dt-bindings: pinctrl: aspeed: Convert AST2500 bindings to json-schema
Convert ASPEED pinctrl bindings to DT schema format using json-schema. Cc: Johnny Huang <johnny_huang@aspeedtech.com> Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Link: https://lore.kernel.org/r/20190628023838.15426-4-andrew@aj.id.au Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Andrew Jeffery
Linus Walleij
parent
07457937bb
commit
0a617de167
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=============================
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Aspeed AST2500 Pin Controller
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=============================
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Required properties for g5:
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- compatible : Should be one of the following:
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"aspeed,ast2500-pinctrl"
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"aspeed,g5-pinctrl"
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- aspeed,external-nodes: A cell of phandles to external controller nodes:
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0: compatible with "aspeed,ast2500-gfx", "syscon"
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1: compatible with "aspeed,ast2500-lhc", "syscon"
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The pin controller node should be the child of a syscon node with the required
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property:
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- compatible : Should be one of the following:
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"aspeed,ast2500-scu", "syscon", "simple-mfd"
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"aspeed,g5-scu", "syscon", "simple-mfd"
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Refer to the the bindings described in
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Documentation/devicetree/bindings/mfd/syscon.txt
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Subnode Format
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==============
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The required properties of pinmux child nodes are:
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- function: the mux function to select
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- groups : the list of groups to select with this function
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Required properties of pinconf child nodes are:
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- groups: A list of groups to select (either this or "pins" must be
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specified)
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- pins : A list of ball names as strings, eg "D14" (either this or "groups"
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must be specified)
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Optional properties of pinconf child nodes are:
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- bias-disable : disable any pin bias
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- bias-pull-down: pull down the pin
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- drive-strength: sink or source at most X mA
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Definitions are as specified in
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Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt, with any
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further limitations as described above.
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For pinmux, each mux function has only one associated pin group. Each group is
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named by its function. The following values for the function and groups
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properties are supported:
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ACPI ADC0 ADC1 ADC10 ADC11 ADC12 ADC13 ADC14 ADC15 ADC2 ADC3 ADC4 ADC5 ADC6
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ADC7 ADC8 ADC9 BMCINT DDCCLK DDCDAT ESPI FWSPICS1 FWSPICS2 GPID0 GPID2 GPID4
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GPID6 GPIE0 GPIE2 GPIE4 GPIE6 I2C10 I2C11 I2C12 I2C13 I2C14 I2C3 I2C4 I2C5 I2C6
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I2C7 I2C8 I2C9 LAD0 LAD1 LAD2 LAD3 LCLK LFRAME LPCHC LPCPD LPCPLUS LPCPME
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LPCRST LPCSMI LSIRQ MAC1LINK MAC2LINK MDIO1 MDIO2 NCTS1 NCTS2 NCTS3 NCTS4 NDCD1
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NDCD2 NDCD3 NDCD4 NDSR1 NDSR2 NDSR3 NDSR4 NDTR1 NDTR2 NDTR3 NDTR4 NRI1 NRI2
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NRI3 NRI4 NRTS1 NRTS2 NRTS3 NRTS4 OSCCLK PEWAKE PNOR PWM0 PWM1 PWM2 PWM3 PWM4
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PWM5 PWM6 PWM7 RGMII1 RGMII2 RMII1 RMII2 RXD1 RXD2 RXD3 RXD4 SALT1 SALT10
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SALT11 SALT12 SALT13 SALT14 SALT2 SALT3 SALT4 SALT5 SALT6 SALT7 SALT8 SALT9
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SCL1 SCL2 SD1 SD2 SDA1 SDA2 SGPM SGPS1 SGPS2 SIOONCTRL SIOPBI SIOPBO SIOPWREQ
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SIOPWRGD SIOS3 SIOS5 SIOSCI SPI1 SPI1CS1 SPI1DEBUG SPI1PASSTHRU SPI2CK SPI2CS0
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SPI2CS1 SPI2MISO SPI2MOSI TIMER3 TIMER4 TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2
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TXD3 TXD4 UART6 USB11BHID USB2AD USB2AH USB2BD USB2BH USBCKI VGABIOSROM VGAHS
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VGAVS VPI24 VPO WDTRST1 WDTRST2
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Example
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=======
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ahb {
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apb {
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syscon: scu@1e6e2000 {
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compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd";
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reg = <0x1e6e2000 0x1a8>;
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pinctrl: pinctrl {
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compatible = "aspeed,g5-pinctrl";
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aspeed,external-nodes = <&gfx &lhc>;
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pinctrl_i2c3_default: i2c3_default {
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function = "I2C3";
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groups = "I2C3";
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};
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pinctrl_gpioh0_unbiased_default: gpioh0 {
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pins = "A18";
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bias-disable;
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};
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};
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};
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gfx: display@1e6e6000 {
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compatible = "aspeed,ast2500-gfx", "syscon";
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reg = <0x1e6e6000 0x1000>;
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};
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};
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lpc: lpc@1e789000 {
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compatible = "aspeed,ast2500-lpc", "simple-mfd";
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reg = <0x1e789000 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x1e789000 0x1000>;
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lpc_host: lpc-host@80 {
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compatible = "aspeed,ast2500-lpc-host", "simple-mfd", "syscon";
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reg = <0x80 0x1e0>;
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reg-io-width = <4>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x80 0x1e0>;
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lhc: lhc@20 {
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compatible = "aspeed,ast2500-lhc";
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reg = <0x20 0x24 0x48 0x8>;
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};
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};
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};
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};
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@ -0,0 +1,134 @@
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# SPDX-License-Identifier: GPL-2.0-or-later
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2500-pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ASPEED AST2500 Pin Controller
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maintainers:
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- Andrew Jeffery <andrew@aj.id.au>
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description: |+
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The pin controller node should be the child of a syscon node with the
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required property:
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- compatible: Should be one of the following:
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"aspeed,ast2500-scu", "syscon", "simple-mfd"
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"aspeed,g5-scu", "syscon", "simple-mfd"
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Refer to the the bindings described in
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Documentation/devicetree/bindings/mfd/syscon.txt
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properties:
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compatible:
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enum: [ aspeed,ast2500-pinctrl, aspeed,g5-pinctrl ]
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aspeed,external-nodes:
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minItems: 2
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maxItems: 2
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allOf:
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- $ref: /schemas/types.yaml#/definitions/phandle-array
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description: |
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A cell of phandles to external controller nodes:
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0: compatible with "aspeed,ast2500-gfx", "syscon"
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1: compatible with "aspeed,ast2500-lhc", "syscon"
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patternProperties:
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'^.*$':
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if:
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type: object
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then:
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patternProperties:
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"^function|groups$":
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allOf:
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- $ref: "/schemas/types.yaml#/definitions/string"
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- enum: [ "ACPI", "ADC0", "ADC1", "ADC10", "ADC11", "ADC12", "ADC13",
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"ADC14", "ADC15", "ADC2", "ADC3", "ADC4", "ADC5", "ADC6", "ADC7",
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"ADC8", "ADC9", "BMCINT", "DDCCLK", "DDCDAT", "ESPI", "FWSPICS1",
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"FWSPICS2", "GPID0", "GPID2", "GPID4", "GPID6", "GPIE0", "GPIE2",
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"GPIE4", "GPIE6", "I2C10", "I2C11", "I2C12", "I2C13", "I2C14",
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"I2C3", "I2C4", "I2C5", "I2C6", "I2C7", "I2C8", "I2C9", "LAD0",
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"LAD1", "LAD2", "LAD3", "LCLK", "LFRAME", "LPCHC", "LPCPD",
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"LPCPLUS", "LPCPME", "LPCRST", "LPCSMI", "LSIRQ", "MAC1LINK",
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"MAC2LINK", "MDIO1", "MDIO2", "NCTS1", "NCTS2", "NCTS3", "NCTS4",
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"NDCD1", "NDCD2", "NDCD3", "NDCD4", "NDSR1", "NDSR2", "NDSR3",
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"NDSR4", "NDTR1", "NDTR2", "NDTR3", "NDTR4", "NRI1", "NRI2",
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"NRI3", "NRI4", "NRTS1", "NRTS2", "NRTS3", "NRTS4", "OSCCLK",
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"PEWAKE", "PNOR", "PWM0", "PWM1", "PWM2", "PWM3", "PWM4", "PWM5",
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"PWM6", "PWM7", "RGMII1", "RGMII2", "RMII1", "RMII2", "RXD1",
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"RXD2", "RXD3", "RXD4", "SALT1", "SALT10", "SALT11", "SALT12",
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"SALT13", "SALT14", "SALT2", "SALT3", "SALT4", "SALT5", "SALT6",
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"SALT7", "SALT8", "SALT9", "SCL1", "SCL2", "SD1", "SD2", "SDA1",
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"SDA2", "SGPS1", "SGPS2", "SIOONCTRL", "SIOPBI", "SIOPBO",
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"SIOPWREQ", "SIOPWRGD", "SIOS3", "SIOS5", "SIOSCI", "SPI1",
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"SPI1CS1", "SPI1DEBUG", "SPI1PASSTHRU", "SPI2CK", "SPI2CS0",
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"SPI2CS1", "SPI2MISO", "SPI2MOSI", "TIMER3", "TIMER4", "TIMER5",
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"TIMER6", "TIMER7", "TIMER8", "TXD1", "TXD2", "TXD3", "TXD4",
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"UART6", "USB11BHID", "USB2AD", "USB2AH", "USB2BD", "USB2BH",
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"USBCKI", "VGABIOSROM", "VGAHS", "VGAVS", "VPI24", "VPO",
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"WDTRST1", "WDTRST2", ]
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required:
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- compatible
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- aspeed,external-nodes
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examples:
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- |
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compatible = "simple-bus";
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ranges;
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apb {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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syscon: scu@1e6e2000 {
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compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd";
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reg = <0x1e6e2000 0x1a8>;
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pinctrl: pinctrl {
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compatible = "aspeed,g5-pinctrl";
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aspeed,external-nodes = <&gfx &lhc>;
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pinctrl_i2c3_default: i2c3_default {
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function = "I2C3";
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groups = "I2C3";
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};
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pinctrl_gpioh0_unbiased_default: gpioh0 {
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pins = "A18";
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bias-disable;
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};
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};
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};
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gfx: display@1e6e6000 {
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compatible = "aspeed,ast2500-gfx", "syscon";
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reg = <0x1e6e6000 0x1000>;
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};
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};
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lpc: lpc@1e789000 {
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compatible = "aspeed,ast2500-lpc", "simple-mfd";
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reg = <0x1e789000 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x1e789000 0x1000>;
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lpc_host: lpc-host@80 {
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compatible = "aspeed,ast2500-lpc-host", "simple-mfd", "syscon";
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reg = <0x80 0x1e0>;
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reg-io-width = <4>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x80 0x1e0>;
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lhc: lhc@20 {
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compatible = "aspeed,ast2500-lhc";
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reg = <0x20 0x24 0x48 0x8>;
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};
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};
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};
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