805 lines
20 KiB
C
805 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
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// Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
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// and modifications by SBZ <sbz@spgui.org> and
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// Weibing <http://weibing.blogbus.com> and
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// Michel Pollet <buserror@gmail.com>
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//
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// For product information, visit https://code.google.com/p/mini2440/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/gpio/machine.h>
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#include <linux/input.h>
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#include <linux/io.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.h>
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#include <linux/dm9000.h>
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#include <linux/property.h>
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#include <linux/platform_device.h>
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#include <linux/gpio_keys.h>
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#include <linux/i2c.h>
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#include <linux/mmc/host.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <linux/platform_data/fb-s3c2410.h>
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#include <asm/mach-types.h>
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#include "regs-gpio.h"
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#include <linux/platform_data/leds-s3c24xx.h>
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#include "irqs.h"
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#include "gpio-samsung.h"
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#include <linux/platform_data/mtd-nand-s3c2410.h>
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#include <linux/platform_data/i2c-s3c2410.h>
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#include <linux/platform_data/mmc-s3cmci.h>
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#include <linux/platform_data/usb-s3c2410_udc.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/rawnand.h>
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#include <linux/mtd/nand-ecc-sw-hamming.h>
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#include <linux/mtd/partitions.h>
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#include "gpio-cfg.h"
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#include "devs.h"
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#include "cpu.h"
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#include <sound/s3c24xx_uda134x.h>
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#include "s3c24xx.h"
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#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
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static struct map_desc mini2440_iodesc[] __initdata = {
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/* nothing to declare, move along */
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};
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#define UCON S3C2410_UCON_DEFAULT
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#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
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#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
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static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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};
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/* USB device UDC support */
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static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
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};
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static struct gpiod_lookup_table mini2440_udc_gpio_table = {
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.dev_id = "s3c2410-usbgadget",
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.table = {
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GPIO_LOOKUP("GPIOC", 5, "pullup", GPIO_ACTIVE_HIGH),
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{ },
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},
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};
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/* LCD timing and setup */
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/*
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* This macro simplifies the table bellow
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*/
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#define _LCD_DECLARE(_clock, _xres, margin_left, margin_right, hsync, \
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_yres, margin_top, margin_bottom, vsync, refresh) \
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.width = _xres, \
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.xres = _xres, \
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.height = _yres, \
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.yres = _yres, \
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.left_margin = margin_left, \
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.right_margin = margin_right, \
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.upper_margin = margin_top, \
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.lower_margin = margin_bottom, \
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.hsync_len = hsync, \
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.vsync_len = vsync, \
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.pixclock = ((_clock*100000000000LL) / \
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((refresh) * \
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(hsync + margin_left + _xres + margin_right) * \
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(vsync + margin_top + _yres + margin_bottom))), \
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.bpp = 16,\
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.type = (S3C2410_LCDCON1_TFT16BPP |\
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S3C2410_LCDCON1_TFT)
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static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
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[0] = { /* mini2440 + 3.5" TFT + touchscreen */
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_LCD_DECLARE(
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7, /* The 3.5 is quite fast */
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240, 21, 38, 6, /* x timing */
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320, 4, 4, 2, /* y timing */
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60), /* refresh rate */
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.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
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S3C2410_LCDCON5_INVVLINE |
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S3C2410_LCDCON5_INVVFRAME |
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S3C2410_LCDCON5_INVVDEN |
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S3C2410_LCDCON5_PWREN),
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},
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[1] = { /* mini2440 + 7" TFT + touchscreen */
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_LCD_DECLARE(
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10, /* the 7" runs slower */
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800, 40, 40, 48, /* x timing */
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480, 29, 3, 3, /* y timing */
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50), /* refresh rate */
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.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
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S3C2410_LCDCON5_INVVLINE |
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S3C2410_LCDCON5_INVVFRAME |
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S3C2410_LCDCON5_PWREN),
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},
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/* The VGA shield can outout at several resolutions. All share
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* the same timings, however, anything smaller than 1024x768
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* will only be displayed in the top left corner of a 1024x768
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* XGA output unless you add optional dip switches to the shield.
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* Therefore timings for other resolutions have been omitted here.
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*/
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[2] = {
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_LCD_DECLARE(
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10,
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1024, 1, 2, 2, /* y timing */
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768, 200, 16, 16, /* x timing */
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24), /* refresh rate, maximum stable,
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* tested with the FPGA shield
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*/
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.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
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S3C2410_LCDCON5_HWSWP),
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},
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/* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/
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[3] = {
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_LCD_DECLARE(
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/* clock */
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7,
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/* xres, margin_right, margin_left, hsync */
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320, 68, 66, 4,
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/* yres, margin_top, margin_bottom, vsync */
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240, 4, 4, 9,
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/* refresh rate */
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60),
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.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
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S3C2410_LCDCON5_INVVDEN |
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S3C2410_LCDCON5_INVVFRAME |
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S3C2410_LCDCON5_INVVLINE |
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S3C2410_LCDCON5_INVVCLK |
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S3C2410_LCDCON5_HWSWP),
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},
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};
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/* todo - put into gpio header */
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#define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
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#define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
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static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
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.displays = &mini2440_lcd_cfg[0], /* not constant! see init */
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.num_displays = 1,
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.default_display = 0,
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/* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
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* and disable the pull down resistors on pins we are using for LCD
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* data.
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*/
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.gpcup = (0xf << 1) | (0x3f << 10),
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.gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE |
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S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
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S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 |
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S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 |
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S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7),
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.gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
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S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
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S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
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S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
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S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
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.gpccon_reg = S3C2410_GPCCON,
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.gpcup_reg = S3C2410_GPCUP,
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.gpdup = (0x3f << 2) | (0x3f << 10),
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.gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 |
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S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 |
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S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 |
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S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
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S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
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S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
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.gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
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S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
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S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
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S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
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S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
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S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
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.gpdcon_reg = S3C2410_GPDCON,
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.gpdup_reg = S3C2410_GPDUP,
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};
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/* MMC/SD */
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static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
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.wprotect_invert = 1,
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.set_power = s3c24xx_mci_def_set_power,
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.ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34,
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};
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static struct gpiod_lookup_table mini2440_mmc_gpio_table = {
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.dev_id = "s3c2410-sdi",
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.table = {
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/* Card detect S3C2410_GPG(8) */
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GPIO_LOOKUP("GPIOG", 8, "cd", GPIO_ACTIVE_LOW),
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/* Write protect S3C2410_GPH(8) */
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GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_HIGH),
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/* bus pins */
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GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
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GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
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GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
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GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
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GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
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GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
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{ },
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},
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};
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/* NAND Flash on MINI2440 board */
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static struct mtd_partition mini2440_default_nand_part[] __initdata = {
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[0] = {
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.name = "u-boot",
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.size = SZ_256K,
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.offset = 0,
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},
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[1] = {
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.name = "u-boot-env",
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.size = SZ_128K,
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.offset = SZ_256K,
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},
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[2] = {
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.name = "kernel",
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/* 5 megabytes, for a kernel with no modules
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* or a uImage with a ramdisk attached
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*/
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.size = 0x00500000,
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.offset = SZ_256K + SZ_128K,
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},
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[3] = {
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.name = "root",
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.offset = SZ_256K + SZ_128K + 0x00500000,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
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[0] = {
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.name = "nand",
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.nr_chips = 1,
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.nr_partitions = ARRAY_SIZE(mini2440_default_nand_part),
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.partitions = mini2440_default_nand_part,
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.flash_bbt = 1, /* we use u-boot to create a BBT */
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},
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};
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static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
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.tacls = 0,
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.twrph0 = 25,
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.twrph1 = 15,
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.nr_sets = ARRAY_SIZE(mini2440_nand_sets),
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.sets = mini2440_nand_sets,
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.ignore_unset_ecc = 1,
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.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST,
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};
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/* DM9000AEP 10/100 ethernet controller */
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static struct resource mini2440_dm9k_resource[] = {
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[0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
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[1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
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[2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ
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| IORESOURCE_IRQ_HIGHEDGE),
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};
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/*
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* The DM9000 has no eeprom, and it's MAC address is set by
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* the bootloader before starting the kernel.
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*/
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static struct dm9000_plat_data mini2440_dm9k_pdata = {
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.flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
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};
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static struct platform_device mini2440_device_eth = {
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.name = "dm9000",
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.id = -1,
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.num_resources = ARRAY_SIZE(mini2440_dm9k_resource),
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.resource = mini2440_dm9k_resource,
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.dev = {
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.platform_data = &mini2440_dm9k_pdata,
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},
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};
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/* CON5
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* +--+ /-----\
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* | | | |
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* | | | BAT |
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* | | \_____/
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* | |
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* | | +----+ +----+
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* | | | K5 | | K1 |
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* | | +----+ +----+
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* | | +----+ +----+
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* | | | K4 | | K2 |
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* | | +----+ +----+
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* | | +----+ +----+
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* | | | K6 | | K3 |
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* | | +----+ +----+
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* .....
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*/
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static struct gpio_keys_button mini2440_buttons[] = {
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{
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.gpio = S3C2410_GPG(0), /* K1 */
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.code = KEY_F1,
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.desc = "Button 1",
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.active_low = 1,
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},
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{
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.gpio = S3C2410_GPG(3), /* K2 */
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.code = KEY_F2,
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.desc = "Button 2",
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.active_low = 1,
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},
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{
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.gpio = S3C2410_GPG(5), /* K3 */
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.code = KEY_F3,
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.desc = "Button 3",
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.active_low = 1,
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},
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{
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.gpio = S3C2410_GPG(6), /* K4 */
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.code = KEY_POWER,
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.desc = "Power",
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.active_low = 1,
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},
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{
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.gpio = S3C2410_GPG(7), /* K5 */
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.code = KEY_F5,
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.desc = "Button 5",
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.active_low = 1,
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},
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#if 0
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/* this pin is also known as TCLK1 and seems to already
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* marked as "in use" somehow in the kernel -- possibly wrongly
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*/
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{
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.gpio = S3C2410_GPG(11), /* K6 */
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.code = KEY_F6,
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.desc = "Button 6",
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.active_low = 1,
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},
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#endif
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};
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static struct gpio_keys_platform_data mini2440_button_data = {
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.buttons = mini2440_buttons,
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.nbuttons = ARRAY_SIZE(mini2440_buttons),
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};
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static struct platform_device mini2440_button_device = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &mini2440_button_data,
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}
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};
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/* LEDS */
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static struct gpiod_lookup_table mini2440_led1_gpio_table = {
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.dev_id = "s3c24xx_led.1",
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.table = {
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GPIO_LOOKUP("GPB", 5, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
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{ },
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},
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};
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static struct gpiod_lookup_table mini2440_led2_gpio_table = {
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.dev_id = "s3c24xx_led.2",
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.table = {
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GPIO_LOOKUP("GPB", 6, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
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{ },
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},
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};
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static struct gpiod_lookup_table mini2440_led3_gpio_table = {
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.dev_id = "s3c24xx_led.3",
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.table = {
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GPIO_LOOKUP("GPB", 7, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
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{ },
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},
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};
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static struct gpiod_lookup_table mini2440_led4_gpio_table = {
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.dev_id = "s3c24xx_led.4",
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.table = {
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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
|