xref: /linux/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e) 
1# SPDX-License-Identifier: GPL-2.0-or-later
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2500-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ASPEED AST2500 Pin Controller
8
9maintainers:
10  - Andrew Jeffery <andrew@aj.id.au>
11
12description: |+
13  The pin controller node should be the child of a syscon node with the
14  required property:
15
16  - compatible: 	Should be one of the following:
17  			"aspeed,ast2500-scu", "syscon", "simple-mfd"
18  			"aspeed,g5-scu", "syscon", "simple-mfd"
19
20  Refer to the the bindings described in
21  Documentation/devicetree/bindings/mfd/syscon.yaml
22
23properties:
24  compatible:
25    const: aspeed,ast2500-pinctrl
26  reg:
27    description: |
28      A hint for the memory regions associated with the pin-controller
29  aspeed,external-nodes:
30    minItems: 2
31    maxItems: 2
32    $ref: /schemas/types.yaml#/definitions/phandle-array
33    description: |
34      A cell of phandles to external controller nodes:
35      0: compatible with "aspeed,ast2500-gfx", "syscon"
36      1: compatible with "aspeed,ast2500-lhc", "syscon"
37
38patternProperties:
39  '^.*$':
40    if:
41      type: object
42    then:
43      patternProperties:
44        "^function|groups$":
45          $ref: "/schemas/types.yaml#/definitions/string"
46          enum: [ ACPI, ADC0, ADC1, ADC10, ADC11, ADC12, ADC13, ADC14, ADC15,
47                  ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, DDCCLK, DDCDAT,
48                  ESPI, FWSPICS1, FWSPICS2, GPID0, GPID2, GPID4, GPID6, GPIE0, GPIE2,
49                  GPIE4, GPIE6, I2C10, I2C11, I2C12, I2C13, I2C14, I2C3, I2C4, I2C5,
50                  I2C6, I2C7, I2C8, I2C9, LAD0, LAD1, LAD2, LAD3, LCLK, LFRAME, LPCHC,
51                  LPCPD, LPCPLUS, LPCPME, LPCRST, LPCSMI, LSIRQ, MAC1LINK, MAC2LINK,
52                  MDIO1, MDIO2, NCTS1, NCTS2, NCTS3, NCTS4, NDCD1, NDCD2, NDCD3, NDCD4,
53                  NDSR1, NDSR2, NDSR3, NDSR4, NDTR1, NDTR2, NDTR3, NDTR4, NRI1, NRI2,
54                  NRI3, NRI4, NRTS1, NRTS2, NRTS3, NRTS4, OSCCLK, PEWAKE, PNOR, PWM0,
55                  PWM1, PWM2, PWM3, PWM4, PWM5, PWM6, PWM7, RGMII1, RGMII2, RMII1,
56                  RMII2, RXD1, RXD2, RXD3, RXD4, SALT1, SALT10, SALT11, SALT12, SALT13,
57                  SALT14, SALT2, SALT3, SALT4, SALT5, SALT6, SALT7, SALT8, SALT9, SCL1,
58                  SCL2, SD1, SD2, SDA1, SDA2, SGPS1, SGPS2, SIOONCTRL, SIOPBI, SIOPBO,
59                  SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1, SPI1CS1, SPI1DEBUG,
60                  SPI1PASSTHRU, SPI2CK, SPI2CS0, SPI2CS1, SPI2MISO, SPI2MOSI, TIMER3,
61                  TIMER4, TIMER5, TIMER6, TIMER7, TIMER8, TXD1, TXD2, TXD3, TXD4, UART6,
62                  USB11BHID, USB2AD, USB2AH, USB2BD, USB2BH, USBCKI, VGABIOSROM, VGAHS,
63                  VGAVS, VPI24, VPO, WDTRST1, WDTRST2]
64
65required:
66  - compatible
67  - aspeed,external-nodes
68
69additionalProperties: false
70
71examples:
72  - |
73    apb {
74        compatible = "simple-bus";
75        #address-cells = <1>;
76        #size-cells = <1>;
77        ranges;
78
79        syscon: scu@1e6e2000 {
80            compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd";
81            reg = <0x1e6e2000 0x1a8>;
82
83            pinctrl: pinctrl {
84                compatible = "aspeed,g5-pinctrl";
85                aspeed,external-nodes = <&gfx>, <&lhc>;
86
87                pinctrl_i2c3_default: i2c3_default {
88                    function = "I2C3";
89                    groups = "I2C3";
90                };
91
92                pinctrl_gpioh0_unbiased_default: gpioh0 {
93                    pins = "A18";
94                    bias-disable;
95                };
96            };
97        };
98
99        gfx: display@1e6e6000 {
100            compatible = "aspeed,ast2500-gfx", "syscon";
101            reg = <0x1e6e6000 0x1000>;
102        };
103    };
104
105    lpc: lpc@1e789000 {
106        compatible = "aspeed,ast2500-lpc", "simple-mfd";
107        reg = <0x1e789000 0x1000>;
108
109        #address-cells = <1>;
110        #size-cells = <1>;
111        ranges = <0x0 0x1e789000 0x1000>;
112
113        lpc_host: lpc-host@80 {
114            compatible = "aspeed,ast2500-lpc-host", "simple-mfd", "syscon";
115            reg = <0x80 0x1e0>;
116            reg-io-width = <4>;
117
118            #address-cells = <1>;
119            #size-cells = <1>;
120            ranges = <0x0 0x80 0x1e0>;
121
122            lhc: lhc@20 {
123                   compatible = "aspeed,ast2500-lhc";
124                   reg = <0x20 0x24>, <0x48 0x8>;
125            };
126        };
127    };
128