1bc3aca53SGrygorii Strashko# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2bc3aca53SGrygorii Strashko%YAML 1.2 3bc3aca53SGrygorii Strashko--- 4bc3aca53SGrygorii Strashko$id: http://devicetree.org/schemas/gpio/ti,omap-gpio.yaml# 5bc3aca53SGrygorii Strashko$schema: http://devicetree.org/meta-schemas/core.yaml# 6bc3aca53SGrygorii Strashko 784e85359SKrzysztof Kozlowskititle: OMAP GPIO controller 8bc3aca53SGrygorii Strashko 9bc3aca53SGrygorii Strashkomaintainers: 10bc3aca53SGrygorii Strashko - Grygorii Strashko <grygorii.strashko@ti.com> 11bc3aca53SGrygorii Strashko 12bc3aca53SGrygorii Strashkodescription: | 13bc3aca53SGrygorii Strashko The general-purpose interface combines general-purpose input/output (GPIO) banks. 14bc3aca53SGrygorii Strashko Each GPIO banks provides up to 32 dedicated general-purpose pins with input 15bc3aca53SGrygorii Strashko and output capabilities; interrupt generation in active mode and wake-up 16bc3aca53SGrygorii Strashko request generation in idle mode upon the detection of external events. 17bc3aca53SGrygorii Strashko 18bc3aca53SGrygorii Strashkoproperties: 19bc3aca53SGrygorii Strashko compatible: 20bc3aca53SGrygorii Strashko oneOf: 21bc3aca53SGrygorii Strashko - enum: 22bc3aca53SGrygorii Strashko - ti,omap2-gpio 23bc3aca53SGrygorii Strashko - ti,omap3-gpio 24bc3aca53SGrygorii Strashko - ti,omap4-gpio 25bc3aca53SGrygorii Strashko - items: 26bc3aca53SGrygorii Strashko - const: ti,am4372-gpio 27bc3aca53SGrygorii Strashko - const: ti,omap4-gpio 28bc3aca53SGrygorii Strashko 29bc3aca53SGrygorii Strashko reg: 30bc3aca53SGrygorii Strashko maxItems: 1 31bc3aca53SGrygorii Strashko 32bc3aca53SGrygorii Strashko gpio-controller: true 33bc3aca53SGrygorii Strashko 34bc3aca53SGrygorii Strashko '#gpio-cells': 35bc3aca53SGrygorii Strashko const: 2 36bc3aca53SGrygorii Strashko 37bc3aca53SGrygorii Strashko interrupt-controller: true 38bc3aca53SGrygorii Strashko 39bc3aca53SGrygorii Strashko '#interrupt-cells': 40bc3aca53SGrygorii Strashko const: 2 41bc3aca53SGrygorii Strashko 42bc3aca53SGrygorii Strashko interrupts: 43bc3aca53SGrygorii Strashko maxItems: 1 44bc3aca53SGrygorii Strashko 45bc3aca53SGrygorii Strashko gpio-ranges: true 46bc3aca53SGrygorii Strashko 47bc3aca53SGrygorii Strashko gpio-line-names: 48bc3aca53SGrygorii Strashko minItems: 1 49bc3aca53SGrygorii Strashko maxItems: 32 50bc3aca53SGrygorii Strashko 51bc3aca53SGrygorii Strashko ti,gpio-always-on: 52bc3aca53SGrygorii Strashko $ref: /schemas/types.yaml#/definitions/flag 53bc3aca53SGrygorii Strashko description: 54bc3aca53SGrygorii Strashko Indicates if a GPIO bank is always powered and will never lose its logic state. 55bc3aca53SGrygorii Strashko 56bc3aca53SGrygorii Strashko ti,hwmods: 57bc3aca53SGrygorii Strashko $ref: /schemas/types.yaml#/definitions/string 58bc3aca53SGrygorii Strashko deprecated: true 59bc3aca53SGrygorii Strashko description: 60bc3aca53SGrygorii Strashko Name of the hwmod associated with the GPIO. Needed on some legacy OMAP 61*47aab533SBjorn Helgaas SoCs which have not been converted to the ti,sysc interconnect hierarchy. 62bc3aca53SGrygorii Strashko 63bc3aca53SGrygorii Strashko ti,no-reset-on-init: 64bc3aca53SGrygorii Strashko $ref: /schemas/types.yaml#/definitions/flag 65bc3aca53SGrygorii Strashko deprecated: true 66bc3aca53SGrygorii Strashko description: 67bc3aca53SGrygorii Strashko Do not reset on init. Used with ti,hwmods on some legacy OMAP SoCs which 68*47aab533SBjorn Helgaas have not been converted to the ti,sysc interconnect hierarchy. 69bc3aca53SGrygorii Strashko 70bc3aca53SGrygorii StrashkopatternProperties: 71bc3aca53SGrygorii Strashko "^(.+-hog(-[0-9]+)?)$": 72bc3aca53SGrygorii Strashko type: object 73bc3aca53SGrygorii Strashko 74bc3aca53SGrygorii Strashko required: 75bc3aca53SGrygorii Strashko - gpio-hog 76bc3aca53SGrygorii Strashko 77bc3aca53SGrygorii Strashkorequired: 78bc3aca53SGrygorii Strashko - compatible 79bc3aca53SGrygorii Strashko - reg 80bc3aca53SGrygorii Strashko - gpio-controller 81bc3aca53SGrygorii Strashko - "#gpio-cells" 82bc3aca53SGrygorii Strashko - interrupt-controller 83bc3aca53SGrygorii Strashko - "#interrupt-cells" 84bc3aca53SGrygorii Strashko - interrupts 85bc3aca53SGrygorii Strashko 86bc3aca53SGrygorii StrashkoadditionalProperties: false 87bc3aca53SGrygorii Strashko 88bc3aca53SGrygorii Strashkoexamples: 89bc3aca53SGrygorii Strashko - | 90bc3aca53SGrygorii Strashko #include <dt-bindings/gpio/gpio.h> 91bc3aca53SGrygorii Strashko 92bc3aca53SGrygorii Strashko gpio0: gpio@0 { 93bc3aca53SGrygorii Strashko compatible = "ti,omap4-gpio"; 94bc3aca53SGrygorii Strashko reg = <0x0 0x1000>; 95bc3aca53SGrygorii Strashko gpio-controller; 96bc3aca53SGrygorii Strashko #gpio-cells = <2>; 97bc3aca53SGrygorii Strashko interrupt-controller; 98bc3aca53SGrygorii Strashko #interrupt-cells = <2>; 99bc3aca53SGrygorii Strashko interrupts = <96>; 100bc3aca53SGrygorii Strashko ti,gpio-always-on; 101bc3aca53SGrygorii Strashko 102bc3aca53SGrygorii Strashko ls-buf-en-hog { 103bc3aca53SGrygorii Strashko gpio-hog; 104bc3aca53SGrygorii Strashko gpios = <10 GPIO_ACTIVE_HIGH>; 105bc3aca53SGrygorii Strashko output-high; 106bc3aca53SGrygorii Strashko line-name = "LS_BUF_EN"; 107bc3aca53SGrygorii Strashko }; 108bc3aca53SGrygorii Strashko }; 109