1# SPDX-License-Identifier: GPL-2.0-or-later
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2400-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ASPEED AST2400 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,ast2400-scu", "syscon", "simple-mfd"
18
19  Refer to the the bindings described in
20  Documentation/devicetree/bindings/mfd/syscon.yaml
21
22properties:
23  compatible:
24    const: aspeed,ast2400-pinctrl
25  reg:
26    description: |
27      A hint for the memory regions associated with the pin-controller
28
29patternProperties:
30  '^.*$':
31    if:
32      type: object
33    then:
34      patternProperties:
35        "^function|groups$":
36          allOf:
37            - $ref: "/schemas/types.yaml#/definitions/string"
38            - enum: [ ACPI, ADC0, ADC1, ADC10, ADC11, ADC12, ADC13, ADC14,
39              ADC15, ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT,
40              DDCCLK, DDCDAT, EXTRST, FLACK, FLBUSY, FLWP, GPID, GPID0, GPID2,
41              GPID4, GPID6, GPIE0, GPIE2, GPIE4, GPIE6, I2C10, I2C11, I2C12,
42              I2C13, I2C14, I2C3, I2C4, I2C5, I2C6, I2C7, I2C8, I2C9, LPCPD,
43              LPCPME, LPCRST, LPCSMI, MAC1LINK, MAC2LINK, MDIO1, MDIO2, NCTS1,
44              NCTS2, NCTS3, NCTS4, NDCD1, NDCD2, NDCD3, NDCD4, NDSR1, NDSR2,
45              NDSR3, NDSR4, NDTR1, NDTR2, NDTR3, NDTR4, NDTS4, NRI1, NRI2,
46              NRI3, NRI4, NRTS1, NRTS2, NRTS3, OSCCLK, PWM0, PWM1, PWM2, PWM3,
47              PWM4, PWM5, PWM6, PWM7, RGMII1, RGMII2, RMII1, RMII2, ROM16,
48              ROM8, ROMCS1, ROMCS2, ROMCS3, ROMCS4, RXD1, RXD2, RXD3, RXD4,
49              SALT1, SALT2, SALT3, SALT4, SD1, SD2, SGPMCK, SGPMI, SGPMLD,
50              SGPMO, SGPSCK, SGPSI0, SGPSI1, SGPSLD, SIOONCTRL, SIOPBI, SIOPBO,
51              SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1, SPI1DEBUG,
52              SPI1PASSTHRU, SPICS1, TIMER3, TIMER4, TIMER5, TIMER6, TIMER7,
53              TIMER8, TXD1, TXD2, TXD3, TXD4, UART6, USB11D1, USB11H2, USB2D1,
54              USB2H1, USBCKI, VGABIOS_ROM, VGAHS, VGAVS, VPI18, VPI24, VPI30,
55              VPO12, VPO24, WDTRST1, WDTRST2 ]
56
57required:
58  - compatible
59
60additionalProperties: false
61
62examples:
63  - |
64    syscon: scu@1e6e2000 {
65        compatible = "aspeed,ast2400-scu", "syscon", "simple-mfd";
66        reg = <0x1e6e2000 0x1a8>;
67
68        pinctrl: pinctrl {
69            compatible = "aspeed,g4-pinctrl";
70
71            pinctrl_i2c3_default: i2c3_default {
72                function = "I2C3";
73                groups = "I2C3";
74            };
75
76            pinctrl_gpioh0_unbiased_default: gpioh0 {
77                pins = "A8";
78                bias-disable;
79            };
80        };
81    };
82