From patchwork Thu Jun 15 16:31:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanimir Varbanov X-Patchwork-Id: 9789123 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 CF2AD6038E for ; Thu, 15 Jun 2017 16:32:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C153F286B9 for ; Thu, 15 Jun 2017 16:32:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B600A286BC; Thu, 15 Jun 2017 16:32:57 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 097F2286BB for ; Thu, 15 Jun 2017 16:32:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752051AbdFOQcx (ORCPT ); Thu, 15 Jun 2017 12:32:53 -0400 Received: from mail-wm0-f43.google.com ([74.125.82.43]:33844 "EHLO mail-wm0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121AbdFOQcs (ORCPT ); Thu, 15 Jun 2017 12:32:48 -0400 Received: by mail-wm0-f43.google.com with SMTP id d64so1042215wmf.1 for ; Thu, 15 Jun 2017 09:32:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DFq40WaxCI8rbofLTPjx42XNXp1jdVfCjerwzEzn5FQ=; b=j4b3qgn0GOSLd52PtAptbUM6RUWKnSYz2DlAoCiTTsYa/ZLmDf9LNewRxAHF/z86/r Q7vF/3OjGK3yJOQxFG+XIybpcNI5u6PsPPNh02sj9KzsLdOhBw/CUdiLpH92EqzPTCbg 0n28KlawEypqnQkVGVEOkXAtxIVJOvZOkggVY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DFq40WaxCI8rbofLTPjx42XNXp1jdVfCjerwzEzn5FQ=; b=ZwSf50MoZ9AcZhwL+eWUIfQbmkZb6sZeswTl6mslRUzHOq50cQW6O8iO/hawP3Sz9h A41KpXnfcwgdgfVp7K/B687/9iR94QDAMO39Nbk51//8+r3mlOvREyoIOWujQ9DbNto1 4wcINgQX/CUZ2idSjqY1uQLEv+oTRYEqQa2lBM1CBGL3RIwwJx3w3lr+OHvaAXtc4A6C OV7NrJvd1iUEHxrvGgyKFGIFETu8c/rUmBTcyVwBCO7fyYyWFOxfGDLiZ/eWDY9u7CHE z5PFYb/gOlQW0nY0cggjQtngzJxUlktxhTJovkPrZSg5otVWSt4ic+AyHdEb6UZjQaci RcTg== X-Gm-Message-State: AKS2vOwLX6PhBFfCo70YW9T9VexNXFwZ3xwkxAg22h59gDWdyalrqNT7 z0h3lV84SCpTjvbb X-Received: by 10.28.27.151 with SMTP id b145mr4300189wmb.83.1497544366786; Thu, 15 Jun 2017 09:32:46 -0700 (PDT) Received: from mms-0440.qualcomm.mm-sol.com ([37.157.136.206]) by smtp.gmail.com with ESMTPSA id m73sm541890wmi.25.2017.06.15.09.32.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 15 Jun 2017 09:32:46 -0700 (PDT) From: Stanimir Varbanov To: Mauro Carvalho Chehab , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Stanimir Varbanov , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v11 02/19] doc: DT: venus: binding document for Qualcomm video driver Date: Thu, 15 Jun 2017 19:31:43 +0300 Message-Id: <1497544320-2269-3-git-send-email-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1497544320-2269-1-git-send-email-stanimir.varbanov@linaro.org> References: <1497544320-2269-1-git-send-email-stanimir.varbanov@linaro.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add binding document for Venus video encoder/decoder driver Cc: Rob Herring Cc: devicetree@vger.kernel.org Acked-by: Rob Herring Signed-off-by: Stanimir Varbanov --- .../devicetree/bindings/media/qcom,venus.txt | 107 +++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/qcom,venus.txt diff --git a/Documentation/devicetree/bindings/media/qcom,venus.txt b/Documentation/devicetree/bindings/media/qcom,venus.txt new file mode 100644 index 000000000000..2693449daf73 --- /dev/null +++ b/Documentation/devicetree/bindings/media/qcom,venus.txt @@ -0,0 +1,107 @@ +* Qualcomm Venus video encoder/decoder accelerators + +- compatible: + Usage: required + Value type: + Definition: Value should contain one of: + - "qcom,msm8916-venus" + - "qcom,msm8996-venus" +- reg: + Usage: required + Value type: + Definition: Register base address and length of the register map. +- interrupts: + Usage: required + Value type: + Definition: Should contain interrupt line number. +- clocks: + Usage: required + Value type: + Definition: A List of phandle and clock specifier pairs as listed + in clock-names property. +- clock-names: + Usage: required for msm8916 + Value type: + Definition: Should contain the following entries: + - "core" Core video accelerator clock + - "iface" Video accelerator AHB clock + - "bus" Video accelerator AXI clock +- clock-names: + Usage: required for msm8996 + Value type: + Definition: Should contain the following entries: + - "core" Core video accelerator clock + - "iface" Video accelerator AHB clock + - "bus" Video accelerator AXI clock + - "mbus" Video MAXI clock +- power-domains: + Usage: required + Value type: + Definition: A phandle and power domain specifier pairs to the + power domain which is responsible for collapsing + and restoring power to the peripheral. +- iommus: + Usage: required + Value type: + Definition: A list of phandle and IOMMU specifier pairs. +- memory-region: + Usage: required + Value type: + Definition: reference to the reserved-memory for the firmware + memory region. + +* Subnodes +The Venus video-codec node must contain two subnodes representing +video-decoder and video-encoder. + +Every of video-encoder or video-decoder subnode should have: + +- compatible: + Usage: required + Value type: + Definition: Value should contain "venus-decoder" or "venus-encoder" +- clocks: + Usage: required for msm8996 + Value type: + Definition: A List of phandle and clock specifier pairs as listed + in clock-names property. +- clock-names: + Usage: required for msm8996 + Value type: + Definition: Should contain the following entries: + - "core" Subcore video accelerator clock + +- power-domains: + Usage: required for msm8996 + Value type: + Definition: A phandle and power domain specifier pairs to the + power domain which is responsible for collapsing + and restoring power to the subcore. + +* An Example + video-codec@1d00000 { + compatible = "qcom,msm8916-venus"; + reg = <0x01d00000 0xff000>; + interrupts = ; + clocks = <&gcc GCC_VENUS0_VCODEC0_CLK>, + <&gcc GCC_VENUS0_AHB_CLK>, + <&gcc GCC_VENUS0_AXI_CLK>; + clock-names = "core", "iface", "bus"; + power-domains = <&gcc VENUS_GDSC>; + iommus = <&apps_iommu 5>; + memory-region = <&venus_mem>; + + video-decoder { + compatible = "venus-decoder"; + clocks = <&mmcc VIDEO_SUBCORE0_CLK>; + clock-names = "core"; + power-domains = <&mmcc VENUS_CORE0_GDSC>; + }; + + video-encoder { + compatible = "venus-encoder"; + clocks = <&mmcc VIDEO_SUBCORE1_CLK>; + clock-names = "core"; + power-domains = <&mmcc VENUS_CORE1_GDSC>; + }; + };