From patchwork Wed May 4 15:35:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markuss Broks X-Patchwork-Id: 570635 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79A2AC433EF for ; Wed, 4 May 2022 15:36:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352227AbiEDPkB (ORCPT ); Wed, 4 May 2022 11:40:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352537AbiEDPkA (ORCPT ); Wed, 4 May 2022 11:40:00 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DC8217A9E; Wed, 4 May 2022 08:36:23 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id m2-20020a1ca302000000b003943bc63f98so1064598wme.4; Wed, 04 May 2022 08:36:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=+g3/kFp2BcJ8klcp8dJ2wc48A2yBJ27fCRVoDzsEKvA=; b=VE60Ob8XXNXOcrU2bgAse7cR3hIdCzEJ/NFP+pyENMSWgogm6a+bUW61tDmDQ8Vt1H ufB1J4BCQ+MXjHjmDA30u2bD/whHuyla0CSlH6XFX5Y5L8E+ES3+r1JEXKIWlkg1b2R3 lk9UUtaAIHCwMyMzF8hPnLfdt7z5N36mTt1YR+OqBqIhC4ZKjrRttXPfX9qcb2I9Oq8D tRUN4DBA7Y7Stm8onhLV/IQBK/qCAGanhqsWToRpTK2Y4+0p+8rbVI05DlL8r9oP0vUo Im7W3Z+Do0X5m9egzXKZv9BGr70UsWg9yzPx33VvBOSm+Jy1FoSagL66QmEYEGaIph+I W2Dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=+g3/kFp2BcJ8klcp8dJ2wc48A2yBJ27fCRVoDzsEKvA=; b=sD8o6L6WJ273qgssbPlrrhIbA7EymSdxQO+WpPYZ5+p1NQbn12CTdvfjTEFJxrZydx elCkQ+4DNdeYIVcbua4yKGKjNuJ5QYHo0eporhmL6qwRZxJnJSRudBdOx7JyI2vYALvK 5Rq3q0bDpuf4UynJsBcT6g8/Mai4FA21G1LVKre+XONXlPcgBhMLWHLpVKeZUrKzmjEv 43lTQ0UpNLLmymJS1z2FPA0PjzLq/2pD9TREZTyhADcqDhlymBN6PhlJrlYQjqCtpQB5 +y9IT59RR68FMOQNduReJm0UnfGRSrcYWjGmqdwLmM459ISIwJdl/ef/l9tvbhZbv/Vo YIbA== X-Gm-Message-State: AOAM531jMkeZ2JqAqyHOtn9Z3iwoinXNjnzYSOVpumYWZx8g6rR+80F/ KRVXhMXeDWP4z1VMXsLsA68= X-Google-Smtp-Source: ABdhPJxW21qgHdkZoXmAPpQ000oQAjvkhsPY7Xqwozjze1JZmItaw4jxIYf3FjJUUMQeE52QPhgz+w== X-Received: by 2002:a05:600c:2f0f:b0:393:fbd1:cc94 with SMTP id r15-20020a05600c2f0f00b00393fbd1cc94mr35099wmn.162.1651678582216; Wed, 04 May 2022 08:36:22 -0700 (PDT) Received: from nergzd-desktop.localdomain ([194.39.226.133]) by smtp.gmail.com with ESMTPSA id e13-20020adfa44d000000b0020c5253d8c0sm11955838wra.12.2022.05.04.08.36.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 May 2022 08:36:21 -0700 (PDT) From: Markuss Broks To: pavel@ucw.cz Cc: Markuss Broks , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Linus Walleij , Christophe JAILLET , Lad Prabhakar , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND v6 (corrected) 1/2] dt-bindings: leds: convert ktd2692 bindings to yaml Date: Wed, 4 May 2022 18:35:33 +0300 Message-Id: <20220504153536.10749-2-markuss.broks@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220504153536.10749-1-markuss.broks@gmail.com> References: <20220504153536.10749-1-markuss.broks@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org This patch converts the leds-ktd2692.txt bindings to modern yaml style device-tree bindings. Reviewed-by: Andy Shevchenko Signed-off-by: Markuss Broks --- .../bindings/leds/kinetic,ktd2692.yaml | 87 +++++++++++++++++++ .../devicetree/bindings/leds/leds-ktd2692.txt | 50 ----------- 2 files changed, 87 insertions(+), 50 deletions(-) create mode 100644 Documentation/devicetree/bindings/leds/kinetic,ktd2692.yaml delete mode 100644 Documentation/devicetree/bindings/leds/leds-ktd2692.txt diff --git a/Documentation/devicetree/bindings/leds/kinetic,ktd2692.yaml b/Documentation/devicetree/bindings/leds/kinetic,ktd2692.yaml new file mode 100644 index 000000000000..bac95a51afa1 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/kinetic,ktd2692.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/kinetic,ktd2692.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: KTD2692 Flash LED Driver from Kinetic Technologies + +maintainers: + - Markuss Broks + +description: | + KTD2692 is the ideal power solution for high-power flash LEDs. + It uses ExpressWire single-wire programming for maximum flexibility. + + The ExpressWire interface through CTRL pin can control LED on/off and + enable/disable the IC, Movie(max 1/3 of Flash current) / Flash mode current, + Flash timeout, LVP(low voltage protection). + + Also, When the AUX pin is pulled high while CTRL pin is high, + LED current will be ramped up to the flash-mode current level. + +properties: + compatible: + const: kinetic,ktd2692 + + ctrl-gpios: + maxItems: 1 + description: Specifier of the GPIO connected to CTRL pin. + + aux-gpios: + maxItems: 1 + description: Specifier of the GPIO connected to CTRL pin. + + vin-supply: + description: LED supply (2.7V to 5.5V). + + led: + type: object + $ref: common.yaml# + description: Properties for the LED. + properties: + function: true + color: true + flash-max-timeout-us: + description: Flash LED maximum timeout. + + led-max-microamp: + maximum: 300000 + description: Minimum Threshold for Timer protection + is defined internally (Maximum 300mA). + + flash-max-microamp: + maximum: 300000 + description: Flash LED maximum current + Formula - I(uA) = 15000000 / Rset. + + additionalProperties: false + +required: + - compatible + - ctrl-gpios + - led + +additionalProperties: false + +examples: + - | + #include + #include + + ktd2692 { + compatible = "kinetic,ktd2692"; + ctrl-gpios = <&gpc0 1 0>; + aux-gpios = <&gpc0 2 0>; + vin-supply = <&vbat>; + + led { + function = LED_FUNCTION_FLASH; + color = ; + flash-max-timeout-us = <250000>; + flash-max-microamp = <150000>; + led-max-microamp = <25000>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/leds/leds-ktd2692.txt b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt deleted file mode 100644 index 853737452580..000000000000 --- a/Documentation/devicetree/bindings/leds/leds-ktd2692.txt +++ /dev/null @@ -1,50 +0,0 @@ -* Kinetic Technologies - KTD2692 Flash LED Driver - -KTD2692 is the ideal power solution for high-power flash LEDs. -It uses ExpressWire single-wire programming for maximum flexibility. - -The ExpressWire interface through CTRL pin can control LED on/off and -enable/disable the IC, Movie(max 1/3 of Flash current) / Flash mode current, -Flash timeout, LVP(low voltage protection). - -Also, When the AUX pin is pulled high while CTRL pin is high, -LED current will be ramped up to the flash-mode current level. - -Required properties: -- compatible : Should be "kinetic,ktd2692". -- ctrl-gpios : Specifier of the GPIO connected to CTRL pin. -- aux-gpios : Specifier of the GPIO connected to AUX pin. - -Optional properties: -- vin-supply : "vin" LED supply (2.7V to 5.5V). - See Documentation/devicetree/bindings/regulator/regulator.txt - -A discrete LED element connected to the device must be represented by a child -node - See Documentation/devicetree/bindings/leds/common.txt - -Required properties for flash LED child nodes: - See Documentation/devicetree/bindings/leds/common.txt -- led-max-microamp : Minimum Threshold for Timer protection - is defined internally (Maximum 300mA). -- flash-max-microamp : Flash LED maximum current - Formula : I(mA) = 15000 / Rset. -- flash-max-timeout-us : Flash LED maximum timeout. - -Optional properties for flash LED child nodes: -- label : See Documentation/devicetree/bindings/leds/common.txt - -Example: - -ktd2692 { - compatible = "kinetic,ktd2692"; - ctrl-gpios = <&gpc0 1 0>; - aux-gpios = <&gpc0 2 0>; - vin-supply = <&vbat>; - - flash-led { - label = "ktd2692-flash"; - led-max-microamp = <300000>; - flash-max-microamp = <1500000>; - flash-max-timeout-us = <1835000>; - }; -};