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authorMark Brown <broonie@kernel.org>2026-05-29 22:43:23 +0100
committerMark Brown <broonie@kernel.org>2026-05-29 22:43:23 +0100
commit4bc0e6d39b7c764e4345562c4ee398986939d1e0 (patch)
tree10e3fc67cf175b52a7b1e5d10d1d1dd66c1a1ee9 /Documentation
parentd4fbe67d77c3d934bbae2c1008293d3f1f1377f5 (diff)
parentac5fb67f6006bf80128340af67f9512fdaf75ae6 (diff)
downloadlinux-next-history-4bc0e6d39b7c764e4345562c4ee398986939d1e0.tar.gz
Merge branch 'next' of https://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/iommu/arm,smmu.yaml40
-rw-r--r--Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml71
2 files changed, 110 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 06fb5c8e7547c..25fd3efa24200 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -37,6 +37,7 @@ properties:
- enum:
- qcom,eliza-smmu-500
- qcom,glymur-smmu-500
+ - qcom,hawi-smmu-500
- qcom,kaanapali-smmu-500
- qcom,milos-smmu-500
- qcom,qcm2290-smmu-500
@@ -55,6 +56,7 @@ properties:
- qcom,sdx55-smmu-500
- qcom,sdx65-smmu-500
- qcom,sdx75-smmu-500
+ - qcom,shikra-smmu-500
- qcom,sm6115-smmu-500
- qcom,sm6125-smmu-500
- qcom,sm6350-smmu-500
@@ -566,7 +568,9 @@ allOf:
properties:
compatible:
items:
- - const: qcom,sm8750-smmu-500
+ - enum:
+ - qcom,glymur-smmu-500
+ - qcom,sm8750-smmu-500
- const: qcom,adreno-smmu
- const: qcom,smmu-500
- const: arm,mmu-500
@@ -595,6 +599,7 @@ allOf:
- qcom,sdm845-smmu-500
- qcom,sdx55-smmu-500
- qcom,sdx65-smmu-500
+ - qcom,sdx75-smmu-500
- qcom,sm6350-smmu-500
- qcom,sm6375-smmu-500
then:
@@ -602,6 +607,39 @@ allOf:
clock-names: false
clocks: false
+ # Disallow clocks for all other platforms where specific compatible is used
+ # with different fallbacks and only one combination has no clocks
+ - if:
+ properties:
+ compatible:
+ items:
+ - enum:
+ - qcom,eliza-smmu-500
+ - qcom,glymur-smmu-500
+ - qcom,kaanapali-smmu-500
+ - qcom,milos-smmu-500
+ - qcom,qcs615-smmu-500
+ - qcom,qcs8300-smmu-500
+ - qcom,sa8775p-smmu-500
+ - qcom,sm6115-smmu-500
+ - qcom,sm6125-smmu-500
+ - qcom,sm6350-smmu-500
+ - qcom,sm6375-smmu-500
+ - qcom,sm8150-smmu-500
+ - qcom,sm8250-smmu-500
+ - qcom,sm8350-smmu-500
+ - qcom,sm8450-smmu-500
+ - qcom,sm8550-smmu-500
+ - qcom,sm8650-smmu-500
+ - qcom,sm8750-smmu-500
+ - qcom,x1e80100-smmu-500
+ - const: qcom,smmu-500
+ - const: arm,mmu-500
+ then:
+ properties:
+ clock-names: false
+ clocks: false
+
- if:
properties:
compatible:
diff --git a/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml b/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml
new file mode 100644
index 0000000000000..d3ce9e603b61d
--- /dev/null
+++ b/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iommu/verisilicon,iommu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Verisilicon IOMMU
+
+maintainers:
+ - Benjamin Gaignard <benjamin.gaignard@collabora.com>
+
+description: |+
+ A Versilicon iommu translates io virtual addresses to physical addresses for
+ its associated video decoder.
+
+properties:
+ compatible:
+ items:
+ - const: rockchip,rk3588-av1-iommu
+ - const: verisilicon,iommu-1.2
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Core clock
+ - description: Interface clock
+
+ clock-names:
+ items:
+ - const: core
+ - const: iface
+
+ "#iommu-cells":
+ const: 0
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - "#iommu-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rockchip,rk3588-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ iommu@fdca0000 {
+ compatible = "rockchip,rk3588-av1-iommu","verisilicon,iommu-1.2";
+ reg = <0x0 0xfdca0000 0x0 0x600>;
+ interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&cru ACLK_AV1>, <&cru PCLK_AV1>;
+ clock-names = "core", "iface";
+ #iommu-cells = <0>;
+ };
+ };