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author | Marek Szyprowski <m.szyprowski@samsung.com> | 2016-02-18 14:12:58 (GMT) |
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committer | Joerg Roedel <jroedel@suse.de> | 2016-02-25 14:32:10 (GMT) |
commit | 740a01eee9ada98b6ccdd2bcb1a5b2470f292fc7 (patch) | |
tree | f91225e45fc43dea1485e16822939c702d71f459 /Documentation/devicetree/bindings/iommu | |
parent | e6802707fbfacfa0a4668d176dc2f0f9dd6637be (diff) | |
download | linux-740a01eee9ada98b6ccdd2bcb1a5b2470f292fc7.tar.xz |
iommu/exynos: Add support for v5 SYSMMU
This patch adds support for v5 of SYSMMU controller, found in Samsung
Exynos 5433 SoCs. The main difference of v5 is support for 36-bit physical
address space and some changes in register layout and core clocks hanging.
This patch also adds support for ARM64 architecture, which is used by
Exynos 5433 SoCs.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation/devicetree/bindings/iommu')
-rw-r--r-- | Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt index f61ca25..85f0688 100644 --- a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt +++ b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt @@ -35,9 +35,10 @@ Required properties: - interrupts: An interrupt specifier for interrupt signal of System MMU, according to the format defined by a particular interrupt controller. -- clock-names: Should be "sysmmu" if the System MMU is needed to gate its clock. +- clock-names: Should be "sysmmu" or a pair of "aclk" and "pclk" to gate + SYSMMU core clocks. Optional "master" if the clock to the System MMU is gated by - another gate clock other than "sysmmu" (usually main gate clock + another gate clock other core (usually main gate clock of peripheral device this SYSMMU belongs to). - clocks: Phandles for respective clocks described by clock-names. - power-domains: Required if the System MMU is needed to gate its power. |