* [RESEND PATCH 1/4] Docs: dt: document qcom iommu bindings [not found] <20170621120406.2053-1-robdclark@gmail.com> @ 2017-06-21 12:04 ` Rob Clark 0 siblings, 0 replies; 3+ messages in thread From: Rob Clark @ 2017-06-21 12:04 UTC (permalink / raw) To: iommu Cc: linux-arm-msm, Robin Murphy, Rob Herring, Will Deacon, Sricharan, Archit Taneja, Mark Rutland, Stanimir Varbanov, Rob Clark, devicetree Cc: devicetree@vger.kernel.org Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> --- .../devicetree/bindings/iommu/qcom,iommu.txt | 121 +++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/qcom,iommu.txt diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt new file mode 100644 index 0000000..b2641ce --- /dev/null +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt @@ -0,0 +1,121 @@ +* QCOM IOMMU v1 Implementation + +Qualcomm "B" family devices which are not compatible with arm-smmu have +a similar looking IOMMU but without access to the global register space, +and optionally requiring additional configuration to route context irqs +to non-secure vs secure interrupt line. + +** Required properties: + +- compatible : Should be one of: + + "qcom,msm8916-iommu" + + Followed by "qcom,msm-iommu-v1". + +- clock-names : Should be a pair of "iface" (required for IOMMUs + register group access) and "bus" (required for + the IOMMUs underlying bus access). + +- clocks : Phandles for respective clocks described by + clock-names. + +- #address-cells : must be 1. + +- #size-cells : must be 1. + +- #iommu-cells : Must be 1. Index identifies the context-bank #. + +- ranges : Base address and size of the iommu context banks. + +- qcom,iommu-secure-id : secure-id. + +- List of sub-nodes, one per translation context bank. Each sub-node + has the following required properties: + + - compatible : Should be one of: + - "qcom,msm-iommu-v1-ns" : non-secure context bank + - "qcom,msm-iommu-v1-sec" : secure context bank + - reg : Base address and size of context bank within the iommu + - interrupts : The context fault irq. + +** Optional properties: + +- reg : Base address and size of the SMMU local base, should + be only specified if the iommu requires configuration + for routing of context bank irq's to secure vs non- + secure lines. (Ie. if the iommu contains secure + context banks) + + +** Examples: + + apps_iommu: iommu@1e20000 { + #address-cells = <1>; + #size-cells = <1>; + #iommu-cells = <1>; + compatible = "qcom,msm8916-iommu", "qcom,msm-iommu-v1"; + ranges = <0 0x1e20000 0x40000>; + reg = <0x1ef0000 0x3000>; + clocks = <&gcc GCC_SMMU_CFG_CLK>, + <&gcc GCC_APSS_TCU_CLK>; + clock-names = "iface", "bus"; + qcom,iommu-secure-id = <17>; + + // mdp_0: + iommu-ctx@4000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x4000 0x1000>; + interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>; + }; + + // venus_ns: + iommu-ctx@5000 { + compatible = "qcom,msm-iommu-v1-sec"; + reg = <0x5000 0x1000>; + interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + gpu_iommu: iommu@1f08000 { + #address-cells = <1>; + #size-cells = <1>; + #iommu-cells = <1>; + compatible = "qcom,msm8916-iommu", "qcom,msm-iommu-v1"; + ranges = <0 0x1f08000 0x10000>; + clocks = <&gcc GCC_SMMU_CFG_CLK>, + <&gcc GCC_GFX_TCU_CLK>; + clock-names = "iface", "bus"; + qcom,iommu-secure-id = <18>; + + // gfx3d_user: + iommu-ctx@1000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x1000 0x1000>; + interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>; + }; + + // gfx3d_priv: + iommu-ctx@2000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x2000 0x1000>; + interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + ... + + venus: video-codec@1d00000 { + ... + iommus = <&apps_iommu 5>; + }; + + mdp: mdp@1a01000 { + ... + iommus = <&apps_iommu 4>; + }; + + gpu@01c00000 { + ... + iommus = <&gpu_iommu 1>, <&gpu_iommu 2>; + }; -- 2.9.4 ^ permalink raw reply related [flat|nested] 3+ messages in thread
[parent not found: <20170713120747.20490-1-robdclark@gmail.com>]
[parent not found: <20170713120747.20490-1-robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]
* [RESEND PATCH 1/4] Docs: dt: document qcom iommu bindings [not found] ` <20170713120747.20490-1-robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> @ 2017-07-13 12:07 ` Rob Clark 0 siblings, 0 replies; 3+ messages in thread From: Rob Clark @ 2017-07-13 12:07 UTC (permalink / raw) To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA Cc: Mark Rutland, Rob Herring, devicetree-u79uwXL29TY76Z2rM5mHXA, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA, Will Deacon Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Signed-off-by: Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Reviewed-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> --- .../devicetree/bindings/iommu/qcom,iommu.txt | 121 +++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/qcom,iommu.txt diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt new file mode 100644 index 000000000000..b2641ceb2b40 --- /dev/null +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt @@ -0,0 +1,121 @@ +* QCOM IOMMU v1 Implementation + +Qualcomm "B" family devices which are not compatible with arm-smmu have +a similar looking IOMMU but without access to the global register space, +and optionally requiring additional configuration to route context irqs +to non-secure vs secure interrupt line. + +** Required properties: + +- compatible : Should be one of: + + "qcom,msm8916-iommu" + + Followed by "qcom,msm-iommu-v1". + +- clock-names : Should be a pair of "iface" (required for IOMMUs + register group access) and "bus" (required for + the IOMMUs underlying bus access). + +- clocks : Phandles for respective clocks described by + clock-names. + +- #address-cells : must be 1. + +- #size-cells : must be 1. + +- #iommu-cells : Must be 1. Index identifies the context-bank #. + +- ranges : Base address and size of the iommu context banks. + +- qcom,iommu-secure-id : secure-id. + +- List of sub-nodes, one per translation context bank. Each sub-node + has the following required properties: + + - compatible : Should be one of: + - "qcom,msm-iommu-v1-ns" : non-secure context bank + - "qcom,msm-iommu-v1-sec" : secure context bank + - reg : Base address and size of context bank within the iommu + - interrupts : The context fault irq. + +** Optional properties: + +- reg : Base address and size of the SMMU local base, should + be only specified if the iommu requires configuration + for routing of context bank irq's to secure vs non- + secure lines. (Ie. if the iommu contains secure + context banks) + + +** Examples: + + apps_iommu: iommu@1e20000 { + #address-cells = <1>; + #size-cells = <1>; + #iommu-cells = <1>; + compatible = "qcom,msm8916-iommu", "qcom,msm-iommu-v1"; + ranges = <0 0x1e20000 0x40000>; + reg = <0x1ef0000 0x3000>; + clocks = <&gcc GCC_SMMU_CFG_CLK>, + <&gcc GCC_APSS_TCU_CLK>; + clock-names = "iface", "bus"; + qcom,iommu-secure-id = <17>; + + // mdp_0: + iommu-ctx@4000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x4000 0x1000>; + interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>; + }; + + // venus_ns: + iommu-ctx@5000 { + compatible = "qcom,msm-iommu-v1-sec"; + reg = <0x5000 0x1000>; + interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + gpu_iommu: iommu@1f08000 { + #address-cells = <1>; + #size-cells = <1>; + #iommu-cells = <1>; + compatible = "qcom,msm8916-iommu", "qcom,msm-iommu-v1"; + ranges = <0 0x1f08000 0x10000>; + clocks = <&gcc GCC_SMMU_CFG_CLK>, + <&gcc GCC_GFX_TCU_CLK>; + clock-names = "iface", "bus"; + qcom,iommu-secure-id = <18>; + + // gfx3d_user: + iommu-ctx@1000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x1000 0x1000>; + interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>; + }; + + // gfx3d_priv: + iommu-ctx@2000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x2000 0x1000>; + interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + ... + + venus: video-codec@1d00000 { + ... + iommus = <&apps_iommu 5>; + }; + + mdp: mdp@1a01000 { + ... + iommus = <&apps_iommu 4>; + }; + + gpu@01c00000 { + ... + iommus = <&gpu_iommu 1>, <&gpu_iommu 2>; + }; -- 2.13.0 ^ permalink raw reply related [flat|nested] 3+ messages in thread
[parent not found: <20170809144310.22855-1-robdclark@gmail.com>]
[parent not found: <20170809144310.22855-1-robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]
* [RESEND PATCH 1/4] Docs: dt: document qcom iommu bindings [not found] ` <20170809144310.22855-1-robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> @ 2017-08-09 14:43 ` Rob Clark 0 siblings, 0 replies; 3+ messages in thread From: Rob Clark @ 2017-08-09 14:43 UTC (permalink / raw) To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA Cc: Mark Rutland, Rob Herring, devicetree-u79uwXL29TY76Z2rM5mHXA, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA, Will Deacon, linux-kernel-u79uwXL29TY76Z2rM5mHXA, Rob Herring Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Signed-off-by: Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Reviewed-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> --- .../devicetree/bindings/iommu/qcom,iommu.txt | 121 +++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/qcom,iommu.txt diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt new file mode 100644 index 000000000000..b2641ceb2b40 --- /dev/null +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt @@ -0,0 +1,121 @@ +* QCOM IOMMU v1 Implementation + +Qualcomm "B" family devices which are not compatible with arm-smmu have +a similar looking IOMMU but without access to the global register space, +and optionally requiring additional configuration to route context irqs +to non-secure vs secure interrupt line. + +** Required properties: + +- compatible : Should be one of: + + "qcom,msm8916-iommu" + + Followed by "qcom,msm-iommu-v1". + +- clock-names : Should be a pair of "iface" (required for IOMMUs + register group access) and "bus" (required for + the IOMMUs underlying bus access). + +- clocks : Phandles for respective clocks described by + clock-names. + +- #address-cells : must be 1. + +- #size-cells : must be 1. + +- #iommu-cells : Must be 1. Index identifies the context-bank #. + +- ranges : Base address and size of the iommu context banks. + +- qcom,iommu-secure-id : secure-id. + +- List of sub-nodes, one per translation context bank. Each sub-node + has the following required properties: + + - compatible : Should be one of: + - "qcom,msm-iommu-v1-ns" : non-secure context bank + - "qcom,msm-iommu-v1-sec" : secure context bank + - reg : Base address and size of context bank within the iommu + - interrupts : The context fault irq. + +** Optional properties: + +- reg : Base address and size of the SMMU local base, should + be only specified if the iommu requires configuration + for routing of context bank irq's to secure vs non- + secure lines. (Ie. if the iommu contains secure + context banks) + + +** Examples: + + apps_iommu: iommu@1e20000 { + #address-cells = <1>; + #size-cells = <1>; + #iommu-cells = <1>; + compatible = "qcom,msm8916-iommu", "qcom,msm-iommu-v1"; + ranges = <0 0x1e20000 0x40000>; + reg = <0x1ef0000 0x3000>; + clocks = <&gcc GCC_SMMU_CFG_CLK>, + <&gcc GCC_APSS_TCU_CLK>; + clock-names = "iface", "bus"; + qcom,iommu-secure-id = <17>; + + // mdp_0: + iommu-ctx@4000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x4000 0x1000>; + interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>; + }; + + // venus_ns: + iommu-ctx@5000 { + compatible = "qcom,msm-iommu-v1-sec"; + reg = <0x5000 0x1000>; + interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + gpu_iommu: iommu@1f08000 { + #address-cells = <1>; + #size-cells = <1>; + #iommu-cells = <1>; + compatible = "qcom,msm8916-iommu", "qcom,msm-iommu-v1"; + ranges = <0 0x1f08000 0x10000>; + clocks = <&gcc GCC_SMMU_CFG_CLK>, + <&gcc GCC_GFX_TCU_CLK>; + clock-names = "iface", "bus"; + qcom,iommu-secure-id = <18>; + + // gfx3d_user: + iommu-ctx@1000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x1000 0x1000>; + interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>; + }; + + // gfx3d_priv: + iommu-ctx@2000 { + compatible = "qcom,msm-iommu-v1-ns"; + reg = <0x2000 0x1000>; + interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + ... + + venus: video-codec@1d00000 { + ... + iommus = <&apps_iommu 5>; + }; + + mdp: mdp@1a01000 { + ... + iommus = <&apps_iommu 4>; + }; + + gpu@01c00000 { + ... + iommus = <&gpu_iommu 1>, <&gpu_iommu 2>; + }; -- 2.13.0 ^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-08-09 14:43 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <20170621120406.2053-1-robdclark@gmail.com>
2017-06-21 12:04 ` [RESEND PATCH 1/4] Docs: dt: document qcom iommu bindings Rob Clark
[not found] <20170713120747.20490-1-robdclark@gmail.com>
[not found] ` <20170713120747.20490-1-robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-07-13 12:07 ` Rob Clark
[not found] <20170809144310.22855-1-robdclark@gmail.com>
[not found] ` <20170809144310.22855-1-robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-08-09 14:43 ` Rob Clark
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).