From: Sharat Masetty <smasetty@codeaurora.org>
To: freedreno@lists.freedesktop.org, devicetree@vger.kernel.org
Cc: dri-devel@freedesktop.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, mka@chromium.org,
dianders@chromium.org, robh@kernel.org, robin.murphy@arm.com,
saiprakash.ranjan@codeaurora.org, jcrouse@codeaurora.org,
Sharat Masetty <smasetty@codeaurora.org>
Subject: [PATCH v2] dt-bindings: arm-smmu: Add sc7180 compatible string and mem_iface clock
Date: Thu, 30 Apr 2020 09:29:47 +0530 [thread overview]
Message-ID: <1588219187-19295-1-git-send-email-smasetty@codeaurora.org> (raw)
This patch adds a new compatible string for sc7180 and also an
additional clock listing needed to power the TBUs and the TCU.
Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
---
v2: Addressed review comments from Doug
Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 6515dbe..ba5dba4 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -28,6 +28,7 @@ properties:
- enum:
- qcom,msm8996-smmu-v2
- qcom,msm8998-smmu-v2
+ - qcom,sc7180-smmu-v2
- qcom,sdm845-smmu-v2
- const: qcom,smmu-v2
@@ -113,16 +114,23 @@ properties:
present in such cases.
clock-names:
+ minItems: 2
+ maxItems: 3
items:
- const: bus
- const: iface
+ - const: mem_iface
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: clock required for the inner working of SMMU TBUs and the
+ TCU like the pagetable walks and the TLB flushes.
power-domains:
maxItems: 1
--
1.9.1
next reply other threads:[~2020-04-30 4:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 3:59 Sharat Masetty [this message]
2020-04-30 18:12 ` [PATCH v2] dt-bindings: arm-smmu: Add sc7180 compatible string and mem_iface clock Jordan Crouse
2020-04-30 18:21 ` Doug Anderson
2020-05-01 8:08 ` [Freedreno] " Sharat Masetty
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