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Marek Szyprowski5b696a62010-05-20 08:13:04 +02001/* linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c
2 *
3 * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Base s5pv210 setup information for 24bpp LCD framebuffer
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/kernel.h>
14#include <linux/types.h>
15#include <linux/fb.h>
Kukjin Kim1c739c72010-08-05 07:54:49 +090016#include <linux/gpio.h>
Marek Szyprowski5b696a62010-05-20 08:13:04 +020017
18#include <mach/regs-fb.h>
Marek Szyprowski5b696a62010-05-20 08:13:04 +020019#include <mach/map.h>
20#include <plat/fb.h>
21#include <mach/regs-clock.h>
22#include <plat/gpio-cfg.h>
23
Ben Dooks53134a72010-05-27 17:02:32 +090024static void s5pv210_fb_cfg_gpios(unsigned int base, unsigned int nr)
25{
Kukjin Kima7aac9d2010-10-01 20:12:24 +090026 s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(2));
Ben Dooks53134a72010-05-27 17:02:32 +090027
28 for (; nr > 0; nr--, base++)
29 s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4);
30}
31
32
Marek Szyprowski5b696a62010-05-20 08:13:04 +020033void s5pv210_fb_gpio_setup_24bpp(void)
34{
Ben Dooks53134a72010-05-27 17:02:32 +090035 s5pv210_fb_cfg_gpios(S5PV210_GPF0(0), 8);
36 s5pv210_fb_cfg_gpios(S5PV210_GPF1(0), 8);
37 s5pv210_fb_cfg_gpios(S5PV210_GPF2(0), 8);
38 s5pv210_fb_cfg_gpios(S5PV210_GPF3(0), 4);
Marek Szyprowski5b696a62010-05-20 08:13:04 +020039
40 /* Set DISPLAY_CONTROL register for Display path selection.
41 *
42 * ouput | RGB | I80 | ITU
43 * -----------------------------------
44 * 00 | MIE | FIMD | FIMD
45 * 01 | MDNIE | MDNIE | FIMD
46 * 10 | FIMD | FIMD | FIMD
47 * 11 | FIMD | FIMD | FIMD
48 */
49 writel(0x2, S5P_MDNIE_SEL);
50}