1* Hisilicon Hi3798CV200 specific extensions to the Synopsys Designware Mobile 2 Storage Host Controller 3 4Read synopsys-dw-mshc.txt for more details 5 6The Synopsys designware mobile storage host controller is used to interface 7a SoC with storage medium such as eMMC or SD/MMC cards. This file documents 8differences between the core Synopsys dw mshc controller properties described 9by synopsys-dw-mshc.txt and the properties used by the Hisilicon Hi3798CV200 10specific extensions to the Synopsys Designware Mobile Storage Host Controller. 11 12Required Properties: 13- compatible: Should contain "hisilicon,hi3798cv200-dw-mshc". 14- clocks: A list of phandle + clock-specifier pairs for the clocks listed 15 in clock-names. 16- clock-names: Should contain the following: 17 "ciu" - The ciu clock described in synopsys-dw-mshc.txt. 18 "biu" - The biu clock described in synopsys-dw-mshc.txt. 19 "ciu-sample" - Hi3798CV200 extended phase clock for ciu sampling. 20 "ciu-drive" - Hi3798CV200 extended phase clock for ciu driving. 21 22Example: 23 24 emmc: mmc@9830000 { 25 compatible = "hisilicon,hi3798cv200-dw-mshc"; 26 reg = <0x9830000 0x10000>; 27 interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>; 28 clocks = <&crg HISTB_MMC_CIU_CLK>, 29 <&crg HISTB_MMC_BIU_CLK>, 30 <&crg HISTB_MMC_SAMPLE_CLK>, 31 <&crg HISTB_MMC_DRV_CLK>; 32 clock-names = "ciu", "biu", "ciu-sample", "ciu-drive"; 33 fifo-depth = <256>; 34 clock-frequency = <200000000>; 35 cap-mmc-highspeed; 36 mmc-ddr-1_8v; 37 mmc-hs200-1_8v; 38 non-removable; 39 bus-width = <8>; 40 }; 41