linux-kernel - Re: [PATCH 1/2] dt-bindings: reset: Add document for Broadcom STB reset controller

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Date:   Mon, 31 Dec 2018 15:13:25 -0800
From:   Scott Branden <scott.branden@...adcom.com>
To:     Florian Fainelli <f.fainelli@...il.com>, p.zabel@...gutronix.de,
        linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Brian Norris <computersforpeace@...il.com>,
        Gregory Fong <gregory.0xf0@...il.com>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...adcom.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/2] dt-bindings: reset: Add document for Broadcom STB
 reset controller


On 2018-12-20 5:34 p.m., Florian Fainelli wrote:
> Add a binding document for the Broadcom STB reset controller, also known
> as SW_INIT-style reset controller.
>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>   .../devicetree/bindings/reset/brcm,reset.txt  | 27 +++++++++++++++++++
>   1 file changed, 27 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/reset/brcm,reset.txt
>
> diff --git a/Documentation/devicetree/bindings/reset/brcm,reset.txt b/Documentation/devicetree/bindings/reset/brcm,reset.txt
> new file mode 100644
> index 000000000000..6e5341b4f891
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/brcm,reset.txt
This is brcmstb-reset specific.  File should be brcm, brcmstb-reset.txt
> @@ -0,0 +1,27 @@
> +Broadcom STB SW_INIT-style reset controller
> +===========================================
> +
> +Broadcom STB SoCs have a SW_INIT-style reset controller with separate
> +SET/CLEAR/STATUS registers and possibly multiple banks, each of 32 bit
> +reset lines.
> +
> +Please also refer to reset.txt in this directory for common reset
> +controller binding usage.
> +
> +Required properties:
> +- compatible: should be brcm,brcmstb-reset
> +- reg: register base and length
> +- #reset-cells: must be set to 1
> +
> +Example:
> +
> +	reset: reset-controller@...4318 {
> +		compatible = "brcm,brcmstb-reset";
> +		reg = <0x8404318 0x30>;
> +		#reset-cells = <1>;
> +	};
> +
> +	&ethernet_switch {
> +		resets = <&reset>;
> +		reset-names = "switch";
> +	};