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[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: Ben Dooks <ben-linux@fluff.org>
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@ -53,4 +53,9 @@ config S3C64XX_SETUP_I2C1
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help
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Common setup code for i2c bus 1.
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config S3C64XX_SETUP_FB_24BPP
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bool
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help
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Common setup code for S3C64XX with an 24bpp RGB display helper.
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endif
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@ -28,3 +28,4 @@ obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o
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obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
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obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o
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obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
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37
arch/arm/plat-s3c64xx/setup-fb-24bpp.c
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37
arch/arm/plat-s3c64xx/setup-fb-24bpp.c
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@ -0,0 +1,37 @@
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/* linux/arch/arm/plat-s3c64xx/setup-fb-24bpp.c
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*
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* Copyright 2008 Openmoko, Inc.
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* Copyright 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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* http://armlinux.simtec.co.uk/
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*
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* Base S3C64XX setup information for 24bpp LCD framebuffer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/fb.h>
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#include <mach/regs-fb.h>
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#include <mach/gpio.h>
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#include <plat/fb.h>
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#include <plat/gpio-cfg.h>
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extern void s3c64xx_fb_gpio_setup_24bpp(void)
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{
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unsigned int gpio;
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for (gpio = S3C64XX_GPI(0); gpio <= S3C64XX_GPI(15); gpio++) {
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s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
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s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
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}
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for (gpio = S3C64XX_GPJ(0); gpio <= S3C64XX_GPJ(11); gpio++) {
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s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
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s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
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}
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}
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