diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
5 files changed, 145 insertions, 13 deletions
diff --git a/Documentation/devicetree/bindings/iommu/apple,dart.yaml b/Documentation/devicetree/bindings/iommu/apple,dart.yaml index 06af2bacbe97..903edf85d72e 100644 --- a/Documentation/devicetree/bindings/iommu/apple,dart.yaml +++ b/Documentation/devicetree/bindings/iommu/apple,dart.yaml @@ -24,6 +24,7 @@ properties: compatible: enum: - apple,t8103-dart + - apple,t8110-dart - apple,t6000-dart reg: diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml index b28c5c2b0ff2..807cb511fe18 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -36,13 +36,17 @@ properties: - enum: - qcom,qcm2290-smmu-500 - qcom,qdu1000-smmu-500 + - qcom,sa8775p-smmu-500 - qcom,sc7180-smmu-500 - qcom,sc7280-smmu-500 - qcom,sc8180x-smmu-500 - qcom,sc8280xp-smmu-500 - qcom,sdm670-smmu-500 - qcom,sdm845-smmu-500 + - qcom,sdx55-smmu-500 + - qcom,sdx65-smmu-500 - qcom,sm6115-smmu-500 + - qcom,sm6125-smmu-500 - qcom,sm6350-smmu-500 - qcom,sm6375-smmu-500 - qcom,sm8150-smmu-500 @@ -52,14 +56,6 @@ properties: - const: qcom,smmu-500 - const: arm,mmu-500 - - description: Qcom SoCs implementing "arm,mmu-500" (non-qcom implementation) - deprecated: true - items: - - enum: - - qcom,sdx55-smmu-500 - - qcom,sdx65-smmu-500 - - const: arm,mmu-500 - - description: Qcom SoCs implementing "arm,mmu-500" (legacy binding) deprecated: true items: @@ -84,6 +80,7 @@ properties: items: - enum: - qcom,sc7280-smmu-500 + - qcom,sm8150-smmu-500 - qcom,sm8250-smmu-500 - const: qcom,adreno-smmu - const: arm,mmu-500 @@ -201,7 +198,8 @@ properties: maxItems: 7 power-domains: - maxItems: 1 + minItems: 1 + maxItems: 3 nvidia,memory-controller: description: | @@ -366,6 +364,56 @@ allOf: - description: interface clock required to access smmu's registers through the TCU's programming interface. + # Disallow clocks for all other platforms with specific compatibles + - if: + properties: + compatible: + contains: + enum: + - cavium,smmu-v2 + - marvell,ap806-smmu-500 + - nvidia,smmu-500 + - qcom,qcm2290-smmu-500 + - qcom,qdu1000-smmu-500 + - qcom,sa8775p-smmu-500 + - qcom,sc7180-smmu-500 + - qcom,sc8180x-smmu-500 + - qcom,sc8280xp-smmu-500 + - qcom,sdm670-smmu-500 + - qcom,sdm845-smmu-500 + - qcom,sdx55-smmu-500 + - qcom,sdx65-smmu-500 + - qcom,sm6115-smmu-500 + - qcom,sm6125-smmu-500 + - qcom,sm6350-smmu-500 + - qcom,sm6375-smmu-500 + - qcom,sm8350-smmu-500 + - qcom,sm8450-smmu-500 + then: + properties: + clock-names: false + clocks: false + + - if: + properties: + compatible: + contains: + const: qcom,sm6375-smmu-500 + then: + properties: + power-domains: + items: + - description: SNoC MMU TBU RT GDSC + - description: SNoC MMU TBU NRT GDSC + - description: SNoC TURING MMU TBU0 GDSC + + required: + - power-domains + else: + properties: + power-domains: + maxItems: 1 + examples: - |+ /* SMMU with stream matching or stream indexing */ diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt index 059139abce35..e6cecfd360eb 100644 --- a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt @@ -10,6 +10,7 @@ to non-secure vs secure interrupt line. - compatible : Should be one of: "qcom,msm8916-iommu" + "qcom,msm8953-iommu" Followed by "qcom,msm-iommu-v1". diff --git a/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml b/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml index 26d0a5121f02..72308a4c14e7 100644 --- a/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml +++ b/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml @@ -49,6 +49,7 @@ properties: - enum: - renesas,ipmmu-r8a779a0 # R-Car V3U - renesas,ipmmu-r8a779f0 # R-Car S4-8 + - renesas,ipmmu-r8a779g0 # R-Car V4H - const: renesas,rcar-gen4-ipmmu-vmsa # R-Car Gen4 reg: diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml index b205215b130d..c680e397cfd2 100644 --- a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml +++ b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml @@ -52,6 +52,30 @@ properties: Address and Length pairs. Specifies regions of memory that are acceptable to allocate from. + iommu-addresses: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: > + A list of phandle and specifier pairs that describe static IO virtual + address space mappings and carveouts associated with a given reserved + memory region. The phandle in the first cell refers to the device for + which the mapping or carveout is to be created. + + The specifier consists of an address/size pair and denotes the IO + virtual address range of the region for the given device. The exact + format depends on the values of the "#address-cells" and "#size-cells" + properties of the device referenced via the phandle. + + When used in combination with a "reg" property, an IOVA mapping is to + be established for this memory region. One example where this can be + useful is to create an identity mapping for physical memory that the + firmware has configured some hardware to access (such as a bootsplash + framebuffer). + + If no "reg" property is specified, the "iommu-addresses" property + defines carveout regions in the IOVA space for the given device. This + can be useful if a certain memory region should not be mapped through + the IOMMU. + no-map: type: boolean description: > @@ -89,12 +113,69 @@ allOf: - no-map oneOf: - - required: - - reg + - oneOf: + - required: + - reg + + - required: + - size + + - oneOf: + # IOMMU reservations + - required: + - iommu-addresses - - required: - - size + # IOMMU mappings + - required: + - reg + - iommu-addresses additionalProperties: true +examples: + - | + / { + compatible = "foo"; + model = "foo"; + + #address-cells = <2>; + #size-cells = <2>; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + adsp_resv: reservation-adsp { + /* + * Restrict IOVA mappings for ADSP buffers to the 512 MiB region + * from 0x40000000 - 0x5fffffff. Anything outside is reserved by + * the ADSP for I/O memory and private memory allocations. + */ + iommu-addresses = <&adsp 0x0 0x00000000 0x00 0x40000000>, + <&adsp 0x0 0x60000000 0xff 0xa0000000>; + }; + + fb: framebuffer@90000000 { + reg = <0x0 0x90000000 0x0 0x00800000>; + iommu-addresses = <&dc0 0x0 0x90000000 0x0 0x00800000>; + }; + }; + + bus@0 { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x0 0x40000000>; + + adsp: adsp@2990000 { + reg = <0x2990000 0x2000>; + memory-region = <&adsp_resv>; + }; + + dc0: display@15200000 { + reg = <0x15200000 0x10000>; + memory-region = <&fb>; + }; + }; + }; ... |