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