linux-kernel - Re: [PATCH v2 1/2] dt-bindings: i3c: Document MediaTek I3C master bindings

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Message-ID: <20190704120029.4cc6d151@collabora.com>
Date:   Thu, 4 Jul 2019 12:00:29 +0200
From:   Boris Brezillon <boris.brezillon@...labora.com>
To:     Qii Wang <qii.wang@...iatek.com>
Cc:     <bbrezillon@...nel.org>, devicetree@...r.kernel.org,
        srv_heupstream@...iatek.com, leilk.liu@...iatek.com,
        gregkh@...uxfoundation.org, xinping.qian@...iatek.com,
        linux-kernel@...r.kernel.org, liguo.zhang@...iatek.com,
        linux-mediatek@...ts.infradead.org, matthias.bgg@...il.com,
        linux-i3c@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] dt-bindings: i3c: Document MediaTek I3C master
 bindings

On Wed, 26 Jun 2019 13:36:27 +0800
Qii Wang <qii.wang@...iatek.com> wrote:

> Document MediaTek I3C master DT bindings.
> 

You forgot to Cc the DT maintainers/ML.

> Signed-off-by: Qii Wang <qii.wang@...iatek.com>
> ---
>  .../devicetree/bindings/i3c/mtk,i3c-master.txt     |   47 ++++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt
> 
> diff --git a/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt
> new file mode 100644
> index 0000000..3fd4f17
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt
> @@ -0,0 +1,47 @@
> +Bindings for MediaTek I3C master block
> +=====================================
> +
> +Required properties:
> +--------------------
> +- compatible: shall be "mediatek,i3c-master"
> +- reg: physical base address of the controller and apdma base, length of
> +  memory mapped region.
> +- reg-names: should be "main" for controller and "dma" for apdma.
> +- interrupts: interrupt number to the cpu.
> +- clocks: clock name from clock manager.
> +- clock-names: must include "main" and "dma".
> +
> +Mandatory properties defined by the generic binding (see
> +Documentation/devicetree/bindings/i3c/i3c.txt for more details):
> +
> +- #address-cells: shall be set to 3
> +- #size-cells: shall be set to 0
> +
> +Optional properties defined by the generic binding (see
> +Documentation/devicetree/bindings/i3c/i3c.txt for more details):
> +
> +- i2c-scl-hz
> +- i3c-scl-hz
> +
> +I3C device connected on the bus follow the generic description (see
> +Documentation/devicetree/bindings/i3c/i3c.txt for more details).
> +
> +Example:
> +
> +	i3c0: i3c@...0d000 {
> +		compatible = "mediatek,i3c-master";
> +		reg = <0x1100d000 0x100>,
> +		      <0x11000300 0x80>;
> +		reg-names = "main", "dma";
> +		interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>;
> +		clocks = <&i3c0_ck>, <&ap_dma_ck>;
> +		clock-names = "main", "dma";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		i2c-scl-hz = <100000>;
> +
> +		nunchuk: nunchuk@52 {
> +			compatible = "nintendo,nunchuk";
> +			reg = <0x52 0x80000010 0>;
> +		};
> +	};