From: Sakari Ailus <sakari.ailus@iki.fi>
To: Frederic Chen <frederic.chen@mediatek.com>
Cc: hans.verkuil@cisco.com,
laurent.pinchart+renesas@ideasonboard.com, tfiga@chromium.org,
matthias.bgg@gmail.com, mchehab@kernel.org,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, Sean.Cheng@mediatek.com,
sj.huang@mediatek.com, christie.yu@mediatek.com,
holmes.chiou@mediatek.com, Jerry-ch.Chen@mediatek.com,
jungo.lin@mediatek.com, Rynn.Wu@mediatek.com,
linux-media@vger.kernel.org, srv_heupstream@mediatek.com
Subject: Re: [RFC PATCH V0 3/7] [media] dt-bindings: mt8183: Added DIP-SMEM dt-bindings
Date: Sat, 9 Feb 2019 17:59:35 +0200 [thread overview]
Message-ID: <20190209155935.afrrtf3twjmj23sm@valkosipuli.retiisi.org.uk> (raw)
In-Reply-To: <1549020091-42064-4-git-send-email-frederic.chen@mediatek.com>
Hi Frederic,
Thanks for the patchset.
Could you also cc the devicetree list, please?
On Fri, Feb 01, 2019 at 07:21:27PM +0800, Frederic Chen wrote:
> This patch adds the DT binding documentation for the shared memory
> between DIP (Digital Image Processing) unit of the camera ISP system
> and the co-processor in Mediatek SoCs.
>
> Signed-off-by: Frederic Chen <frederic.chen@mediatek.com>
> ---
> .../bindings/media/mediatek,dip_smem.txt | 29 ++++++++++++++++++++++
> 1 file changed, 29 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/mediatek,dip_smem.txt
>
> diff --git a/Documentation/devicetree/bindings/media/mediatek,dip_smem.txt b/Documentation/devicetree/bindings/media/mediatek,dip_smem.txt
> new file mode 100644
> index 0000000..5533721
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek,dip_smem.txt
> @@ -0,0 +1,29 @@
> +Mediatek ISP Shared Memory Device
> +
> +Mediatek ISP Shared Memory Device is used to manage shared memory
> +among CPU, ISP IPs and coprocessor. It is associated with a reserved
> +memory region (Please see Documentation\devicetree\bindings\
> +reserved-memory\mediatek,reserve-memory-isp_smem.txt) and
s/\\/\//g;
> +and provide the context to allocate memory with dma addresses.
> +
> +Required properties:
> +- compatible: Should be "mediatek,isp_smem"
s/Should/Shall/
> +
> +- iommus: should point to the respective IOMMU block with master port
s/should/shall/
> + as argument. Please set the ports which may be accessed
> + through the common path. You can see
> + Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
> + for the detail.
> +
> +- mediatek,larb: must contain the local arbiters in the current Socs.
Perhaps "SoCs"?
> + Please set the larb of camsys for Pass 1 and imgsys for DIP, or both
> + if you are using all the camera function. You can see
> + Documentation/devicetree/bindings/memory-controllers/
> + mediatek,smi-larb.txt for the detail.
> +
> +Example:
> + isp_smem: isp_smem {
> + compatible = "mediatek,isp_smem";
> + mediatek,larb = <&larb5>;
> + iommus = <&iommu M4U_PORT_CAM_IMGI>;
> + };
--
Kind regards,
Sakari Ailus
next prev parent reply other threads:[~2019-02-09 15:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-01 11:21 [RFC PATCH V0 0/7] media: platform: Add support for Digital Image Processing (DIP) on mt8183 SoC Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 1/7] [media] dt-bindings: mt8183: Add binding for DIP shared memory Frederic Chen
2019-02-09 15:59 ` Sakari Ailus
2019-02-09 18:17 ` Laurent Pinchart
2019-02-12 9:37 ` Frederic Chen
2019-02-13 3:41 ` Tomasz Figa
2019-02-01 11:21 ` [RFC PATCH V0 2/7] dts: arm64: mt8183: Add DIP shared memory node Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 3/7] [media] dt-bindings: mt8183: Added DIP-SMEM dt-bindings Frederic Chen
2019-02-09 15:59 ` Sakari Ailus [this message]
2019-02-09 18:20 ` Laurent Pinchart
2019-02-12 9:50 ` Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 4/7] [media] dt-bindings: mt8183: Added DIP dt-bindings Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 5/7] dts: arm64: mt8183: Add DIP nodes Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 6/7] media: platform: Add Mediatek DIP driver KConfig Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 7/7] [media] platform: mtk-isp: Add Mediatek DIP driver Frederic Chen
2019-02-07 19:08 ` Brian Norris
[not found] ` <1550756198.11724.86.camel@mtksdccf07>
2019-02-23 6:18 ` Frederic Chen
2019-02-28 3:24 ` Brian Norris
2019-03-06 17:07 ` Frederic Chen
2019-03-14 8:46 ` [RFC PATCH V0 0/7] media: platform: Add support for Digital Image Processing (DIP) on mt8183 SoC Hans Verkuil
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