projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| bc3aca53 GS |
1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 | |
| 3 | --- | |
| 4 | $id: http://devicetree.org/schemas/gpio/ti,omap-gpio.yaml# | |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| 6 | ||
| 84e85359 | 7 | title: OMAP GPIO controller |
| bc3aca53 GS |
8 | |
| 9 | maintainers: | |
| 10 | - Grygorii Strashko <grygorii.strashko@ti.com> | |
| 11 | ||
| 12 | description: | | |
| 13 | The general-purpose interface combines general-purpose input/output (GPIO) banks. | |
| 14 | Each GPIO banks provides up to 32 dedicated general-purpose pins with input | |
| 15 | and output capabilities; interrupt generation in active mode and wake-up | |
| 16 | request generation in idle mode upon the detection of external events. | |
| 17 | ||
| 18 | properties: | |
| 19 | compatible: | |
| 20 | oneOf: | |
| 21 | - enum: | |
| 22 | - ti,omap2-gpio | |
| 23 | - ti,omap3-gpio | |
| 24 | - ti,omap4-gpio | |
| 25 | - items: | |
| 26 | - const: ti,am4372-gpio | |
| 27 | - const: ti,omap4-gpio | |
| 28 | ||
| 29 | reg: | |
| 30 | maxItems: 1 | |
| 31 | ||
| 32 | gpio-controller: true | |
| 33 | ||
| 34 | '#gpio-cells': | |
| 35 | const: 2 | |
| 36 | ||
| 37 | interrupt-controller: true | |
| 38 | ||
| 39 | '#interrupt-cells': | |
| 40 | const: 2 | |
| 41 | ||
| 42 | interrupts: | |
| 43 | maxItems: 1 | |
| 44 | ||
| 45 | gpio-ranges: true | |
| 46 | ||
| 47 | gpio-line-names: | |
| 48 | minItems: 1 | |
| 49 | maxItems: 32 | |
| 50 | ||
| 51 | ti,gpio-always-on: | |
| 52 | $ref: /schemas/types.yaml#/definitions/flag | |
| 53 | description: | |
| 54 | Indicates if a GPIO bank is always powered and will never lose its logic state. | |
| 55 | ||
| 56 | ti,hwmods: | |
| 57 | $ref: /schemas/types.yaml#/definitions/string | |
| 58 | deprecated: true | |
| 59 | description: | |
| 60 | Name of the hwmod associated with the GPIO. Needed on some legacy OMAP | |
| 47aab533 | 61 | SoCs which have not been converted to the ti,sysc interconnect hierarchy. |
| bc3aca53 GS |
62 | |
| 63 | ti,no-reset-on-init: | |
| 64 | $ref: /schemas/types.yaml#/definitions/flag | |
| 65 | deprecated: true | |
| 66 | description: | |
| 67 | Do not reset on init. Used with ti,hwmods on some legacy OMAP SoCs which | |
| 47aab533 | 68 | have not been converted to the ti,sysc interconnect hierarchy. |
| bc3aca53 GS |
69 | |
| 70 | patternProperties: | |
| 71 | "^(.+-hog(-[0-9]+)?)$": | |
| 72 | type: object | |
| 73 | ||
| 74 | required: | |
| 75 | - gpio-hog | |
| 76 | ||
| 77 | required: | |
| 78 | - compatible | |
| 79 | - reg | |
| 80 | - gpio-controller | |
| 81 | - "#gpio-cells" | |
| 82 | - interrupt-controller | |
| 83 | - "#interrupt-cells" | |
| 84 | - interrupts | |
| 85 | ||
| 86 | additionalProperties: false | |
| 87 | ||
| 88 | examples: | |
| 89 | - | | |
| 90 | #include <dt-bindings/gpio/gpio.h> | |
| 91 | ||
| 92 | gpio0: gpio@0 { | |
| 93 | compatible = "ti,omap4-gpio"; | |
| 94 | reg = <0x0 0x1000>; | |
| 95 | gpio-controller; | |
| 96 | #gpio-cells = <2>; | |
| 97 | interrupt-controller; | |
| 98 | #interrupt-cells = <2>; | |
| 99 | interrupts = <96>; | |
| 100 | ti,gpio-always-on; | |
| 101 | ||
| 102 | ls-buf-en-hog { | |
| 103 | gpio-hog; | |
| 104 | gpios = <10 GPIO_ACTIVE_HIGH>; | |
| 105 | output-high; | |
| 106 | line-name = "LS_BUF_EN"; | |
| 107 | }; | |
| 108 | }; |