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| author |   Jun Nie <jun.nie@linaro.org> | 2017-01-06 12:24:45 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2017-02-13 13:20:03 +0100 |
| commit | 4c8a03c727d930b0633fa45fd8afcd1df88bb5b4 (patch) | |
| tree | ada16ad58ac5a64ae5723c4ebdff55022f2d1f96 /Documentation/devicetree/bindings/mmc | |
| parent | mmc: dw_mmc: Add fifo watermark alignment property (diff) | |
| download | linux-dev-4c8a03c727d930b0633fa45fd8afcd1df88bb5b4.tar.xz linux-dev-4c8a03c727d930b0633fa45fd8afcd1df88bb5b4.zip | |
mmc: dt-bindings: add ZTE ZX296718 MMC bindings
Document the device-tree binding of ZTE MMC host on
ZX296718 SoC.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt | 33 |
1 files changed, 33 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 000000000000..eaade0e5adeb --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt @@ -0,0 +1,33 @@ +* 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"; + num-slots = <1>; + max-frequency = <50000000>; + cap-sdio-irq; + cap-sd-highspeed; + status = "disabled"; + }; |