litex,mmc.yaml (1647B)
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 7title: LiteX LiteSDCard device 8 9maintainers: 10 - Gabriel Somlo <gsomlo@gmail.com> 11 12description: | 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 19allOf: 20 - $ref: mmc-controller.yaml# 21 22properties: 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 56required: 57 - compatible 58 - reg 59 - reg-names 60 - clocks 61 - vmmc-supply 62 63additionalProperties: false 64 65examples: 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 };