[ARM] pcm038: Add framebuffer support

Add framebuffer support for PCM038

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

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 a560cd6..232e041 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);
 }