Re: [PATCH 2/5] mtd: nand: gpmi: document the clocks and clock-names in DT property

Boris Brezillon
2016-04-29T08:50:46Z

Hi Han,

On Tue, 23 Feb 2016 17:04:50 -0600
Han Xu <han.xu@nxp.com> wrote:

> add the clocks and clock-names in DT property, gpmi-io clock is
> mandatory for all platforms, but some platforms, such as i.MX6Q may
> need more extra clocks for submodules. More details please refer to the
> SoC reference manual.
>
> Signed-off-by: Han Xu <han.xu@nxp.com>
> ---
> Documentation/devicetree/bindings/mtd/gpmi-nand.txt | 9 +++++++++

Please make sure you add the DT maintainers (and the DT ML) in Cc when
you update DT bindings.

Best Regards,

Boris

> 1 file changed, 9 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
> index d02acaf..c8d0e2f 100644
> --- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
> +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
> @@ -13,6 +13,13 @@ 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 : The clocks needed by the gpmi controller. This field varies
> + depends on the SoC design, "gpmi-io" is mandatory but some platforms may
> + need several extra clocks, such as i.MX6Q, it requires "gpmi_apb,
> + gpmi_bch, gpmi_bch_apb and per1_bch" for all submodules. Please refer to
> + the HW design manual.
> + - clock-names : the name of the clocks, please refer to the HW design
> + manual.
>
> Optional properties:
> - nand-on-flash-bbt: boolean to enable on flash bbt option if not
> @@ -51,6 +58,8 @@ gpmi-nand@8000c000 {
> interrupt-names = "bch";
> dmas = <&dma_apbh 4>;
> dma-names = "rx-tx";
> + clocks = <&clks 50>,;
> + clock-names = "gpmi_io";
>
> partition@0 {
> ...

--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering