Commit 356f3f2c authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Ulf Hansson
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dt-bindings: mmc: synopsys-dw-mshc: integrate Altera and Imagination 



The bindings for Altera and Imagination extensions are the same as for
the original Synopsys Designware Mobile Storage Host Controller.
Integrate them into Synopsys bindings to have dtschema coverage.

Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20211227133558.135185-3-krzysztof.kozlowski@canonical.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 28df1433

Documentation/devicetree/bindings/mmc/img-dw-mshc.txt

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* Imagination 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 Imagination specific

extensions to the Synopsys Designware Mobile Storage Host Controller.



Required Properties:



* compatible: should be

	- "img,pistachio-dw-mshc": for Pistachio SoCs



Example:



	mmc@18142000 {

		compatible = "img,pistachio-dw-mshc";

		reg = <0x18142000 0x400>;

		interrupts = <GIC_SHARED 39 IRQ_TYPE_LEVEL_HIGH>;



		clocks = <&system_clk>, <&sdhost_clk>;

		clock-names = "biu", "ciu";



		fifo-depth = <0x20>;

		bus-width = <4>;

		disable-wp;

	};

Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt

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* Altera SOCFPGA 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 Altera SOCFPGA specific

extensions to the Synopsys Designware Mobile Storage Host Controller.



Required Properties:



* compatible: should be

	- "altr,socfpga-dw-mshc": for Altera's SOCFPGA platform



Example:



	mmc: dwmmc0@ff704000 {

		compatible = "altr,socfpga-dw-mshc";

		reg = <0xff704000 0x1000>;

		interrupts = <0 129 4>;

		#address-cells = <1>;

		#size-cells = <0>;

	};

Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml

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@@ -15,7 +15,10 @@ maintainers: 
# Everything else is described in the common file

properties:

  compatible:

    const: snps,dw-mshc

    enum:

      - altr,socfpga-dw-mshc

      - img,pistachio-dw-mshc

      - snps,dw-mshc



  reg:

    maxItems: 1