From patchwork Tue Nov 17 12:54:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tiffany.lin" X-Patchwork-Id: 7637101 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 377979F2EC for ; Tue, 17 Nov 2015 12:58:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4A2F920524 for ; Tue, 17 Nov 2015 12:58:40 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id 5A40A204E0 for ; Tue, 17 Nov 2015 12:58:39 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZyfoN-0003pb-OY; Tue, 17 Nov 2015 12:56:39 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZyfnR-0002b2-U2; Tue, 17 Nov 2015 12:55:44 +0000 X-Listener-Flag: 11101 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1633070379; Tue, 17 Nov 2015 20:55:13 +0800 Received: from mtkslt302.mediatek.inc (10.21.14.115) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Tue, 17 Nov 2015 20:55:12 +0800 From: Tiffany Lin To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Mauro Carvalho Chehab , Matthias Brugger , Daniel Kurtz , Sascha Hauer , Hongzhou Yang , Hans Verkuil , Laurent Pinchart , Sakari Ailus , Geert Uytterhoeven , Mikhail Ulyanov , Fabien Dessenne , Arnd Bergmann , Darren Etheridge , Peter Griffin , Benoit Parrot Subject: [RESEND RFC/PATCH 4/8] dt-bindings: Add a binding for Mediatek Video Encoder Date: Tue, 17 Nov 2015 20:54:41 +0800 Message-ID: <1447764885-23100-5-git-send-email-tiffany.lin@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1447764885-23100-1-git-send-email-tiffany.lin@mediatek.com> References: <1447764885-23100-1-git-send-email-tiffany.lin@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-20151117_045542_275907_708A3C08 X-CRM114-Status: GOOD ( 18.72 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: James Liao , Eddie Huang , Daniel Hsiao , Andrew-CT Chen , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, Yingjoe Chen , Tiffany Lin , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP add a DT binding documentation of Video Encoder for the MT8173 SoC from Mediatek. Signed-off-by: Tiffany Lin --- .../devicetree/bindings/media/mediatek-vcodec.txt | 58 ++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek-vcodec.txt diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt new file mode 100644 index 0000000..fea4d7c --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt @@ -0,0 +1,58 @@ +Mediatek Video Codec + +Mediatek Video Codec is the video codec hw present in Mediatek SoCs which +supports high resolution encoding functionalities. + +Required properties: +- compatible : "mediatek,mt8173-vcodec-enc" for encoder +- reg : Physical base address of the video codec registers and length of + memory mapped region. +- interrupts : interrupt number to the cpu. +- larb : must contain the larbes of current platform +- clocks : list of clock specifiers, corresponding to entries in + the clock-names property; +- clock-names: must contain "vencpll", "venc_lt_sel", "vcodecpll_370p5_ck" +- iommus : list of iommus specifiers should be enabled for hw encode. + There are 2 cells needed to enable/disable iommu. + The first one is local arbiter index(larbid), and the other is port + index(portid) within local arbiter. Specifies the larbid and portid + as defined in dt-binding/memory/mt8173-larb-port.h. +- vpu : the node of video processor unit + +Example: +vcodec_enc: vcodec@0x18002000 { + compatible = "mediatek,mt8173-vcodec-enc"; + reg = <0 0x18002000 0 0x1000>, /*VENC_SYS*/ + <0 0x19002000 0 0x1000>; /*VENC_LT_SYS*/ + interrupts = , + ; + larb = <&larb3>, + <&larb5>; + iommus = <&iommu M4U_LARB3_ID M4U_PORT_VENC_RCPU>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_REC>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_BSDMA>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_SV_COMV>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_RD_COMV>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_CUR_LUMA>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_CUR_CHROMA>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_REF_LUMA>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_REF_CHROMA>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_NBM_RDMA>, + <&iommu M4U_LARB3_ID M4U_PORT_VENC_NBM_WDMA>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_RCPU_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_REC_FRM_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_BSDMA_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_SV_COMA_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_RD_COMA_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_CUR_LUMA_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_CUR_CHROMA_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_REF_LUMA_SET2>, + <&iommu M4U_LARB5_ID M4U_PORT_VENC_REC_CHROMA_SET2>; + vpu = <&vpu>; + clocks = <&apmixedsys CLK_APMIXED_VENCPLL>, + <&topckgen CLK_TOP_VENC_LT_SEL>, + <&topckgen CLK_TOP_VCODECPLL_370P5>; + clock-names = "vencpll", + "venc_lt_sel", + "vcodecpll_370p5_ck"; + };