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authorPawel Osciak <p.osciak@samsung.com>2009-11-17 08:41:19 +0100
committerBen Dooks <ben-linux@fluff.org>2009-12-01 01:33:16 +0000
commitedd6e3f89d7fe245149669400bd213140c16d6e4 (patch)
treefd738a20b916fbe90e341a260b791601278a4f57 /arch/arm/plat-s5pc1xx
parentd7ab33a0b3511e3d738a7b52f20ee83daede4465 (diff)
ARM: S5PC1xx: add platform helpers for s3c-fb device
Samsung S5PC100 has LCD-controller compatible with the one known from previous SoCs series. Add required platform setup and support code that it can be used with s3c-fb driver. Signed-off-by: Pawel Osciak <p.osciak@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s5pc1xx')
-rw-r--r--arch/arm/plat-s5pc1xx/Kconfig5
-rw-r--r--arch/arm/plat-s5pc1xx/Makefile1
-rw-r--r--arch/arm/plat-s5pc1xx/setup-fb-24bpp.c49
3 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/plat-s5pc1xx/Kconfig b/arch/arm/plat-s5pc1xx/Kconfig
index 86edd27c7f2..6ac48a6fba7 100644
--- a/arch/arm/plat-s5pc1xx/Kconfig
+++ b/arch/arm/plat-s5pc1xx/Kconfig
@@ -37,6 +37,11 @@ config CPU_S5PC100_CLOCK
# platform specific device setup
+config S5PC1XX_SETUP_FB_24BPP
+ bool
+ help
+ Common setup code for S5PC1XX with an 24bpp RGB display helper.
+
config S5PC100_SETUP_I2C0
bool
default y
diff --git a/arch/arm/plat-s5pc1xx/Makefile b/arch/arm/plat-s5pc1xx/Makefile
index e860813cb8d..3d2ac7150b1 100644
--- a/arch/arm/plat-s5pc1xx/Makefile
+++ b/arch/arm/plat-s5pc1xx/Makefile
@@ -25,5 +25,6 @@ obj-$(CONFIG_CPU_S5PC100_CLOCK) += s5pc100-clock.o
# Device setup
obj-$(CONFIG_S5P_GPIO_CFG_S5PC1XX) += gpio-config.o
+obj-$(CONFIG_S5PC1XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S5PC100_SETUP_I2C0) += setup-i2c0.o
obj-$(CONFIG_S5PC100_SETUP_I2C1) += setup-i2c1.o
diff --git a/arch/arm/plat-s5pc1xx/setup-fb-24bpp.c b/arch/arm/plat-s5pc1xx/setup-fb-24bpp.c
new file mode 100644
index 00000000000..1a63768a9a2
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/setup-fb-24bpp.c
@@ -0,0 +1,49 @@
+/*
+ * linux/arch/arm/plat-s5pc100/setup-fb-24bpp.c
+ *
+ * Copyright 2009 Samsung Electronics
+ *
+ * Base S5PC1XX 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 <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-s5pc1xx.h>
+
+#define DISR_OFFSET 0x7008
+
+void s5pc100_fb_gpio_setup_24bpp(void)
+{
+ unsigned int gpio = 0;
+
+ for (gpio = S5PC100_GPF0(0); gpio <= S5PC100_GPF0(7); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ for (gpio = S5PC100_GPF1(0); gpio <= S5PC100_GPF1(7); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ for (gpio = S5PC100_GPF2(0); gpio <= S5PC100_GPF2(7); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ for (gpio = S5PC100_GPF3(0); gpio <= S5PC100_GPF3(3); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+}