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Message-ID: <20160425105750.GB2713@dell>
Date: Mon, 25 Apr 2016 11:57:50 +0100
From: Lee Jones <lee.jones@...aro.org>
To: Henry Chen <henryc.chen@...iatek.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>,
John Crispin <blogic@...nwrt.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Flora Fu <flora.fu@...iatek.com>, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v3 2/2] dt-bindings: ARM: Mediatek: add interrupt as
required properties to the mt6397/mt6323 doc
On Fri, 15 Apr 2016, Henry Chen wrote:
> MT6397/MT6323 have one interrupt line connected to the main SoC.
> Interrupt should be required feature of pmic, each sub module also
> need it to complete their function or error detect, add it as
> required properties on dts file.
>
> Signed-off-by: Henry Chen <henryc.chen@...iatek.com>
> ---
> Documentation/devicetree/bindings/mfd/mt6397.txt | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
> index 949c85f..a96529e 100644
> --- a/Documentation/devicetree/bindings/mfd/mt6397.txt
> +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
> @@ -15,7 +15,13 @@ Documentation/devicetree/bindings/soc/pwrap.txt
> This document describes the binding for MFD device and its sub module.
>
> Required properties:
> -compatible: "mediatek,mt6397" or "mediatek,mt6323"
> +- compatible: "mediatek,mt6397" or "mediatek,mt6323"
> +- interrupts: mt6323/mt6397 have one interrupt line connecteded to the main SoC
> +- interrupt-parent: The parent interrupt controller
> +- interrupt-controller : marks the device node as an interrupt controller
Nit: All sentences should start with an upper case char.
The device node is not an interrupt controller -- it's a device node.
The device the device node represents is the interrupt controller.
Look at how others describe this property, it's pretty well used.
> +- #interrupt-cells: the number of cells to describe an IRQ, this should be 2.
Nit: Captial letter.
> + The first cell is the IRQ number.
> + The second cell is the flags, encoded as the trigger masks from
>
> Optional subnodes:
>
> @@ -43,6 +49,10 @@ Example:
>
> pmic {
> compatible = "mediatek,mt6397";
> + interrupt-parent = <&pio>;
> + interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
>
> codec: mt6397codec {
> compatible = "mediatek,mt6397-codec";
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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