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| author | Jeffy Chen <jeffy.chen@rock-chips.com> | 2018-03-23 10:38:09 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-03-29 13:22:27 +0300 |
| commit | 8fa9eb39c614acbabaecefd5507a426b45fa4704 (patch) | |
| tree | d65642b63dd5313ed6aab7749260a113758da135 /Documentation/devicetree/bindings/iommu | |
| parent | f2e3a5f557ad27f6a6f447717090a39cea238d6a (diff) | |
| download | linux-8fa9eb39c614acbabaecefd5507a426b45fa4704.tar.xz | |
dt-bindings: iommu/rockchip: Add clock property
Add clock property, since we are going to control clocks in rockchip
iommu driver.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation/devicetree/bindings/iommu')
| -rw-r--r-- | Documentation/devicetree/bindings/iommu/rockchip,iommu.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt index 2098f7732264..6ecefea1c6f9 100644 --- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt @@ -14,6 +14,11 @@ Required properties: "single-master" device, and needs no additional information to associate with its master device. See: Documentation/devicetree/bindings/iommu/iommu.txt +- clocks : A list of clocks required for the IOMMU to be accessible by + the host CPU. +- clock-names : Should contain the following: + "iface" - Main peripheral bus clock (PCLK/HCL) (required) + "aclk" - AXI bus clock (required) Optional properties: - rockchip,disable-mmu-reset : Don't use the mmu reset operation. @@ -27,5 +32,7 @@ Example: reg = <0xff940300 0x100>; interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "vopl_mmu"; + clocks = <&cru ACLK_VOP1>, <&cru HCLK_VOP1>; + clock-names = "aclk", "iface"; #iommu-cells = <0>; }; |