From patchwork Fri Apr 1 16:21:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liviu Dudau X-Patchwork-Id: 64891 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp827804lbc; Fri, 1 Apr 2016 09:22:50 -0700 (PDT) X-Received: by 10.66.118.106 with SMTP id kl10mr32157537pab.78.1459527768933; Fri, 01 Apr 2016 09:22:48 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id am4si22183392pad.172.2016.04.01.09.22.48; Fri, 01 Apr 2016 09:22:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758241AbcDAQWQ (ORCPT + 29 others); Fri, 1 Apr 2016 12:22:16 -0400 Received: from fw-tnat.cambridge.arm.com ([217.140.96.140]:16204 "EHLO cam-smtp0.cambridge.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754966AbcDAQWO (ORCPT ); Fri, 1 Apr 2016 12:22:14 -0400 Received: from e106497-lin.cambridge.arm.com (e106497-lin.cambridge.arm.com [10.2.131.162]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id u31GLqrO005405; Fri, 1 Apr 2016 17:21:53 +0100 From: Liviu Dudau To: Dave Airlie , Daniel Stone , David Brown , Brian Starkey Cc: DRI devel , devicetree@vger.kernel.org, LKML , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [RFC][PATCH 1/2] dt/bindings: display: Add DT bindings for Mali Display Processors. Date: Fri, 1 Apr 2016 17:21:51 +0100 Message-Id: <1459527712-9488-2-git-send-email-Liviu.Dudau@arm.com> X-Mailer: git-send-email 2.7.1 In-Reply-To: <1459527712-9488-1-git-send-email-Liviu.Dudau@arm.com> References: <1459527712-9488-1-git-send-email-Liviu.Dudau@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add DT bindings documentation for the Mali Display Processor. The bindings describe the Mali DP500, DP550 and DP650 processors from ARM Ltd. Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Signed-off-by: Liviu Dudau --- .../devicetree/bindings/display/arm,malidp.txt | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/arm,malidp.txt -- 2.7.1 diff --git a/Documentation/devicetree/bindings/display/arm,malidp.txt b/Documentation/devicetree/bindings/display/arm,malidp.txt new file mode 100644 index 0000000..ed70de3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/arm,malidp.txt @@ -0,0 +1,65 @@ +ARM Mali-DP + +The following bindings apply to a family of Display Processors sold as +licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and +DP650 processors that offer multiple composition layers, support for +rotation and scaling output. + +Required properties: + - compatible: should be one of + "arm,mali-dp500" + "arm,mali-dp550" + "arm,mali-dp650" + depending on the particular implementation present in the hardware + - reg: Physical base address and size of the block of registers used by + the processor. + - interrupts: Interrupt list, as defined in ../interrupt-controller/interrupts.txt, + interrupt client nodes. + - interrupt-names: name of the engine inside the processor that will + use the corresponding interrupt. Should be one of "DE" or "SE". + - clocks: A list of phandle + clock-specifier pairs, one for each entry + in 'clock-names' + - clock-names: A list of clock names. It should contain: + - "pclk": for the APB interface clock + - "aclk": for the AXI interface clock + - "mclk": for the main processor clock + - "pxlclk": for the pixel clock feeding the output PLL of the processor. + - arm,malidp-output-port-lines: Array of u8 values describing the number + of output lines per channel (R, G and B). + +Required sub-nodes: + - port: The Mali DP connection to an encoder input port. The connection + is modelled using the OF graph bindings specified in + Documentation/devicetree/bindings/graph.txt + +Optional properties: + - memory-region: phandle to a node describing memory (see + Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt) + to be used for the framebuffer; if not present, the framebuffer may + be located anywhere in memory. + + +Example: + +/ { + ... + + dp0: malidp@6f200000 { + compatible = "arm,mali-dp650"; + reg = <0 0x6f200000 0 0x20000>; + memory-region = <&display_reserved>; + interrupts = <0 168 IRQ_TYPE_LEVEL_HIGH>, + <0 168 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "DE", "SE"; + clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; + clock-names = "pxlclk", "mclk", "aclk", "pclk"; + arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; + port { + dp0_output: endpoint { + remote-endpoint = <&tda998x_2_input>; + }; + }; + }; + + ... +};