[PATCH v2 1/2] dt: bindings: Add bindings for SDHCI Synopsys DWC MSHC
From: Jisheng Zhang <hidden>
Date: 2018-07-06 07:22:54
Also in:
linux-arm-kernel, linux-mmc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Synopsys SDHCI compatible DesignWare Cores Mobile Storage Host Controller can support eMMC/SD/SDIO. Add the bindings. Signed-off-by: Jisheng Zhang <redacted> --- .../bindings/mmc/sdhci-of-dwcmshc.txt | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-of-dwcmshc.txt
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-of-dwcmshc.txt b/Documentation/devicetree/bindings/mmc/sdhci-of-dwcmshc.txt
new file mode 100644
index 000000000000..ee4253b33be2
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sdhci-of-dwcmshc.txt@@ -0,0 +1,20 @@ +* Synopsys DesignWare Cores Mobile Storage Host Controller + +Required properties: +- compatible: should be one of the following: + "snps,dwcmshc-sdhci" +- reg: offset and length of the register set for the device. +- interrupts: a single interrupt specifier. +- clocks: Array of clocks required for SDHCI; requires at least one for + core clock. +- clock-names: Array of names corresponding to clocks property; shall be + "core" for core clock and "bus" for optional bus clock. + +Example: + sdhci2: sdhci@aa0000 { + compatible = "snps,dwcmshc-sdhci"; + reg = <0xaa0000 0x1000>; + interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&emmcclk>; + bus-width = <8>; + }
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2.18.0