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setup-fb-24bpp.c
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1 /* 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>
16 #include <linux/gpio.h>
17 
18 #include <mach/map.h>
19 #include <plat/fb.h>
20 #include <mach/regs-clock.h>
21 #include <plat/gpio-cfg.h>
22 
23 static void s5pv210_fb_cfg_gpios(unsigned int base, unsigned int nr)
24 {
25  s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(2));
26 
27  for (; nr > 0; nr--, base++)
29 }
30 
31 
33 {
34  s5pv210_fb_cfg_gpios(S5PV210_GPF0(0), 8);
35  s5pv210_fb_cfg_gpios(S5PV210_GPF1(0), 8);
36  s5pv210_fb_cfg_gpios(S5PV210_GPF2(0), 8);
37  s5pv210_fb_cfg_gpios(S5PV210_GPF3(0), 4);
38 
39  /* Set DISPLAY_CONTROL register for Display path selection.
40  *
41  * ouput | RGB | I80 | ITU
42  * -----------------------------------
43  * 00 | MIE | FIMD | FIMD
44  * 01 | MDNIE | MDNIE | FIMD
45  * 10 | FIMD | FIMD | FIMD
46  * 11 | FIMD | FIMD | FIMD
47  */
48  writel(0x2, S5P_MDNIE_SEL);
49 }