From patchwork Mon Oct 9 09:04:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacob Chen X-Patchwork-Id: 9992379 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 E5B9560244 for ; Mon, 9 Oct 2017 09:05:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D89A0285DD for ; Mon, 9 Oct 2017 09:05:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CD31728689; Mon, 9 Oct 2017 09:05:07 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable 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 87EB3285DD for ; Mon, 9 Oct 2017 09:05:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754102AbdJIJEv (ORCPT ); Mon, 9 Oct 2017 05:04:51 -0400 Received: from mail-pf0-f195.google.com ([209.85.192.195]:36087 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754096AbdJIJEs (ORCPT ); Mon, 9 Oct 2017 05:04:48 -0400 Received: by mail-pf0-f195.google.com with SMTP id z11so8755006pfk.3; Mon, 09 Oct 2017 02:04:48 -0700 (PDT) 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=o4VJW8GK3e+JOhLe3U5SHLrY9m4gEyp+RiNt9GsQrW4=; b=b9fwOe1DORIHlbLd8I4GudhTI7r8/8QqNV7sgLQr9DY+KcsRj6YUKv7M1U+pdQcWsH Jtn1l0TIcksEia/7HwJxqzZL/wR2apacbY7DXyoVw96oOs94MlB5TSG8wNlPLEON7FOJ 3XR1wyuyOaZUh6lUXtyHFw4BMZqRW2MexCSXCb6MdmeHjKHzTto9MLxFgw0nrpQm9di3 +/oAwVGTIstnnIrDiejLYcU/WYAN2VHUhF+cL5wfCmEXTDkgcDdxrOi9Q31F3vE9c9iK XmcbS4IYyOVqy/YkvACzNNfdrMwLiWAahKlY9QxPzlJcc2bN1lrBrCgn8HXUx9LHn80H 0J/w== X-Gm-Message-State: AMCzsaUDUu4Jg0Mlli792NuJMm3DL9xWWTkW74t83TCMFzkI0gT1CxgO 51Rpu3F28tYNM9PnUR2b2zTruw== X-Google-Smtp-Source: AOwi7QD5kP2Z6fZWD/adgwrr81htnkF6Opvax+ZEp9yXhP7xu24hV6jhDgMfTeMdn/NQpEGA8v1m/Q== X-Received: by 10.159.244.16 with SMTP id x16mr8351495plr.27.1507539887845; Mon, 09 Oct 2017 02:04:47 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id 138sm14229847pfa.66.2017.10.09.02.04.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Oct 2017 02:04:47 -0700 (PDT) From: Jacob Chen To: linux-rockchip@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, heiko@sntech.de, robh+dt@kernel.org, mchehab@kernel.org, linux-media@vger.kernel.org, laurent.pinchart+renesas@ideasonboard.com, hans.verkuil@cisco.com, Jacob Chen , Yakir Yang Subject: [PATCH v11 4/4] dt-bindings: Document the Rockchip RGA bindings Date: Mon, 9 Oct 2017 17:04:24 +0800 Message-Id: <20171009090424.15292-5-jacob-chen@iotwrt.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171009090424.15292-1-jacob-chen@iotwrt.com> References: <20171009090424.15292-1-jacob-chen@iotwrt.com> 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 DT bindings documentation for Rockchip RGA Signed-off-by: Jacob Chen Signed-off-by: Yakir Yang Acked-by: Rob Herring --- .../devicetree/bindings/media/rockchip-rga.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/rockchip-rga.txt diff --git a/Documentation/devicetree/bindings/media/rockchip-rga.txt b/Documentation/devicetree/bindings/media/rockchip-rga.txt new file mode 100644 index 000000000000..fd5276abfad6 --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-rga.txt @@ -0,0 +1,33 @@ +device-tree bindings for rockchip 2D raster graphic acceleration controller (RGA) + +RGA is a standalone 2D raster graphic acceleration unit. It accelerates 2D +graphics operations, such as point/line drawing, image scaling, rotation, +BitBLT, alpha blending and image blur/sharpness. + +Required properties: +- compatible: value should be one of the following + "rockchip,rk3288-rga"; + "rockchip,rk3399-rga"; + +- interrupts: RGA interrupt specifier. + +- clocks: phandle to RGA sclk/hclk/aclk clocks + +- clock-names: should be "aclk", "hclk" and "sclk" + +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: should be "core", "axi" and "ahb" + +Example: +SoC-specific DT entry: + rga: rga@ff680000 { + compatible = "rockchip,rk3399-rga"; + reg = <0xff680000 0x10000>; + interrupts = ; + clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA_CORE>; + clock-names = "aclk", "hclk", "sclk"; + + resets = <&cru SRST_RGA_CORE>, <&cru SRST_A_RGA>, <&cru SRST_H_RGA>; + reset-names = "core, "axi", "ahb"; + };