linux-kernel - RE: [PATCH v8 2/5] dt-bindings: spi: add binding file for NXP FlexSPI controller

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Message-ID: <VI1PR04MB57266D861937B99899F3C1C699980@VI1PR04MB5726.eurprd04.prod.outlook.com>
Date:   Tue, 22 Jan 2019 09:00:14 +0000
From:   Yogesh Narayan Gaur <yogeshnarayan.gaur@....com>
To:     "robh@...nel.org" <robh@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>
CC:     "mark.rutland@....com" <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "computersforpeace@...il.com" <computersforpeace@...il.com>,
        "frieder.schrempf@...tron.de" <frieder.schrempf@...tron.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "bbrezillon@...nel.org" <bbrezillon@...nel.org>,
        "marek.vasut@...il.com" <marek.vasut@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: RE: [PATCH v8 2/5] dt-bindings: spi: add binding file for NXP FlexSPI
 controller

Hi Rob / Shawn,

Can you please apply patches [1] [2].

--
Regards,
Yogesh Gaur

[1] https://patchwork.ozlabs.org/patch/1025136/
[2] https://patchwork.ozlabs.org/patch/1025137/



> -----Original Message-----
> From: Yogesh Narayan Gaur
> Sent: Tuesday, January 15, 2019 5:30 PM
> To: linux-mtd@...ts.infradead.org; bbrezillon@...nel.org;
> marek.vasut@...il.com; broonie@...nel.org; linux-spi@...r.kernel.org;
> devicetree@...r.kernel.org
> Cc: robh@...nel.org; mark.rutland@....com; shawnguo@...nel.org; linux-
> arm-kernel@...ts.infradead.org; computersforpeace@...il.com;
> frieder.schrempf@...tron.de; linux-kernel@...r.kernel.org; Yogesh Narayan
> Gaur <yogeshnarayan.gaur@....com>
> Subject: [PATCH v8 2/5] dt-bindings: spi: add binding file for NXP FlexSPI
> controller
> 
> Add binding file for NXP FlexSPI controller
> 
> Signed-off-by: Yogesh Narayan Gaur <yogeshnarayan.gaur@....com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> ---
> Changes for v8:
> - None
> Changes for v7:
> - None
> Changes for v6:
> - None
> Changes for v5:
> - None
> Changes for v4:
> - Incorporated Rob review comments.
> Changes for v3:
> - Removed node property 'big-endian'.
> Changes for v2:
> - Incorporated Rob review comments.
> 
>  .../devicetree/bindings/spi/spi-nxp-fspi.txt  | 39 +++++++++++++++++++
>  1 file changed, 39 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
> b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
> new file mode 100644
> index 000000000000..2cd67eb727d4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
> @@ -0,0 +1,39 @@
> +* NXP Flex Serial Peripheral Interface (FSPI)
> +
> +Required properties:
> +  - compatible : Should be "nxp,lx2160a-fspi"
> +  - reg :        First contains the register location and length,
> +                 Second contains the memory mapping address and length
> +  - reg-names :  Should contain the resource reg names:
> +	         - fspi_base: configuration register address space
> +                 - fspi_mmap: memory mapped address space
> +  - interrupts : Should contain the interrupt for the device
> +
> +Required SPI slave node properties:
> +  - reg :        There are two buses (A and B) with two chip selects each.
> +                 This encodes to which bus and CS the flash is connected:
> +                 - <0>: Bus A, CS 0
> +                 - <1>: Bus A, CS 1
> +                 - <2>: Bus B, CS 0
> +                 - <3>: Bus B, CS 1
> +
> +Example showing the usage of two SPI NOR slave devices on bus A:
> +
> +fspi0: spi@...0000 {
> +	compatible = "nxp,lx2160a-fspi";
> +	reg = <0x0 0x20c0000 0x0 0x10000>, <0x0 0x20000000 0x0
> 0x10000000>;
> +	reg-names = "fspi_base", "fspi_mmap";
> +	interrupts = <0 25 0x4>; /* Level high type */
> +	clocks = <&clockgen 4 3>, <&clockgen 4 3>;
> +	clock-names = "fspi_en", "fspi";
> +
> +	mt35xu512aba0: flash@0 {
> +		reg = <0>;
> +		....
> +	};
> +
> +	mt35xu512aba1: flash@1 {
> +		reg = <1>;
> +		....
> +	};
> +};
> --
> 2.17.1