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+# SPDX-License-Identifier: GPL-2.0-or-later
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2400-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED AST2400 Pin Controller
+
+maintainers:
+ - Andrew Jeffery <andrew@aj.id.au>
+
+description: |+
+ The pin controller node should be the child of a syscon node with the
+ required property:
+
+ - compatible: Should be one of the following:
+ "aspeed,ast2400-scu", "syscon", "simple-mfd"
+ "aspeed,g4-scu", "syscon", "simple-mfd"
+
+ Refer to the the bindings described in
+ Documentation/devicetree/bindings/mfd/syscon.txt
+
+properties:
+ compatible:
+ enum: [ aspeed,ast2400-pinctrl, aspeed,g4-pinctrl ]
+
+patternProperties:
+ '^.*$':
+ if:
+ type: object
+ then:
+ patternProperties:
+ "^function|groups$":
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/string"
+ - enum: [ "ACPI", "ADC0", "ADC1", "ADC10", "ADC11", "ADC12", "ADC13",
+ "ADC14", "ADC15", "ADC2", "ADC3", "ADC4", "ADC5", "ADC6", "ADC7",
+ "ADC8", "ADC9", "BMCINT", "DDCCLK", "DDCDAT", "EXTRST", "FLACK",
+ "FLBUSY", "FLWP", "GPID", "GPID0", "GPID2", "GPID4", "GPID6",
+ "GPIE0", "GPIE2", "GPIE4", "GPIE6", "I2C10", "I2C11", "I2C12",
+ "I2C13", "I2C14", "I2C3", "I2C4", "I2C5", "I2C6", "I2C7", "I2C8",
+ "I2C9", "LPCPD", "LPCPME", "LPCRST", "LPCSMI", "MAC1LINK",
+ "MAC2LINK", "MDIO1", "MDIO2", "NCTS1", "NCTS2", "NCTS3", "NCTS4",
+ "NDCD1", "NDCD2", "NDCD3", "NDCD4", "NDSR1", "NDSR2", "NDSR3",
+ "NDSR4", "NDTR1", "NDTR2", "NDTR3", "NDTR4", "NDTS4", "NRI1",
+ "NRI2", "NRI3", "NRI4", "NRTS1", "NRTS2", "NRTS3", "OSCCLK",
+ "PWM0", "PWM1", "PWM2", "PWM3", "PWM4", "PWM5", "PWM6", "PWM7",
+ "RGMII1", "RGMII2", "RMII1", "RMII2", "ROM16", "ROM8", "ROMCS1",
+ "ROMCS2", "ROMCS3", "ROMCS4", "RXD1", "RXD2", "RXD3", "RXD4",
+ "SALT1", "SALT2", "SALT3", "SALT4", "SD1", "SD2", "SGPMCK",
+ "SGPMI", "SGPMLD", "SGPMO", "SGPSCK", "SGPSI0", "SGPSI1", "SGPSLD",
+ "SIOONCTRL", "SIOPBI", "SIOPBO", "SIOPWREQ", "SIOPWRGD", "SIOS3",
+ "SIOS5", "SIOSCI", "SPI1", "SPI1DEBUG", "SPI1PASSTHRU", "SPICS1",
+ "TIMER3", "TIMER4", "TIMER5", "TIMER6", "TIMER7", "TIMER8", "TXD1",
+ "TXD2", "TXD3", "TXD4", "UART6", "USB11D1", "USB11H2", "USB2D1",
+ "USB2H1", "USBCKI", "VGABIOS_ROM", "VGAHS", "VGAVS", "VPI18",
+ "VPI24", "VPI30", "VPO12", "VPO24", "WDTRST1", "WDTRST2" ]
+
+required:
+ - compatible
+
+examples:
+ - |
+ syscon: scu@1e6e2000 {
+ compatible = "aspeed,ast2400-scu", "syscon", "simple-mfd";
+ reg = <0x1e6e2000 0x1a8>;
+
+ pinctrl: pinctrl {
+ compatible = "aspeed,g4-pinctrl";
+
+ pinctrl_i2c3_default: i2c3_default {
+ function = "I2C3";
+ groups = "I2C3";
+ };
+
+ pinctrl_gpioh0_unbiased_default: gpioh0 {
+ pins = "A8";
+ bias-disable;
+ };
+ };
+ };