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ARM: mxs: use auxdata to attach mxsfb_platform_data 

Use auxdata to attach mxsfb_platform_data for imx23-evk and imx28-evk.
We take this as a temporary solution for removing those board files,
and it should be updated to use common bindings for struct fb_videomode
when it becomes available.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2012-06-25 21:21:46 +08:00
parent 73fc610f9a
commit ab2815c399
1 changed files with 61 additions and 1 deletions
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62
arch/arm/mach-mxs/mach-mxs.c
View File

@ -16,12 +16,57 @@
#include <linux/init.h>
#include <linux/init.h>
#include <linux/irqdomain.h>
#include <linux/mxsfb.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
static struct fb_videomode mx23evk_video_modes[] = {
{
.name = "Samsung-LMS430HF02",
.refresh = 60,
.xres = 480,
.yres = 272,
.pixclock = 108096, /* picosecond (9.2 MHz) */
.left_margin = 15,
.right_margin = 8,
.upper_margin = 12,
.lower_margin = 4,
.hsync_len = 1,
.vsync_len = 1,
.sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
FB_SYNC_DOTCLK_FAILING_ACT,
},
};
static struct fb_videomode mx28evk_video_modes[] = {
{
.name = "Seiko-43WVF1G",
.refresh = 60,
.xres = 800,
.yres = 480,
.pixclock = 29851, /* picosecond (33.5 MHz) */
.left_margin = 89,
.right_margin = 164,
.upper_margin = 23,
.lower_margin = 10,
.hsync_len = 10,
.vsync_len = 10,
.sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
FB_SYNC_DOTCLK_FAILING_ACT,
},
};
static struct mxsfb_platform_data mxsfb_pdata __initdata;
static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("fsl,imx23-lcdif", 0x80030000, NULL, &mxsfb_pdata),
OF_DEV_AUXDATA("fsl,imx28-lcdif", 0x80030000, NULL, &mxsfb_pdata),
{ /* sentinel */ }
};
static int __init mxs_icoll_add_irq_domain(struct device_node *np,
struct device_node *interrupt_parent)
{
@ -133,6 +178,14 @@ static void __init update_fec_mac_prop(enum mac_oui oui)
}
}
static void __init imx23_evk_init(void)
{
mxsfb_pdata.mode_list = mx23evk_video_modes;
mxsfb_pdata.mode_count = ARRAY_SIZE(mx23evk_video_modes);
mxsfb_pdata.default_bpp = 32;
mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT;
}
static void __init imx28_evk_init(void)
{
struct clk *clk;
@ -143,15 +196,22 @@ static void __init imx28_evk_init(void)
clk_prepare_enable(clk);
update_fec_mac_prop(OUI_FSL);
mxsfb_pdata.mode_list = mx28evk_video_modes;
mxsfb_pdata.mode_count = ARRAY_SIZE(mx28evk_video_modes);
mxsfb_pdata.default_bpp = 32;
mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT;
}
static void __init mxs_machine_init(void)
{
if (of_machine_is_compatible("fsl,imx28-evk"))
imx28_evk_init();
else if (of_machine_is_compatible("fsl,imx23-evk"))
imx23_evk_init();
of_platform_populate(NULL, of_default_bus_match_table,
NULL, NULL);
mxs_auxdata_lookup, NULL);
}
static const char *imx23_dt_compat[] __initdata = {