Loading Documentation/devicetree/bindings/nvme/qcom,nvme.txt 0 → 100644 +50 −0 Original line number Diff line number Diff line = NVME(Non Volatile Memory Express) Device Tree Bindings = Required properties: - compatible : Must be "qcom,nvme" If SMMU is present, also use: - qcom,smmu : if present, SMMU attach is performed - qcom,smmu-iova-base : SMMU IOVA start address the device can access - qcom,smmu-iova-size : SMMU IOVA size the device can access Optional Properties: - qcom,smmu-attr-s1-bypass : Bypasses SMMU S1 translation - qcom,smmu-attr-fastmap : Enables SMMU fastmap - qcom,smmu-attr-atomic : Enables DMA alloc using GFP_ATOMIC - qcom,smmu-attr-pt-coherent : Use if DMA coherency is available for SMMU page tables Example: &pcie_rc0 { nvme_x1: qcom,nvme@pcie_rc0 { compatible = "qcom,nvme"; qcom,smmu; qcom,smmu-iova-base = /bits/ 64 <0x0>; qcom,smmu-iova-size = /bits/ 64 <0x100000000>; qcom,smmu-attr-s1-bypass; }; }; &pcie_rc1 { nvme_x4: qcom,nvme@pcie_rc1 { compatible = "qcom,nvme"; qcom,smmu; qcom,smmu-iova-base = /bits/ 64 <0x0>; qcom,smmu-iova-size = /bits/ 64 <0x100000000>; qcom,smmu-attr-atomic; qcom,smmu-attr-fastmap; qcom,smmu-attr-pt-coherent; }; }; arch/arm64/boot/dts/qcom/sa8155-adp-alcor.dtsi +34 −0 Original line number Diff line number Diff line Loading @@ -57,6 +57,40 @@ }; }; &pcie_rc1 { nvme_x8: qcom,nvme@pcie_rc1 { reg = <0 0 0 0 0>; compatible = "qcom,nvme"; pci-ids = "8086:0953", "8086:0a54", "8086:0a55", "8086:f1a5", "8086:f1a5", "1c58:0003", "1c58:0023", "1c5c:1327", "1c5f:0540", "144d:a821", "144d:a822", "144d:a808", "1d1d:1f1f", "1d1d:2807", "1d1d:2601", "106b:2001", "106b:2003", "1179:0115", "1179:0116"; qcom,smmu; qcom,smmu-iova-base = /bits/ 64 <0x20000000>; qcom,smmu-iova-size = /bits/ 64 <0x40000000>; qcom,smmu-attr-atomic; qcom,smmu-attr-s1-bypass; }; }; &qupv3_se10_i2c { asm330@6a { qcom,use_qtimer = <1>; /* 0:Disable 1:Enable */ Loading Loading
Documentation/devicetree/bindings/nvme/qcom,nvme.txt 0 → 100644 +50 −0 Original line number Diff line number Diff line = NVME(Non Volatile Memory Express) Device Tree Bindings = Required properties: - compatible : Must be "qcom,nvme" If SMMU is present, also use: - qcom,smmu : if present, SMMU attach is performed - qcom,smmu-iova-base : SMMU IOVA start address the device can access - qcom,smmu-iova-size : SMMU IOVA size the device can access Optional Properties: - qcom,smmu-attr-s1-bypass : Bypasses SMMU S1 translation - qcom,smmu-attr-fastmap : Enables SMMU fastmap - qcom,smmu-attr-atomic : Enables DMA alloc using GFP_ATOMIC - qcom,smmu-attr-pt-coherent : Use if DMA coherency is available for SMMU page tables Example: &pcie_rc0 { nvme_x1: qcom,nvme@pcie_rc0 { compatible = "qcom,nvme"; qcom,smmu; qcom,smmu-iova-base = /bits/ 64 <0x0>; qcom,smmu-iova-size = /bits/ 64 <0x100000000>; qcom,smmu-attr-s1-bypass; }; }; &pcie_rc1 { nvme_x4: qcom,nvme@pcie_rc1 { compatible = "qcom,nvme"; qcom,smmu; qcom,smmu-iova-base = /bits/ 64 <0x0>; qcom,smmu-iova-size = /bits/ 64 <0x100000000>; qcom,smmu-attr-atomic; qcom,smmu-attr-fastmap; qcom,smmu-attr-pt-coherent; }; };
arch/arm64/boot/dts/qcom/sa8155-adp-alcor.dtsi +34 −0 Original line number Diff line number Diff line Loading @@ -57,6 +57,40 @@ }; }; &pcie_rc1 { nvme_x8: qcom,nvme@pcie_rc1 { reg = <0 0 0 0 0>; compatible = "qcom,nvme"; pci-ids = "8086:0953", "8086:0a54", "8086:0a55", "8086:f1a5", "8086:f1a5", "1c58:0003", "1c58:0023", "1c5c:1327", "1c5f:0540", "144d:a821", "144d:a822", "144d:a808", "1d1d:1f1f", "1d1d:2807", "1d1d:2601", "106b:2001", "106b:2003", "1179:0115", "1179:0116"; qcom,smmu; qcom,smmu-iova-base = /bits/ 64 <0x20000000>; qcom,smmu-iova-size = /bits/ 64 <0x40000000>; qcom,smmu-attr-atomic; qcom,smmu-attr-s1-bypass; }; }; &qupv3_se10_i2c { asm330@6a { qcom,use_qtimer = <1>; /* 0:Disable 1:Enable */ Loading