intel-gw-pcie.yaml (2404B)
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pci/intel-gw-pcie.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: PCIe RC controller on Intel Gateway SoCs 8 9maintainers: 10 - Rahul Tanwar <rtanwar@maxlinear.com> 11 12select: 13 properties: 14 compatible: 15 contains: 16 const: intel,lgm-pcie 17 required: 18 - compatible 19 20allOf: 21 - $ref: /schemas/pci/snps,dw-pcie.yaml# 22 23properties: 24 compatible: 25 items: 26 - const: intel,lgm-pcie 27 - const: snps,dw-pcie 28 29 reg: 30 items: 31 - description: Controller control and status registers. 32 - description: PCIe configuration registers. 33 - description: Controller application registers. 34 35 reg-names: 36 items: 37 - const: dbi 38 - const: config 39 - const: app 40 41 ranges: 42 maxItems: 1 43 44 resets: 45 maxItems: 1 46 47 clocks: 48 maxItems: 1 49 50 phys: 51 maxItems: 1 52 53 phy-names: 54 const: pcie 55 56 reset-gpios: 57 maxItems: 1 58 59 num-lanes: 60 maximum: 2 61 62 max-link-speed: 63 enum: [1, 2, 3, 4] 64 default: 1 65 66 reset-assert-ms: 67 description: | 68 Delay after asserting reset to the PCIe device. 69 maximum: 500 70 default: 100 71 72required: 73 - compatible 74 - reg 75 - reg-names 76 - ranges 77 - resets 78 - clocks 79 - phys 80 - phy-names 81 - reset-gpios 82 - '#interrupt-cells' 83 - interrupt-map 84 - interrupt-map-mask 85 86unevaluatedProperties: false 87 88examples: 89 - | 90 #include <dt-bindings/gpio/gpio.h> 91 pcie10: pcie@d0e00000 { 92 compatible = "intel,lgm-pcie", "snps,dw-pcie"; 93 device_type = "pci"; 94 #address-cells = <3>; 95 #size-cells = <2>; 96 reg = <0xd0e00000 0x1000>, 97 <0xd2000000 0x800000>, 98 <0xd0a41000 0x1000>; 99 reg-names = "dbi", "config", "app"; 100 linux,pci-domain = <0>; 101 max-link-speed = <4>; 102 bus-range = <0x00 0x08>; 103 #interrupt-cells = <1>; 104 interrupt-map-mask = <0 0 0 0x7>; 105 interrupt-map = <0 0 0 1 &ioapic1 27 1>, 106 <0 0 0 2 &ioapic1 28 1>, 107 <0 0 0 3 &ioapic1 29 1>, 108 <0 0 0 4 &ioapic1 30 1>; 109 ranges = <0x02000000 0 0xd4000000 0xd4000000 0 0x04000000>; 110 resets = <&rcu0 0x50 0>; 111 clocks = <&cgu0 120>; 112 phys = <&cb0phy0>; 113 phy-names = "pcie"; 114 reset-assert-ms = <500>; 115 reset-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>; 116 num-lanes = <2>; 117 };