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Commit d7e578c8 authored by Stefan Agner's avatar Stefan Agner Committed by Boris Brezillon
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mtd: gpmi: document current clock requirements 



The clock requirements are completely missing, add the clocks
currently required by the driver.

Signed-off-by: default avatarStefan Agner <stefan@agner.ch>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent b4af694f

Documentation/devicetree/bindings/mtd/gpmi-nand.txt

+13 −1
Original line number Diff line number Diff line
@@ -4,7 +4,12 @@ The GPMI nand controller provides an interface to control the 
NAND flash chips.



Required properties:

  - compatible : should be "fsl,<chip>-gpmi-nand"

  - compatible : should be "fsl,<chip>-gpmi-nand", chip can be:

    * imx23

    * imx28

    * imx6q

    * imx6sx

    * imx7d

  - reg : should contain registers location and length for gpmi and bch.

  - reg-names: Should contain the reg names "gpmi-nand" and "bch"

  - interrupts : BCH interrupt number.
@@ -13,6 +18,13 @@ Required properties: 
    and GPMI DMA channel ID.

    Refer to dma.txt and fsl-mxs-dma.txt for details.

  - dma-names: Must be "rx-tx".

  - clocks : clocks phandle and clock specifier corresponding to each clock

    specified in clock-names.

  - clock-names : The "gpmi_io" clock is always required. Which clocks are

    exactly required depends on chip:

    * imx23/imx28 : "gpmi_io"

    * imx6q/sx : "gpmi_io", "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch"

    * imx7d : "gpmi_io", "gpmi_bch_apb"



Optional properties:

  - nand-on-flash-bbt: boolean to enable on flash bbt option if not