| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Allwinner A10 SPI Controller |
| 8 | |
| 9 | allOf: |
| 10 | - $ref: spi-controller.yaml |
| 11 | |
| 12 | maintainers: |
| 13 | - Chen-Yu Tsai <wens@csie.org> |
| 14 | - Maxime Ripard <mripard@kernel.org> |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: allwinner,sun4i-a10-spi |
| 19 | |
| 20 | reg: |
| 21 | maxItems: 1 |
| 22 | |
| 23 | interrupts: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | clocks: |
| 27 | items: |
| 28 | - description: Bus Clock |
| 29 | - description: Module Clock |
| 30 | |
| 31 | clock-names: |
| 32 | items: |
| 33 | - const: ahb |
| 34 | - const: mod |
| 35 | |
| 36 | dmas: |
| 37 | items: |
| 38 | - description: RX DMA Channel |
| 39 | - description: TX DMA Channel |
| 40 | |
| 41 | dma-names: |
| 42 | items: |
| 43 | - const: rx |
| 44 | - const: tx |
| 45 | |
| 46 | patternProperties: |
| 47 | "^.*@[0-9a-f]+": |
| 48 | type: object |
| 49 | additionalProperties: true |
| 50 | |
| 51 | properties: |
| 52 | reg: |
| 53 | items: |
| 54 | minimum: 0 |
| 55 | maximum: 4 |
| 56 | |
| 57 | spi-rx-bus-width: |
| 58 | const: 1 |
| 59 | |
| 60 | spi-tx-bus-width: |
| 61 | const: 1 |
| 62 | |
| 63 | required: |
| 64 | - compatible |
| 65 | - reg |
| 66 | - interrupts |
| 67 | - clocks |
| 68 | - clock-names |
| 69 | |
| 70 | unevaluatedProperties: false |
| 71 | |
| 72 | examples: |
| 73 | - | |
| 74 | spi1: spi@1c06000 { |
| 75 | compatible = "allwinner,sun4i-a10-spi"; |
| 76 | reg = <0x01c06000 0x1000>; |
| 77 | interrupts = <11>; |
| 78 | clocks = <&ahb_gates 21>, <&spi1_clk>; |
| 79 | clock-names = "ahb", "mod"; |
| 80 | #address-cells = <1>; |
| 81 | #size-cells = <0>; |
| 82 | }; |
| 83 | |
| 84 | ... |