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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-03 08:22:13 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-03 08:22:13 +0300
commitdcd68326d29b62f3039e4f4d23d3e38f24d37360 (patch)
treeb02e363257d2362dc29b251ae2e23efaf598cb07 /Documentation/devicetree/bindings/pci/apple,pcie.yaml
parent624ad333d49e136c54a342ce0009a05b439616be (diff)
parent4c7a7d5086cd0f9ce22bb3df86604576d0604db5 (diff)
downloadlinux-dcd68326d29b62f3039e4f4d23d3e38f24d37360.tar.xz
Merge tag 'devicetree-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring: - Convert /reserved-memory bindings to schemas - Convert a bunch of NFC bindings to schemas - Convert bindings to schema: Xilinx USB, Freescale DDR controller, Arm CCI-400, UBlox Neo-6M, 1-Wire GPIO, MSI controller, ASpeed LPC, OMAP and Inside-Secure HWRNG, register-bit-led, OV5640, Silead GSL1680, Elan ekth3000, Marvell bluetooth, TI wlcore, TI bluetooth, ESP ESP8089, tlm,trusted-foundations, Microchip cap11xx, Ralink SoCs and boards, and TI sysc - New binding schemas for: msi-ranges, Aspeed UART routing controller, palmbus, Xylon LogiCVC display controller, Mediatek's MT7621 SDRAM memory controller, and Apple M1 PCIe host - Run schema checks for %.dtb targets - Improve build time when using DT_SCHEMA_FILES - Improve error message when dtschema is not found - Various doc reference fixes in MAINTAINERS - Convert architectures to common CPU h/w ID parsing function of_get_cpu_hwid(). - Allow for empty NUMA node IDs which may be hotplugged - Cleanup of __fdt_scan_reserved_mem() - Constify device_node parameters - Update dtc to upstream v1.6.1-19-g0a3a9d3449c8. Adds new checks 'node_name_vs_property_name' and 'interrupt_map'. - Enable dtc 'unit_address_format' warning by default - Fix unittest EXPECT text for gpio hog errors * tag 'devicetree-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (97 commits) dt-bindings: net: ti,bluetooth: Document default max-speed dt-bindings: pci: rcar-pci-ep: Document r8a7795 dt-bindings: net: qcom,ipa: IPA does support up to two iommus of/fdt: Remove of_scan_flat_dt() usage for __fdt_scan_reserved_mem() of: unittest: document intentional interrupt-map provider build warning of: unittest: fix EXPECT text for gpio hog errors of/unittest: Disable new dtc node_name_vs_property_name and interrupt_map warnings scripts/dtc: Update to upstream version v1.6.1-19-g0a3a9d3449c8 dt-bindings: arm: firmware: tlm,trusted-foundations: Convert txt bindings to yaml dt-bindings: display: tilcd: Fix endpoint addressing in example dt-bindings: input: microchip,cap11xx: Convert txt bindings to yaml dt-bindings: ufs: exynos-ufs: add exynosautov9 compatible dt-bindings: ufs: exynos-ufs: add io-coherency property dt-bindings: mips: convert Ralink SoCs and boards to schema dt-bindings: display: xilinx: Fix example with psgtr dt-bindings: net: nfc: nxp,pn544: Convert txt bindings to yaml dt-bindings: Add a help message when dtschema tools are missing dt-bindings: bus: ti-sysc: Update to use yaml binding dt-bindings: sram: Allow numbers in sram region node name dt-bindings: display: Document the Xylon LogiCVC display controller ...
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/apple,pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple PCIe host controller
+
+maintainers:
+ - Mark Kettenis <kettenis@openbsd.org>
+
+description: |
+ The Apple PCIe host controller is a PCIe host controller with
+ multiple root ports present in Apple ARM SoC platforms, including
+ various iPhone and iPad devices and the "Apple Silicon" Macs.
+ The controller incorporates Synopsys DesigWare PCIe logic to
+ implements its root ports. But the ATU found on most DesignWare
+ PCIe host bridges is absent.
+
+ All root ports share a single ECAM space, but separate GPIOs are
+ used to take the PCI devices on those ports out of reset. Therefore
+ the standard "reset-gpios" and "max-link-speed" properties appear on
+ the child nodes that represent the PCI bridges that correspond to
+ the individual root ports.
+
+ MSIs are handled by the PCIe controller and translated into regular
+ interrupts. A range of 32 MSIs is provided. These 32 MSIs can be
+ distributed over the root ports as the OS sees fit by programming
+ the PCIe controller's port registers.
+
+allOf:
+ - $ref: /schemas/pci/pci-bus.yaml#
+ - $ref: /schemas/interrupt-controller/msi-controller.yaml#
+
+properties:
+ compatible:
+ items:
+ - const: apple,t8103-pcie
+ - const: apple,pcie
+
+ reg:
+ minItems: 3
+ maxItems: 5
+
+ reg-names:
+ minItems: 3
+ items:
+ - const: config
+ - const: rc
+ - const: port0
+ - const: port1
+ - const: port2
+
+ ranges:
+ minItems: 2
+ maxItems: 2
+
+ interrupts:
+ description:
+ Interrupt specifiers, one for each root port.
+ minItems: 1
+ maxItems: 3
+
+ msi-parent: true
+
+ msi-ranges:
+ maxItems: 1
+
+ iommu-map: true
+ iommu-map-mask: true
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - bus-range
+ - interrupts
+ - msi-controller
+ - msi-parent
+ - msi-ranges
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/apple-aic.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ pcie0: pcie@690000000 {
+ compatible = "apple,t8103-pcie", "apple,pcie";
+ device_type = "pci";
+
+ reg = <0x6 0x90000000 0x0 0x1000000>,
+ <0x6 0x80000000 0x0 0x100000>,
+ <0x6 0x81000000 0x0 0x4000>,
+ <0x6 0x82000000 0x0 0x4000>,
+ <0x6 0x83000000 0x0 0x4000>;
+ reg-names = "config", "rc", "port0", "port1", "port2";
+
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 695 IRQ_TYPE_LEVEL_HIGH>,
+ <AIC_IRQ 698 IRQ_TYPE_LEVEL_HIGH>,
+ <AIC_IRQ 701 IRQ_TYPE_LEVEL_HIGH>;
+
+ msi-controller;
+ msi-parent = <&pcie0>;
+ msi-ranges = <&aic AIC_IRQ 704 IRQ_TYPE_EDGE_RISING 32>;
+
+ iommu-map = <0x100 &dart0 1 1>,
+ <0x200 &dart1 1 1>,
+ <0x300 &dart2 1 1>;
+ iommu-map-mask = <0xff00>;
+
+ bus-range = <0 3>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x43000000 0x6 0xa0000000 0x6 0xa0000000 0x0 0x20000000>,
+ <0x02000000 0x0 0xc0000000 0x6 0xc0000000 0x0 0x40000000>;
+
+ power-domains = <&ps_apcie>, <&ps_apcie_gp>, <&ps_pcie_ref>;
+ pinctrl-0 = <&pcie_pins>;
+ pinctrl-names = "default";
+
+ pci@0,0 {
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ reset-gpios = <&pinctrl_ap 152 0>;
+ max-link-speed = <2>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+
+ pci@1,0 {
+ device_type = "pci";
+ reg = <0x800 0x0 0x0 0x0 0x0>;
+ reset-gpios = <&pinctrl_ap 153 0>;
+ max-link-speed = <2>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+
+ pci@2,0 {
+ device_type = "pci";
+ reg = <0x1000 0x0 0x0 0x0 0x0>;
+ reset-gpios = <&pinctrl_ap 33 0>;
+ max-link-speed = <1>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+ };
+ };