[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 a560cd6ad23d..232e0416f15b 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);
 }