From: Rob Herring <robh@kernel.org>
To: Qii Wang <qii.wang@mediatek.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
srv_heupstream@mediatek.com, bbrezillon@kernel.org,
leilk.liu@mediatek.com, linux-kernel@vger.kernel.org,
liguo.zhang@mediatek.com, linux-mediatek@lists.infradead.org,
xinping.qian@mediatek.com, matthias.bgg@gmail.com,
linux-i3c@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/2] dt-bindings: i3c: Document MediaTek I3C master bindings
Date: Wed, 24 Jul 2019 14:21:19 -0600 [thread overview]
Message-ID: <20190724202119.GA26566@bogus> (raw)
In-Reply-To: <1562677762-24067-2-git-send-email-qii.wang@mediatek.com>
On Tue, Jul 09, 2019 at 09:09:21PM +0800, Qii Wang wrote:
> Document MediaTek I3C master DT bindings.
>
> Signed-off-by: Qii Wang <qii.wang@mediatek.com>
> ---
> .../devicetree/bindings/i3c/mtk,i3c-master.txt | 48 ++++++++++++++++++++
> 1 file changed, 48 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..d32eda6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt
> @@ -0,0 +1,48 @@
> +Bindings for MediaTek I3C master block
> +=====================================
> +
> +Required properties:
> +--------------------
> +- compatible: shall be "mediatek,i3c-master"
Needs to be SoC specific.
> +- reg: physical base address of the controller and apdma base, length of
> + memory mapped region.
> +- reg-names: shall be "main" for master controller and "dma" for apdma.
> +- interrupts: the interrupt line connected to this I3C master.
> +- clocks: shall reference the i3c and apdma clocks.
> +- clock-names: shall 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@1100d000 {
> + compatible = "mediatek,i3c-master";
> + reg = <0x1100d000 0x1000>,
> + <0x11000300 0x80>;
> + reg-names = "main", "dma";
> + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&infracfg CLK_INFRA_I3C0>,
> + <&infracfg CLK_INFRA_AP_DMA>;
> + clock-names = "main", "dma";
> + #address-cells = <3>;
> + #size-cells = <0>;
> + i2c-scl-hz = <100000>;
> +
> + nunchuk: nunchuk@52 {
> + compatible = "nintendo,nunchuk";
> + reg = <0x52 0x0 0x10>;
> + };
> + };
> --
> 1.7.9.5
>
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next prev parent reply other threads:[~2019-07-25 7:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-09 13:09 [PATCH v3 0/2] Add MediaTek I3C master controller driver Qii Wang
2019-07-09 13:09 ` [PATCH v3 1/2] dt-bindings: i3c: Document MediaTek I3C master bindings Qii Wang
2019-07-24 20:21 ` Rob Herring [this message]
2019-07-27 1:23 ` Qii Wang
2019-07-27 9:18 ` Boris Brezillon
2019-07-30 1:34 ` Qii Wang
2019-07-09 13:09 ` [PATCH v3 2/2] i3c: master: Add driver for MediaTek IP Qii Wang
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