diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
7 files changed, 164 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml index 7e15aae7d69e..22491f7f8852 100644 --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml @@ -64,6 +64,24 @@ properties: aspm-no-l0s: true + brcm,clkreq-mode: + description: A string that determines the operating + clkreq mode of the PCIe RC HW with respect to controlling the refclk + signal. There are three different modes -- "safe", which drives the + refclk signal unconditionally and will work for all devices but does + not provide any power savings; "no-l1ss" -- which provides Clock + Power Management, L0s, and L1, but cannot provide L1 substate (L1SS) + power savings. If the downstream device connected to the RC is L1SS + capable AND the OS enables L1SS, all PCIe traffic may abruptly halt, + potentially hanging the system; "default" -- which provides L0s, L1, + and L1SS, but not compliant to provide Clock Power Management; + specifically, may not be able to meet the T_CLRon max timing of 400ns + as specified in "Dynamic Clock Control", section 3.2.5.2.2 PCI + Express Mini CEM 2.1 specification. This situation is atypical and + should happen only with older devices. + $ref: /schemas/types.yaml#/definitions/string + enum: [ safe, no-l1ss, default ] + brcm,scb-sizes: description: u64 giving the 64bit PCIe memory viewport size of a memory controller. There may be up to diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml index eadba38171e1..a93ab3b54066 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml @@ -42,6 +42,10 @@ properties: - qcom,pcie-sm8450-pcie1 - qcom,pcie-sm8550 - items: + - enum: + - qcom,pcie-sm8650 + - const: qcom,pcie-sm8550 + - items: - const: qcom,pcie-msm8998 - const: qcom,pcie-msm8996 @@ -62,7 +66,8 @@ properties: maxItems: 8 iommu-map: - maxItems: 2 + minItems: 1 + maxItems: 16 # Common definitions for clocks, clock-names and reset. # Platform constraints are described later. @@ -88,7 +93,7 @@ properties: minItems: 1 maxItems: 12 - resets-names: + reset-names: minItems: 1 maxItems: 12 @@ -483,6 +488,33 @@ allOf: compatible: contains: enum: + - qcom,pcie-sc8180x + then: + properties: + clocks: + minItems: 8 + maxItems: 8 + clock-names: + items: + - const: pipe # PIPE clock + - const: aux # Auxiliary clock + - const: cfg # Configuration clock + - const: bus_master # Master AXI clock + - const: bus_slave # Slave AXI clock + - const: slave_q2a # Slave Q2A clock + - const: ref # REFERENCE clock + - const: tbu # PCIe TBU clock + resets: + maxItems: 1 + reset-names: + items: + - const: pci # PCIe core reset + + - if: + properties: + compatible: + contains: + enum: - qcom,pcie-sdm845 then: oneOf: @@ -526,8 +558,33 @@ allOf: compatible: contains: enum: - - qcom,pcie-sc8180x - qcom,pcie-sm8150 + then: + properties: + clocks: + minItems: 8 + maxItems: 8 + clock-names: + items: + - const: pipe # PIPE clock + - const: aux # Auxiliary clock + - const: cfg # Configuration clock + - const: bus_master # Master AXI clock + - const: bus_slave # Slave AXI clock + - const: slave_q2a # Slave Q2A clock + - const: tbu # PCIe TBU clock + - const: ref # REFERENCE clock + resets: + maxItems: 1 + reset-names: + items: + - const: pci # PCIe core reset + + - if: + properties: + compatible: + contains: + enum: - qcom,pcie-sm8250 then: oneOf: diff --git a/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml b/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml index 8fdfbc763d70..b6a7cb32f61e 100644 --- a/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml @@ -68,6 +68,15 @@ properties: phy-names: const: pcie + vpcie1v5-supply: + description: The 1.5v regulator to use for PCIe. + + vpcie3v3-supply: + description: The 3.3v regulator to use for PCIe. + + vpcie12v-supply: + description: The 12v regulator to use for PCIe. + required: - compatible - reg @@ -121,5 +130,7 @@ examples: clock-names = "pcie", "pcie_bus"; power-domains = <&sysc R8A7791_PD_ALWAYS_ON>; resets = <&cpg 319>; + vpcie3v3-supply = <&pcie_3v3>; + vpcie12v-supply = <&pcie_12v>; }; }; diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml index 1ae8dcfa072c..5f719218c472 100644 --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml @@ -49,6 +49,7 @@ properties: - description: APB clock for PCIe - description: Auxiliary clock for PCIe - description: PIPE clock + - description: Reference clock for PCIe clock-names: minItems: 5 @@ -59,6 +60,7 @@ properties: - const: pclk - const: aux - const: pipe + - const: ref interrupts: items: diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml index 62292185fe2e..97f2579ea908 100644 --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml @@ -10,13 +10,11 @@ title: TI J721E PCI EP (PCIe Wrapper) maintainers: - Kishon Vijay Abraham I <kishon@ti.com> -allOf: - - $ref: cdns-pcie-ep.yaml# - properties: compatible: oneOf: - const: ti,j721e-pcie-ep + - const: ti,j784s4-pcie-ep - description: PCIe EP controller in AM64 items: - const: ti,am64-pcie-ep @@ -65,6 +63,41 @@ properties: items: - const: link_state +allOf: + - $ref: cdns-pcie-ep.yaml# + - if: + properties: + compatible: + enum: + - ti,am64-pcie-ep + then: + properties: + num-lanes: + const: 1 + + - if: + properties: + compatible: + enum: + - ti,j7200-pcie-ep + - ti,j721e-pcie-ep + then: + properties: + num-lanes: + minimum: 1 + maximum: 2 + + - if: + properties: + compatible: + enum: + - ti,j784s4-pcie-ep + then: + properties: + num-lanes: + minimum: 1 + maximum: 4 + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml index a2c5eaea57f5..b7a534cef24d 100644 --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml @@ -10,13 +10,11 @@ title: TI J721E PCI Host (PCIe Wrapper) maintainers: - Kishon Vijay Abraham I <kishon@ti.com> -allOf: - - $ref: cdns-pcie-host.yaml# - properties: compatible: oneOf: - const: ti,j721e-pcie-host + - const: ti,j784s4-pcie-host - description: PCIe controller in AM64 items: - const: ti,am64-pcie-host @@ -94,6 +92,41 @@ properties: interrupts: maxItems: 1 +allOf: + - $ref: cdns-pcie-host.yaml# + - if: + properties: + compatible: + enum: + - ti,am64-pcie-host + then: + properties: + num-lanes: + const: 1 + + - if: + properties: + compatible: + enum: + - ti,j7200-pcie-host + - ti,j721e-pcie-host + then: + properties: + num-lanes: + minimum: 1 + maximum: 2 + + - if: + properties: + compatible: + enum: + - ti,j784s4-pcie-host + then: + properties: + num-lanes: + minimum: 1 + maximum: 4 + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/pci/toshiba,visconti-pcie.yaml b/Documentation/devicetree/bindings/pci/toshiba,visconti-pcie.yaml index 53da2edd7c9a..120e3bb1e545 100644 --- a/Documentation/devicetree/bindings/pci/toshiba,visconti-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/toshiba,visconti-pcie.yaml @@ -83,7 +83,7 @@ examples: <0x0 0x28050000 0x0 0x00010000>, <0x0 0x24200000 0x0 0x00002000>, <0x0 0x24162000 0x0 0x00001000>; - reg-names = "dbi", "config", "ulreg", "smu", "mpu"; + reg-names = "dbi", "config", "ulreg", "smu", "mpu"; device_type = "pci"; bus-range = <0x00 0xff>; num-lanes = <2>; |