diff options
| author | Arun Kumar K <arun.kk@samsung.com> | 2012-10-23 22:51:33 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-10-19 10:26:31 +0900 |
| commit | 2eae613b95a786714bd1b5825ea3abc78d229d3f (patch) | |
| tree | 01999929d439e632ee08e1f3ec79bf5cd1ba3d28 /arch/arm/mach-exynos | |
| parent | 70191db9308e33b5d0063f3a4a6ad22abf594a9d (diff) | |
| download | op-kernel-dev-2eae613b95a786714bd1b5825ea3abc78d229d3f.zip op-kernel-dev-2eae613b95a786714bd1b5825ea3abc78d229d3f.tar.gz | |
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>
Diffstat (limited to 'arch/arm/mach-exynos')
| -rw-r--r-- | arch/arm/mach-exynos/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/clock-exynos5.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/mach-exynos5-dt.c | 16 |
3 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index da55107..bb3b09a 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -63,6 +63,7 @@ config SOC_EXYNOS5250 depends on ARCH_EXYNOS5 select S5P_PM if PM select S5P_SLEEP if PM + select S5P_DEV_MFC select SAMSUNG_DMADEV help Enable EXYNOS5250 SoC support diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c index c44ca1e..8c4e325 100644 --- a/arch/arm/mach-exynos/clock-exynos5.c +++ b/arch/arm/mach-exynos/clock-exynos5.c @@ -664,7 +664,7 @@ static struct clk exynos5_init_clocks_off[] = { .ctrlbit = (1 << 25), }, { .name = "mfc", - .devname = "s5p-mfc", + .devname = "s5p-mfc-v6", .enable = exynos5_clk_ip_mfc_ctrl, .ctrlbit = (1 << 0), }, { diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index db1cd8e..b7f1154 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 |
