From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753711AbdDKVGQ (ORCPT ); Tue, 11 Apr 2017 17:06:16 -0400 Received: from vern.gendns.com ([206.190.152.46]:36295 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753585AbdDKVGC (ORCPT ); Tue, 11 Apr 2017 17:06:02 -0400 From: David Lechner To: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: David Lechner , Sebastian Reichel , Sekhar Nori , Kevin Hilman , linux-kernel@vger.kernel.org Subject: [PATCH v2 3/3] ARM: dts: da850: Add node for LEGO MINDSTORMS EV3 Battery Date: Tue, 11 Apr 2017 16:05:23 -0500 Message-Id: <1491944723-32174-4-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491944723-32174-1-git-send-email-david@lechnology.com> References: <1491944723-32174-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds a new node to the LEGO MINDSTORMS EV3 device tree for the battery. Signed-off-by: David Lechner --- arch/arm/boot/dts/da850-lego-ev3.dts | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts index c20580a..99cd561 100644 --- a/arch/arm/boot/dts/da850-lego-ev3.dts +++ b/arch/arm/boot/dts/da850-lego-ev3.dts @@ -172,6 +172,18 @@ gpio = <&gpio 111 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + /* + * The EV3 can use 6-AA batteries or a rechargeable Li-ion battery pack. + */ + battery { + pinctrl-names = "default"; + pintctrl-0 = <&battery_pins>; + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + }; }; &pmx_core { @@ -235,6 +247,15 @@ 0x34 0x00000008 0x0000000f >; }; + + battery_pins: pinmux_battery_pins { + pinctrl-single,bits = < + /* GP0[6] */ + 0x04 0x00000080 0x000000f0 + /* GP8[8] */ + 0x4c 0x00000080 0x000000f0 + >; + }; }; &pinconf { @@ -349,6 +370,13 @@ &gpio { status = "okay"; + + /* Don't pull down battery voltage adc io channel */ + batt_volt_en { + gpio-hog; + gpios = <6 GPIO_ACTIVE_HIGH>; + output-low; + }; }; &usb_phy { -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: david@lechnology.com (David Lechner) Date: Tue, 11 Apr 2017 16:05:23 -0500 Subject: [PATCH v2 3/3] ARM: dts: da850: Add node for LEGO MINDSTORMS EV3 Battery In-Reply-To: <1491944723-32174-1-git-send-email-david@lechnology.com> References: <1491944723-32174-1-git-send-email-david@lechnology.com> Message-ID: <1491944723-32174-4-git-send-email-david@lechnology.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This adds a new node to the LEGO MINDSTORMS EV3 device tree for the battery. Signed-off-by: David Lechner --- arch/arm/boot/dts/da850-lego-ev3.dts | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts index c20580a..99cd561 100644 --- a/arch/arm/boot/dts/da850-lego-ev3.dts +++ b/arch/arm/boot/dts/da850-lego-ev3.dts @@ -172,6 +172,18 @@ gpio = <&gpio 111 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + /* + * The EV3 can use 6-AA batteries or a rechargeable Li-ion battery pack. + */ + battery { + pinctrl-names = "default"; + pintctrl-0 = <&battery_pins>; + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + }; }; &pmx_core { @@ -235,6 +247,15 @@ 0x34 0x00000008 0x0000000f >; }; + + battery_pins: pinmux_battery_pins { + pinctrl-single,bits = < + /* GP0[6] */ + 0x04 0x00000080 0x000000f0 + /* GP8[8] */ + 0x4c 0x00000080 0x000000f0 + >; + }; }; &pinconf { @@ -349,6 +370,13 @@ &gpio { status = "okay"; + + /* Don't pull down battery voltage adc io channel */ + batt_volt_en { + gpio-hog; + gpios = <6 GPIO_ACTIVE_HIGH>; + output-low; + }; }; &usb_phy { -- 2.7.4