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