[PATCH 1/3] Docs: dt: arm-smmu: Add optional clock parameter

Hi Rob,

On 07/20/2018 11:15 AM, Rob Herring wrote:

On Fri, Jul 13, 2018 at 11:27:56AM -0500, thor.thayer at linux.intel.com wrote:

quoted

From: Thor Thayer <redacted>

Add a clock to the SMMU node bindings.

Signed-off-by: Thor Thayer <redacted>
---
  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
+

The TRM says there is a TCU clock and clock per TBU.

Rob

Yes, good point. I'm abandoning this review and will use the bulk clock 
suggested in [1].

In our case, the TCU clock is always on and we have 1 clock for the
TBU masters.

Thanks for reviewing!

Thor

[1] https://patchwork.kernel.org/patch/10534089/