From patchwork Wed Dec 7 04:09:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chuanhong Guo X-Patchwork-Id: 1712999 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=mFBaYqQb; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4NRkLz2dN8z23pB for ; Wed, 7 Dec 2022 15:09:31 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229685AbiLGEJ1 (ORCPT ); Tue, 6 Dec 2022 23:09:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49280 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229603AbiLGEJX (ORCPT ); Tue, 6 Dec 2022 23:09:23 -0500 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97DB44E6B6; Tue, 6 Dec 2022 20:09:22 -0800 (PST) Received: by mail-pg1-x534.google.com with SMTP id q71so15180640pgq.8; Tue, 06 Dec 2022 20:09:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=i76cNidMb9uGC4CAwhKLtXNE3wI2QcxYpZEpD1u1Q1s=; b=mFBaYqQbMTnqRYbRJV6ur40dCwgEs6PxrLe4ITOZ5srtXWXyYxdkv0ZUfXZAPpu8xE ZC+bZspLpDnkVYg4qW5+VCVltbF8BfTi349NHnGXWJHJFNYYNLKbplEpSG9LX9en5JD5 5RtkZRFwBLiH4EW2Il287r0H7r+F4YV/5+SPmWRMYTinlqu8VJkSeVCnIg6q9ZNk6EMe AOWVryJwj70sJ9sFFm2MKwb7ppLsOGAoaG5Hm0yeCZA34D9YEiVJ5Dt9445c3AHsMy97 PPV8KfzguT0YyN3u8GE6psAQNOmZxwWVaW97kZYWjdp5baC4lZ/R7K/ceDVESTnMdj4O mayw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=i76cNidMb9uGC4CAwhKLtXNE3wI2QcxYpZEpD1u1Q1s=; b=wdiP3kpYmjq4OZ7LIqRvJNY/S1M4aobS5YiMybRYvPMnyEZpQB48r0pZ69bjqq7ZRI TX8BpenlfOqTaN5oehmqUMbRbX8ICDo8BYb71emu7Zp84fP1JC4qz3ZvB4CJ7yf8+B3i XnZDXsOzqKACSW8FzRXFFpc7hbokm9FhFLdORSqoY/Z5CeE9CksDUuqQLCNB/ZVnbH+4 yh3h+jrUHTilEcGE0OEr/i1SD4MH/vKH0zcbB21fYTLOCO6Q4RBif2UhgBkfmqbYH0aC ff98cybKo7SuqNcs+Nk2kVz1thtrYrJx/5YIH1ojLGRd8MVgd1PgI6/771E1AZg91Ns1 gZIA== X-Gm-Message-State: ANoB5pn0tjG4d0/rfoljidoc2xcbFbZg1iFKtLZHiMNlzryEDPL7HhN5 6XGvCZxGXViZRlQBRgryNZXOBtSfWVU= X-Google-Smtp-Source: AA0mqf4EWXNZ4h6bTO9WwDVyprVxVYV4wOii6qrSYFqPt9zgrLtOBqgi2Gx1Ts4J1DCGsRtqpcwePQ== X-Received: by 2002:a65:64d1:0:b0:478:980a:53fb with SMTP id t17-20020a6564d1000000b00478980a53fbmr16881766pgv.484.1670386161965; Tue, 06 Dec 2022 20:09:21 -0800 (PST) Received: from guoguo-omen.lan ([2401:c080:1400:4da2:5400:3ff:feb4:7578]) by smtp.gmail.com with ESMTPSA id i15-20020a63130f000000b00478eb777d18sm587822pgl.72.2022.12.06.20.09.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Dec 2022 20:09:21 -0800 (PST) From: Chuanhong Guo To: linux-leds@vger.kernel.org Cc: Chuanhong Guo , Krzysztof Kozlowski , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Stanislav Jakubek , Linus Walleij , Shawn Guo , Johan Hovold , Bjorn Andersson , Marijn Suijten , Sven Schwermer , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v3 1/3] dt-bindings: vendor-prefixes: add an entry for WorldSemi Date: Wed, 7 Dec 2022 12:09:02 +0800 Message-Id: <20221207040904.582585-2-gch981213@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221207040904.582585-1-gch981213@gmail.com> References: <20221207040904.582585-1-gch981213@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add vendor prefix for WorldSemi that makes WS2812B individually-addressable RGB LEDs. Signed-off-by: Chuanhong Guo Acked-by: Krzysztof Kozlowski --- Change since v1: reword commit message Change since v2: none Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 10c178d97b02..32274d894664 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1462,6 +1462,8 @@ patternProperties: description: Wondermedia Technologies, Inc. "^wobo,.*": description: Wobo + "^worldsemi,.*": + description: WorldSemi Co., Limited "^wanchanglong,.*": description: Wanchanglong Electronics Technology（SHENZHEN）Co.，Ltd. "^x-powers,.*": From patchwork Wed Dec 7 04:09:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuanhong Guo X-Patchwork-Id: 1713000 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=MHmfwFJ0; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4NRkMB726bz23pB for ; Wed, 7 Dec 2022 15:09:42 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229732AbiLGEJf (ORCPT ); Tue, 6 Dec 2022 23:09:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229739AbiLGEJ2 (ORCPT ); Tue, 6 Dec 2022 23:09:28 -0500 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCF4855CA6; Tue, 6 Dec 2022 20:09:27 -0800 (PST) Received: by mail-pj1-x102f.google.com with SMTP id o1-20020a17090a678100b00219cf69e5f0so323842pjj.2; Tue, 06 Dec 2022 20:09:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=WvITMhNpp4wujSvPRq6ryQwFJeNS/vlhuHNThznnYLU=; b=MHmfwFJ0pE/Vk4vLr87jCFtCAyGGQ4TxNVnmlPInCdeSMqymmGH15rEa2gbb5NAW8J 8nZ5su+fZZOLrN7lMTvbbzOME0/b8kWfqBJ7oIMK5v1q46sZir8vYa8plMEXx6iah7yj adC8ySSv1J6Mg0TmzjzG/ElX0KgHc2xSacRWznyy1nggn9srdTB7i23T5hMhWYgkS7og lN30qj9nXJjYH0EjvPdenjFGgJI82Ax2SkZOzR19tMZa7uGaQFUT8gAxe2xaAZ57DWnx gBdVlgaukRnxO4vxpolWSEwtCOLCNmmgyMRKBU60Sd94WQ9kQZ/tfgo2xx+jMgyJlmGi 2VEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=WvITMhNpp4wujSvPRq6ryQwFJeNS/vlhuHNThznnYLU=; b=rC1/DZFqpNevw5aWtAghTRRR0PTElICPyVY0r5idHPjc62Kz/g0jf140+iDZ0sMBIa r5qyZEw8Tfp3UoKLGXKTIA/Brog7NQwaGS8Asy3L5afPR0djnIGm+GhjuaGk/JwPyOWI TMqIetN3pQukGwvfFTf9hfH5oDr0GiAH9aeerEZ/wUh2DQxFtOV48o7Flsl/wI0ujoNc Bp+8HCRNRF0JVwXY6eNKdZSApe0pDZqPg4B1xQAs02WMRhgZeyw5njFjYAlyvzoaIX5i 9J6oaIwySN+B33ZzN0kdtSz4e3QnieUTB9IGBBgBxbVx36niVz1rlmmuE3Bg8LP2Er34 y2fg== X-Gm-Message-State: ANoB5plWNfxD5HKKCQA9oxLKCZyzwqwel8hms0hkSh5BYWHIjx05VDbt yh0W6ToRETMhtkNNS6QXn3XAQM0ms/c= X-Google-Smtp-Source: AA0mqf6cooC0fTglps51eHe3Rr73O9nXDOruiYZbI5c7SeLnr/FicWyeStJ2jBGDspyWTo+QOOx1JA== X-Received: by 2002:a17:902:bf06:b0:188:5688:828b with SMTP id bi6-20020a170902bf0600b001885688828bmr78880981plb.129.1670386167146; Tue, 06 Dec 2022 20:09:27 -0800 (PST) Received: from guoguo-omen.lan ([2401:c080:1400:4da2:5400:3ff:feb4:7578]) by smtp.gmail.com with ESMTPSA id i15-20020a63130f000000b00478eb777d18sm587822pgl.72.2022.12.06.20.09.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Dec 2022 20:09:26 -0800 (PST) From: Chuanhong Guo To: linux-leds@vger.kernel.org Cc: Chuanhong Guo , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Stanislav Jakubek , Linus Walleij , Shawn Guo , Johan Hovold , Bjorn Andersson , Marijn Suijten , Sven Schwermer , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v3 2/3] dt-bindings: leds: add dt schema for worldsemi,ws2812b Date: Wed, 7 Dec 2022 12:09:03 +0800 Message-Id: <20221207040904.582585-3-gch981213@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221207040904.582585-1-gch981213@gmail.com> References: <20221207040904.582585-1-gch981213@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add dt binding schema for WorldSemi WS2812B driven using SPI bus. Signed-off-by: Chuanhong Guo --- Changes since v1: remove linux driver reference from description remove some obvious descriptions fix unit address regex in multi-led property drop various minItems add maxItems = 1 to reg fix node names and property orders in binding example drop -spi from compatible string add default-brightness Change since v2: drop "this patch" from commit message rename leds to led-controller drop default-brightness and default-intensity .../bindings/leds/worldsemi,ws2812b.yaml | 116 ++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/worldsemi,ws2812b.yaml diff --git a/Documentation/devicetree/bindings/leds/worldsemi,ws2812b.yaml b/Documentation/devicetree/bindings/leds/worldsemi,ws2812b.yaml new file mode 100644 index 000000000000..548c05ac3d31 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/worldsemi,ws2812b.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/worldsemi,ws2812b.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: WS2812B LEDs driven using SPI + +maintainers: + - Chuanhong Guo + +description: | + WorldSemi WS2812B is a individually addressable LED chip that can be chained + together and controlled individually using a single wire. + This binding describes a chain of WS2812B LEDs connected to the SPI MOSI pin. + Typical setups includes connecting the data pin of the LED chain to MOSI as + the only device or using CS and MOSI with a tri-state voltage-level shifter + for the data pin. + The SPI frequency needs to be 2.105MHz~2.85MHz for the timing to be correct + and the controller needs to send all the bytes continuously. + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: worldsemi,ws2812b + + reg: + maxItems: 1 + + spi-max-frequency: + minimum: 2105000 + maximum: 2850000 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^multi-led@[0-9a-f]+$": + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + color-index: + description: | + A 3-item array specifying color of each components in this LED. It + should be one of the LED_COLOR_ID_* prefixed definitions from the + header include/dt-bindings/leds/common.h. Defaults to + + if unspecified. + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 3 + + reg: + description: | + Which LED this node represents. The reg of the first LED on the chain + is 0. + maxItems: 1 + + required: + - reg + - color + - function + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@0 { + compatible = "worldsemi,ws2812b"; + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <2850000>; + multi-led@0 { + reg = <0>; + color-index = ; + color = ; + function = LED_FUNCTION_STATUS; + function-enumerator = <0>; + }; + multi-led@1 { + reg = <1>; + color = ; + function = LED_FUNCTION_STATUS; + function-enumerator = <1>; + }; + multi-led@2 { + reg = <2>; + color = ; + function = LED_FUNCTION_STATUS; + function-enumerator = <2>; + }; + multi-led@3 { + reg = <3>; + color = ; + function = LED_FUNCTION_STATUS; + function-enumerator = <3>; + }; + }; + }; + +...