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Diffstat (limited to 'Documentation/devicetree/bindings/mmc/img-dw-mshc.txt')
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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 | }; | ||