From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6135C10F13 for ; Sun, 14 Apr 2019 20:08:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8C0521473 for ; Sun, 14 Apr 2019 20:08:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="M3DdPF8t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727370AbfDNUIe (ORCPT ); Sun, 14 Apr 2019 16:08:34 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:35650 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726159AbfDNUIe (ORCPT ); Sun, 14 Apr 2019 16:08:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1555272510; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=lLW8/OLEHvWSCDNtDKW8ODkzAI+4uhciGZEy33h1JNo=; b=M3DdPF8tqhTOsiaRw/mCzNcL7KEDmLBGw4X4qnIeU5WmLEULXCBoy4FxDpRWOxJGB24sqD lHazFs9Hpg6FIBXWOMFbJhToq04Xofgh0ayuPCA9RYdXxptJ+1Gs+Nv1zz7drH2u1u2esS rZS1NX3Yj4kwXq/XQPHWCrlGUr2lyxo= From: Paul Cercueil To: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Maarten Lankhorst , Maxime Ripard , Sean Paul Cc: od@zcrc.me, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil Subject: [PATCH v3 1/3] dt-bindings: Add doc for the ingenic-drm driver Date: Sun, 14 Apr 2019 22:08:22 +0200 Message-Id: <20190414200824.28348-1-paul@crapouillou.net> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add documentation for the devicetree bindings of the DRM driver for the JZ47xx family of SoCs from Ingenic. Signed-off-by: Paul Cercueil Tested-by: Artur Rojek --- Notes: v2: Remove ingenic,panel property. v3: - Rename compatible strings from ingenic,jz47XX-drm to ingenic,jz47XX-lcd - The ingenic,lcd-mode property is now read from the panel node instead of from the driver node .../devicetree/bindings/display/ingenic,drm.txt | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ingenic,drm.txt diff --git a/Documentation/devicetree/bindings/display/ingenic,drm.txt b/Documentation/devicetree/bindings/display/ingenic,drm.txt new file mode 100644 index 000000000000..9de47db8a515 --- /dev/null +++ b/Documentation/devicetree/bindings/display/ingenic,drm.txt @@ -0,0 +1,53 @@ +Ingenic JZ47xx DRM driver + +Required properties: +- compatible: one of: + * ingenic,jz4740-lcd + * ingenic,jz4725b-lcd +- reg: LCD registers location and length +- clocks: LCD pixclock and device clock specifiers. + The device clock is only required on the JZ4740. +- clock-names: "lcd_pclk" and "lcd" +- interrupts: Specifies the interrupt line the LCD controller is connected to. + +Optional properties in the panel mode: +- ingenic,lcd-mode: LCD mode to use with the display panel. + See for all the + possible values. + +Example: + +#include + +panel { + compatible = "sharp,ls020b1dd01d", "simple-panel"; + + backlight = <&backlight>; + power-supply = <&vcc>; + + ingenic,lcd-mode = ; + + port { + panel_input: endpoint { + remote-endpoint = <&panel_output>; + }; + }; +}; + + +lcd: lcd-controller@13050000 { + compatible = "ingenic,jz4725b-lcd"; + reg = <0x13050000 0x1000>; + + interrupt-parent = <&intc>; + interrupts = <31>; + + clocks = <&cgu JZ4725B_CLK_LCD>; + clock-names = "lcd"; + + port { + panel_output: endpoint { + remote-endpoint = <&panel_input>; + }; + }; +}; -- 2.11.0