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authorSachin Kamat <sachin.kamat@linaro.org>2013-02-08 22:58:17 +0100
committerKukjin Kim <kgene.kim@samsung.com>2013-03-07 11:41:36 +0100
commit20901f74e16965cbeb1f6cdc282140fc0bafd28f (patch)
tree5ab348bdc3e386effc19609378639a85717a8ba5
parentARM: dts: Update MFC DT binding documentation (diff)
downloadlinux-20901f74e16965cbeb1f6cdc282140fc0bafd28f.tar.xz
linux-20901f74e16965cbeb1f6cdc282140fc0bafd28f.zip
ARM: dts: Add MFC codec support for EXYNOS4 DT machines
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
-rw-r--r--arch/arm/boot/dts/exynos4.dtsi8
-rw-r--r--arch/arm/mach-exynos/Kconfig1
-rw-r--r--arch/arm/mach-exynos/mach-exynos4-dt.c17
3 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index e1347fceb5bc..6581bb2252e7 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -131,6 +131,14 @@
status = "disabled";
};
+ mfc: codec@13400000 {
+ compatible = "samsung,mfc-v5";
+ reg = <0x13400000 0x10000>;
+ interrupts = <0 94 0>;
+ samsung,power-domain = <&pd_mfc>;
+ status = "disabled";
+ };
+
serial@13800000 {
compatible = "samsung,exynos4210-uart";
reg = <0x13800000 0x100>;
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 70f94c87479d..78bd3479c7e1 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -410,6 +410,7 @@ config MACH_EXYNOS4_DT
select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD
select PINCTRL
select PINCTRL_EXYNOS
+ select S5P_DEV_MFC
select USE_OF
help
Machine support for Samsung Exynos4 machine with device tree enabled.
diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c
index 3358088c822a..fad268f8548c 100644
--- a/arch/arm/mach-exynos/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
@@ -12,13 +12,16 @@
*/
#include <linux/of_platform.h>
+#include <linux/of_fdt.h>
#include <linux/serial_core.h>
+#include <linux/memblock.h>
#include <asm/mach/arch.h>
#include <mach/map.h>
#include <plat/cpu.h>
#include <plat/regs-serial.h>
+#include <plat/mfc.h>
#include "common.h"
@@ -113,6 +116,7 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = {
"exynos-sysmmu.14", NULL), /* FIMC-LITE0(4x12) */
OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x123C0000,
"exynos-sysmmu.15", NULL), /* FIMC-LITE1(4x12) */
+ OF_DEV_AUXDATA("samsung,mfc-v5", 0x13400000, "s5p-mfc", NULL),
{},
};
@@ -135,6 +139,18 @@ static char const *exynos4_dt_compat[] __initdata = {
NULL
};
+static void __init exynos4_reserve(void)
+{
+#ifdef CONFIG_S5P_DEV_MFC
+ struct s5p_mfc_dt_meminfo mfc_mem;
+
+ /* Reserve memory for MFC only if it's available */
+ mfc_mem.compatible = "samsung,mfc-v5";
+ 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);
+#endif
+}
DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
/* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
.smp = smp_ops(exynos_smp_ops),
@@ -145,4 +161,5 @@ DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
.init_time = exynos4_timer_init,
.dt_compat = exynos4_dt_compat,
.restart = exynos4_restart,
+ .reserve = exynos4_reserve,
MACHINE_END