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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml')
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1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml b/Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml new file mode 100644 index 000000000..7087e4a50 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/ti,omap-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: OMAP GPIO controller bindings + +maintainers: + - Grygorii Strashko <grygorii.strashko@ti.com> + +description: | + The general-purpose interface combines general-purpose input/output (GPIO) banks. + Each GPIO banks provides up to 32 dedicated general-purpose pins with input + and output capabilities; interrupt generation in active mode and wake-up + request generation in idle mode upon the detection of external events. + +properties: + compatible: + oneOf: + - enum: + - ti,omap2-gpio + - ti,omap3-gpio + - ti,omap4-gpio + - items: + - const: ti,am4372-gpio + - const: ti,omap4-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + interrupts: + maxItems: 1 + + gpio-ranges: true + + gpio-line-names: + minItems: 1 + maxItems: 32 + + ti,gpio-always-on: + $ref: /schemas/types.yaml#/definitions/flag + description: + Indicates if a GPIO bank is always powered and will never lose its logic state. + + ti,hwmods: + $ref: /schemas/types.yaml#/definitions/string + deprecated: true + description: + Name of the hwmod associated with the GPIO. Needed on some legacy OMAP + SoCs which have not been converted to the ti,sysc interconnect hierarachy. + + ti,no-reset-on-init: + $ref: /schemas/types.yaml#/definitions/flag + deprecated: true + description: + Do not reset on init. Used with ti,hwmods on some legacy OMAP SoCs which + have not been converted to the ti,sysc interconnect hierarachy. + +patternProperties: + "^(.+-hog(-[0-9]+)?)$": + type: object + + required: + - gpio-hog + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + gpio0: gpio@0 { + compatible = "ti,omap4-gpio"; + reg = <0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <96>; + ti,gpio-always-on; + + ls-buf-en-hog { + gpio-hog; + gpios = <10 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "LS_BUF_EN"; + }; + }; |