Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml

   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
   7 title: ASPEED AST2500 Pin Controller
   8
   9 maintainers:
  10   - Andrew Jeffery <andrew@aj.id.au>
  11
  12 description: |+
  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
  23 properties:
  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     $ref: /schemas/types.yaml#/definitions/phandle-array
  33     description: |
  34       A cell of phandles to external controller nodes:
  35       0: compatible with "aspeed,ast2500-gfx", "syscon"
  36       1: compatible with "aspeed,ast2500-lhc", "syscon"
  37
  38 patternProperties:
  39   '^.*$':
  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
  65 required:
  66   - compatible
  67   - aspeed,external-nodes
  68
  69 additionalProperties: false
  70
  71 examples:
  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     };