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authorSascha Hauer <s.hauer@pengutronix.de>2009-01-15 12:44:45 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2009-03-13 10:34:08 +0100
commit9db973a59b73fb5baf69f8b5d005daccec6d997e (patch)
treef2f93be36930511ec642104e3bb43f154c10bf1a /arch/arm/mach-mx2
parentc0b90a31efe30987ab4bb21298b410913779e62f (diff)
[ARM] pcm038: Add framebuffer support
Add framebuffer support for PCM038 Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx2')
-rw-r--r--arch/arm/mach-mx2/pcm970-baseboard.c70
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);
}