xref: /linux/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml (revision 981368e1440b76f68b1ac8f5fb14e739f80ecc4e) 
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 bindings described in
21  Documentation/devicetree/bindings/mfd/syscon.yaml
22
23properties:
24  compatible:
25    const: aspeed,ast2500-pinctrl
26  reg:
27    maxItems: 2
28
29  aspeed,external-nodes:
30    minItems: 2
31    maxItems: 2
32    items:
33      maxItems: 1
34    $ref: /schemas/types.yaml#/definitions/phandle-array
35    description: |
36      A cell of phandles to external controller nodes:
37      0: compatible with "aspeed,ast2500-gfx", "syscon"
38      1: compatible with "aspeed,ast2500-lhc", "syscon"
39
40additionalProperties:
41  $ref: pinmux-node.yaml#
42  additionalProperties: false
43
44  properties:
45    pins: true
46    bias-disable: true
47
48  patternProperties:
49    "^function|groups$":
50      enum: [ ACPI, ADC0, ADC1, ADC10, ADC11, ADC12, ADC13, ADC14, ADC15,
51              ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, DDCCLK, DDCDAT,
52              ESPI, FWSPICS1, FWSPICS2, GPID0, GPID2, GPID4, GPID6, GPIE0, GPIE2,
53              GPIE4, GPIE6, I2C10, I2C11, I2C12, I2C13, I2C14, I2C3, I2C4, I2C5,
54              I2C6, I2C7, I2C8, I2C9, LAD0, LAD1, LAD2, LAD3, LCLK, LFRAME, LPCHC,
55              LPCPD, LPCPLUS, LPCPME, LPCRST, LPCSMI, LSIRQ, MAC1LINK, MAC2LINK,
56              MDIO1, MDIO2, NCTS1, NCTS2, NCTS3, NCTS4, NDCD1, NDCD2, NDCD3, NDCD4,
57              NDSR1, NDSR2, NDSR3, NDSR4, NDTR1, NDTR2, NDTR3, NDTR4, NRI1, NRI2,
58              NRI3, NRI4, NRTS1, NRTS2, NRTS3, NRTS4, OSCCLK, PEWAKE, PNOR, PWM0,
59              PWM1, PWM2, PWM3, PWM4, PWM5, PWM6, PWM7, RGMII1, RGMII2, RMII1,
60              RMII2, RXD1, RXD2, RXD3, RXD4, SALT1, SALT10, SALT11, SALT12, SALT13,
61              SALT14, SALT2, SALT3, SALT4, SALT5, SALT6, SALT7, SALT8, SALT9, SCL1,
62              SCL2, SD1, SD2, SDA1, SDA2, SGPS1, SGPS2, SIOONCTRL, SIOPBI, SIOPBO,
63              SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1, SPI1CS1, SPI1DEBUG,
64              SPI1PASSTHRU, SPI2CK, SPI2CS0, SPI2CS1, SPI2MISO, SPI2MOSI, TIMER3,
65              TIMER4, TIMER5, TIMER6, TIMER7, TIMER8, TXD1, TXD2, TXD3, TXD4, UART6,
66              USB11BHID, USB2AD, USB2AH, USB2BD, USB2BH, USBCKI, VGABIOSROM, VGAHS,
67              VGAVS, VPI24, VPO, WDTRST1, WDTRST2]
68
69allOf:
70  - $ref: pinctrl.yaml#
71
72required:
73  - compatible
74  - aspeed,external-nodes
75
76examples:
77  - |
78    #include <dt-bindings/clock/aspeed-clock.h>
79    scu@1e6e2000 {
80        compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd";
81        reg = <0x1e6e2000 0x1a8>;
82        #clock-cells = <1>;
83        #reset-cells = <1>;
84
85        #address-cells = <1>;
86        #size-cells = <1>;
87        ranges = <0x0 0x1e6e2000 0x1000>;
88
89        pinctrl: pinctrl {
90            compatible = "aspeed,ast2500-pinctrl";
91            aspeed,external-nodes = <&gfx>, <&lhc>;
92
93            pinctrl_i2c3_default: i2c3_default {
94                function = "I2C3";
95                groups = "I2C3";
96            };
97
98            pinctrl_gpioh0_unbiased_default: gpioh0 {
99                pins = "A18";
100                bias-disable;
101            };
102        };
103    };
104