Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Intel Lightning Mountain SoC pinmux & GPIO controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Rahul Tanwar <rahul.tanwar@linux.intel.com> |
| 11 | |
| 12 | description: | |
| 13 | Pinmux & GPIO controller controls pin multiplexing & configuration including |
| 14 | GPIO function selection & GPIO attributes configuration. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: intel,lgm-io |
| 19 | |
| 20 | reg: |
| 21 | maxItems: 1 |
| 22 | |
| 23 | # Client device subnode's properties |
| 24 | patternProperties: |
| 25 | '-pins$': |
| 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 | |
| 50 | allOf: |
| 51 | - $ref: pinctrl.yaml# |
| 52 | |
| 53 | required: |
| 54 | - compatible |
| 55 | - reg |
| 56 | |
| 57 | additionalProperties: false |
| 58 | |
| 59 | examples: |
| 60 | # Pinmux controller node |
| 61 | - | |
| 62 | pinctrl: pinctrl@e2880000 { |
| 63 | compatible = "intel,lgm-io"; |
| 64 | reg = <0xe2880000 0x100000>; |
| 65 | |
| 66 | uart0-pins { |
| 67 | pins = <64>, /* UART_RX0 */ |
| 68 | <65>; /* UART_TX0 */ |
| 69 | function = "CONSOLE_UART0"; |
| 70 | pinmux = <1>, |
| 71 | <1>; |
| 72 | groups = "CONSOLE_UART0"; |
| 73 | }; |
| 74 | }; |
| 75 | |
| 76 | ... |