| 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 | # Copyright 2019,2020 Lubomir Rintel <lkundrak@v3.sk> |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | $id: http://devicetree.org/schemas/spi/marvell,mmp2-ssp.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: PXA2xx SSP SPI Controller |
| 9 | |
| 10 | maintainers: |
| 11 | - Lubomir Rintel <lkundrak@v3.sk> |
| 12 | |
| 13 | allOf: |
| 14 | - $ref: spi-controller.yaml# |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: marvell,mmp2-ssp |
| 19 | |
| 20 | interrupts: |
| 21 | maxItems: 1 |
| 22 | |
| 23 | reg: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | clocks: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | ready-gpios: |
| 30 | description: | |
| 31 | GPIO used to signal a SPI master that the FIFO is filled and we're |
| 32 | ready to service a transfer. Only useful in slave mode. |
| 33 | maxItems: 1 |
| 34 | |
| 35 | required: |
| 36 | - compatible |
| 37 | - reg |
| 38 | - interrupts |
| 39 | - clocks |
| 40 | |
| 41 | dependencies: |
| 42 | ready-gpios: [ spi-slave ] |
| 43 | |
| 44 | unevaluatedProperties: false |
| 45 | |
| 46 | examples: |
| 47 | - | |
| 48 | #include <dt-bindings/clock/marvell,mmp2.h> |
| 49 | spi@d4035000 { |
| 50 | compatible = "marvell,mmp2-ssp"; |
| 51 | #address-cells = <1>; |
| 52 | #size-cells = <0>; |
| 53 | reg = <0xd4035000 0x1000>; |
| 54 | clocks = <&soc_clocks MMP2_CLK_SSP0>; |
| 55 | interrupts = <0>; |
| 56 | }; |
| 57 | |
| 58 | ... |