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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-01-15 12:44:45 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-03-13 10:34:08 +0100 |
| commit | 9db973a59b73fb5baf69f8b5d005daccec6d997e (patch) | |
| tree | f2f93be36930511ec642104e3bb43f154c10bf1a /arch/arm | |
| parent | c0b90a31efe30987ab4bb21298b410913779e62f (diff) | |
| download | linux-3.10-9db973a59b73fb5baf69f8b5d005daccec6d997e.tar.gz linux-3.10-9db973a59b73fb5baf69f8b5d005daccec6d997e.tar.bz2 linux-3.10-9db973a59b73fb5baf69f8b5d005daccec6d997e.zip | |
[ARM] pcm038: Add framebuffer support
Add framebuffer support for PCM038
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-mx2/pcm970-baseboard.c | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c index a560cd6ad23..232e0416f15 100644 --- a/arch/arm/mach-mx2/pcm970-baseboard.c +++ b/arch/arm/mach-mx2/pcm970-baseboard.c @@ -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); } |