From patchwork Wed Mar 4 13:08:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kiran Gunda X-Patchwork-Id: 209153 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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 33147C3F2CD for ; Wed, 4 Mar 2020 13:09:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E34FC20838 for ; Wed, 4 Mar 2020 13:09:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="iZvSY3Cx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388087AbgCDNJb (ORCPT ); Wed, 4 Mar 2020 08:09:31 -0500 Received: from mail26.static.mailgun.info ([104.130.122.26]:39663 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388029AbgCDNJb (ORCPT ); Wed, 4 Mar 2020 08:09:31 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1583327370; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=wMMrzD7T/RIwHvzv+Ze2mZTFGghdcHPfBa6bIbLUCGs=; b=iZvSY3Cx6WL9ci2izJiqZUfXluV9dAJZdPl89MYx6Y0MOBqIRbRtcHoyIqbAJkWBkEBP5Tt7 6XyUuMG0TtKZmxGXjbZ9QnXkc6Pbgq8kphNb6PspMaTOGOanqAQz9XVVIqMVqS0KTrfnq76f oFUWouWcyHnNQ/TfkeE0CZEMiYc= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyJkODczOCIsICJsaW51eC1sZWRzQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e5fa885.7f8e98226ca8-smtp-out-n02; Wed, 04 Mar 2020 13:09:25 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id A035EC433A2; Wed, 4 Mar 2020 13:09:23 +0000 (UTC) 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) by smtp.codeaurora.org (Postfix) with ESMTPSA id B2F55C43383; Wed, 4 Mar 2020 13:09:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B2F55C43383 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.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@linaro.org, jacek.anaszewski@gmail.com, pavel@ucw.cz, robh+dt@kernel.org, mark.rutland@arm.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dan Murphy Cc: linux-arm-msm@vger.kernel.org, Kiran Gunda Subject: [PATCH V2 1/2] backlight: qcom-wled: convert the wled bindings to .yaml format Date: Wed, 4 Mar 2020 18:38:54 +0530 Message-Id: <1583327335-26899-2-git-send-email-kgunda@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1583327335-26899-1-git-send-email-kgunda@codeaurora.org> References: <1583327335-26899-1-git-send-email-kgunda@codeaurora.org> Sender: linux-leds-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Convert the qcom-wled bindings from .txt to .yaml format. Signed-off-by: Kiran Gunda --- .../bindings/leds/backlight/qcom-wled.txt | 154 ----------------- .../bindings/leds/backlight/qcom-wled.yaml | 184 +++++++++++++++++++++ 2 files changed, 184 insertions(+), 154 deletions(-) delete mode 100644 Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt create mode 100644 Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt deleted file mode 100644 index c06863b..0000000 --- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt +++ /dev/null @@ -1,154 +0,0 @@ -Binding for Qualcomm Technologies, Inc. WLED driver - -WLED (White Light Emitting Diode) driver is used for controlling display -backlight that is part of PMIC on Qualcomm Technologies, Inc. reference -platforms. The PMIC is connected to the host processor via SPMI bus. - -- compatible - Usage: required - Value type: - Definition: should be one of: - "qcom,pm8941-wled" - "qcom,pmi8998-wled" - "qcom,pm660l-wled" - -- reg - Usage: required - Value type: - Definition: Base address of the WLED modules. - -- default-brightness - Usage: optional - Value type: - Definition: brightness value on boot, value from: 0-4095. - Default: 2048 - -- label - Usage: required - Value type: - Definition: The name of the backlight device - -- qcom,cs-out - Usage: optional - Value type: - Definition: enable current sink output. - This property is supported only for PM8941. - -- qcom,cabc - Usage: optional - Value type: - Definition: enable content adaptive backlight control. - -- qcom,ext-gen - Usage: optional - Value type: - Definition: use externally generated modulator signal to dim. - This property is supported only for PM8941. - -- qcom,current-limit - Usage: optional - Value type: - 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 25 mA. - -- qcom,current-boost-limit - Usage: optional - Value type: - Definition: mA; boost current limit. - For pm8941: one of: 105, 385, 525, 805, 980, 1260, 1400, - 1680. Default: 805 mA. - For pmi8998: one of: 105, 280, 450, 620, 970, 1150, 1300, - 1500. Default: 970 mA. - -- qcom,switching-freq - Usage: optional - Value type: - Definition: kHz; switching frequency; one of: 600, 640, 685, 738, - 800, 872, 960, 1066, 1200, 1371, 1600, 1920, 2400, 3200, - 4800, 9600. - Default: for pm8941: 1600 kHz - for pmi8998: 800 kHz - -- qcom,ovp - Usage: optional - Value type: - Definition: V; Over-voltage protection limit; one of: - 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: For PM8941 from 1 to 3. Default: 2 - For PMI8998 from 1 to 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. - -- 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: - -pm8941-wled@d800 { - compatible = "qcom,pm8941-wled"; - reg = <0xd800>; - label = "backlight"; - - qcom,cs-out; - qcom,current-limit = <20>; - qcom,current-boost-limit = <805>; - qcom,switching-freq = <1600>; - qcom,ovp = <29>; - qcom,num-strings = <2>; - qcom,enabled-strings = <0 1>; -}; diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml new file mode 100644 index 0000000..d334f81 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml @@ -0,0 +1,184 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/leds/backlight/qcom-wled.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binding for Qualcomm Technologies, Inc. WLED driver + +maintainers: + - Lee Jones + +description: | + WLED (White Light Emitting Diode) driver is used for controlling display + backlight that is part of PMIC on Qualcomm Technologies, Inc. reference + platforms. The PMIC is connected to the host processor via SPMI bus. + +properties: + compatible : + enum: + - qcom,pm8941-wled + - qcom,pmi8998-wled + - qcom,pm660l-wled + + reg: + maxItems: 1 + + default-brightness: + maxItems: 1 + description: + brightness value on boot, value from 0-4095. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + default: 2048 + + label: + maxItems: 1 + description: + The name of the backlight device. + allOf: + - $ref: /schemas/types.yaml#/definitions/string + + qcom,cs-out: + description: + enable current sink output. + This property is supported only for PM8941. + type: boolean + + qcom,cabc: + description: + enable content adaptive backlight control. + type: boolean + + qcom,ext-gen: + description: + use externally generated modulator signal to dim. + This property is supported only for PM8941. + type: boolean + + qcom,current-limit: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + mA; per-string current limit; value from 0 to 25 with + 1 mA step. This property is supported only for pm8941. + default: 20 + + qcom,current-limit-microamp: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + uA; per-string current limit; value from 0 to 30000 with + 2500 uA step. + default: 25 + + qcom,current-boost-limit: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + mA; boost current limit. + For pm8941 one of 105, 385, 525, 805, 980, 1260, 1400, 1680. + Default, 805 mA. + For pmi8998 one of 105, 280, 450, 620, 970, 1150, 1300, + 1500. Default 970 mA. + + qcom,switching-freq: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + kHz; switching frequency; one of 600, 640, 685, 738, + 800, 872, 960, 1066, 1200, 1371, 1600, 1920, 2400, 3200, + 4800, 9600. + Default for pm8941 1600 kHz + for pmi8998 800 kHz + + qcom,ovp: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + V; Over-voltage protection limit; one of 27, 29, 32, 35. Default 29V + This property is supported only for PM8941. + + qcom,ovp-millivolt: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + 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: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + number of led strings attached; + value for PM8941 from 1 to 3. Default 2 + For PMI8998 from 1 to 4. + + interrupts: + maxItems: 2 + description: + 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: + description: + Interrupt names associated with the interrupts. + Must be "short" and "ovp". The short circuit detection + is not supported for PM8941. + + qcom,enabled-strings: + maxItems: 1 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + description: + 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. + + qcom,external-pfet: + description: + Specify if external PFET control for short circuit + protection is used. This property is supported only + for PMI8998. + type: boolean + + qcom,auto-string-detection: + description: + Enables auto-detection of the WLED string configuration. + This feature is not supported for PM8941. + type: boolean + +required: + - compatible + - reg + - label + +examples: + - | + pm8941-wled@d800 { + compatible = "qcom,pm8941-wled"; + reg = <0xd800 0x100>; + label = "backlight"; + + qcom,cs-out; + qcom,current-limit = <20>; + qcom,current-boost-limit = <805>; + qcom,switching-freq = <1600>; + qcom,ovp = <29>; + qcom,num-strings = <2>; + qcom,enabled-strings = <0 1>; + };