@@ -255,6 +255,7 @@ endchoice
config MACH_IMX25_DT
bool "Support i.MX25 platforms from device tree"
select SOC_IMX25
+ select IMX_HAVE_PLATFORM_IMX_FB
help
Include support for Freescale i.MX25 based platforms
using the device tree for discovery
@@ -12,16 +12,89 @@
#include <linux/irq.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/platform_data/video-imxfb.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include "common.h"
#include "mx25.h"
+static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
+ {
+ .mode = {
+ .name = "CMO-QVGA",
+ .refresh = 60,
+ .xres = 320,
+ .yres = 240,
+ .pixclock = KHZ2PICOS(6500),
+ .left_margin = 30,
+ .right_margin = 38,
+ .upper_margin = 20,
+ .lower_margin = 3,
+ .hsync_len = 15,
+ .vsync_len = 4,
+ },
+ .bpp = 16,
+ .pcr = 0xCAD08B80,
+ }, {
+ .mode = {
+ .name = "DVI-VGA",
+ .refresh = 60,
+ .xres = 640,
+ .yres = 480,
+ .pixclock = 32000,
+ .hsync_len = 7,
+ .left_margin = 100,
+ .right_margin = 100,
+ .vsync_len = 7,
+ .upper_margin = 7,
+ .lower_margin = 100,
+ },
+ .pcr = 0xFA208B80,
+ .bpp = 16,
+ }, {
+ .mode = {
+ .name = "DVI-SVGA",
+ .refresh = 60,
+ .xres = 800,
+ .yres = 600,
+ .pixclock = 25000,
+ .hsync_len = 7,
+ .left_margin = 75,
+ .right_margin = 75,
+ .vsync_len = 7,
+ .upper_margin = 7,
+ .lower_margin = 75,
+ },
+ .pcr = 0xFA208B80,
+ .bpp = 16,
+ },
+};
+
+static struct imx_fb_platform_data imxfb_pdata __initdata;
+
+static struct of_dev_auxdata imx_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("fsl,imx21-lcdif", 0x53fbc000, "imx21-fb", &imxfb_pdata),
+ { /* sentinel */ }
+};
+
+static void __init eukrea_mximxsd_init(void)
+{
+ imxfb_pdata.mode = eukrea_mximxsd_modes;
+ imxfb_pdata.num_modes = ARRAY_SIZE(eukrea_mximxsd_modes);
+ imxfb_pdata.pwmr = 0x00A903FF;
+ imxfb_pdata.lscr1 = 0x00120300;
+ imxfb_pdata.dmacr = 0x00040060;
+}
+
static void __init imx25_dt_init(void)
{
mxc_arch_reset_init_dt();
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ if (of_machine_is_compatible("fsl,eukrea_cpuimx25"))
+ eukrea_mximxsd_init();
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ imx_auxdata_lookup, NULL);
}
static const char * const imx25_dt_board_compat[] __initconst = {
This commit is based on the following commit: ab2815c3997b179f043a747264d155ab0bc181ad ARM: mxs: use auxdata to attach mxsfb_platform_data Signed-off-by: Denis Carikli <denis@eukrea.com> --- arch/arm/mach-imx/Kconfig | 1 + arch/arm/mach-imx/imx25-dt.c | 75 +++++++++++++++++++++++++++++++++++++++++- 2 files changed, 75 insertions(+), 1 deletion(-)