On 2/26/2020 8:03 PM, Rob Herring wrote:
On Wed, Feb 26, 2020 at 5:17 AM Sharat Masetty <smase...@codeaurora.org> wrote:
On 2/21/2020 2:05 AM, Rob Herring wrote:
On Thu, 20 Feb 2020 13:42:22 +0530, Sharat Masetty wrote:
This patch adds a clock definition needed for powering on the GPU TBUs
and the GPU TCU.
Signed-off-by: Sharat Masetty <smase...@codeaurora.org>
---
Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 3 +++
1 file changed, 3 insertions(+)
My bot found errors running 'make dt_binding_check' on your patch:
Documentation/devicetree/bindings/display/simple-framebuffer.example.dts:21.16-37.11:
Warning (chosen_node_is_root): /example-0/chosen: chosen node must be at root
node
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/iommu/arm,smmu.example.dt.yaml:
iommu@d00000: clock-names: ['bus', 'iface'] is too short
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/iommu/arm,smmu.example.dt.yaml:
iommu@d00000: clocks: [[4294967295, 123], [4294967295, 124]] is too short
See https://patchwork.ozlabs.org/patch/1241297
Please check and re-submit.
Hi Rob, These issues seem to be from the original code and not related
to my patch. Are these going to be blocking errors?
There are no errors in this binding in mainline. You've added a 3rd
clock when all the existing users have exactly 2 clocks.
Rob,
Adding something like the following seems to be solving the bot errors,
but I am not certain if this is the right way to address this issue. Can
you please comment?
clock-names:
+ minItems: 2
+ maxItems: 3
items:
- const: bus
- const: iface
+ - const: mem_iface_clk
clocks:
+ minItems: 2
+ maxItems: 3
items:
- description: bus clock required for downstream bus access and
for the
smmu ptw
- description: interface clock required to access smmu's registers
through the TCU's programming interface.
+ - description: core clock required for the GPU SMMU TBUs and the
GPU TCU.
Rob
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