From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 504A5C5CFC1 for ; Tue, 19 Jun 2018 11:15:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 004872075E for ; Tue, 19 Jun 2018 11:15:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="Cn5y3fC/"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="Up56Nea9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 004872075E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937690AbeFSLPG (ORCPT ); Tue, 19 Jun 2018 07:15:06 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:57846 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936108AbeFSLPD (ORCPT ); Tue, 19 Jun 2018 07:15:03 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 0CC4460B22; Tue, 19 Jun 2018 11:15:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1529406903; bh=zLzfmx6mH4nMgqEEmbVZ85m35oEf6TFlc0nMU0x9lMY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cn5y3fC/Vd+9jASBmAWhXI8QyzxWq1ooV2n4TiOy/N3RoCPi+sJSK9Mo8g/3eXG7t RlujI8WC+8J45o5nJWx6Lrg/7XjcDp3+H/adXyMhtG/qBTxD28TddSNhvqm1soJpZR Lpe5/pEqRA+ujQSqqCWZBfrmxuglaqUa7NG3yjTI= Received: from kgunda-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: kgunda@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 76D9460558; Tue, 19 Jun 2018 11:14:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1529406901; bh=zLzfmx6mH4nMgqEEmbVZ85m35oEf6TFlc0nMU0x9lMY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Up56Nea9jMY55O+osWQgk1ndqAN0p2NluDGd03tZQ6hOSV3prn5UV6usMa3E2d7BS QEwGW4/Qy0VbTljAWmt0Wlk+fNwFQ6gCy7eGZXWDiViyK1I4nU+NmNE8UA7aItMcAZ fNywQlyfyBH/cPRlEJISz0z5EIe2Hpv8kD7f4+uc= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 76D9460558 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=kgunda@codeaurora.org From: Kiran Gunda To: bjorn.andersson@linaro.org, jingoohan1@gmail.com, lee.jones@linaro.org, b.zolnierkie@samsung.com, dri-devel@lists.freedesktop.org, Daniel Thompson , Jacek Anaszewski , Pavel Machek , Rob Herring , Mark Rutland , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, Kiran Gunda Subject: [PATCH V3 3/7] backlight: qcom-wled: Add new properties for PMI8998 Date: Tue, 19 Jun 2018 16:43:38 +0530 Message-Id: <1529406822-15379-4-git-send-email-kgunda@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1529406822-15379-1-git-send-email-kgunda@codeaurora.org> References: <1529406822-15379-1-git-send-email-kgunda@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update the bindings with the new properties used for PMI8998. Signed-off-by: Kiran Gunda --- .../bindings/leds/backlight/qcom-wled.txt | 84 ++++++++++++++++++++-- 1 file changed, 77 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt index 14f28f2..503ce87 100644 --- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt +++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt @@ -48,11 +48,15 @@ platforms. The PMIC is connected to the host processor via SPMI bus. - qcom,current-limit Usage: optional Value type: - Definition: mA; per-string current limit - value: For pm8941: from 0 to 25 with 5 mA step - Default 20 mA. - For pmi8998: from 0 to 30 with 5 mA step - Default 25 mA. + Definition: mA; per-string current limit; value from 0 to 25 with + 1 mA step. Default 20 mA. + This property is supported only for pm8941. + +- qcom,current-limit-microamp + Usage: optional + Value type: + Definition: uA; per-string current limit; value from 0 to 30000 with + 2500 uA step. Default 25000 uA. - qcom,current-boost-limit Usage: optional @@ -79,12 +83,61 @@ platforms. The PMIC is connected to the host processor via SPMI bus. 27, 29, 32, 35. default: 29V This property is supported only for PM8941. +- qcom,ovp-millivolt + Usage: optional + Value type: + Definition: mV; Over-voltage protection limit; + For pmi8998: one of 18100, 19600, 29600, 31100 + Default: 29600 mV + If this property is not specified for PM8941, it + falls back to "qcom,ovp" property. + - qcom,num-strings Usage: optional Value type: Definition: #; number of led strings attached; - value from 1 to 3. default: 2 - This property is supported only for PM8941. + value: For PM8941 from 1 to 3. default: 2 + For PMI8998 from 1 to 4. default: 4 + +- interrupts + Usage: optional + Value type: + Definition: Interrupts associated with WLED. This should be + "short" and "ovp" interrupts. Interrupts can be + specified as per the encoding listed under + Documentation/devicetree/bindings/spmi/ + qcom,spmi-pmic-arb.txt. + +- interrupt-names + Usage: optional + Value type: + Definition: Interrupt names associated with the interrupts. + Must be "short" and "ovp". The short circuit detection + is not supported for PM8941. + +- qcom,enabled-strings + Usage: optional + Value tyoe: + Definition: Array of the WLED strings numbered from 0 to 3. Each + string of leds are operated individually. Specify the + list of strings used by the device. Any combination of + led strings can be used. + for pm8941: Default values are [00 01]. + for pmi8998: Default values are [00 01 02 03]. + +- qcom,external-pfet + Usage: optional + Value type: + Definition: Specify if external PFET control for short circuit + protection is used. This property is supported only + for PMI8998. + +- qcom,auto-string-detection + Usage: optional + Value type: + Definition: Enables auto-detection of the WLED string configuration. + This feature is not supported for PM8941. + Example: @@ -99,4 +152,21 @@ pm8941-wled@d800 { qcom,switching-freq = <1600>; qcom,ovp = <29>; qcom,num-strings = <2>; + qcom,enabled-strings = <0x00 0x01>; +}; + +pmi8998-wled@d800 { + compatible = "qcom,pmi8998-wled"; + reg = <0xd800 0xd900>; + label = "backlight"; + + interrupts = <3 0xd8 2 IRQ_TYPE_EDGE_RISING>, + <3 0xd8 1 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "short", "ovp"; + qcom,current-limit-microamp = <25000>; + qcom,current-boost-limit = <805>; + qcom,switching-freq = <1600>; + qcom,ovp-millivolt = <29600>; + qcom,num-strings = <4>; + qcom,enabled-strings = <0x00 0x01 0x02 0x03>; }; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project