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Diffstat (limited to 'arch/arm/mach-s5pv210/setup-fb-24bpp.c')
-rw-r--r--arch/arm/mach-s5pv210/setup-fb-24bpp.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/setup-fb-24bpp.c b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
new file mode 100644
index 00000000..e932ebfa
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
@@ -0,0 +1,50 @@
+/* linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Base s5pv210 setup information for 24bpp LCD framebuffer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+
+#include <mach/regs-fb.h>
+#include <mach/map.h>
+#include <plat/fb.h>
+#include <mach/regs-clock.h>
+#include <plat/gpio-cfg.h>
+
+static void s5pv210_fb_cfg_gpios(unsigned int base, unsigned int nr)
+{
+ s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(2));
+
+ for (; nr > 0; nr--, base++)
+ s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4);
+}
+
+
+void s5pv210_fb_gpio_setup_24bpp(void)
+{
+ s5pv210_fb_cfg_gpios(S5PV210_GPF0(0), 8);
+ s5pv210_fb_cfg_gpios(S5PV210_GPF1(0), 8);
+ s5pv210_fb_cfg_gpios(S5PV210_GPF2(0), 8);
+ s5pv210_fb_cfg_gpios(S5PV210_GPF3(0), 4);
+
+ /* Set DISPLAY_CONTROL register for Display path selection.
+ *
+ * ouput | RGB | I80 | ITU
+ * -----------------------------------
+ * 00 | MIE | FIMD | FIMD
+ * 01 | MDNIE | MDNIE | FIMD
+ * 10 | FIMD | FIMD | FIMD
+ * 11 | FIMD | FIMD | FIMD
+ */
+ writel(0x2, S5P_MDNIE_SEL);
+}