diff options
author | Emmanuel Vadot <manu@FreeBSD.org> | 2017-06-20 02:28:15 +0000 |
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committer | Emmanuel Vadot <manu@FreeBSD.org> | 2017-06-20 02:28:15 +0000 |
commit | 8fdc67f730291b64de002bf95d19ae75e058b8ce (patch) | |
tree | 7168a4d1758594b7d9d103004964d3ab4a44d2a3 /Bindings/mmc/zx-dw-mshc.txt | |
parent | ff018dbf5bb142aa83bd955e5b6c55d66e9e9c1e (diff) |
Notes
Diffstat (limited to 'Bindings/mmc/zx-dw-mshc.txt')
-rw-r--r-- | Bindings/mmc/zx-dw-mshc.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Bindings/mmc/zx-dw-mshc.txt b/Bindings/mmc/zx-dw-mshc.txt new file mode 100644 index 0000000000000..eaade0e5adeb0 --- /dev/null +++ b/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"; + }; |