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796 lines
20 KiB
796 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// Copyright (c) 2008 Ramax Lo <[email protected]> |
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// Based on mach-anubis.c by Ben Dooks <[email protected]> |
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// and modifications by SBZ <[email protected]> and |
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// Weibing <http://weibing.blogbus.com> and |
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// Michel Pollet <[email protected]> |
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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 <mach/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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.pullup_pin = S3C2410_GPC(5), |
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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), |
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{ }, |
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}, |
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}; |
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static struct gpiod_lookup_table mini2440_backlight_gpio_table = { |
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.dev_id = "s3c24xx_led.5", |
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.table = { |
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GPIO_LOOKUP("GPG", 4, NULL, GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static struct s3c24xx_led_platdata mini2440_led1_pdata = { |
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.name = "led1", |
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.def_trigger = "heartbeat", |
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}; |
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static struct s3c24xx_led_platdata mini2440_led2_pdata = { |
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.name = "led2", |
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.def_trigger = "nand-disk", |
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}; |
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static struct s3c24xx_led_platdata mini2440_led3_pdata = { |
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.name = "led3", |
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.def_trigger = "mmc0", |
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}; |
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static struct s3c24xx_led_platdata mini2440_led4_pdata = { |
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.name = "led4", |
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.def_trigger = "", |
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}; |
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static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = { |
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.name = "backlight", |
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.def_trigger = "backlight", |
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}; |
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static struct platform_device mini2440_led1 = { |
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.name = "s3c24xx_led", |
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.id = 1, |
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.dev = { |
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.platform_data = &mini2440_led1_pdata, |
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}, |
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}; |
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static struct platform_device mini2440_led2 = { |
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.name = "s3c24xx_led", |
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.id = 2, |
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.dev = { |
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.platform_data = &mini2440_led2_pdata, |
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}, |
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}; |
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static struct platform_device mini2440_led3 = { |
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.name = "s3c24xx_led", |
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.id = 3, |
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.dev = { |
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.platform_data = &mini2440_led3_pdata, |
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}, |
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}; |
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static struct platform_device mini2440_led4 = { |
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.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 = { |
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.l3_clk = S3C2410_GPB(4), |
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.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) |
|
strlcpy(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); |
|
} |
|
|
|
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 <[email protected]> */ |
|
.atag_offset = 0x100, |
|
.map_io = mini2440_map_io, |
|
.init_machine = mini2440_init, |
|
.init_irq = s3c2440_init_irq, |
|
.init_time = mini2440_init_time, |
|
MACHINE_END
|
|
|