mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 lines
3.2 KiB
128 lines
3.2 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* arch/arm/mach-ep93xx/simone.c |
|
* Simplemachines Sim.One support. |
|
* |
|
* Copyright (C) 2010 Ryan Mallon |
|
* |
|
* Based on the 2.6.24.7 support: |
|
* Copyright (C) 2009 Simplemachines |
|
* MMC support by Peter Ivanov <[email protected]>, 2007 |
|
*/ |
|
|
|
#include <linux/kernel.h> |
|
#include <linux/init.h> |
|
#include <linux/platform_device.h> |
|
#include <linux/i2c.h> |
|
#include <linux/mmc/host.h> |
|
#include <linux/spi/spi.h> |
|
#include <linux/spi/mmc_spi.h> |
|
#include <linux/platform_data/video-ep93xx.h> |
|
#include <linux/platform_data/spi-ep93xx.h> |
|
#include <linux/gpio.h> |
|
#include <linux/gpio/machine.h> |
|
|
|
#include "hardware.h" |
|
#include "gpio-ep93xx.h" |
|
|
|
#include <asm/mach-types.h> |
|
#include <asm/mach/arch.h> |
|
|
|
#include "soc.h" |
|
|
|
static struct ep93xx_eth_data __initdata simone_eth_data = { |
|
.phy_id = 1, |
|
}; |
|
|
|
static struct ep93xxfb_mach_info __initdata simone_fb_info = { |
|
.flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING, |
|
}; |
|
|
|
static struct mmc_spi_platform_data simone_mmc_spi_data = { |
|
.detect_delay = 500, |
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
|
}; |
|
|
|
static struct gpiod_lookup_table simone_mmc_spi_gpio_table = { |
|
.dev_id = "mmc_spi.0", /* "mmc_spi" @ CS0 */ |
|
.table = { |
|
/* Card detect */ |
|
GPIO_LOOKUP_IDX("A", 0, NULL, 0, GPIO_ACTIVE_LOW), |
|
{ }, |
|
}, |
|
}; |
|
|
|
static struct spi_board_info simone_spi_devices[] __initdata = { |
|
{ |
|
.modalias = "mmc_spi", |
|
.platform_data = &simone_mmc_spi_data, |
|
/* |
|
* We use 10 MHz even though the maximum is 3.7 MHz. The driver |
|
* will limit it automatically to max. frequency. |
|
*/ |
|
.max_speed_hz = 10 * 1000 * 1000, |
|
.bus_num = 0, |
|
.chip_select = 0, |
|
.mode = SPI_MODE_3, |
|
}, |
|
}; |
|
|
|
/* |
|
* Up to v1.3, the Sim.One used SFRMOUT as SD card chip select, but this goes |
|
* low between multi-message command blocks. From v1.4, it uses a GPIO instead. |
|
* v1.3 parts will still work, since the signal on SFRMOUT is automatic. |
|
*/ |
|
static struct gpiod_lookup_table simone_spi_cs_gpio_table = { |
|
.dev_id = "spi0", |
|
.table = { |
|
GPIO_LOOKUP("A", 1, "cs", GPIO_ACTIVE_LOW), |
|
{ }, |
|
}, |
|
}; |
|
|
|
static struct ep93xx_spi_info simone_spi_info __initdata = { |
|
.use_dma = 1, |
|
}; |
|
|
|
static struct i2c_board_info __initdata simone_i2c_board_info[] = { |
|
{ |
|
I2C_BOARD_INFO("ds1337", 0x68), |
|
}, |
|
}; |
|
|
|
static struct platform_device simone_audio_device = { |
|
.name = "simone-audio", |
|
.id = -1, |
|
}; |
|
|
|
static void __init simone_register_audio(void) |
|
{ |
|
ep93xx_register_ac97(); |
|
platform_device_register(&simone_audio_device); |
|
} |
|
|
|
static void __init simone_init_machine(void) |
|
{ |
|
ep93xx_init_devices(); |
|
ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_8M); |
|
ep93xx_register_eth(&simone_eth_data, 1); |
|
ep93xx_register_fb(&simone_fb_info); |
|
ep93xx_register_i2c(simone_i2c_board_info, |
|
ARRAY_SIZE(simone_i2c_board_info)); |
|
gpiod_add_lookup_table(&simone_mmc_spi_gpio_table); |
|
gpiod_add_lookup_table(&simone_spi_cs_gpio_table); |
|
ep93xx_register_spi(&simone_spi_info, simone_spi_devices, |
|
ARRAY_SIZE(simone_spi_devices)); |
|
simone_register_audio(); |
|
} |
|
|
|
MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board") |
|
/* Maintainer: Ryan Mallon */ |
|
.atag_offset = 0x100, |
|
.nr_irqs = NR_EP93XX_IRQS, |
|
.map_io = ep93xx_map_io, |
|
.init_irq = ep93xx_init_irq, |
|
.init_time = ep93xx_timer_init, |
|
.init_machine = simone_init_machine, |
|
.restart = ep93xx_restart, |
|
MACHINE_END
|
|
|