From patchwork Tue Apr 8 16:46:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 337697 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 90C351400C6 for ; Wed, 9 Apr 2014 02:44:51 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754579AbaDHQou (ORCPT ); Tue, 8 Apr 2014 12:44:50 -0400 Received: from perceval.ideasonboard.com ([95.142.166.194]:58046 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751037AbaDHQot (ORCPT ); Tue, 8 Apr 2014 12:44:49 -0400 Received: from avalon.ideasonboard.com (192.230-240-81.adsl-dyn.isp.belgacom.be [81.240.230.192]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 5B07E359FA; Tue, 8 Apr 2014 18:42:57 +0200 (CEST) From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: devicetree@vger.kernel.org, Sylwester Nawrocki Subject: [PATCH v4 4.1/6] v4l: vsp1: Add DT bindings documentation Date: Tue, 8 Apr 2014 18:46:56 +0200 Message-Id: <1396975616-6618-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <4542787.8JEGs6DclK@avalon> References: <4542787.8JEGs6DclK@avalon> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org All parameters supplied through platform data can now be passed through the device tree. Signed-off-by: Laurent Pinchart Acked-by: Sylwester Nawrocki --- .../devicetree/bindings/media/renesas,vsp1.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/renesas,vsp1.txt Changes since v3: - Split DT bindings documentation and support in the driver to seperate patches - Add a more verbose commit message Changes since v2: - Remove the interrupt-parent property - Drop of_match_ptr() as the table is always compiled in Changes since v1: - Drop the clock-names property, as the VSP1 uses a single clock diff --git a/Documentation/devicetree/bindings/media/renesas,vsp1.txt b/Documentation/devicetree/bindings/media/renesas,vsp1.txt new file mode 100644 index 0000000..87fe08a --- /dev/null +++ b/Documentation/devicetree/bindings/media/renesas,vsp1.txt @@ -0,0 +1,43 @@ +* Renesas VSP1 Video Processing Engine + +The VSP1 is a video processing engine that supports up-/down-scaling, alpha +blending, color space conversion and various other image processing features. +It can be found in the Renesas R-Car second generation SoCs. + +Required properties: + + - compatible: Must contain "renesas,vsp1" + + - reg: Base address and length of the registers block for the VSP1. + - interrupts: VSP1 interrupt specifier. + - clocks: A phandle + clock-specifier pair for the VSP1 functional clock. + + - renesas,#rpf: Number of Read Pixel Formatter (RPF) modules in the VSP1. + - renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1. + - renesas,#wpf: Number of Write Pixel Formatter (WPF) modules in the VSP1. + + +Optional properties: + + - renesas,has-lif: Boolean, indicates that the LCD Interface (LIF) module is + available. + - renesas,has-lut: Boolean, indicates that the Look Up Table (LUT) module is + available. + - renesas,has-sru: Boolean, indicates that the Super Resolution Unit (SRU) + module is available. + + +Example: R8A7790 (R-Car H2) VSP1-S node + + vsp1@fe928000 { + compatible = "renesas,vsp1"; + reg = <0 0xfe928000 0 0x8000>; + interrupts = <0 267 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp1_clks R8A7790_CLK_VSP1_S>; + + renesas,has-lut; + renesas,has-sru; + renesas,#rpf = <5>; + renesas,#uds = <3>; + renesas,#wpf = <4>; + };