diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt new file mode 100644 index 000000000..0f59bd536 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt @@ -0,0 +1,31 @@ +* ZTE specific extensions to the Synopsys Designware Mobile Storage + Host Controller + +The Synopsys designware mobile storage host controller is used to interface +a SoC with storage medium such as eMMC or SD/MMC cards. This file documents +differences between the core Synopsys dw mshc controller properties described +by synopsys-dw-mshc.txt and the properties used by the ZTE specific +extensions to the Synopsys Designware Mobile Storage Host Controller. + +Required Properties: + +* compatible: should be + - "zte,zx296718-dw-mshc": for ZX SoCs + +Example: + + mmc1: mmc@1110000 { + compatible = "zte,zx296718-dw-mshc"; + reg = <0x01110000 0x1000>; + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; + fifo-depth = <32>; + data-addr = <0x200>; + fifo-watermark-aligned; + bus-width = <4>; + clock-frequency = <50000000>; + clocks = <&topcrm SD0_AHB>, <&topcrm SD0_WCLK>; + clock-names = "biu", "ciu"; + max-frequency = <50000000>; + cap-sdio-irq; + cap-sd-highspeed; + }; |