_buttons),
|
|
};
|
|
|
|
static struct platform_device ip7145dpf_ubicom32input_device = {
|
|
.name = "ubicom32input",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &ip7145dpf_ubicom32input_data,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* List of all devices in our system
|
|
*/
|
|
static struct platform_device *ip7145dpf_devices[] __initdata = {
|
|
&ip7145dpf_i2c_device,
|
|
&ip7145dpf_lcdpower_device,
|
|
&ip7145dpf_backlight_device,
|
|
&ip7145dpf_ubicom32input_device,
|
|
};
|
|
|
|
/*
|
|
* ip7145dpf_power_off
|
|
* Called to turn the power off for this board
|
|
*/
|
|
static void ip7145dpf_power_off(void)
|
|
{
|
|
gpio_set_value(GPIO_RE_5, 0);
|
|
}
|
|
|
|
/*
|
|
* ip7145dpf_init
|
|
* Called to add the devices which we have on this board
|
|
*/
|
|
static int __init ip7145dpf_init(void)
|
|
{
|
|
int ret;
|
|
struct platform_device *audio_dev;
|
|
|
|
ubi_gpio_init();
|
|
|
|
#ifdef CONFIG_UIO_UBICOM32RING
|
|
ring_tio_init("decoder_ring");
|
|
#endif
|
|
|
|
/*
|
|
* Start up the video driver first
|
|
*/
|
|
vdc_tio_init();
|
|
|
|
/*
|
|
* Take over holding of the power from the system
|
|
*/
|
|
ret = gpio_request(GPIO_RE_5, "power_hold");
|
|
if (ret) {
|
|
printk(KERN_ERR "%s: could not request power hold GPIO\n", __FUNCTION__);
|
|
}
|
|
gpio_direction_output(GPIO_RE_5, 1);
|
|
mach_power_off = ip7145dpf_power_off;
|
|
|
|
/*
|
|
* USB SEL_HOST_USB line
|
|
*/
|
|
ret = gpio_request(GPIO_RF_11, "SEL_HOST_USB");
|
|
if (ret) {
|
|
printk(KERN_ERR "%s: could not request SEL_HOST_USB GPIO\n", __FUNCTION__);
|
|
}
|
|
gpio_direction_output(GPIO_RF_11, 0);
|
|
|
|
/*
|
|
* Setup audio
|
|
*/
|
|
audio_dev = audio_device_alloc("snd-ubi32-generic", "audio", "audio-i2sout", 0);
|
|
if (audio_dev) {
|
|
platform_device_register(audio_dev);
|
|
}
|
|
|
|
/*
|
|
* Register all of the devices we have on this board
|
|
*/
|
|
printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
|
|
platform_add_devices(ip7145dpf_devices, ARRAY_SIZE(ip7145dpf_devices));
|
|
|
|
/*
|
|
* Register all of the devices which sit on the I2C bus
|
|
*/
|
|
printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
|
|
i2c_register_board_info(0, ip7145dpf_i2c_board_info, ARRAY_SIZE(ip7145dpf_i2c_board_info));
|
|
|
|
/*
|
|
* We have to initialize the SPI after the I2C IOB gets setup. SPI is initialized in
|
|
* ip7145dpf_u72_setup
|
|
*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(ip7145dpf_init);
|