dt-bindings: pinctrl: Add aspeed,ast2700-soc1-pinctrl

SoC1 in the AST2700 integrates its own pin controller responsible for
pin multiplexing and pin configuration.

The controller manages various peripheral functions such as eSPI, LPC,
VPI, SD, UART, I2C, I3C, PWM and others through SCU registers.

The binding reuses the standard pinmux and generic pin configuration
schemas and does not introduce custom Devicetree properties.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
This commit is contained in:
Billy Tsai 2026-05-21 17:17:45 +08:00 committed by Linus Walleij
parent ac536de6d4
commit ae20d41bc2

View File

@ -0,0 +1,760 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2700-soc1-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: ASPEED AST2700 SoC1 Pin Controller
maintainers:
- Billy Tsai <billy_tsai@aspeedtech.com>
description:
The AST2700 features a dual-SoC architecture with two interconnected SoCs,
each having its own System Control Unit (SCU) for independent pin control.
This pin controller manages the pin multiplexing for SoC1.
The SoC1 pin controller manages pin functions including eSPI, LPC and I2C,
among others.
properties:
compatible:
const: aspeed,ast2700-soc1-pinctrl
reg:
maxItems: 1
patternProperties:
'-state$':
description: |
Pin control state.
If `function` is present, the node describes a pinmux state and must
specify `groups`.
For pin configuration, exactly one of `groups` or `pins` must be
specified in each state node. Group-level configuration applies to all
pins in the group. Pin-level configuration may be supplied in a
separate state node for individual pins; when both group-level and
pin-level configuration apply to the same pin, the pin-level
configuration takes precedence.
type: object
allOf:
- $ref: pinmux-node.yaml#
- $ref: pincfg-node.yaml#
- if:
required:
- function
then:
required:
- groups
- oneOf:
- required:
- groups
- required:
- pins
additionalProperties: false
properties:
function:
enum:
- ADC0
- ADC1
- ADC10
- ADC11
- ADC12
- ADC13
- ADC14
- ADC15
- ADC2
- ADC3
- ADC4
- ADC5
- ADC6
- ADC7
- ADC8
- ADC9
- AUXPWRGOOD0
- AUXPWRGOOD1
- CANBUS
- ESPI0
- ESPI1
- FSI0
- FSI1
- FSI2
- FSI3
- FWQSPI
- FWSPIABR
- FWWPN
- HBLED
- I2C0
- I2C1
- I2C10
- I2C11
- I2C12
- I2C13
- I2C14
- I2C15
- I2C2
- I2C3
- I2C4
- I2C5
- I2C6
- I2C7
- I2C8
- I2C9
- I2CF0
- I2CF1
- I2CF2
- I3C0
- I3C1
- I3C10
- I3C11
- I3C12
- I3C13
- I3C14
- I3C15
- I3C2
- I3C3
- I3C4
- I3C5
- I3C6
- I3C7
- I3C8
- I3C9
- JTAGM1
- LPC0
- LPC1
- LTPI
- MACLINK0
- MACLINK1
- MACLINK2
- MDIO0
- MDIO1
- MDIO2
- NCTS0
- NCTS1
- NCTS5
- NCTS6
- NDCD0
- NDCD1
- NDCD5
- NDCD6
- NDSR0
- NDSR1
- NDSR5
- NDSR6
- NDTR0
- NDTR1
- NDTR5
- NDTR6
- NRI0
- NRI1
- NRI5
- NRI6
- NRTS0
- NRTS1
- NRTS5
- NRTS6
- OSCCLK
- PCIERC
- PWM0
- PWM1
- PWM10
- PWM11
- PWM12
- PWM13
- PWM14
- PWM15
- PWM2
- PWM3
- PWM4
- PWM5
- PWM6
- PWM7
- PWM8
- PWM9
- QSPI0
- QSPI1
- QSPI2
- RGMII0
- RGMII1
- RMII0
- RMII0RCLKO
- RMII1
- RMII1RCLKO
- SALT0
- SALT1
- SALT10
- SALT11
- SALT12
- SALT13
- SALT14
- SALT15
- SALT2
- SALT3
- SALT4
- SALT5
- SALT6
- SALT7
- SALT8
- SALT9
- SD
- SGMII
- SGPM0
- SGPM1
- SGPS
- SIOONCTRLN0
- SIOONCTRLN1
- SIOPBIN0
- SIOPBIN1
- SIOPBON0
- SIOPBON1
- SIOPWREQN0
- SIOPWREQN1
- SIOPWRGD1
- SIOS3N0
- SIOS3N1
- SIOS5N0
- SIOS5N1
- SIOSCIN0
- SIOSCIN1
- SMON0
- SMON1
- SPI0
- SPI0ABR
- SPI0CS1
- SPI0WPN
- SPI1
- SPI1ABR
- SPI1CS1
- SPI1WPN
- SPI2
- SPI2CS1
- TACH0
- TACH1
- TACH10
- TACH11
- TACH12
- TACH13
- TACH14
- TACH15
- TACH2
- TACH3
- TACH4
- TACH5
- TACH6
- TACH7
- TACH8
- TACH9
- THRU0
- THRU1
- THRU2
- THRU3
- UART0
- UART1
- UART10
- UART11
- UART2
- UART3
- UART5
- UART6
- UART7
- UART8
- UART9
- USB2C
- USB2D
- USBUART
- VGA
- VPI
- WDTRST0N
- WDTRST1N
- WDTRST2N
- WDTRST3N
- WDTRST4N
- WDTRST5N
- WDTRST6N
- WDTRST7N
groups:
enum:
- ADC0
- ADC1
- ADC10
- ADC11
- ADC12
- ADC13
- ADC14
- ADC15
- ADC2
- ADC3
- ADC4
- ADC5
- ADC6
- ADC7
- ADC8
- ADC9
- AUXPWRGOOD0
- AUXPWRGOOD1
- CANBUS
- DI2C0
- DI2C1
- DI2C10
- DI2C11
- DI2C12
- DI2C13
- DI2C14
- DI2C15
- DI2C2
- DI2C3
- DI2C8
- DI2C9
- DSGPM0
- ESPI0
- ESPI1
- FSI0
- FSI1
- FSI2
- FSI3
- FWQSPI
- FWSPIABR
- FWWPN
- HBLED
- HVI3C0
- HVI3C1
- HVI3C12
- HVI3C13
- HVI3C14
- HVI3C15
- HVI3C2
- HVI3C3
- I2C0
- I2C1
- I2C10
- I2C11
- I2C12
- I2C13
- I2C14
- I2C15
- I2C2
- I2C3
- I2C4
- I2C5
- I2C6
- I2C7
- I2C8
- I2C9
- I2CF0
- I2CF1
- I2CF2
- I3C10
- I3C11
- I3C4
- I3C5
- I3C6
- I3C7
- I3C8
- I3C9
- JTAGM1
- LPC0
- LPC1
- LTPI
- LTPI_PS_I2C0
- LTPI_PS_I2C1
- LTPI_PS_I2C2
- LTPI_PS_I2C3
- MACLINK0
- MACLINK1
- MACLINK2
- MDIO0
- MDIO1
- MDIO2
- NCTS0
- NCTS1
- NCTS5
- NCTS6
- NDCD0
- NDCD1
- NDCD5
- NDCD6
- NDSR0
- NDSR1
- NDSR5
- NDSR6
- NDTR0
- NDTR1
- NDTR5
- NDTR6
- NRI0
- NRI1
- NRI5
- NRI6
- NRTS0
- NRTS1
- NRTS5
- NRTS6
- OSCCLK
- PE2SGRSTN
- PWM0
- PWM1
- PWM10
- PWM11
- PWM12
- PWM13
- PWM14
- PWM15
- PWM2
- PWM3
- PWM4
- PWM5
- PWM6
- PWM7
- PWM8
- PWM9
- QSPI0
- QSPI1
- QSPI2
- RGMII0
- RGMII1
- RMII0
- RMII0RCLKO
- RMII1
- RMII1RCLKO
- SALT0
- SALT1
- SALT10
- SALT11
- SALT12
- SALT13
- SALT14
- SALT15
- SALT2
- SALT3
- SALT4
- SALT5
- SALT6
- SALT7
- SALT8
- SALT9
- SD
- SGMII
- SGPM0
- SGPM1
- SGPS
- SIOONCTRLN0
- SIOONCTRLN1
- SIOPBIN0
- SIOPBIN1
- SIOPBON0
- SIOPBON1
- SIOPWREQN0
- SIOPWREQN1
- SIOPWRGD1
- SIOS3N0
- SIOS3N1
- SIOS5N0
- SIOS5N1
- SIOSCIN0
- SIOSCIN1
- SMON0
- SMON1
- SPI0
- SPI0ABR
- SPI0CS1
- SPI0WPN
- SPI1
- SPI1ABR
- SPI1CS1
- SPI1WPN
- SPI2
- SPI2CS1
- TACH0
- TACH1
- TACH10
- TACH11
- TACH12
- TACH13
- TACH14
- TACH15
- TACH2
- TACH3
- TACH4
- TACH5
- TACH6
- TACH7
- TACH8
- TACH9
- THRU0
- THRU1
- THRU2
- THRU3
- UART0
- UART1
- UART10
- UART11
- UART2
- UART3
- UART5
- UART6
- UART7
- UART8
- UART9
- USB2CD
- USB2CH
- USB2CU
- USB2CUD
- USB2DD
- USB2DH
- USBUART
- VGA
- VPI
- WDTRST0N
- WDTRST1N
- WDTRST2N
- WDTRST3N
- WDTRST4N
- WDTRST5N
- WDTRST6N
- WDTRST7N
pins:
enum:
- A14
- A15
- A18
- A19
- A21
- A22
- A23
- A24
- A25
- A26
- A6
- A7
- A8
- AA12
- AA13
- AA14
- AA15
- AA16
- AA17
- AA18
- AA20
- AA21
- AA22
- AA23
- AA24
- AA25
- AA26
- AB15
- AB16
- AB17
- AB18
- AB19
- AB20
- AB21
- AB22
- AB23
- AB24
- AB25
- AB26
- AC15
- AC16
- AC17
- AC18
- AC19
- AC20
- AC22
- AC24
- AC25
- AC26
- AD15
- AD16
- AD17
- AD18
- AD19
- AD20
- AD22
- AD25
- AD26
- AE16
- AE17
- AE18
- AE19
- AE20
- AE21
- AE23
- AE25
- AE26
- AF16
- AF17
- AF18
- AF19
- AF20
- AF21
- AF23
- AF25
- AF26
- B10
- B11
- B12
- B13
- B14
- B15
- B16
- B18
- B19
- B21
- B22
- B23
- B24
- B25
- B26
- B6
- B7
- B8
- B9
- C10
- C11
- C12
- C13
- C14
- C15
- C16
- C17
- C18
- C19
- C20
- C23
- C26
- C6
- C7
- C8
- C9
- D10
- D12
- D14
- D15
- D19
- D20
- D24
- D26
- D7
- D8
- D9
- E10
- E11
- E12
- E13
- E14
- E26
- E7
- E8
- E9
- F10
- F11
- F12
- F13
- F14
- F26
- F7
- F8
- F9
- G10
- G11
- G7
- G8
- G9
- H10
- H11
- H7
- H8
- H9
- J10
- J11
- J12
- J13
- J9
- K12
- K13
- L12
- M13
- M14
- M15
- M16
- N13
- N14
- N15
- N25
- N26
- P13
- P14
- P25
- P26
- R14
- R25
- R26
- T23
- T24
- U21
- U22
- U25
- U26
- V14
- V16
- V17
- V18
- V19
- V20
- V21
- V22
- V23
- V24
- W14
- W16
- W17
- W18
- W20
- W21
- W22
- W25
- W26
- Y11
- Y15
- Y16
- Y17
- Y18
- Y20
- Y21
- Y22
- Y23
- Y24
- Y25
- Y26
drive-strength:
enum: [4, 8, 12, 16]
bias-disable: true
bias-pull-up: true
bias-pull-down: true
required:
- compatible
- reg
allOf:
- $ref: pinctrl.yaml#
additionalProperties: false
examples:
- |
pinctrl@400 {
compatible = "aspeed,ast2700-soc1-pinctrl";
reg = <0x400 0x2A0>;
sgpm0-state {
function = "SGPM0";
groups = "SGPM0";
};
};