1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/arm/hisilicon/low-pin-count.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: Hisilicon HiP06 Low Pin Count device 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - Wei Xu <xuwei5@hisilicon.com> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyundescription: | 13*4882a593Smuzhiyun Hisilicon HiP06 SoCs implement a Low Pin Count (LPC) controller, which 14*4882a593Smuzhiyun provides I/O access to some legacy ISA devices. 15*4882a593Smuzhiyun HiP06 is based on arm64 architecture where there is no I/O space. So, the 16*4882a593Smuzhiyun I/O ports here are not CPU addresses, and there is no 'ranges' property in 17*4882a593Smuzhiyun LPC device node. 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunproperties: 20*4882a593Smuzhiyun $nodename: 21*4882a593Smuzhiyun pattern: '^isa@[0-9a-f]+$' 22*4882a593Smuzhiyun description: | 23*4882a593Smuzhiyun The node name before '@' must be "isa" to represent the binding stick 24*4882a593Smuzhiyun to the ISA/EISA binding specification. 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun compatible: 27*4882a593Smuzhiyun enum: 28*4882a593Smuzhiyun - hisilicon,hip06-lpc 29*4882a593Smuzhiyun - hisilicon,hip07-lpc 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun reg: 32*4882a593Smuzhiyun maxItems: 1 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun '#address-cells': 35*4882a593Smuzhiyun const: 2 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun '#size-cells': 38*4882a593Smuzhiyun const: 1 39*4882a593Smuzhiyun 40*4882a593Smuzhiyunrequired: 41*4882a593Smuzhiyun - compatible 42*4882a593Smuzhiyun - reg 43*4882a593Smuzhiyun 44*4882a593SmuzhiyunadditionalProperties: 45*4882a593Smuzhiyun type: object 46*4882a593Smuzhiyun 47*4882a593Smuzhiyunexamples: 48*4882a593Smuzhiyun - | 49*4882a593Smuzhiyun isa@a01b0000 { 50*4882a593Smuzhiyun compatible = "hisilicon,hip06-lpc"; 51*4882a593Smuzhiyun #address-cells = <2>; 52*4882a593Smuzhiyun #size-cells = <1>; 53*4882a593Smuzhiyun reg = <0xa01b0000 0x1000>; 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun ipmi0: bt@e4 { 56*4882a593Smuzhiyun compatible = "ipmi-bt"; 57*4882a593Smuzhiyun device_type = "ipmi"; 58*4882a593Smuzhiyun reg = <0x01 0xe4 0x04>; 59*4882a593Smuzhiyun }; 60*4882a593Smuzhiyun }; 61*4882a593Smuzhiyun... 62