diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
18 files changed, 681 insertions, 295 deletions
diff --git a/Documentation/devicetree/bindings/pci/amlogic,axg-pcie.yaml b/Documentation/devicetree/bindings/pci/amlogic,axg-pcie.yaml new file mode 100644 index 000000000000..a5bd90bc0712 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/amlogic,axg-pcie.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/amlogic,axg-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Meson AXG DWC PCIe SoC controller + +maintainers: + - Neil Armstrong <neil.armstrong@linaro.org> + +description: + Amlogic Meson PCIe host controller is based on the Synopsys DesignWare PCI core. + +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + - $ref: /schemas/pci/snps,dw-pcie-common.yaml# + +# We need a select here so we don't match all nodes with 'snps,dw-pcie' +select: + properties: + compatible: + enum: + - amlogic,axg-pcie + - amlogic,g12a-pcie + required: + - compatible + +properties: + compatible: + items: + - enum: + - amlogic,axg-pcie + - amlogic,g12a-pcie + - const: snps,dw-pcie + + reg: + items: + - description: External local bus interface registers + - description: Meson designed configuration registers + - description: PCIe configuration space + + reg-names: + items: + - const: elbi + - const: cfg + - const: config + + interrupts: + maxItems: 1 + + clocks: + items: + - description: PCIe GEN 100M PLL clock + - description: PCIe RC clock gate + - description: PCIe PHY clock + + clock-names: + items: + - const: pclk + - const: port + - const: general + + phys: + maxItems: 1 + + phy-names: + const: pcie + + resets: + items: + - description: Port Reset + - description: Shared APB reset + + reset-names: + items: + - const: port + - const: apb + + num-lanes: + const: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - interrupts + - clock + - clock-names + - "#address-cells" + - "#size-cells" + - "#interrupt-cells" + - interrupt-map + - interrupt-map-mask + - ranges + - bus-range + - device_type + - num-lanes + - phys + - phy-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + pcie: pcie@f9800000 { + compatible = "amlogic,axg-pcie", "snps,dw-pcie"; + reg = <0xf9800000 0x400000>, <0xff646000 0x2000>, <0xf9f00000 0x100000>; + reg-names = "elbi", "cfg", "config"; + interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>; + clocks = <&pclk>, <&clk_port>, <&clk_phy>; + clock-names = "pclk", "port", "general"; + resets = <&reset_pcie_port>, <&reset_pcie_apb>; + reset-names = "port", "apb"; + phys = <&pcie_phy>; + phy-names = "pcie"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 179 IRQ_TYPE_EDGE_RISING>; + bus-range = <0x0 0xff>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + num-lanes = <1>; + ranges = <0x82000000 0 0 0xf9c00000 0 0x00300000>; + }; +... diff --git a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt b/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt deleted file mode 100644 index c3a75ac6e59d..000000000000 --- a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt +++ /dev/null @@ -1,70 +0,0 @@ -Amlogic Meson AXG DWC PCIE SoC controller - -Amlogic Meson PCIe host controller is based on the Synopsys DesignWare PCI core. -It shares common functions with the PCIe DesignWare core driver and -inherits common properties defined in -Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml. - -Additional properties are described here: - -Required properties: -- compatible: - should contain : - - "amlogic,axg-pcie" for AXG SoC Family - - "amlogic,g12a-pcie" for G12A SoC Family - to identify the core. -- reg: - should contain the configuration address space. -- reg-names: Must be - - "elbi" External local bus interface registers - - "cfg" Meson specific registers - - "config" PCIe configuration space -- reset-gpios: The GPIO to generate PCIe PERST# assert and deassert signal. -- clocks: Must contain an entry for each entry in clock-names. -- clock-names: Must include the following entries: - - "pclk" PCIe GEN 100M PLL clock - - "port" PCIe_x(A or B) RC clock gate - - "general" PCIe Phy clock -- resets: phandle to the reset lines. -- reset-names: must contain "port" and "apb" - - "port" Port A or B reset - - "apb" Share APB reset -- phys: should contain a phandle to the PCIE phy -- phy-names: must contain "pcie" - -- device_type: - should be "pci". As specified in snps,dw-pcie.yaml - - -Example configuration: - - pcie: pcie@f9800000 { - compatible = "amlogic,axg-pcie", "snps,dw-pcie"; - reg = <0x0 0xf9800000 0x0 0x400000 - 0x0 0xff646000 0x0 0x2000 - 0x0 0xf9f00000 0x0 0x100000>; - reg-names = "elbi", "cfg", "config"; - reset-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>; - interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>; - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 179 IRQ_TYPE_EDGE_RISING>; - bus-range = <0x0 0xff>; - #address-cells = <3>; - #size-cells = <2>; - device_type = "pci"; - ranges = <0x82000000 0 0 0x0 0xf9c00000 0 0x00300000>; - - clocks = <&clkc CLKID_USB - &clkc CLKID_PCIE_A - &clkc CLKID_PCIE_CML_EN0>; - clock-names = "general", - "pclk", - "port"; - resets = <&reset RESET_PCIE_A>, - <&reset RESET_PCIE_APB>; - reset-names = "port", - "apb"; - phys = <&pcie_phy>; - phy-names = "pcie"; - }; diff --git a/Documentation/devicetree/bindings/pci/apple,pcie.yaml b/Documentation/devicetree/bindings/pci/apple,pcie.yaml index aa38680aaaca..215ff9a9c835 100644 --- a/Documentation/devicetree/bindings/pci/apple,pcie.yaml +++ b/Documentation/devicetree/bindings/pci/apple,pcie.yaml @@ -33,6 +33,7 @@ properties: items: - enum: - apple,t8103-pcie + - apple,t8112-pcie - apple,t6000-pcie - const: apple,pcie diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml index e6ef1012a580..98651ab22103 100644 --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml @@ -10,7 +10,7 @@ maintainers: - Tom Joseph <tjoseph@cadence.com> allOf: - - $ref: "cdns-pcie-ep.yaml#" + - $ref: cdns-pcie-ep.yaml# properties: compatible: diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml index 293b8ec318bc..bc3c48f60fff 100644 --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml @@ -11,7 +11,7 @@ maintainers: allOf: - $ref: /schemas/pci/pci-bus.yaml# - - $ref: "cdns-pcie-host.yaml#" + - $ref: cdns-pcie-host.yaml# properties: compatible: diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml index baeafda36ebe..47a302ba4ac9 100644 --- a/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/pci/cdns-pcie-ep.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/pci/cdns-pcie-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Cadence PCIe Device @@ -10,8 +10,8 @@ maintainers: - Tom Joseph <tjoseph@cadence.com> allOf: - - $ref: "cdns-pcie.yaml#" - - $ref: "pci-ep.yaml#" + - $ref: cdns-pcie.yaml# + - $ref: pci-ep.yaml# properties: cdns,max-outbound-regions: diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml index a944f9bfffff..a6b494401ebb 100644 --- a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/pci/cdns-pcie-host.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/pci/cdns-pcie-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Cadence PCIe Host @@ -10,8 +10,8 @@ maintainers: - Tom Joseph <tjoseph@cadence.com> allOf: - - $ref: "/schemas/pci/pci-bus.yaml#" - - $ref: "cdns-pcie.yaml#" + - $ref: /schemas/pci/pci-bus.yaml# + - $ref: cdns-pcie.yaml# properties: cdns,max-outbound-regions: diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml index df4fe28222b0..2e14f422e829 100644 --- a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/pci/cdns-pcie.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/pci/cdns-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Cadence PCIe Core diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml new file mode 100644 index 000000000000..d91b639ae7ae --- /dev/null +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml @@ -0,0 +1,270 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/fsl,imx6q-pcie-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX6 PCIe RC/EP controller + +maintainers: + - Lucas Stach <l.stach@pengutronix.de> + - Richard Zhu <hongxing.zhu@nxp.com> + +description: + Generic Freescale i.MX PCIe Root Port and Endpoint controller + properties. + +properties: + clocks: + minItems: 3 + maxItems: 4 + + clock-names: + minItems: 3 + maxItems: 4 + + num-lanes: + const: 1 + + fsl,imx7d-pcie-phy: + $ref: /schemas/types.yaml#/definitions/phandle + description: A phandle to an fsl,imx7d-pcie-phy node. Additional + required properties for imx7d-pcie, imx7d-pcie-ep, imx8mq-pcie, + and imx8mq-pcie-ep. + + power-domains: + minItems: 1 + items: + - description: The phandle pointing to the DISPLAY domain for + imx6sx-pcie, imx6sx-pcie-ep, to PCIE_PHY power domain for + imx7d-pcie, imx7d-pcie-ep, imx8mq-pcie and imx8mq-pcie-ep. + - description: The phandle pointing to the PCIE_PHY power domains + for imx6sx-pcie and imx6sx-pcie-ep. + + power-domain-names: + minItems: 1 + items: + - const: pcie + - const: pcie_phy + + resets: + minItems: 2 + maxItems: 3 + description: Phandles to PCIe-related reset lines exposed by SRC + IP block. Additional required by imx7d-pcie, imx7d-pcie-ep, + imx8mq-pcie, and imx8mq-pcie-ep. + + reset-names: + minItems: 2 + maxItems: 3 + + fsl,tx-deemph-gen1: + description: Gen1 De-emphasis value (optional required). + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + + fsl,tx-deemph-gen2-3p5db: + description: Gen2 (3.5db) De-emphasis value (optional required). + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + + fsl,tx-deemph-gen2-6db: + description: Gen2 (6db) De-emphasis value (optional required). + $ref: /schemas/types.yaml#/definitions/uint32 + default: 20 + + fsl,tx-swing-full: + description: Gen2 TX SWING FULL value (optional required). + $ref: /schemas/types.yaml#/definitions/uint32 + default: 127 + + fsl,tx-swing-low: + description: TX launch amplitude swing_low value (optional required). + $ref: /schemas/types.yaml#/definitions/uint32 + default: 127 + + fsl,max-link-speed: + description: Specify PCI Gen for link capability (optional required). + Note that the IMX6 LVDS clock outputs do not meet gen2 jitter + requirements and thus for gen2 capability a gen2 compliant clock + generator should be used and configured. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3, 4] + default: 1 + + phys: + maxItems: 1 + + phy-names: + const: pcie-phy + + vpcie-supply: + description: Should specify the regulator in charge of PCIe port power. + The regulator will be enabled when initializing the PCIe host and + disabled either as part of the init process or when shutting down + the host (optional required). + + vph-supply: + description: Should specify the regulator in charge of VPH one of + the three PCIe PHY powers. This regulator can be supplied by both + 1.8v and 3.3v voltage supplies (optional required). + +required: + - clocks + - clock-names + - num-lanes + +allOf: + - if: + properties: + compatible: + contains: + enum: + - fsl,imx6sx-pcie + - fsl,imx6sx-pcie-ep + then: + properties: + clock-names: + items: + - {} + - {} + - const: pcie_phy + - const: pcie_inbound_axi + power-domains: + minItems: 2 + power-domain-names: + minItems: 2 + + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8mq-pcie + - fsl,imx8mq-pcie-ep + then: + properties: + clock-names: + items: + - {} + - {} + - const: pcie_phy + - const: pcie_aux + - if: + properties: + compatible: + not: + contains: + enum: + - fsl,imx6sx-pcie + - fsl,imx8mq-pcie + - fsl,imx6sx-pcie-ep + - fsl,imx8mq-pcie-ep + then: + properties: + clocks: + maxItems: 3 + clock-names: + maxItems: 3 + + - if: + properties: + compatible: + contains: + enum: + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + - fsl,imx7d-pcie + - fsl,imx6q-pcie-ep + - fsl,imx6qp-pcie-ep + - fsl,imx7d-pcie-ep + then: + properties: + clock-names: + maxItems: 3 + contains: + const: pcie_phy + + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8mm-pcie + - fsl,imx8mp-pcie + - fsl,imx8mm-pcie-ep + - fsl,imx8mp-pcie-ep + then: + properties: + clock-names: + maxItems: 3 + contains: + const: pcie_aux + - if: + properties: + compatible: + contains: + enum: + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + - fsl,imx6q-pcie-ep + - fsl,imx6qp-pcie-ep + then: + properties: + power-domains: false + power-domain-names: false + + - if: + not: + properties: + compatible: + contains: + enum: + - fsl,imx6sx-pcie + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + - fsl,imx6sx-pcie-ep + - fsl,imx6q-pcie-ep + - fsl,imx6qp-pcie-ep + then: + properties: + power-domains: + maxItems: 1 + power-domain-names: false + + - if: + properties: + compatible: + contains: + enum: + - fsl,imx6q-pcie + - fsl,imx6sx-pcie + - fsl,imx6qp-pcie + - fsl,imx7d-pcie + - fsl,imx8mq-pcie + - fsl,imx6q-pcie-ep + - fsl,imx6sx-pcie-ep + - fsl,imx6qp-pcie-ep + - fsl,imx7d-pcie-ep + - fsl,imx8mq-pcie-ep + then: + properties: + resets: + minItems: 3 + reset-names: + items: + - const: pciephy + - const: apps + - const: turnoff + else: + properties: + resets: + maxItems: 2 + reset-names: + items: + - const: apps + - const: turnoff + +additionalProperties: true + +... diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml new file mode 100644 index 000000000000..ee155ed5f181 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/fsl,imx6q-pcie-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX6 PCIe Endpoint controller + +maintainers: + - Lucas Stach <l.stach@pengutronix.de> + - Richard Zhu <hongxing.zhu@nxp.com> + +description: |+ + This PCIe controller is based on the Synopsys DesignWare PCIe IP and + thus inherits all the common properties defined in snps,dw-pcie-ep.yaml. + The controller instances are dual mode where in they can work either in + Root Port mode or Endpoint mode but one at a time. + +properties: + compatible: + enum: + - fsl,imx8mm-pcie-ep + - fsl,imx8mq-pcie-ep + - fsl,imx8mp-pcie-ep + + reg: + minItems: 2 + + reg-names: + items: + - const: dbi + - const: addr_space + + clocks: + minItems: 3 + items: + - description: PCIe bridge clock. + - description: PCIe bus clock. + - description: PCIe PHY clock. + - description: Additional required clock entry for imx6sx-pcie, + imx6sx-pcie-ep, imx8mq-pcie, imx8mq-pcie-ep. + + clock-names: + minItems: 3 + maxItems: 4 + + interrupts: + items: + - description: builtin eDMA interrupter. + + interrupt-names: + items: + - const: dma + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + +allOf: + - $ref: /schemas/pci/snps,dw-pcie-ep.yaml# + - $ref: /schemas/pci/fsl,imx6q-pcie-common.yaml# + - if: + properties: + compatible: + enum: + - fsl,imx8mq-pcie-ep + then: + properties: + clocks: + minItems: 4 + clock-names: + items: + - const: pcie + - const: pcie_bus + - const: pcie_phy + - const: pcie_aux + else: + properties: + clocks: + maxItems: 3 + clock-names: + items: + - const: pcie + - const: pcie_bus + - const: pcie_aux + + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/imx8mp-clock.h> + #include <dt-bindings/power/imx8mp-power.h> + #include <dt-bindings/reset/imx8mp-reset.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + pcie_ep: pcie-ep@33800000 { + compatible = "fsl,imx8mp-pcie-ep"; + reg = <0x33800000 0x000400000>, <0x18000000 0x08000000>; + reg-names = "dbi", "addr_space"; + clocks = <&clk IMX8MP_CLK_HSIO_ROOT>, + <&clk IMX8MP_CLK_HSIO_AXI>, + <&clk IMX8MP_CLK_PCIE_ROOT>; + clock-names = "pcie", "pcie_bus", "pcie_aux"; + assigned-clocks = <&clk IMX8MP_CLK_PCIE_AUX>; + assigned-clock-rates = <10000000>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_50M>; + num-lanes = <1>; + interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>; /* eDMA */ + interrupt-names = "dma"; + fsl,max-link-speed = <3>; + power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_PCIE>; + resets = <&src IMX8MP_RESET_PCIE_CTRL_APPS_EN>, + <&src IMX8MP_RESET_PCIE_CTRL_APPS_TURNOFF>; + reset-names = "apps", "turnoff"; + phys = <&pcie_phy>; + phy-names = "pcie-phy"; + num-ib-windows = <4>; + num-ob-windows = <4>; + }; diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index f13f87fddb3d..81bbb8728f0f 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -13,6 +13,11 @@ maintainers: description: |+ This PCIe host controller is based on the Synopsys DesignWare PCIe IP and thus inherits all the common properties defined in snps,dw-pcie.yaml. + The controller instances are dual mode where in they can work either in + Root Port mode or Endpoint mode but one at a time. + + See fsl,imx6q-pcie-ep.yaml for details on the Endpoint mode device tree + bindings. properties: compatible: @@ -24,9 +29,6 @@ properties: - fsl,imx8mq-pcie - fsl,imx8mm-pcie - fsl,imx8mp-pcie - - fsl,imx8mm-pcie-ep - - fsl,imx8mq-pcie-ep - - fsl,imx8mp-pcie-ep reg: items: @@ -38,14 +40,6 @@ properties: - const: dbi - const: config - interrupts: - items: - - description: builtin MSI controller. - - interrupt-names: - items: - - const: msi - clocks: minItems: 3 items: @@ -53,88 +47,19 @@ properties: - description: PCIe bus clock. - description: PCIe PHY clock. - description: Additional required clock entry for imx6sx-pcie, - imx8mq-pcie. + imx6sx-pcie-ep, imx8mq-pcie, imx8mq-pcie-ep. clock-names: minItems: 3 - items: - - const: pcie - - const: pcie_bus - - enum: [ pcie_phy, pcie_aux ] - - enum: [ pcie_inbound_axi, pcie_aux ] - - num-lanes: - const: 1 - - fsl,imx7d-pcie-phy: - $ref: /schemas/types.yaml#/definitions/phandle - description: A phandle to an fsl,imx7d-pcie-phy node. Additional - required properties for imx7d-pcie and imx8mq-pcie. + maxItems: 4 - power-domains: - minItems: 1 + interrupts: items: - - description: The phandle pointing to the DISPLAY domain for - imx6sx-pcie, to PCIE_PHY power domain for imx7d-pcie and - imx8mq-pcie. - - description: The phandle pointing to the PCIE_PHY power domains - for imx6sx-pcie. + - description: builtin MSI controller. - power-domain-names: - minItems: 1 + interrupt-names: items: - - const: pcie - - const: pcie_phy - - resets: - minItems: 2 - maxItems: 3 - description: Phandles to PCIe-related reset lines exposed by SRC - IP block. Additional required by imx7d-pcie and imx8mq-pcie. - - reset-names: - minItems: 2 - maxItems: 3 - - fsl,tx-deemph-gen1: - description: Gen1 De-emphasis value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 0 - - fsl,tx-deemph-gen2-3p5db: - description: Gen2 (3.5db) De-emphasis value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 0 - - fsl,tx-deemph-gen2-6db: - description: Gen2 (6db) De-emphasis value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 20 - - fsl,tx-swing-full: - description: Gen2 TX SWING FULL value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 127 - - fsl,tx-swing-low: - description: TX launch amplitude swing_low value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 127 - - fsl,max-link-speed: - description: Specify PCI Gen for link capability (optional required). - Note that the IMX6 LVDS clock outputs do not meet gen2 jitter - requirements and thus for gen2 capability a gen2 compliant clock - generator should be used and configured. - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [1, 2, 3, 4] - default: 1 - - phys: - maxItems: 1 - - phy-names: - const: pcie-phy + - const: msi reset-gpio: description: Should specify the GPIO for controlling the PCI bus device @@ -147,17 +72,6 @@ properties: L=operation state) (optional required). type: boolean - vpcie-supply: - description: Should specify the regulator in charge of PCIe port power. - The regulator will be enabled when initializing the PCIe host and - disabled either as part of the init process or when shutting down - the host (optional required). - - vph-supply: - description: Should specify the regulator in charge of VPH one of - the three PCIe PHY powers. This regulator can be supplied by both - 1.8v and 3.3v voltage supplies (optional required). - required: - compatible - reg @@ -167,144 +81,79 @@ required: - device_type - bus-range - ranges - - num-lanes - interrupts - interrupt-names - "#interrupt-cells" - interrupt-map-mask - interrupt-map - - clocks - - clock-names allOf: - $ref: /schemas/pci/snps,dw-pcie.yaml# + - $ref: /schemas/pci/fsl,imx6q-pcie-common.yaml# - if: properties: compatible: - contains: - const: fsl,imx6sx-pcie + enum: + - fsl,imx6sx-pcie then: properties: + clocks: + minItems: 4 clock-names: items: - - {} - - {} + - const: pcie + - const: pcie_bus - const: pcie_phy - const: pcie_inbound_axi - power-domains: - minItems: 2 - power-domain-names: - minItems: 2 + - if: properties: compatible: - contains: - const: fsl,imx8mq-pcie + enum: + - fsl,imx8mq-pcie then: properties: + clocks: + minItems: 4 clock-names: items: - - {} - - {} + - const: pcie + - const: pcie_bus - const: pcie_phy - const: pcie_aux + - if: properties: compatible: - not: - contains: - enum: - - fsl,imx6sx-pcie - - fsl,imx8mq-pcie + enum: + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + - fsl,imx7d-pcie then: properties: clocks: maxItems: 3 clock-names: - maxItems: 3 + items: + - const: pcie + - const: pcie_bus + - const: pcie_phy - if: properties: compatible: - contains: - enum: - - fsl,imx6q-pcie - - fsl,imx6qp-pcie - - fsl,imx7d-pcie + enum: + - fsl,imx8mm-pcie + - fsl,imx8mp-pcie then: properties: - clock-names: + clocks: maxItems: 3 - contains: - const: pcie_phy - - - if: - properties: - compatible: - contains: - enum: - - fsl,imx8mm-pcie - - fsl,imx8mp-pcie - then: - properties: clock-names: - maxItems: 3 - contains: - const: pcie_aux - - if: - properties: - compatible: - contains: - enum: - - fsl,imx6q-pcie - - fsl,imx6qp-pcie - then: - properties: - power-domains: false - power-domain-names: false - - - if: - not: - properties: - compatible: - contains: - enum: - - fsl,imx6sx-pcie - - fsl,imx6q-pcie - - fsl,imx6qp-pcie - then: - properties: - power-domains: - maxItems: 1 - power-domain-names: false - - - if: - properties: - compatible: - contains: - enum: - - fsl,imx6q-pcie - - fsl,imx6sx-pcie - - fsl,imx6qp-pcie - - fsl,imx7d-pcie - - fsl,imx8mq-pcie - then: - properties: - resets: - minItems: 3 - reset-names: items: - - const: pciephy - - const: apps - - const: turnoff - else: - properties: - resets: - maxItems: 2 - reset-names: - items: - - const: apps - - const: turnoff + - const: pcie + - const: pcie_bus + - const: pcie_aux unevaluatedProperties: false diff --git a/Documentation/devicetree/bindings/pci/intel,keembay-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/intel,keembay-pcie-ep.yaml index e87ff27526ff..730e63fd7669 100644 --- a/Documentation/devicetree/bindings/pci/intel,keembay-pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/intel,keembay-pcie-ep.yaml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/pci/intel,keembay-pcie-ep.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/pci/intel,keembay-pcie-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Intel Keem Bay PCIe controller Endpoint mode diff --git a/Documentation/devicetree/bindings/pci/intel,keembay-pcie.yaml b/Documentation/devicetree/bindings/pci/intel,keembay-pcie.yaml index ed4400c9ac09..505acc4f3efc 100644 --- a/Documentation/devicetree/bindings/pci/intel,keembay-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/intel,keembay-pcie.yaml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/pci/intel,keembay-pcie.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/pci/intel,keembay-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Intel Keem Bay PCIe controller Root Complex mode diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml index 89cfdee4b89f..b3c22ebd156c 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml @@ -45,7 +45,7 @@ properties: description: Reference to a syscon representing TCSR followed by the two offsets within syscon for Perst enable and Perst separation enable registers - $ref: "/schemas/types.yaml#/definitions/phandle-array" + $ref: /schemas/types.yaml#/definitions/phandle-array items: - items: - description: Syscon to TCSR system registers @@ -166,7 +166,7 @@ examples: #include <dt-bindings/clock/qcom,gcc-sdx55.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/interrupt-controller/arm-gic.h> - pcie_ep: pcie-ep@40000000 { + pcie_ep: pcie-ep@1c00000 { compatible = "qcom,sdx55-pcie-ep"; reg = <0x01c00000 0x3000>, <0x40000000 0xf1d>, diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml index fb32c43dd12d..81971be4e554 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml @@ -8,7 +8,7 @@ title: Qualcomm PCI express root complex maintainers: - Bjorn Andersson <bjorn.andersson@linaro.org> - - Stanimir Varbanov <svarbanov@mm-sol.com> + - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> description: | Qualcomm PCIe root complex controller is based on the Synopsys DesignWare @@ -33,22 +33,24 @@ properties: - qcom,pcie-sc8180x - qcom,pcie-sc8280xp - qcom,pcie-sdm845 + - qcom,pcie-sdx55 - qcom,pcie-sm8150 - qcom,pcie-sm8250 - qcom,pcie-sm8350 - qcom,pcie-sm8450-pcie0 - qcom,pcie-sm8450-pcie1 + - qcom,pcie-sm8550 - items: - const: qcom,pcie-msm8998 - const: qcom,pcie-msm8996 reg: minItems: 4 - maxItems: 5 + maxItems: 6 reg-names: minItems: 4 - maxItems: 5 + maxItems: 6 interrupts: minItems: 1 @@ -58,6 +60,9 @@ properties: minItems: 1 maxItems: 8 + iommu-map: + maxItems: 2 + # Common definitions for clocks, clock-names and reset. # Platform constraints are described later. clocks: @@ -120,14 +125,20 @@ required: - compatible - reg - reg-names - - interrupts - - interrupt-names - - "#interrupt-cells" - interrupt-map-mask - interrupt-map - clocks - clock-names +anyOf: + - required: + - interrupts + - interrupt-names + - "#interrupt-cells" + - required: + - msi-map + - msi-map-mask + allOf: - $ref: /schemas/pci/pci-bus.yaml# - if: @@ -185,13 +196,15 @@ allOf: properties: reg: minItems: 4 - maxItems: 4 + maxItems: 5 reg-names: + minItems: 4 items: - const: parf # Qualcomm specific registers - const: dbi # DesignWare PCIe registers - const: elbi # External local bus interface registers - const: config # PCIe configuration space + - const: mhi # MHI registers - if: properties: @@ -201,22 +214,26 @@ allOf: - qcom,pcie-sc7280 - qcom,pcie-sc8180x - qcom,pcie-sc8280xp + - qcom,pcie-sdx55 - qcom,pcie-sm8250 - qcom,pcie-sm8350 - qcom,pcie-sm8450-pcie0 - qcom,pcie-sm8450-pcie1 + - qcom,pcie-sm8550 then: properties: reg: minItems: 5 - maxItems: 5 + maxItems: 6 reg-names: + minItems: 5 items: - const: parf # Qualcomm specific registers - const: dbi # DesignWare PCIe registers - const: elbi # External local bus interface registers - const: atu # ATU address space - const: config # PCIe configuration space + - const: mhi # MHI registers - if: properties: @@ -644,6 +661,37 @@ allOf: compatible: contains: enum: + - qcom,pcie-sm8550 + then: + properties: + clocks: + minItems: 7 + maxItems: 8 + clock-names: + minItems: 7 + items: + - 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: ddrss_sf_tbu # PCIe SF TBU clock + - const: noc_aggr # Aggre NoC PCIe AXI clock + - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock + resets: + minItems: 1 + maxItems: 2 + reset-names: + minItems: 1 + items: + - const: pci # PCIe core reset + - const: link_down # PCIe link down reset + + - if: + properties: + compatible: + contains: + enum: - qcom,pcie-sa8540p - qcom,pcie-sc8280xp then: @@ -674,6 +722,32 @@ allOf: compatible: contains: enum: + - qcom,pcie-sdx55 + then: + properties: + clocks: + minItems: 7 + maxItems: 7 + 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: sleep # PCIe Sleep clock + resets: + maxItems: 1 + reset-names: + items: + - const: pci # PCIe core reset + + - if: + properties: + compatible: + contains: + enum: - qcom,pcie-sa8540p - qcom,pcie-sc8280xp then: @@ -724,6 +798,7 @@ allOf: - qcom,pcie-sm8350 - qcom,pcie-sm8450-pcie0 - qcom,pcie-sm8450-pcie1 + - qcom,pcie-sm8550 then: oneOf: - properties: diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml index 2be72ae1169f..24c88942e59e 100644 --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml @@ -21,8 +21,12 @@ allOf: properties: compatible: - items: + oneOf: - const: rockchip,rk3568-pcie + - items: + - enum: + - rockchip,rk3588-pcie + - const: rockchip,rk3568-pcie reg: items: diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml index 10e6eabdff53..62292185fe2e 100644 --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml @@ -2,8 +2,8 @@ # Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ %YAML 1.2 --- -$id: "http://devicetree.org/schemas/pci/ti,j721e-pci-ep.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/pci/ti,j721e-pci-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: TI J721E PCI EP (PCIe Wrapper) @@ -11,7 +11,7 @@ maintainers: - Kishon Vijay Abraham I <kishon@ti.com> allOf: - - $ref: "cdns-pcie-ep.yaml#" + - $ref: cdns-pcie-ep.yaml# properties: compatible: diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml index 3d7aee97353a..a2c5eaea57f5 100644 --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml @@ -2,8 +2,8 @@ # Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ %YAML 1.2 --- -$id: "http://devicetree.org/schemas/pci/ti,j721e-pci-host.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/pci/ti,j721e-pci-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: TI J721E PCI Host (PCIe Wrapper) @@ -11,7 +11,7 @@ maintainers: - Kishon Vijay Abraham I <kishon@ti.com> allOf: - - $ref: "cdns-pcie-host.yaml#" + - $ref: cdns-pcie-host.yaml# properties: compatible: |