From mboxrd@z Thu Jan 1 00:00:00 1970 From: thor.thayer@linux.intel.com (thor.thayer at linux.intel.com) Date: Fri, 13 Jul 2018 11:27:56 -0500 Subject: [PATCH 1/3] Docs: dt: arm-smmu: Add optional clock parameter In-Reply-To: <1531499278-32132-1-git-send-email-thor.thayer@linux.intel.com> References: <1531499278-32132-1-git-send-email-thor.thayer@linux.intel.com> Message-ID: <1531499278-32132-2-git-send-email-thor.thayer@linux.intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Thor Thayer Add a clock to the SMMU node bindings. Signed-off-by: Thor Thayer --- Documentation/devicetree/bindings/iommu/arm,smmu.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index 8a6ffce12af5..356fd9f41e1b 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt @@ -71,6 +71,8 @@ conditions. or using stream matching with #iommu-cells = <2>, and may be ignored if present in such cases. +- clock: clock provider specifier + ** Deprecated properties: - mmu-masters (deprecated in favour of the generic "iommus" binding) : @@ -137,3 +139,17 @@ conditions. iommu-map = <0 &smmu3 0 0x400>; ... }; + + /* ARM MMU-500 with clock node */ + smmu4: iommu { + compatible = "arm,mmu-500", "arm,smmu-v2"; + clocks = <&clkmgr STRATIX10_L4_MAIN_CLK>; + ... + #iommu-cells = <1>; + }; + + /* device with stream ID 1 */ + master4 { + iommus = <&smmu4 1>; + }; + -- 2.7.4