From: ajaykumar.rs@samsung.com (Ajay Kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V4 4/6] ARM: S5P64X0: Add GPIO setup for LCD
Date: Fri, 09 Sep 2011 14:01:39 -0400 [thread overview]
Message-ID: <1315591301-17166-5-git-send-email-ajaykumar.rs@samsung.com> (raw)
In-Reply-To: <1315591301-17166-1-git-send-email-ajaykumar.rs@samsung.com>
This patch adds GPIO lines settings(HSYNC, VSYNC, VCLK and VD) for LCD.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
---
arch/arm/mach-s5p64x0/Kconfig | 6 ++++++
arch/arm/mach-s5p64x0/Makefile | 1 +
arch/arm/mach-s5p64x0/setup-fb-24bpp.c | 29 +++++++++++++++++++++++++++++
arch/arm/plat-samsung/include/plat/fb.h | 7 +++++++
4 files changed, 43 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-s5p64x0/setup-fb-24bpp.c
diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig
index 65c7518..7bec400 100644
--- a/arch/arm/mach-s5p64x0/Kconfig
+++ b/arch/arm/mach-s5p64x0/Kconfig
@@ -21,6 +21,12 @@ config CPU_S5P6450
help
Enable S5P6450 CPU support
+config S5P64X0_SETUP_FB_24BPP
+ bool
+ help
+ Common setup code for S5P64X0 based boards with a LCD display
+ through RGB interface.
+
config S5P64X0_SETUP_I2C1
bool
help
diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile
index 5f6afdf..1bf54b2 100644
--- a/arch/arm/mach-s5p64x0/Makefile
+++ b/arch/arm/mach-s5p64x0/Makefile
@@ -28,3 +28,4 @@ obj-y += dev-audio.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
obj-$(CONFIG_S5P64X0_SETUP_I2C1) += setup-i2c1.o
+obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP) += setup-fb-24bpp.o
diff --git a/arch/arm/mach-s5p64x0/setup-fb-24bpp.c b/arch/arm/mach-s5p64x0/setup-fb-24bpp.c
new file mode 100644
index 0000000..f346ee4
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/setup-fb-24bpp.c
@@ -0,0 +1,29 @@
+/* linux/arch/arm/mach-s5p64x0/setup-fb-24bpp.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Base S5P64X0 GPIO setup information for 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/fb.h>
+#include <linux/gpio.h>
+
+#include <plat/cpu.h>
+#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
+
+void s5p64x0_fb_gpio_setup_24bpp(void)
+{
+ if (soc_is_s5p6440()) {
+ s3c_gpio_cfgrange_nopull(S5P6440_GPI(0), 16, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgrange_nopull(S5P6440_GPJ(0), 12, S3C_GPIO_SFN(2));
+ } else if (soc_is_s5p6450()) {
+ s3c_gpio_cfgrange_nopull(S5P6450_GPI(0), 16, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgrange_nopull(S5P6450_GPJ(0), 12, S3C_GPIO_SFN(2));
+ }
+}
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index 01f10e4..0fedf47 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -109,4 +109,11 @@ extern void s5pv210_fb_gpio_setup_24bpp(void);
*/
extern void exynos4_fimd0_gpio_setup_24bpp(void);
+/**
+ * s5p64x0_fb_gpio_setup_24bpp() - S5P6440/S5P6450 setup function for 24bpp LCD
+ *
+ * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
+ */
+extern void s5p64x0_fb_gpio_setup_24bpp(void);
+
#endif /* __PLAT_S3C_FB_H */
--
1.7.0.4
next prev parent reply other threads:[~2011-09-09 18:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-09 18:01 [PATCH V4 0/6] ARM: S5P64X0: Add Framebuffer support Ajay Kumar
2011-09-09 18:01 ` [PATCH V4 RESEND 1/6] video: s3c-fb: Add S5P64X0 specific s3c_fb_driverdata Ajay Kumar
2011-09-09 18:01 ` [PATCH V4 RESEND 2/6] ARM: S5P64X0: Add register base and IRQ for Framebuffer Ajay Kumar
2011-09-09 18:01 ` [PATCH V4 RESEND 3/6] ARM: S5P64X0: Set s3c_device_fb name Ajay Kumar
2011-09-09 18:01 ` Ajay Kumar [this message]
2011-09-09 18:01 ` [PATCH V4 5/6] ARM: S5P6440: Add LCD-LTE480 and enable Framebuffer support Ajay Kumar
2011-09-14 13:06 ` Kukjin Kim
2011-09-09 18:01 ` [PATCH V4 6/6] ARM: S5P6450: " Ajay Kumar
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