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Commit c7a0401e authored by Ben Dooks's avatar Ben Dooks
Browse files

[ARM] S3C64XX: Add standard S3C64XX 24BPP LCD GPIO setup 



Add a standard helper to configure the LCD output pins for a 24BPP
display with VSYNC/HSYNC/VDEN.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 58435f7b

arch/arm/plat-s3c64xx/Kconfig

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@@ -53,4 +53,9 @@ config S3C64XX_SETUP_I2C1 
	help

	  Common setup code for i2c bus 1.



config S3C64XX_SETUP_FB_24BPP

	bool

	help

	  Common setup code for S3C64XX with an 24bpp RGB display helper.



endif

arch/arm/plat-s3c64xx/Makefile

+1 −0
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@@ -28,3 +28,4 @@ obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o 


obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o

obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o

obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o

arch/arm/plat-s3c64xx/setup-fb-24bpp.c

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/* linux/arch/arm/plat-s3c64xx/setup-fb-24bpp.c

 *

 * Copyright 2008 Openmoko, Inc.

 * Copyright 2008 Simtec Electronics

 *	Ben Dooks <ben@simtec.co.uk>

 *	http://armlinux.simtec.co.uk/

 *

 * Base S3C64XX setup information for 24bpp LCD framebuffer

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

*/



#include <linux/kernel.h>

#include <linux/types.h>

#include <linux/fb.h>



#include <mach/regs-fb.h>

#include <mach/gpio.h>

#include <plat/fb.h>

#include <plat/gpio-cfg.h>



extern void s3c64xx_fb_gpio_setup_24bpp(void)

{

	unsigned int gpio;



	for (gpio = S3C64XX_GPI(0); gpio <= S3C64XX_GPI(15); gpio++) {

		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));

		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);

	}



	for (gpio = S3C64XX_GPJ(0); gpio <= S3C64XX_GPJ(11); gpio++) {

		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));

		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);

	}

}