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- Aspeed Pin Controllers
- ----------------------
- The Aspeed SoCs vary in functionality inside a generation but have a common mux
- device register layout.
- Required properties:
- - compatible : Should be any one of the following:
- "aspeed,ast2400-pinctrl"
- "aspeed,g4-pinctrl"
- "aspeed,ast2500-pinctrl"
- "aspeed,g5-pinctrl"
- The pin controller node should be a child of a syscon node with the required
- property:
- - compatible: "syscon", "simple-mfd"
- Refer to the the bindings described in
- Documentation/devicetree/bindings/mfd/syscon.txt
- Subnode Format
- --------------
- The required properties of child nodes are (as defined in pinctrl-bindings):
- - function
- - groups
- Each function has only one associated pin group. Each group is named by its
- function. The following values for the function and groups properties are
- supported:
- aspeed,ast2400-pinctrl, aspeed,g4-pinctrl:
- ACPI BMCINT DDCCLK DDCDAT FLACK FLBUSY FLWP GPID0 GPIE0 GPIE2 GPIE4 GPIE6 I2C10
- I2C11 I2C12 I2C13 I2C3 I2C4 I2C5 I2C6 I2C7 I2C8 I2C9 LPCPD LPCPME LPCSMI MDIO1
- MDIO2 NCTS1 NCTS3 NCTS4 NDCD1 NDCD3 NDCD4 NDSR1 NDSR3 NDTR1 NDTR3 NRI1 NRI3
- NRI4 NRTS1 NRTS3 PWM0 PWM1 PWM2 PWM3 PWM4 PWM5 PWM6 PWM7 RGMII1 RMII1 ROM16
- ROM8 ROMCS1 ROMCS2 ROMCS3 ROMCS4 RXD1 RXD3 RXD4 SD1 SGPMI SIOPBI SIOPBO TIMER3
- TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD3 TXD4 UART6 VGAHS VGAVS VPI18 VPI24 VPI30
- VPO12 VPO24
- aspeed,ast2500-pinctrl, aspeed,g5-pinctrl:
- GPID0 GPID2 GPIE0 I2C10 I2C11 I2C12 I2C13 I2C14 I2C3 I2C4 I2C5 I2C6 I2C7 I2C8
- I2C9 MAC1LINK MDIO1 MDIO2 OSCCLK PEWAKE PWM0 PWM1 PWM2 PWM3 PWM4 PWM5 PWM6 PWM7
- RGMII1 RGMII2 RMII1 RMII2 SD1 SPI1 SPI1DEBUG SPI1PASSTHRU TIMER4 TIMER5 TIMER6
- TIMER7 TIMER8 VGABIOSROM
- Examples:
- syscon: scu@1e6e2000 {
- compatible = "syscon", "simple-mfd";
- reg = <0x1e6e2000 0x1a8>;
- pinctrl: pinctrl {
- compatible = "aspeed,g4-pinctrl";
- pinctrl_i2c3_default: i2c3_default {
- function = "I2C3";
- groups = "I2C3";
- };
- };
- };
- Please refer to pinctrl-bindings.txt in this directory for details of the
- common pinctrl bindings used by client devices.
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