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linux/arch/arm/mach-s3c/mach-mini2440.c
Linus Walleij 787f51f210 USB/ARM: Switch S3C2410 UDC to GPIO descriptors 
This converts the S3C2410 UDC USB device controller to use
GPIO descriptor tables and modern GPIO.

Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220901081649.564348-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-07 16:23:54 +02:00

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// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
// Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
// and modifications by SBZ <sbz@spgui.org> and
// Weibing <http://weibing.blogbus.com> and
// Michel Pollet <buserror@gmail.com>
//
// For product information, visit https://code.google.com/p/mini2440/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/dm9000.h>
#include <linux/property.h>
#include <linux/platform_device.h>
#include <linux/gpio_keys.h>
#include <linux/i2c.h>
#include <linux/mmc/host.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <linux/platform_data/fb-s3c2410.h>
#include <asm/mach-types.h>
#include "regs-gpio.h"
#include <linux/platform_data/leds-s3c24xx.h>
#include "irqs.h"
#include "gpio-samsung.h"
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <linux/platform_data/mmc-s3cmci.h>
#include <linux/platform_data/usb-s3c2410_udc.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include "gpio-cfg.h"
#include "devs.h"
#include "cpu.h"
#include <sound/s3c24xx_uda134x.h>
#include "s3c24xx.h"
#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
static struct map_desc mini2440_iodesc[] __initdata = {
/* nothing to declare, move along */
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
};
/* USB device UDC support */
static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
};
static struct gpiod_lookup_table mini2440_udc_gpio_table = {
.dev_id = "s3c2410-usbgadget",
.table = {
GPIO_LOOKUP("GPIOC", 5, "pullup", GPIO_ACTIVE_HIGH),
{ },
},
};
/* LCD timing and setup */
/*
* This macro simplifies the table bellow
*/
#define _LCD_DECLARE(_clock, _xres, margin_left, margin_right, hsync, \
_yres, margin_top, margin_bottom, vsync, refresh) \
.width = _xres, \
.xres = _xres, \
.height = _yres, \
.yres = _yres, \
.left_margin = margin_left, \
.right_margin = margin_right, \
.upper_margin = margin_top, \
.lower_margin = margin_bottom, \
.hsync_len = hsync, \
.vsync_len = vsync, \
.pixclock = ((_clock*100000000000LL) / \
((refresh) * \
(hsync + margin_left + _xres + margin_right) * \
(vsync + margin_top + _yres + margin_bottom))), \
.bpp = 16,\
.type = (S3C2410_LCDCON1_TFT16BPP |\
S3C2410_LCDCON1_TFT)
static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
[0] = { /* mini2440 + 3.5" TFT + touchscreen */
_LCD_DECLARE(
7, /* The 3.5 is quite fast */
240, 21, 38, 6, /* x timing */
320, 4, 4, 2, /* y timing */
60), /* refresh rate */
.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_INVVDEN |
S3C2410_LCDCON5_PWREN),
},
[1] = { /* mini2440 + 7" TFT + touchscreen */
_LCD_DECLARE(
10, /* the 7" runs slower */
800, 40, 40, 48, /* x timing */
480, 29, 3, 3, /* y timing */
50), /* refresh rate */
.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN),
},
/* The VGA shield can outout at several resolutions. All share
* the same timings, however, anything smaller than 1024x768
* will only be displayed in the top left corner of a 1024x768
* XGA output unless you add optional dip switches to the shield.
* Therefore timings for other resolutions have been omitted here.
*/
[2] = {
_LCD_DECLARE(
10,
1024, 1, 2, 2, /* y timing */
768, 200, 16, 16, /* x timing */
24), /* refresh rate, maximum stable,
* tested with the FPGA shield
*/
.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_HWSWP),
},
/* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/
[3] = {
_LCD_DECLARE(
/* clock */
7,
/* xres, margin_right, margin_left, hsync */
320, 68, 66, 4,
/* yres, margin_top, margin_bottom, vsync */
240, 4, 4, 9,
/* refresh rate */
60),
.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVDEN |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVCLK |
S3C2410_LCDCON5_HWSWP),
},
};
/* todo - put into gpio header */
#define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
#define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
.displays = &mini2440_lcd_cfg[0], /* not constant! see init */
.num_displays = 1,
.default_display = 0,
/* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
* and disable the pull down resistors on pins we are using for LCD
* data.
*/
.gpcup = (0xf << 1) | (0x3f << 10),
.gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE |
S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 |
S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 |
S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7),
.gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
.gpccon_reg = S3C2410_GPCCON,
.gpcup_reg = S3C2410_GPCUP,
.gpdup = (0x3f << 2) | (0x3f << 10),
.gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 |
S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 |
S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 |
S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
.gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
.gpdcon_reg = S3C2410_GPDCON,
.gpdup_reg = S3C2410_GPDUP,
};
/* MMC/SD */
static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
.wprotect_invert = 1,
.set_power = s3c24xx_mci_def_set_power,
.ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34,
};
static struct gpiod_lookup_table mini2440_mmc_gpio_table = {
.dev_id = "s3c2410-sdi",
.table = {
/* Card detect S3C2410_GPG(8) */
GPIO_LOOKUP("GPIOG", 8, "cd", GPIO_ACTIVE_LOW),
/* Write protect S3C2410_GPH(8) */
GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_HIGH),
/* bus pins */
GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
{ },
},
};
/* NAND Flash on MINI2440 board */
static struct mtd_partition mini2440_default_nand_part[] __initdata = {
[0] = {
.name = "u-boot",
.size = SZ_256K,
.offset = 0,
},
[1] = {
.name = "u-boot-env",
.size = SZ_128K,
.offset = SZ_256K,
},
[2] = {
.name = "kernel",
/* 5 megabytes, for a kernel with no modules
* or a uImage with a ramdisk attached
*/
.size = 0x00500000,
.offset = SZ_256K + SZ_128K,
},
[3] = {
.name = "root",
.offset = SZ_256K + SZ_128K + 0x00500000,
.size = MTDPART_SIZ_FULL,
},
};
static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
[0] = {
.name = "nand",
.nr_chips = 1,
.nr_partitions = ARRAY_SIZE(mini2440_default_nand_part),
.partitions = mini2440_default_nand_part,
.flash_bbt = 1, /* we use u-boot to create a BBT */
},
};
static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
.tacls = 0,
.twrph0 = 25,
.twrph1 = 15,
.nr_sets = ARRAY_SIZE(mini2440_nand_sets),
.sets = mini2440_nand_sets,
.ignore_unset_ecc = 1,
.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST,
};
/* DM9000AEP 10/100 ethernet controller */
static struct resource mini2440_dm9k_resource[] = {
[0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
[1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
[2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE),
};
/*
* The DM9000 has no eeprom, and it's MAC address is set by
* the bootloader before starting the kernel.
*/
static struct dm9000_plat_data mini2440_dm9k_pdata = {
.flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
};
static struct platform_device mini2440_device_eth = {
.name = "dm9000",
.id = -1,
.num_resources = ARRAY_SIZE(mini2440_dm9k_resource),
.resource = mini2440_dm9k_resource,
.dev = {
.platform_data = &mini2440_dm9k_pdata,
},
};
/* CON5
* +--+ /-----\
* | | | |
* | | | BAT |
* | | \_____/
* | |
* | | +----+ +----+
* | | | K5 | | K1 |
* | | +----+ +----+
* | | +----+ +----+
* | | | K4 | | K2 |
* | | +----+ +----+
* | | +----+ +----+
* | | | K6 | | K3 |
* | | +----+ +----+
* .....
*/
static struct gpio_keys_button mini2440_buttons[] = {
{
.gpio = S3C2410_GPG(0), /* K1 */
.code = KEY_F1,
.desc = "Button 1",
.active_low = 1,
},
{
.gpio = S3C2410_GPG(3), /* K2 */
.code = KEY_F2,
.desc = "Button 2",
.active_low = 1,
},
{
.gpio = S3C2410_GPG(5), /* K3 */
.code = KEY_F3,
.desc = "Button 3",
.active_low = 1,
},
{
.gpio = S3C2410_GPG(6), /* K4 */
.code = KEY_POWER,
.desc = "Power",
.active_low = 1,
},
{
.gpio = S3C2410_GPG(7), /* K5 */
.code = KEY_F5,
.desc = "Button 5",
.active_low = 1,
},
#if 0
/* this pin is also known as TCLK1 and seems to already
* marked as "in use" somehow in the kernel -- possibly wrongly
*/
{
.gpio = S3C2410_GPG(11), /* K6 */
.code = KEY_F6,
.desc = "Button 6",
.active_low = 1,
},
#endif
};
static struct gpio_keys_platform_data mini2440_button_data = {
.buttons = mini2440_buttons,
.nbuttons = ARRAY_SIZE(mini2440_buttons),
};
static struct platform_device mini2440_button_device = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &mini2440_button_data,
}
};
/* LEDS */
static struct gpiod_lookup_table mini2440_led1_gpio_table = {
.dev_id = "s3c24xx_led.1",
.table = {
GPIO_LOOKUP("GPB", 5, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
{ },
},
};
static struct gpiod_lookup_table mini2440_led2_gpio_table = {
.dev_id = "s3c24xx_led.2",
.table = {
GPIO_LOOKUP("GPB", 6, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
{ },
},
};
static struct gpiod_lookup_table mini2440_led3_gpio_table = {
.dev_id = "s3c24xx_led.3",
.table = {
GPIO_LOOKUP("GPB", 7, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
{ },
},
};
static struct gpiod_lookup_table mini2440_led4_gpio_table = {
.dev_id = "s3c24xx_led.4",
.table = {
GPIO_LOOKUP("GPB", 8, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
{ },
},
};
static struct gpiod_lookup_table mini2440_backlight_gpio_table = {
.dev_id = "s3c24xx_led.5",
.table = {
GPIO_LOOKUP("GPG", 4, NULL, GPIO_ACTIVE_HIGH),
{ },
},
};
static struct s3c24xx_led_platdata mini2440_led1_pdata = {
.name = "led1",
.def_trigger = "heartbeat",
};
static struct s3c24xx_led_platdata mini2440_led2_pdata = {
.name = "led2",
.def_trigger = "nand-disk",
};
static struct s3c24xx_led_platdata mini2440_led3_pdata = {
.name = "led3",
.def_trigger = "mmc0",
};
static struct s3c24xx_led_platdata mini2440_led4_pdata = {
.name = "led4",
.def_trigger = "",
};
static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
.name = "backlight",
.def_trigger = "backlight",
};
static struct platform_device mini2440_led1 = {
.name = "s3c24xx_led",
.id = 1,
.dev = {
.platform_data = &mini2440_led1_pdata,
},
};
static struct platform_device mini2440_led2 = {
.name = "s3c24xx_led",
.id = 2,
.dev = {
.platform_data = &mini2440_led2_pdata,
},
};
static struct platform_device mini2440_led3 = {
.name = "s3c24xx_led",
.id = 3,
.dev = {
.platform_data = &mini2440_led3_pdata,
},
};
static struct platform_device mini2440_led4 = {
.name = "s3c24xx_led",
.id = 4,
.dev = {
.platform_data = &mini2440_led4_pdata,
},
};
static struct platform_device mini2440_led_backlight = {
.name = "s3c24xx_led",
.id = 5,
.dev = {
.platform_data = &mini2440_led_backlight_pdata,
},
};
/* AUDIO */
static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
.l3_clk = S3C2410_GPB(4),
.l3_mode = S3C2410_GPB(2),
.l3_data = S3C2410_GPB(3),
.model = UDA134X_UDA1341
};
static struct platform_device mini2440_audio = {
.name = "s3c24xx_uda134x",
.id = 0,
.dev = {
.platform_data = &mini2440_audio_pins,
},
};
/*
* I2C devices
*/
static const struct property_entry mini2440_at24_properties[] = {
PROPERTY_ENTRY_U32("pagesize", 16),
{ }
};
static const struct software_node mini2440_at24_node = {
.properties = mini2440_at24_properties,
};
static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
{
I2C_BOARD_INFO("24c08", 0x50),
.swnode = &mini2440_at24_node,
},
};
static struct uda134x_platform_data s3c24xx_uda134x = {
.l3 = {
.gpio_clk = S3C2410_GPB(4),
.gpio_data = S3C2410_GPB(3),
.gpio_mode = S3C2410_GPB(2),
.use_gpios = 1,
.data_hold = 1,
.data_setup = 1,
.clock_high = 1,
.mode_hold = 1,
.mode = 1,
.mode_setup = 1,
},
.model = UDA134X_UDA1341,
};
static struct platform_device uda1340_codec = {
.name = "uda134x-codec",
.id = -1,
.dev = {
.platform_data = &s3c24xx_uda134x,
},
};
static struct platform_device *mini2440_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_rtc,
&s3c_device_usbgadget,
&mini2440_device_eth,
&mini2440_led1,
&mini2440_led2,
&mini2440_led3,
&mini2440_led4,
&mini2440_button_device,
&s3c_device_nand,
&s3c_device_sdi,
&s3c2440_device_dma,
&s3c_device_iis,
&uda1340_codec,
&mini2440_audio,
};
static void __init mini2440_map_io(void)
{
s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
}
static void __init mini2440_init_time(void)
{
s3c2440_init_clocks(12000000);
s3c24xx_timer_init();
}
/*
* mini2440_features string
*
* t = Touchscreen present
* b = backlight control
* c = camera [TODO]
* 0-9 LCD configuration
*
*/
static char mini2440_features_str[12] __initdata = "0tb";
static int __init mini2440_features_setup(char *str)
{
if (str)
strscpy(mini2440_features_str, str,
sizeof(mini2440_features_str));
return 1;
}
__setup("mini2440=", mini2440_features_setup);
#define FEATURE_SCREEN (1 << 0)
#define FEATURE_BACKLIGHT (1 << 1)
#define FEATURE_TOUCH (1 << 2)
#define FEATURE_CAMERA (1 << 3)
struct mini2440_features_t {
int count;
int done;
int lcd_index;
struct platform_device *optional[8];
};
static void __init mini2440_parse_features(
struct mini2440_features_t *features,
const char *features_str)
{
const char *fp = features_str;
features->count = 0;
features->done = 0;
features->lcd_index = -1;
while (*fp) {
char f = *fp++;
switch (f) {
case '0'...'9': /* tft screen */
if (features->done & FEATURE_SCREEN) {
pr_info("MINI2440: '%c' ignored, screen type already set\n",
f);
} else {
int li = f - '0';
if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
pr_info("MINI2440: '%c' out of range LCD mode\n",
f);
else {
features->optional[features->count++] =
&s3c_device_lcd;
features->lcd_index = li;
}
}
features->done |= FEATURE_SCREEN;
break;
case 'b':
if (features->done & FEATURE_BACKLIGHT)
pr_info("MINI2440: '%c' ignored, backlight already set\n",
f);
else {
features->optional[features->count++] =
&mini2440_led_backlight;
}
features->done |= FEATURE_BACKLIGHT;
break;
case 't':
pr_info("MINI2440: '%c' ignored, touchscreen not compiled in\n",
f);
break;
case 'c':
if (features->done & FEATURE_CAMERA)
pr_info("MINI2440: '%c' ignored, camera already registered\n",
f);
else
features->optional[features->count++] =
&s3c_device_camif;
features->done |= FEATURE_CAMERA;
break;
}
}
}
static void __init mini2440_init(void)
{
struct mini2440_features_t features = { 0 };
int i;
pr_info("MINI2440: Option string mini2440=%s\n",
mini2440_features_str);
/* Parse the feature string */
mini2440_parse_features(&features, mini2440_features_str);
/* turn LCD on */
s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
/* Turn the backlight early on */
WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL));
gpio_free(S3C2410_GPG(4));
/* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL);
s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
gpio_free(S3C2410_GPB(1));
/* mark the key as input, without pullups (there is one on the board) */
for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
}
/* Configure the I2S pins (GPE0...GPE4) in correct mode */
s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
S3C_GPIO_PULL_NONE);
if (features.lcd_index != -1) {
int li;
mini2440_fb_info.displays =
&mini2440_lcd_cfg[features.lcd_index];
pr_info("MINI2440: LCD");
for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
if (li == features.lcd_index)
pr_cont(" [%d:%dx%d]", li,
mini2440_lcd_cfg[li].width,
mini2440_lcd_cfg[li].height);
else
pr_cont(" %d:%dx%d", li,
mini2440_lcd_cfg[li].width,
mini2440_lcd_cfg[li].height);
pr_cont("\n");
s3c24xx_fb_set_platdata(&mini2440_fb_info);
}
gpiod_add_lookup_table(&mini2440_udc_gpio_table);
s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
gpiod_add_lookup_table(&mini2440_mmc_gpio_table);
s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
s3c_nand_set_platdata(&mini2440_nand_info);
s3c_i2c0_set_platdata(NULL);
i2c_register_board_info(0, mini2440_i2c_devs,
ARRAY_SIZE(mini2440_i2c_devs));
/* Disable pull-up on the LED lines */
s3c_gpio_setpull(S3C2410_GPB(5), S3C_GPIO_PULL_NONE);
s3c_gpio_setpull(S3C2410_GPB(6), S3C_GPIO_PULL_NONE);
s3c_gpio_setpull(S3C2410_GPB(7), S3C_GPIO_PULL_NONE);
s3c_gpio_setpull(S3C2410_GPB(8), S3C_GPIO_PULL_NONE);
s3c_gpio_setpull(S3C2410_GPG(4), S3C_GPIO_PULL_NONE);
/* Add lookups for the lines */
gpiod_add_lookup_table(&mini2440_led1_gpio_table);
gpiod_add_lookup_table(&mini2440_led2_gpio_table);
gpiod_add_lookup_table(&mini2440_led3_gpio_table);
gpiod_add_lookup_table(&mini2440_led4_gpio_table);
gpiod_add_lookup_table(&mini2440_backlight_gpio_table);
platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
if (features.count) /* the optional features */
platform_add_devices(features.optional, features.count);
}
MACHINE_START(MINI2440, "MINI2440")
/* Maintainer: Michel Pollet <buserror@gmail.com> */
.atag_offset = 0x100,
.nr_irqs = NR_IRQS_S3C2440,
.map_io = mini2440_map_io,
.init_machine = mini2440_init,
.init_irq = s3c2440_init_irq,
.init_time = mini2440_init_time,
MACHINE_END
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