1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/intel,lgm-io.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Intel Lightning Mountain SoC pinmux & GPIO controller binding 8 9maintainers: 10 - Rahul Tanwar <rahul.tanwar@linux.intel.com> 11 12description: | 13 Pinmux & GPIO controller controls pin multiplexing & configuration including 14 GPIO function selection & GPIO attributes configuration. 15 16properties: 17 compatible: 18 const: intel,lgm-io 19 20 reg: 21 maxItems: 1 22 23# Client device subnode's properties 24patternProperties: 25 '-pins$': 26 type: object 27 description: 28 Pinctrl node's client devices use subnodes for desired pin configuration. 29 Client device subnodes use below standard properties. 30 $ref: pinmux-node.yaml# 31 32 properties: 33 function: true 34 groups: true 35 pins: true 36 pinmux: true 37 bias-pull-up: true 38 bias-pull-down: true 39 drive-strength: true 40 slew-rate: true 41 drive-open-drain: true 42 output-enable: true 43 44 required: 45 - function 46 - groups 47 48 additionalProperties: false 49 50required: 51 - compatible 52 - reg 53 54additionalProperties: false 55 56examples: 57 # Pinmux controller node 58 - | 59 pinctrl: pinctrl@e2880000 { 60 compatible = "intel,lgm-io"; 61 reg = <0xe2880000 0x100000>; 62 63 uart0-pins { 64 pins = <64>, /* UART_RX0 */ 65 <65>; /* UART_TX0 */ 66 function = "CONSOLE_UART0"; 67 pinmux = <1>, 68 <1>; 69 groups = "CONSOLE_UART0"; 70 }; 71 }; 72 73... 74