From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932593AbeCIXOi (ORCPT ); Fri, 9 Mar 2018 18:14:38 -0500 Received: from mail-ot0-f194.google.com ([74.125.82.194]:40496 "EHLO mail-ot0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932276AbeCIXOg (ORCPT ); Fri, 9 Mar 2018 18:14:36 -0500 X-Google-Smtp-Source: AG47ELu5v2Bjv4y2BHrG3IGkYoRuTl6genlBcT3ncDOW/2XUr4TSKvpZ22a3SI8zmpIvbh38pIC7pw== Date: Fri, 9 Mar 2018 17:14:33 -0600 From: Rob Herring To: Tim Harvey Cc: Lee Jones , Mark Rutland , Mark Brown , Dmitry Torokhov , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org, linux-input@vger.kernel.org Subject: Re: [PATCH v2 1/4] dt-bindings: mfd: Add Gateworks System Controller bindings Message-ID: <20180309231433.tmlfy6vwbkvopmwd@rob-hp-laptop> References: <1520287361-12569-1-git-send-email-tharvey@gateworks.com> <1520287361-12569-2-git-send-email-tharvey@gateworks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1520287361-12569-2-git-send-email-tharvey@gateworks.com> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 05, 2018 at 02:02:38PM -0800, Tim Harvey wrote: > This patch adds documentation of device-tree bindings for the > Gateworks System Controller (GSC). > > Signed-off-by: Tim Harvey > --- > Documentation/devicetree/bindings/mfd/gsc.txt | 159 ++++++++++++++++++++++++++ > 1 file changed, 159 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/gsc.txt > > diff --git a/Documentation/devicetree/bindings/mfd/gsc.txt b/Documentation/devicetree/bindings/mfd/gsc.txt > new file mode 100644 > index 0000000..fe5d114 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/gsc.txt > @@ -0,0 +1,159 @@ > +Gateworks System Controller multi-function device > + > +The GSC is a Multifunction I2C slave device with the following submodules: > +- WDT > +- GPIO > +- Pushbutton controller > +- HWMON > + > +Required properties: > +- compatible : Must be "gw,gsc_v1", "gw,gsc_v2", "gw,gsc_v3" s/_/-/ > +- reg: I2C address of the device > +- interrupts: interrupt triggered by GSC_IRQ# signal > +- interrupt-parent: Interrupt controller GSC is connected to > +- #interrupt-cells: should be <1>, index of the interrupt within the > + controller, in accordance with the "one cell" variant of > + > + > +Optional nodes: > +* watchdog: > +The GSC provides a Watchdog monitor which can power cycle the board's > +primary power supply on most board models when tripped. > + > +Required properties: > +- compatible: must be "gw,gsc-watchdog" > + > +* input: > +The GSC provides an input device capable of dispatching Linux Input events Linux details that are not relevant to the binding. > +for user pushbutton events, tamper switch events, etc. > + > +Required properties: > +- compatible: must be "gw,gsc-input" > + > +* hwmon: > +The GSC provides a set of Analog to Digitcal Converter (ADC) pins used for > +temperature and/or voltage monitoring. > + > +Required properties: > +- compatible: must be "gw,gsc-hwmon" > + > +Example: > + > + gsc: gsc@20 { > + compatible = "gw,gsc_v2"; > + reg = <0x20>; > + interrupt-parent = <&gpio1>; > + interrupts = <4 GPIO_ACTIVE_LOW>; > + interrupt-controller; > + #interrupt-cells = <1>; > + > + gsc_input { input { > + compatible = "gw,gsc-input"; > + }; > + > + gsc_watchdog { watchdog { > + compatible = "gw,gsc-watchdog"; > + }; > + > + gsc_hwmon { hwmon { > + compatible = "gw,gsc-hwmon"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + hwmon@0 { /* A0: Board Temperature */ > + type = <0>; Not documented. > + reg = <0x00>; > + label = "temp"; > + }; > + > + hwmon@1 { /* A1: Input Voltage */ > + type = <1>; > + reg = <0x02>; > + label = "Vin"; > + }; > + > + hwmon@2 { /* A2: 5P0 */ > + type = <1>; > + reg = <0x0b>; > + label = "5P0"; > + }; > + > + hwmon@4 { /* A4: 0-5V input */ > + type = <1>; > + reg = <0x14>; > + label = "ANL0"; > + }; > + > + hwmon@5 { /* A5: 2P5 PCIe/GigE */ > + type = <1>; > + reg = <0x23>; > + label = "2P5"; > + }; > + > + hwmon@6 { /* A6: 1P8 Aud/Vid */ > + type = <1>; > + reg = <0x1d>; > + label = "1P8"; > + }; > + > + hwmon@7 { /* A7: GPS */ > + type = <1>; > + reg = <0x26>; > + label = "GPS"; > + }; > + > + hwmon@12 { /* A12: VDD_CORE */ > + type = <1>; > + reg = <0x3>; > + label = "VDD_CORE"; > + }; > + > + hwmon@13 { /* A13: VDD_SOC */ > + type = <1>; > + reg = <0x11>; > + label = "VDD_SOC"; > + }; > + > + hwmon@14 { /* A14: 1P0 PCIe SW */ > + type = <1>; > + reg = <0x20>; > + label = "1P0"; > + }; > + > + hwmon@15 { /* fan0 */ > + type = <2>; > + reg = <0x2c>; > + label = "fan_50p"; > + }; > + > + hwmon@16 { /* fan1 */ > + type = <2>; > + reg = <0x2e>; > + label = "fan_60p"; > + }; > + > + hwmon@17 { /* fan2 */ > + type = <2>; > + reg = <0x30>; > + label = "fan_70p"; > + }; > + > + hwmon@18 { /* fan3 */ > + type = <2>; > + reg = <0x32>; > + label = "fan_80p"; > + }; > + > + hwmon@19 { /* fan4 */ > + type = <2>; > + reg = <0x34>; > + label = "fan_90p"; > + }; > + > + hwmon@20 { /* fan5 */ > + type = <2>; > + reg = <0x36>; > + label = "fan_100p"; > + }; > + }; > + }; > -- > 2.7.4 >