1*4882a593Smuzhiyun* Amazon Annapurna Labs PCIe host bridge 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunAmazon's Annapurna Labs PCIe Host Controller is based on the Synopsys DesignWare 4*4882a593SmuzhiyunPCI core. It inherits common properties defined in 5*4882a593SmuzhiyunDocumentation/devicetree/bindings/pci/designware-pcie.txt. 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunProperties of the host controller node that differ from it are: 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun- compatible: 10*4882a593Smuzhiyun Usage: required 11*4882a593Smuzhiyun Value type: <stringlist> 12*4882a593Smuzhiyun Definition: Value should contain 13*4882a593Smuzhiyun - "amazon,al-alpine-v2-pcie" for alpine_v2 14*4882a593Smuzhiyun - "amazon,al-alpine-v3-pcie" for alpine_v3 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun- reg: 17*4882a593Smuzhiyun Usage: required 18*4882a593Smuzhiyun Value type: <prop-encoded-array> 19*4882a593Smuzhiyun Definition: Register ranges as listed in the reg-names property 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun- reg-names: 22*4882a593Smuzhiyun Usage: required 23*4882a593Smuzhiyun Value type: <stringlist> 24*4882a593Smuzhiyun Definition: Must include the following entries 25*4882a593Smuzhiyun - "config" PCIe ECAM space 26*4882a593Smuzhiyun - "controller" AL proprietary registers 27*4882a593Smuzhiyun - "dbi" Designware PCIe registers 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunExample: 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun pcie-external0: pcie@fb600000 { 32*4882a593Smuzhiyun compatible = "amazon,al-alpine-v3-pcie"; 33*4882a593Smuzhiyun reg = <0x0 0xfb600000 0x0 0x00100000 34*4882a593Smuzhiyun 0x0 0xfd800000 0x0 0x00010000 35*4882a593Smuzhiyun 0x0 0xfd810000 0x0 0x00001000>; 36*4882a593Smuzhiyun reg-names = "config", "controller", "dbi"; 37*4882a593Smuzhiyun bus-range = <0 255>; 38*4882a593Smuzhiyun device_type = "pci"; 39*4882a593Smuzhiyun #address-cells = <3>; 40*4882a593Smuzhiyun #size-cells = <2>; 41*4882a593Smuzhiyun #interrupt-cells = <1>; 42*4882a593Smuzhiyun interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; 43*4882a593Smuzhiyun interrupt-map-mask = <0x00 0 0 7>; 44*4882a593Smuzhiyun interrupt-map = <0x0000 0 0 1 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>; /* INTa */ 45*4882a593Smuzhiyun ranges = <0x02000000 0x0 0xc0010000 0x0 0xc0010000 0x0 0x07ff0000>; 46*4882a593Smuzhiyun }; 47