1* Renesas Multi Media Card Interface (MMCIF) Controller 2 3This file documents differences between the core properties in mmc.txt 4and the properties used by the MMCIF device. 5 6 7Required properties: 8 9- compatible: must contain one of the following 10 - "renesas,mmcif-r8a7740" for the MMCIF found in r8a7740 SoCs 11 - "renesas,mmcif-r8a7790" for the MMCIF found in r8a7790 SoCs 12 - "renesas,mmcif-r8a7791" for the MMCIF found in r8a7791 SoCs 13 - "renesas,sh-mmcif" for the generic MMCIF 14 15- clocks: reference to the functional clock 16 17- dmas: reference to the DMA channels, one per channel name listed in the 18 dma-names property. 19- dma-names: must contain "tx" for the transmit DMA channel and "rx" for the 20 receive DMA channel. 21 22 23Example: R8A7790 (R-Car H2) MMCIF0 24 25 mmcif0: mmc@ee200000 { 26 compatible = "renesas,mmcif-r8a7790", "renesas,sh-mmcif"; 27 reg = <0 0xee200000 0 0x80>; 28 interrupts = <0 169 IRQ_TYPE_LEVEL_HIGH>; 29 clocks = <&mstp3_clks R8A7790_CLK_MMCIF0>; 30 dmas = <&dmac0 0xd1>, <&dmac0 0xd2>; 31 dma-names = "tx", "rx"; 32 }; 33