[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-spi
Subject:    Re: [PATCH v4 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC controller bindings
From:       Marek Vasut <marek.vasut () gmail ! com>
Date:       2018-12-26 19:07:24
Message-ID: 13e662c5-7476-191c-35bb-c451ab900473 () gmail ! com
[Download RAW message or body]

On 12/24/18 7:52 AM, Mason Yang wrote:
> Document the bindings used by the Renesas R-Car Gen3 RPC controller.
> 
> Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
> ---
> .../devicetree/bindings/spi/spi-renesas-rpc.txt    | 37 ++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt \
> b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt new file mode 100644
> index 0000000..ba863d7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> @@ -0,0 +1,37 @@
> +Renesas R-Car Gen3 RPC controller Device Tree Bindings
> +------------------------------------------------------
> +
> +Required properties:
> +- compatible: should be "renesas,r8a77995-rpc"
> +- #address-cells: should be 1
> +- #size-cells: should be 0
> +- reg: should contain 2 entries, one for the registers and one for the direct
> +       mapping area
> +- reg-names: should contain "regs" and "dirmap"
> +- clock-names: should contain "rpc"
> +- clocks: should contain 1 entries for the module's clock
> +- renesas,rpc-mode: should contain "spi" for rpc spi mode or
> +			   	   "hyperflash" for rpc hyerflash mode.

We do not need special property to identify that the controller is in HF
mode, just attach CFI NOR node or JEDEC SPI NOR underneath it.

-- 
Best regards,
Marek Vasut


[prev in list] [next in list] [prev in thread] [next in thread]