From patchwork Wed Sep 9 00:12:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Dannenberg X-Patchwork-Id: 515653 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 392671400B7 for ; Wed, 9 Sep 2015 10:14:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754323AbbIIAOV (ORCPT ); Tue, 8 Sep 2015 20:14:21 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:53501 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754315AbbIIAOU (ORCPT ); Tue, 8 Sep 2015 20:14:20 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id t890DscH010942; Tue, 8 Sep 2015 19:13:54 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id t890DsAN022992; Tue, 8 Sep 2015 19:13:54 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.224.2; Tue, 8 Sep 2015 19:13:46 -0500 Received: from beast.tx.rr.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t890D0SC019642; Tue, 8 Sep 2015 19:13:49 -0500 From: Andreas Dannenberg To: Sebastian Reichel , Dmitry Eremin-Solenikov , David Woodhouse , Laurentiu Palcu , Krzysztof Kozlowski CC: , , Andreas Dannenberg Subject: [PATCH v2 13/13] dt: power: bq2425x-charger: Cover additional devices Date: Tue, 8 Sep 2015 19:12:37 -0500 Message-ID: <1441757557-7266-14-git-send-email-dannenberg@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1441757557-7266-1-git-send-email-dannenberg@ti.com> References: <1441757557-7266-1-git-send-email-dannenberg@ti.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Extend the bq2425x charger's device tree documentation to cover the bq24250 and bq24257 devices as well as recent feature additions. Signed-off-by: Andreas Dannenberg --- .../devicetree/bindings/power/bq24257.txt | 21 ------- .../devicetree/bindings/power/bq2425x.txt | 70 ++++++++++++++++++++++ 2 files changed, 70 insertions(+), 21 deletions(-) delete mode 100644 Documentation/devicetree/bindings/power/bq24257.txt create mode 100644 Documentation/devicetree/bindings/power/bq2425x.txt diff --git a/Documentation/devicetree/bindings/power/bq24257.txt b/Documentation/devicetree/bindings/power/bq24257.txt deleted file mode 100644 index 5c9d394..0000000 --- a/Documentation/devicetree/bindings/power/bq24257.txt +++ /dev/null @@ -1,21 +0,0 @@ -Binding for TI bq24257 Li-Ion Charger - -Required properties: -- compatible: Should contain one of the following: - * "ti,bq24257" -- reg: integer, i2c address of the device. -- ti,battery-regulation-voltage: integer, maximum charging voltage in uV. -- ti,charge-current: integer, maximum charging current in uA. -- ti,termination-current: integer, charge will be terminated when current in - constant-voltage phase drops below this value (in uA). - -Example: - -bq24257 { - compatible = "ti,bq24257"; - reg = <0x6a>; - - ti,battery-regulation-voltage = <4200000>; - ti,charge-current = <1000000>; - ti,termination-current = <50000>; -}; diff --git a/Documentation/devicetree/bindings/power/bq2425x.txt b/Documentation/devicetree/bindings/power/bq2425x.txt new file mode 100644 index 0000000..3e171c3 --- /dev/null +++ b/Documentation/devicetree/bindings/power/bq2425x.txt @@ -0,0 +1,70 @@ +Binding for TI bq2425x Li-Ion Charger + +Required properties: +- compatible: Should contain one of the following: + * "ti,bq24250" + * "ti,bq24251" + * "ti,bq24257" +- reg: integer, i2c address of the device. +- stat-gpios: GPIO used for the devices STAT_IN pin. Alternatively the pin can + also be defined through the standard interrupt definition properties (see + optional properties section below). Only use one method. +- ti,battery-regulation-voltage: integer, maximum charging voltage in uV. +- ti,charge-current: integer, maximum charging current in uA. +- ti,termination-current: integer, charge will be terminated when current in + constant-voltage phase drops below this value (in uA). + +Optional properties: +- pg-gpios: GPIO used for connecting the bq2425x device PG (Power Good) pin. + This pin is not available on all devices however it should be used if + possible as this is the recommended way to obtain the charger's input PG + state. If this pin is not specified a software-based approach for PG + detection is used. +- ti,current-limit: The maximum current to be drawn from the charger's input + (in uA). If this property is not specified a USB D+/D- signal based charger + type detection is used (if available) and the input limit current is set + accordingly. If the D+/D- based detection is not available on a given device + a default of 500,000 is used (=500mA). +- ti,ovp-voltage: Configures the over voltage protection voltage (in uV). If + not specified a default of 6,5000,000 (=6.5V) is used. +- ti,in-dpm-voltage: Configures the threshold input voltage for the dynamic + power path management (in uV). If not specified a default of 4,360,000 + (=4.36V) is used. +- ti,safety-timer-2x-enable: If this property is set to 1 the device's safety + timer is extended (slowed down) by a factor of two. Setting this property + to 0 or not providing it will leave the safety timer at its default + setting. +- interrupt-parent: Should be the phandle for the interrupt controller. Use in + conjunction with "interrupts" and only in case "stat-gpios" is not used. +- interrupts: Interrupt mapping for GPIO IRQ (configure for both edges). Use in + conjunction with "interrupt-parent" and only in case "stat-gpios" is not + used. + +Example: + +bq24257 { + compatible = "ti,bq24257"; + reg = <0x6a>; + stat-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>; + pg-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + + ti,battery-regulation-voltage = <4200000>; + ti,charge-current = <1000000>; + ti,termination-current = <50000>; +}; + +Example: + +bq24250 { + compatible = "ti,bq24250"; + reg = <0x6a>; + interrupt-parent = <&gpio1>; + interrupts = <16 IRQ_TYPE_EDGE_BOTH>; + + ti,battery-regulation-voltage = <4200000>; + ti,charge-current = <500000>; + ti,termination-current = <50000>; + ti,current-limit = <900000>; + ti,ovp-voltage = <9500000>; + ti,in-dpm-voltage = <4440000>; +};