1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/bus/brcm,gisb-arb.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Broadcom GISB bus Arbiter controller 8 9maintainers: 10 - Florian Fainelli <f.fainelli@gmail.com> 11 12properties: 13 compatible: 14 oneOf: 15 - items: 16 - enum: 17 - brcm,bcm7445-gisb-arb # for other 28nm chips 18 - const: brcm,gisb-arb 19 - items: 20 - enum: 21 - brcm,bcm7278-gisb-arb # for V7 28nm chips 22 - brcm,bcm7435-gisb-arb # for newer 40nm chips 23 - brcm,bcm7400-gisb-arb # for older 40nm chips and all 65nm chips 24 - brcm,bcm7038-gisb-arb # for 130nm chips 25 - brcm,gisb-arb # fallback compatible 26 27 reg: 28 maxItems: 1 29 30 interrupts: 31 minItems: 2 32 items: 33 - description: timeout interrupt line 34 - description: target abort interrupt line 35 - description: breakpoint interrupt line 36 37 brcm,gisb-arb-master-mask: 38 $ref: /schemas/types.yaml#/definitions/uint32 39 description: > 40 32-bits wide bitmask used to specify which GISB masters are valid at the 41 system level 42 43 brcm,gisb-arb-master-names: 44 $ref: /schemas/types.yaml#/definitions/string-array 45 description: > 46 String list of the litteral name of the GISB masters. Should match the 47 number of bits set in brcm,gisb-master-mask and the order in which they 48 appear from MSB to LSB. 49 50required: 51 - compatible 52 - reg 53 - interrupts 54 55additionalProperties: false 56 57examples: 58 - | 59 gisb-arb@f0400000 { 60 compatible = "brcm,gisb-arb"; 61 reg = <0xf0400000 0x800>; 62 interrupts = <0>, <2>; 63 interrupt-parent = <&sun_l2_intc>; 64 brcm,gisb-arb-master-mask = <0x7>; 65 brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0"; 66 }; 67