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[ARM] pcm038: Add framebuffer support 

Add framebuffer support for PCM038

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2009-01-15 12:44:45 +01:00
parent c0b90a31ef
commit 9db973a59b
1 changed files with 69 additions and 1 deletions
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70
arch/arm/mach-mx2/pcm970-baseboard.c
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@ -17,9 +17,76 @@
*/
#include <linux/platform_device.h>
#include <mach/hardware.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/imxfb.h>
#include <mach/iomux.h>
#include "devices.h"
static int mxc_fb_pins[] = {
PA5_PF_LSCLK, PA6_PF_LD0, PA7_PF_LD1, PA8_PF_LD2,
PA9_PF_LD3, PA10_PF_LD4, PA11_PF_LD5, PA12_PF_LD6,
PA13_PF_LD7, PA14_PF_LD8, PA15_PF_LD9, PA16_PF_LD10,
PA17_PF_LD11, PA18_PF_LD12, PA19_PF_LD13, PA20_PF_LD14,
PA21_PF_LD15, PA22_PF_LD16, PA23_PF_LD17, PA24_PF_REV,
PA25_PF_CLS, PA26_PF_PS, PA27_PF_SPL_SPR, PA28_PF_HSYNC,
PA29_PF_VSYNC, PA30_PF_CONTRAST, PA31_PF_OE_ACD
};
static int pcm038_fb_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_fb_pins,
ARRAY_SIZE(mxc_fb_pins), "FB");
}
static int pcm038_fb_exit(struct platform_device *pdev)
{
mxc_gpio_release_multiple_pins(mxc_fb_pins, ARRAY_SIZE(mxc_fb_pins));
return 0;
}
/*
* Connected is a portrait Sharp-QVGA display
* of type: LQ035Q7DH06
*/
static struct imx_fb_platform_data pcm038_fb_data = {
.pixclock = 188679, /* in ps (5.3MHz) */
.xres = 240,
.yres = 320,
.bpp = 16,
.hsync_len = 7,
.left_margin = 5,
.right_margin = 16,
.vsync_len = 1,
.upper_margin = 7,
.lower_margin = 9,
.fixed_screen_cpu = 0,
/*
* - HSYNC active high
* - VSYNC active high
* - clk notenabled while idle
* - clock not inverted
* - data not inverted
* - data enable low active
* - enable sharp mode
*/
.pcr = 0xFA0080C0,
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00020010,
.init = pcm038_fb_init,
.exit = pcm038_fb_exit,
};
/*
* system init for baseboard usage. Will be called by pcm038 init.
*
@ -28,4 +95,5 @@
*/
void __init pcm970_baseboard_init(void)
{
mxc_register_device(&mxc_fb_device, &pcm038_fb_data);
}