From 2eae613b95a786714bd1b5825ea3abc78d229d3f Mon Sep 17 00:00:00 2001
From: Arun Kumar K <arun.kk@samsung.com>
Date: Tue, 23 Oct 2012 22:51:33 +0900
Subject: ARM: EXYNOS: Add MFC device tree support

This patch adds device tree entry for MFC v6 in the Exynos5
SoC. Makes the required changes in the clock files and adds
MFC to the DT device list.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
[kgene.kim@samsung.com: fixed section mismatches Seung-Woo Kim reported]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-exynos/mach-exynos5-dt.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'arch/arm/mach-exynos/mach-exynos5-dt.c')

diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index db1cd8eacf28..b7f1154088bd 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -11,6 +11,8 @@
 
 #include <linux/of_platform.h>
 #include <linux/serial_core.h>
+#include <linux/memblock.h>
+#include <linux/of_fdt.h>
 
 #include <asm/mach/arch.h>
 #include <asm/hardware/gic.h>
@@ -18,6 +20,7 @@
 
 #include <plat/cpu.h>
 #include <plat/regs-serial.h>
+#include <plat/mfc.h>
 
 #include "common.h"
 
@@ -72,6 +75,7 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
 				"exynos-gsc.2", NULL),
 	OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3,
 				"exynos-gsc.3", NULL),
+	OF_DEV_AUXDATA("samsung,mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
 	{},
 };
 
@@ -92,6 +96,17 @@ static char const *exynos5250_dt_compat[] __initdata = {
 	NULL
 };
 
+static void __init exynos5_reserve(void)
+{
+	struct s5p_mfc_dt_meminfo mfc_mem;
+
+	/* Reserve memory for MFC only if it's available */
+	mfc_mem.compatible = "samsung,mfc-v6";
+	if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
+		s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
+				mfc_mem.lsize);
+}
+
 DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 	.init_irq	= exynos5_init_irq,
@@ -103,4 +118,5 @@ DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
 	.timer		= &exynos4_timer,
 	.dt_compat	= exynos5250_dt_compat,
 	.restart        = exynos5_restart,
+	.reserve	= exynos5_reserve,
 MACHINE_END
-- 
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