linux-kernel - Re: [PATCH v7 4/5] dt-bindings: mtd: Add bindings for TI's AM654 HyperBus memory controller

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Date:   Thu, 20 Jun 2019 22:48:01 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Vignesh Raghavendra <vigneshr@...com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-mtd@...ts.infradead.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        devicetree@...r.kernel.org, Mason Yang <masonccyang@...c.com.tw>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 4/5] dt-bindings: mtd: Add bindings for TI's AM654
 HyperBus memory controller

On 06/20/2019 08:22 PM, Vignesh Raghavendra wrote:

> Add binding documentation for TI's HyperBus memory controller present on
> AM654 SoC.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
> ---
> 
> v7: Fix example to move HyperBus node out of syscon
> v6: Use generic names for bindings
> 
>  .../devicetree/bindings/mtd/ti,am654-hbmc.txt | 52 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt
> 
> diff --git a/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt
> new file mode 100644
> index 000000000000..d424a0b88ab6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt
[...]
> +Example:
> +
> +	system-controller@...00000 {
> +		compatible = "syscon", "simple-mfd";
> +		reg = <0x0 0x47000000 0x0 0x100>;
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		hbmc_mux: multiplexer {
> +			compatible = "mmio-mux";
> +			#mux-control-cells = <1>;
> +			mux-reg-masks = <0x4 0x2>; /* 0: reg 0x4, bit 1 */
> +		};
> +

   Empty line not needed here.

> +	};
> +
> +	hbmc: hyperbus@...34000 {
> +		compatible = "ti,am654-hbmc";
> +		reg = <0x0 0x47034000 0x0 0x100>,
> +			<0x5 0x00000000 0x1 0x0000000>;
> +		power-domains = <&k3_pds 55>;
> +		#address-cells = <2>;
> +		#size-cells = <1>;
> +		ranges = <0x0 0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */
> +			 <0x1 0x0 0x5 0x04000000 0x4000000>; /* CS1 - 64MB */
> +		mux-controls = <&hbmc_mux 0>;
> +
> +			/* Slave flash node */

   Overindented.

> +		flash@0,0 {
> +			compatible = "cypress,hyperflash", "cfi-flash";
> +			reg = <0x0 0x0 0x4000000>;
> +		};
> +	};
[...]

MBR, Sergei