| # SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mmc/litex,mmc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: LiteX LiteSDCard device |
| |
| maintainers: |
| - Gabriel Somlo <gsomlo@gmail.com> |
| |
| description: | |
| LiteSDCard is a small footprint, configurable SDCard core for FPGA based |
| system on chips. |
| |
| The hardware source is Open Source and can be found on at |
| https://github.com/enjoy-digital/litesdcard/. |
| |
| allOf: |
| - $ref: mmc-controller.yaml# |
| |
| properties: |
| compatible: |
| const: litex,mmc |
| |
| reg: |
| items: |
| - description: PHY registers |
| - description: CORE registers |
| - description: DMA Reader buffer |
| - description: DMA Writer buffer |
| - description: IRQ registers |
| minItems: 4 |
| |
| reg-names: |
| items: |
| - const: phy |
| - const: core |
| - const: reader |
| - const: writer |
| - const: irq |
| minItems: 4 |
| |
| clocks: |
| maxItems: 1 |
| description: |
| Handle to reference clock. |
| |
| vmmc-supply: |
| description: |
| Handle to fixed-voltage supply for the card power. |
| |
| interrupts: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - reg-names |
| - clocks |
| - vmmc-supply |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| mmc: mmc@12005000 { |
| compatible = "litex,mmc"; |
| reg = <0x12005000 0x100>, |
| <0x12003800 0x100>, |
| <0x12003000 0x100>, |
| <0x12004800 0x100>, |
| <0x12004000 0x100>; |
| reg-names = "phy", "core", "reader", "writer", "irq"; |
| clocks = <&reference_clk>; |
| vmmc-supply = <&vreg_mmc>; |
| interrupts = <4>; |
| }; |
