From patchwork Wed Jun 23 03:50:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 466548 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 04043C48BE5 for ; Wed, 23 Jun 2021 03:51:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9C4861380 for ; Wed, 23 Jun 2021 03:51:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230160AbhFWDyE (ORCPT ); Tue, 22 Jun 2021 23:54:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229907AbhFWDyD (ORCPT ); Tue, 22 Jun 2021 23:54:03 -0400 Received: from mail-ot1-x336.google.com (mail-ot1-x336.google.com [IPv6:2607:f8b0:4864:20::336]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C2A7C061756 for ; Tue, 22 Jun 2021 20:51:46 -0700 (PDT) Received: by mail-ot1-x336.google.com with SMTP id v11-20020a9d340b0000b0290455f7b8b1dcso607204otb.7 for ; Tue, 22 Jun 2021 20:51:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DoiBj5BLfecwr4g0Pwg7h6z7bsywem+oXg3CJXF5nhU=; b=tUIMuIFCiV9gVf0yoXJoUl31hlsuLwoYj1vnTE97Ek1ls22yDASkuCTcd3ejZ19CJF kbwgjEGLSs29yWHy+BEjmI/qhnTgLEj1FC1mo6v4vfJtoLJdTYGePG806DBYXuMRQI/F 9E7WdNhdxSrVaYEuHJPaV1NFGL3cHb49BbynaDb4+fOxi73lJM7uwgjn4oNauUlGYs3F 6Vq1cmtH1HCDHKy9sY9xK5PbnJ3w2JWpyqdrmdBMlM6AudtTk7TwMknZ2wAx5ocYuF/p gQ1iV0KKBO2gc8broKEweO2Wn5p0zac1FNv/uQUDnB/mLItnyJqvJpyl87mGvOMzXTO9 FO+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DoiBj5BLfecwr4g0Pwg7h6z7bsywem+oXg3CJXF5nhU=; b=akoB8ygHnt9aU9q712QpilW/HFuvO1BUxPPGMAo4Avo+kzN5/OSZjieBQA7dK2B5OP JEXWtFZSpOpPKNTbU1FFr+AZDimOYLBsBOW7P7vcYmP4hT7CrB/D+1xHFBwyBrLhK3iP tZQHfg1MI8c8mu3mATe0tnt2RO77b0Zt8AFlWHjMvZd7yQGatr+Krdjuceh34mmgZK0z EB62junTwsdI70UqQbF3XxFlCXmi6aYyBi7ZeN1EWZF8HNPW+BXDrG7OGdrXON5LM9aJ zX8QKyzE3PAox5FgL2875rQlMT46yX/AHbrMgXVSW/6EXws3x5oyAy1ayG1Ok3qlRbfv SAHw== X-Gm-Message-State: AOAM531LX6UykxuJQb9IKBYEEXE7zQBcD3UDUQtwDli6n7b5FWH4aEF2 Wtp5WxCrKiq+slla2svukiS8tQ== X-Google-Smtp-Source: ABdhPJygjzi3fqM0808AIObNgKqbHPwiPFa0cNqsqsfP37hRyERe4J6jo1bqaNHoRMSmjTvkRZcccw== X-Received: by 2002:a05:6830:1208:: with SMTP id r8mr6048717otp.155.1624420305361; Tue, 22 Jun 2021 20:51:45 -0700 (PDT) Received: from localhost.localdomain (104-57-184-186.lightspeed.austtx.sbcglobal.net. [104.57.184.186]) by smtp.gmail.com with ESMTPSA id v82sm4752509oia.27.2021.06.22.20.51.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Jun 2021 20:51:44 -0700 (PDT) From: Bjorn Andersson To: Pavel Machek , Rob Herring , Andy Gross , Bjorn Andersson , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Lee Jones Cc: linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-pwm@vger.kernel.org, Marijn Suijten , Yassine Oudjana , Luca Weiss , Subbaraman Narayanamurthy Subject: [PATCH v9 1/2] dt-bindings: leds: Add Qualcomm Light Pulse Generator binding Date: Tue, 22 Jun 2021 20:50:38 -0700 Message-Id: <20210623035039.772660-1-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org This adds the binding document describing the three hardware blocks related to the Light Pulse Generator found in a wide range of Qualcomm PMICs. Signed-off-by: Bjorn Andersson --- Changes since v8: - None Changes since v7: - Added qcom,pmc8180c-lpg - Defined constraints for qcom,power-source - Changes qcom,dtest to matrix and added constraints - Changed example from LED_COLOR_ID_MULTI to LED_COLOR_ID_RGB .../bindings/leds/leds-qcom-lpg.yaml | 164 ++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml new file mode 100644 index 000000000000..10aee61a7ffc --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml @@ -0,0 +1,164 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Light Pulse Generator + +maintainers: + - Bjorn Andersson + +description: > + The Qualcomm Light Pulse Generator consists of three different hardware blocks; + a ramp generator with lookup table, the light pulse generator and a three + channel current sink. These blocks are found in a wide range of Qualcomm PMICs. + +properties: + compatible: + enum: + - qcom,pm8150b-lpg + - qcom,pm8150l-lpg + - qcom,pm8916-pwm + - qcom,pm8941-lpg + - qcom,pm8994-lpg + - qcom,pmc8180c-lpg + - qcom,pmi8994-lpg + - qcom,pmi8998-lpg + + "#pwm-cells": + const: 2 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + qcom,power-source: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + power-source used to drive the output, as defined in the datasheet. + Should be specified if the TRILED block is present + enum: [0, 1, 3] + + qcom,dtest: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + description: > + A list of integer pairs, where each pair represent the dtest line the + particular channel should be connected to and the flags denoting how the + value should be outputed, as defined in the datasheet. The number of + pairs should be the same as the number of channels. + items: + items: + - description: dtest line to attach + - description: flags for the attachment + + multi-led: + type: object + $ref: leds-class-multicolor.yaml# + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + "^led@[0-9a-f]$": + type: object + $ref: common.yaml# + +patternProperties: + "^led@[0-9a-f]$": + type: object + $ref: common.yaml# + + properties: + reg: true + + required: + - reg + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include + + lpg { + compatible = "qcom,pmi8994-lpg"; + + #address-cells = <1>; + #size-cells = <0>; + + qcom,power-source = <1>; + + qcom,dtest = <0 0>, + <0 0>, + <0 0>, + <4 1>; + + led@1 { + reg = <1>; + label = "green:user1"; + }; + + led@2 { + reg = <2>; + label = "green:user0"; + default-state = "on"; + }; + + led@3 { + reg = <3>; + label = "green:user2"; + }; + + led@4 { + reg = <4>; + label = "green:user3"; + }; + }; + - | + #include + + lpg { + compatible = "qcom,pmi8994-lpg"; + + #address-cells = <1>; + #size-cells = <0>; + + qcom,power-source = <1>; + + multi-led { + color = ; + function = LED_FUNCTION_STATUS; + + #address-cells = <1>; + #size-cells = <0>; + + led@1 { + reg = <1>; + color = ; + }; + + led@2 { + reg = <2>; + color = ; + }; + + led@3 { + reg = <3>; + color = ; + }; + }; + }; + - | + lpg { + compatible = "qcom,pm8916-pwm"; + #pwm-cells = <2>; + }; +...