From patchwork Mon Oct 31 07:16:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rick Chang X-Patchwork-Id: 9405089 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 827C06022E for ; Mon, 31 Oct 2016 07:18:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 737D5291D2 for ; Mon, 31 Oct 2016 07:18:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 66FBA291D5; Mon, 31 Oct 2016 07:18:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1E098291D2 for ; Mon, 31 Oct 2016 07:18:37 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c16ra-0004vZ-Ou; Mon, 31 Oct 2016 07:18:34 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c16rY-0004ss-IX for linux-mediatek@lists.infradead.org; Mon, 31 Oct 2016 07:18:33 +0000 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1351131969; Mon, 31 Oct 2016 15:18:05 +0800 Received: from mtkslt207.mediatek.inc (10.21.15.94) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Mon, 31 Oct 2016 15:18:04 +0800 From: Rick Chang To: Hans Verkuil , Laurent Pinchart , Mauro Carvalho Chehab , Matthias Brugger Subject: [PATCH v2 1/3] dt-bindings: mediatek: Add a binding for Mediatek JPEG Decoder Date: Mon, 31 Oct 2016 15:16:55 +0800 Message-ID: <1477898217-19250-2-git-send-email-rick.chang@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1477898217-19250-1-git-send-email-rick.chang@mediatek.com> References: <1477898217-19250-1-git-send-email-rick.chang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161031_001832_814321_A63AC9F7 X-CRM114-Status: GOOD ( 15.63 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Minghsiu Tsai , srv_heupstream@mediatek.com, Rick Chang , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add a DT binding documentation for Mediatek JPEG Decoder of MT2701 SoC. Signed-off-by: Rick Chang Signed-off-by: Minghsiu Tsai --- .../bindings/media/mediatek-jpeg-codec.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek-jpeg-codec.txt diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-codec.txt b/Documentation/devicetree/bindings/media/mediatek-jpeg-codec.txt new file mode 100644 index 0000000..514e656 --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-codec.txt @@ -0,0 +1,35 @@ +* Mediatek JPEG Codec + +Mediatek JPEG Codec device driver is a v4l2 driver which can decode +JPEG-encoded video frames. + +Required properties: + - compatible : "mediatek,mt2701-jpgdec" + - reg : Physical base address of the jpeg codec registers and length of + memory mapped region. + - interrupts : interrupt number to the cpu. + - clocks : clock name from clock manager + - clock-names: the clocks of the jpeg codec H/W + - power-domains : a phandle to the power domain. + - larb : must contain the larbes of current platform + - iommus : Mediatek IOMMU H/W has designed the fixed associations with + the multimedia H/W. and there is only one multimedia iommu domain. + "iommus = <&iommu portid>" the "portid" is from + dt-bindings\iommu\mt2701-iommu-port.h, it means that this portid will + enable iommu. The portid default is disable iommu if "<&iommu portid>" + don't be added. + +Example: + jpegdec: jpegdec@15004000 { + compatible = "mediatek,mt2701-jpgdec"; + reg = <0 0x15004000 0 0x1000>; + interrupts = ; + clocks = <&imgsys CLK_IMG_JPGDEC_SMI>, + <&imgsys CLK_IMG_JPGDEC>; + clock-names = "jpgdec-smi", + "jpgdec"; + power-domains = <&scpsys MT2701_POWER_DOMAIN_ISP>; + mediatek,larb = <&larb2>; + iommus = <&iommu MT2701_M4U_PORT_JPGDEC_WDMA>, + <&iommu MT2701_M4U_PORT_JPGDEC_BSDMA>; + };