linux-kernel - [PATCH v2] dt-bindings: arm-smmu: Add sc7180 compatible string and mem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1588219187-19295-1-git-send-email-smasetty@codeaurora.org>
Date:   Thu, 30 Apr 2020 09:29:47 +0530
From:   Sharat Masetty <smasetty@...eaurora.org>
To:     freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc:     dri-devel@...edesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, mka@...omium.org,
        dianders@...omium.org, robh@...nel.org, robin.murphy@....com,
        saiprakash.ranjan@...eaurora.org, jcrouse@...eaurora.org,
        Sharat Masetty <smasetty@...eaurora.org>
Subject: [PATCH v2] dt-bindings: arm-smmu: Add sc7180 compatible string and mem_iface clock

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@...eaurora.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