| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/mmc/litex,mmc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: LiteX LiteSDCard device |
| 8 | |
| 9 | maintainers: |
| 10 | - Gabriel Somlo <gsomlo@gmail.com> |
| 11 | |
| 12 | description: | |
| 13 | LiteSDCard is a small footprint, configurable SDCard core for FPGA based |
| 14 | system on chips. |
| 15 | |
| 16 | The hardware source is Open Source and can be found on at |
| 17 | https://github.com/enjoy-digital/litesdcard/. |
| 18 | |
| 19 | allOf: |
| 20 | - $ref: mmc-controller.yaml# |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | const: litex,mmc |
| 25 | |
| 26 | reg: |
| 27 | items: |
| 28 | - description: PHY registers |
| 29 | - description: CORE registers |
| 30 | - description: DMA Reader buffer |
| 31 | - description: DMA Writer buffer |
| 32 | - description: IRQ registers |
| 33 | minItems: 4 |
| 34 | |
| 35 | reg-names: |
| 36 | items: |
| 37 | - const: phy |
| 38 | - const: core |
| 39 | - const: reader |
| 40 | - const: writer |
| 41 | - const: irq |
| 42 | minItems: 4 |
| 43 | |
| 44 | clocks: |
| 45 | maxItems: 1 |
| 46 | description: |
| 47 | Handle to reference clock. |
| 48 | |
| 49 | vmmc-supply: |
| 50 | description: |
| 51 | Handle to fixed-voltage supply for the card power. |
| 52 | |
| 53 | interrupts: |
| 54 | maxItems: 1 |
| 55 | |
| 56 | required: |
| 57 | - compatible |
| 58 | - reg |
| 59 | - reg-names |
| 60 | - clocks |
| 61 | - vmmc-supply |
| 62 | |
| 63 | additionalProperties: false |
| 64 | |
| 65 | examples: |
| 66 | - | |
| 67 | mmc: mmc@12005000 { |
| 68 | compatible = "litex,mmc"; |
| 69 | reg = <0x12005000 0x100>, |
| 70 | <0x12003800 0x100>, |
| 71 | <0x12003000 0x100>, |
| 72 | <0x12004800 0x100>, |
| 73 | <0x12004000 0x100>; |
| 74 | reg-names = "phy", "core", "reader", "writer", "irq"; |
| 75 | clocks = <&reference_clk>; |
| 76 | vmmc-supply = <&vreg_mmc>; |
| 77 | interrupts = <4>; |
| 78 | }; |