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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>
hifive-unleashed-5.1
Sachin Kamat 2013-02-08 13:58:17 -08:00 committed by Kukjin Kim
parent 43afcbad76
commit 20901f74e1
3 changed files with 26 additions and 0 deletions
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8
arch/arm/boot/dts/exynos4.dtsi
View File

@ -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>;

1
arch/arm/mach-exynos/Kconfig
View File

@ -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.

17
arch/arm/mach-exynos/mach-exynos4-dt.c
View File

@ -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