This patch adds MFC codec support for Exynos4 DT machines.
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
---
arch/arm/boot/dts/exynos4.dtsi | 8 ++++++++
arch/arm/mach-exynos/Kconfig | 1 +
arch/arm/mach-exynos/mach-exynos4-dt.c | 17 +++++++++++++++++
3 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index e1347fc..6581bb2 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 e103c29..f0d8f09 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -415,6 +415,7 @@ config MACH_EXYNOS4_DT
select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD
select PINCTRL
select PINCTRL_EXYNOS4
+ 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 ab1dacc..8ae8da1 100644
--- a/arch/arm/mach-exynos/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
@@ -12,7 +12,9 @@
*/
#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 <asm/hardware/gic.h>
@@ -20,6 +22,7 @@
#include <plat/cpu.h>
#include <plat/regs-serial.h>
+#include <plat/mfc.h>
#include "common.h"
@@ -80,6 +83,7 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_MDMA1, "dma-pl330.2", NULL),
OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU,
"exynos-tmu", NULL),
+ OF_DEV_AUXDATA("samsung,mfc-v5", 0x13400000, "s5p-mfc", NULL),
{},
};
@@ -102,6 +106,18 @@ 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@xxxxxxxxxx> */
.smp = smp_ops(exynos_smp_ops),
@@ -114,4 +130,5 @@ DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
.timer = &exynos4_timer,
.dt_compat = exynos4_dt_compat,
.restart = exynos4_restart,
+ .reserve = exynos4_reserve,
MACHINE_END
--
1.7.4.1
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