From patchwork Wed Sep 17 03:59:11 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: caesar X-Patchwork-Id: 390278 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 59962140119 for ; Wed, 17 Sep 2014 14:00:24 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750834AbaIQEAW (ORCPT ); Wed, 17 Sep 2014 00:00:22 -0400 Received: from regular1.263xmail.com ([211.150.99.137]:52458 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750764AbaIQEAU (ORCPT ); Wed, 17 Sep 2014 00:00:20 -0400 Received: from wxt?rock-chips.com (unknown [192.168.167.172]) by regular1.263xmail.com (Postfix) with SMTP id 8EAE165D8; Wed, 17 Sep 2014 12:00:14 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ABS-CHECKED: 4 X-KSVirus-check: 0 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 6B3C54A4; Wed, 17 Sep 2014 12:00:10 +0800 (CST) X-RL-SENDER: wxt@rock-chips.com X-FST-TO: heiko@sntech.de X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: wxt@rock-chips.com X-UNIQUE-TAG: <0e417d5ead785d637fc98657559a3346> X-ATTACHMENT-NUM: 0 X-SENDER: wxt@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 3159208K48B; Wed, 17 Sep 2014 12:00:10 +0800 (CST) From: Caesar Wang To: heiko@sntech.de, rui.zhang@intel.com, edubezval@gmail.com, arnd@arndb.de Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, huangtao@rock-chips.com, cf@rock-chips.com, dianders@chromium.org, dtor@chromium.org, dmitry.torokhov@gmail.com, addy.ke@rock-chips.com, zyf@rock-chips.com, cjf@rock-chips.com, Caesar Wang Subject: [PATCH v5 2/4] dt-bindings: document Rockchip thermal Date: Wed, 17 Sep 2014 11:59:11 +0800 Message-Id: <1410926353-15674-3-git-send-email-caesar.wang@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1410926353-15674-1-git-send-email-caesar.wang@rock-chips.com> References: <1410926353-15674-1-git-send-email-caesar.wang@rock-chips.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This add the necessary binding documentation for the thermal found on Rockchip SoCs Signed-off-by: zhaoyifeng Signed-off-by: Caesar Wang --- .../bindings/thermal/rockchip-thermal.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/rockchip-thermal.txt diff --git a/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt new file mode 100644 index 0000000..6fc8bc3 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt @@ -0,0 +1,41 @@ +* Temperature Sensor ADC (TSADC) on rockchip SoCs + +Required properties: +- compatible: "rockchip,rk3288-tsadc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. +- clocks: Must contain an entry for each entry in clock-names. +- clock-names: Shall be "tsadc" for the converter-clock, and "apb_pclk" for + the peripheral clock. +- num-trips: number of total trip points, this is required, set it 0 if none, + if greater than 0, the following properties must be defined; +- tripN-temp: temperature of trip point N, should be in ascending order; +- tripN-type: type of trip point N, should be one of "active" "passive" "hot" + "critical"; +- tripN-cdev-num: number of the cooling devices which can be bound to trip + point N, this is required if trip point N is defined, set it 0 if none, + otherwise the following cooling device names must be defined; +- tripN-cdev-nameM: name of the No. M cooling device of trip point N; + +Example: +tsadc: tsadc@ff280000 { + compatible = "rockchip,rk3288-tsadc"; + reg = <0xff280000 0x100>; + interrupts = ; + clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>; + clock-names = "tsadc", "apb_pclk"; + + num-trips = <2>; + + trip0-temp = <80>; + trip0-type = "passive"; + trip0-cdev-num = <1>; + trip0-cdev-name0 = "thermal-cpufreq-0"; + + trip1-temp = <100>; + trip1-type = "critical"; + trip1-cdev-num = <1>; + trip1-cdev-name0 = "thermal-cpufreq-0"; +};