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1 * Imagination specific extensions to the Synopsys Designware Mobile Storage
2   Host Controller
3
4 The Synopsys designware mobile storage host controller is used to interface
5 a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
6 differences between the core Synopsys dw mshc controller properties described
7 by synopsys-dw-mshc.txt and the properties used by the Imagination specific
8 extensions to the Synopsys Designware Mobile Storage Host Controller.
9
10 Required Properties:
11
12 * compatible: should be
13         - "img,pistachio-dw-mshc": for Pistachio SoCs
14
15 Example:
16
17         mmc@18142000 {
18                 compatible = "img,pistachio-dw-mshc";
19                 reg = <0x18142000 0x400>;
20                 interrupts = <GIC_SHARED 39 IRQ_TYPE_LEVEL_HIGH>;
21
22                 clocks = <&system_clk>, <&sdhost_clk>;
23                 clock-names = "biu", "ciu";
24
25                 fifo-depth = <0x20>;
26                 bus-width = <4>;
27                 num-slots = <1>;
28                 disable-wp;
29         };