From patchwork Mon Jun 24 10:50:48 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kachhap X-Patchwork-Id: 2769991 X-Patchwork-Delegate: rui.zhang@intel.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id D281F9F245 for ; Mon, 24 Jun 2013 10:54:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D5CB9201C7 for ; Mon, 24 Jun 2013 10:54:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E2A1E201C3 for ; Mon, 24 Jun 2013 10:54:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753373Ab3FXKxG (ORCPT ); Mon, 24 Jun 2013 06:53:06 -0400 Received: from mail-pa0-f53.google.com ([209.85.220.53]:39361 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753365Ab3FXKxD (ORCPT ); Mon, 24 Jun 2013 06:53:03 -0400 Received: by mail-pa0-f53.google.com with SMTP id tj12so10754067pac.40 for ; Mon, 24 Jun 2013 03:53:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=J1u8jyUNYSyhnoXPGnsXOyda1iz8U5v8rbWYoU8AAKI=; b=FEGqN4n/PA4QD3uzt1n0VWYpsxrOmD3LRV0KONJ6n8kUf20vfUCkO4CK196ThIBZhq Oy6QgMHtIsWPa6ytbV1UdMY+h1d4AGBdlM8yG3XQPbqJGoRRZqZN39hpOPyH5vtqLqqv 9heIpKfeomPokAmlubltcVQQnwPKhZhD6lyBijEyV8UE7ud5rlGKrFc5dxt3R7nwej5G OjcqiQIJ7w0c+J66871PooY2cNwJJxhOFNzBX25BLOULnyDlXfShOc0vUdDIXEJoTO8j Cslc5TznbEzFobd+8/H4q0hEouYAkuj7+JP4GLedt1ASiT3FxihI9agzrOwYZf7UdS9l RwQA== X-Received: by 10.68.203.161 with SMTP id kr1mr23026812pbc.192.1372071182880; Mon, 24 Jun 2013 03:53:02 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id tq8sm17631973pbc.30.2013.06.24.03.52.58 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 24 Jun 2013 03:53:01 -0700 (PDT) From: Amit Daniel Kachhap To: linux-pm@vger.kernel.org, Zhang Rui , Eduardo Valentin Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, amit.kachhap@gmail.com, Kukjin Kim Subject: [PATCH V7 27/30] ARM: dts: thermal: exynos: Add documentation for Exynos SoC thermal bindings Date: Mon, 24 Jun 2013 16:20:48 +0530 Message-Id: <1372071051-3167-28-git-send-email-amit.daniel@samsung.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1372071051-3167-1-git-send-email-amit.daniel@samsung.com> References: <1372071051-3167-1-git-send-email-amit.daniel@samsung.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Proper description for Exynos4 bindings added to Documentation/devicetree/ bindings. It adds description to use multiple TMU instances, optional voltage supply node and optional shared register across multiple TMU's. Acked-by: Jonghwa Lee Signed-off-by: Lukasz Majewski Signed-off-by: Kyungmin Park Signed-off-by: Amit Daniel Kachhap Acked-by: Eduardo Valentin --- .../devicetree/bindings/thermal/exynos-thermal.txt | 55 ++++++++++++++++++++ 1 files changed, 55 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/thermal/exynos-thermal.txt diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt new file mode 100644 index 0000000..284f530 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt @@ -0,0 +1,55 @@ +* Exynos Thermal Management Unit (TMU) + +** Required properties: + +- compatible : One of the following: + "samsung,exynos4412-tmu" + "samsung,exynos4210-tmu" + "samsung,exynos5250-tmu" + "samsung,exynos5440-tmu" +- interrupt-parent : The phandle for the interrupt controller +- reg : Address range of the thermal registers. For soc's which has multiple + instances of TMU and some registers are shared across all TMU's like + interrupt related then 2 set of register has to supplied. First set + belongs to each instance of TMU and second set belongs to common TMU + registers. +- interrupts : Should contain interrupt for thermal system +- clocks : The main clock for TMU device +- clock-names : Thermal system clock name +- vtmu-supply: This entry is optional and provides the regulator node supplying + voltage to TMU. If needed this entry can be placed inside + board/platform specific dts file. + +Example 1): + + tmu@100C0000 { + compatible = "samsung,exynos4412-tmu"; + interrupt-parent = <&combiner>; + reg = <0x100C0000 0x100>; + interrupts = <2 4>; + clocks = <&clock 383>; + clock-names = "tmu_apbif"; + status = "disabled"; + vtmu-supply = <&tmu_regulator_node>; + }; + +Example 2): + + tmuctrl_0: tmuctrl@160118 { + compatible = "samsung,exynos5440-tmu"; + reg = <0x160118 0x230>, <0x160368 0x10>; + interrupts = <0 58 0>; + clocks = <&clock 21>; + clock-names = "tmu_apbif"; + }; + +Note: For multi-instance tmu each instance should have an alias correctly +numbered in "aliases" node. + +Example: + +aliases { + tmuctrl0 = &tmuctrl_0; + tmuctrl1 = &tmuctrl_1; + tmuctrl2 = &tmuctrl_2; +};