| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/fsi/fsi-master-gpio.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: fsi-master-gpio |
| |
| maintainers: |
| - Eddie James <eajames@linux.ibm.com> |
| |
| allOf: |
| - $ref: /schemas/fsi/fsi-controller.yaml |
| |
| properties: |
| compatible: |
| items: |
| - const: fsi-master-gpio |
| |
| clock-gpios: |
| description: GPIO for FSI clock |
| maxItems: 1 |
| |
| data-gpios: |
| description: GPIO for FSI data signal |
| maxItems: 1 |
| |
| enable-gpios: |
| description: GPIO for enable signal |
| maxItems: 1 |
| |
| trans-gpios: |
| description: GPIO for voltage translator enable |
| maxItems: 1 |
| |
| mux-gpios: |
| description: GPIO for pin multiplexing with other functions (eg, external |
| FSI masters) |
| maxItems: 1 |
| |
| no-gpio-delays: |
| description: |
| Don't add extra delays between GPIO accesses. This is useful when the HW |
| GPIO block is running at a low enough frequency. |
| type: boolean |
| |
| required: |
| - compatible |
| - clock-gpios |
| - data-gpios |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| fsi-master { |
| compatible = "fsi-master-gpio"; |
| clock-gpios = <&gpio 0>; |
| data-gpios = <&gpio 1>; |
| enable-gpios = <&gpio 2>; |
| trans-gpios = <&gpio 3>; |
| mux-gpios = <&gpio 4>; |
| }; |
