From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f54.google.com (mail-wr1-f54.google.com [209.85.221.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ECA803DBD5B for ; Wed, 13 May 2026 08:29:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778660999; cv=none; b=L+6FC7f31T02j+xDnNTPZirZocdLa5eJcCw1wgtVma9TWJOBA47CT3G64aOydsQWxRV9h2kc8E2rmL2sg07XCXst63aOtTzln4acsMItTfsNtPvhVsJOeOexUCmsoCDcBr2caTqi3MAbIcKC3gUVGkltWzrcfDyvuESQXgNjpFk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778660999; c=relaxed/simple; bh=NaTCLfR8sWe3pR+9s8OzVp+Mo05/w1eWEqxKYbzdY6c=; h=Message-ID:Date:MIME-Version:From:Subject:To:Cc:References: In-Reply-To:Content-Type; b=IjH2TE3tETtgSrzFeiiPAL7A7DpBblRGmo5vv3K6aMip3NQPTL09fuDIALWrYN1/JvJJDj0JUW+yd4Cp3ySdI149HXSeqcdlFhK4Mfdp6bfpQZ+asaSVy16UfjEbtzO0vIJYl8EHPmScOLjN+5CKXTNwT56tv4QdeC0FRHdhVIk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=Ye+rxpR8; arc=none smtp.client-ip=209.85.221.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Ye+rxpR8" Received: by mail-wr1-f54.google.com with SMTP id ffacd0b85a97d-43d734223e4so3970899f8f.0 for ; Wed, 13 May 2026 01:29:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1778660992; x=1779265792; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:references:cc:to:subject:reply-to:from:user-agent :mime-version:date:message-id:from:to:cc:subject:date:message-id :reply-to; bh=H7BvI9blkmbUziA0Ny+qCXTqAehIoVPCQb4tVX7iVuo=; b=Ye+rxpR8/OMCp+NGyG+rPCoIS9fG/QsFHJwVO8XRZy4OFQSUpbLubo1jykfMpAFYwr GJ0Psz5k6vWNgUDJzJxoXoI/T8C7dFqBggbk9FEBikOwBwUQz/WWKjvLJR8m+ybsIXAN RUN7SR+jRQE1p3ZX0WjVfB4+Wt+jZx4CiRtczSCv5Z4JnhBYeh6XAbhiiffHlcxbJMzu bU4rJceSJkpzGuewSnLFi4tZgpjuZiCWenqZ88z/scKHmICskW4f849KBuf0OpW5cr+a bdulxNltcWyz0tuEshjTR5chgpZxD6XsDfj4tKa1PJ3nuiEh4sucX0/aLXY49c1HJrUq QDsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778660992; x=1779265792; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:references:cc:to:subject:reply-to:from:user-agent :mime-version:date:message-id:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=H7BvI9blkmbUziA0Ny+qCXTqAehIoVPCQb4tVX7iVuo=; b=WPb4UkjwnCzpggYJ9G82KG26rlHLYe3NHzlyyyM7j8uvbROIyQTZ9D7hFtu0Gq2ktd 8xwhw8rmlgYaP220JCCztgPMDtDOoaYU+/OrB9hy8YynIHkdy8P6zMAhrIra7O9bGS6Q q1+kU1QYTn9mUfDuCcQC7tHPIvOGMwQxu/K+RMjjEq+/ebKEsYC5J5V3EQGDz3o15C0v mVeZlLvV+KnW6EXx4bqS+QZYrBm1wCYRc0qsthB8TsweevbOhvAl/JpNThqjLd0woFps RbIN8mmarB1hN/VEv15HBdEsEDfJ3pbgwwRgVvTET/id5VRc+yUguQCUetKsYrdR70a8 RaMA== X-Forwarded-Encrypted: i=1; AFNElJ/eeUNojMP/lfAIcJODhxKNazxIY79cIfnlVHdWFg2CnLZ/efEbIGIZlJ4lkNBfyTEJO2wQ+eFL7OxuN5c=@vger.kernel.org X-Gm-Message-State: AOJu0YxD/s98q0leKo4t4eYyHfHZAB/lUw1XwQYJEPeDgfTpFoPojIxW UFJVrAMkchkj+tM2WvFqSuzzCo818bqJzDOzaAaa/efhevaIQEK1SlR+tRYWQz7Wdh0= X-Gm-Gg: Acq92OGThKhStOVlTaR2+wLQGGypOaaCSWoI1bSIy32VBbgMTAYYxxDApE2JJK14MyC 7MA4pqj4W+TAI9zRb1IAp7jV6OxMgDX9pgaVltUue/dbHzKWLE3Fv1bxuxH6KXyzo1E01jHHX5o ARHtUNZquJiac4MDKb0z9IIwr+B+A3sYLosU6xhkqD5DCbW7OcL1W6L5VCIz10C2qGs7TK1EybG Rpd5uhjoob3Rb7qhkCYscE07CFQ+Ka/WTHgHGDeg3sbuiUsWKtA6qnjKT2a0tkxli2x8Y8Lmh7P 0HIFtyf91FidZ2vgaDYEcqhJRly5OTDVTiFlzHyecIg1FjgoxyaGx3chSCmYulzXcFYits9Qslp YiPq2gnM34NbWEtnDm2fgs0KTG1f+emvI0et97MLWBVLl/8v5I9Axb6SFHCzg/BaxdxfJmvof10 /PNVkUrcaXIKLuwcERz3ibCrkWmUQOMEoGZc06w0RDNVe5uO2ftt8AcNCQlUHKNKKVKhd2dTIn1 yK6 X-Received: by 2002:a05:6000:2b0b:b0:43f:e571:184d with SMTP id ffacd0b85a97d-45ac3c6071amr7111931f8f.28.1778660991662; Wed, 13 May 2026 01:29:51 -0700 (PDT) Received: from ?IPV6:2a01:e0a:106d:1080:6ee4:8e37:145:d60b? ([2a01:e0a:106d:1080:6ee4:8e37:145:d60b]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45c7f27762csm3558455f8f.31.2026.05.13.01.29.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 May 2026 01:29:51 -0700 (PDT) Message-ID: <890de4b9-5481-44ab-adfd-0c58d9ae8239@linaro.org> Date: Wed, 13 May 2026 10:29:50 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH 0/2] Khadas VIM4 PWM status LED support To: linux-kernel-dev@aliel.fr, Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260512-add-kvim4-sysled-v1-0-7178719a43e7@aliel.fr> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260512-add-kvim4-sysled-v1-0-7178719a43e7@aliel.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 5/12/26 19:47, Ronald Claveau via B4 Relay wrote: > This series adds support for the PWM-driven status LED on the Khadas > VIM4 board (Amlogic T7). > > The VIM4 exposes a heartbeat LED wired to the PWM_AO_C output, routed > through pin group pwm_ao_c_d. Before wiring it up in the board DTS, > the SoC pinmux definitions had to be corrected: the original > pwm_ao_c node was conflating two distinct pin groups (pwm_ao_c_d and > pwm_ao_c_e) into a single ambiguous entry. > > Patch 1 fixes the pwm_ao_c pinmux entries in the T7 DTSI by splitting > them into two properly named nodes. Neither alternate is in use yet, > so there is no functional impact on existing boards. > > Patch 2 enables the pwm_ao_cd controller on the VIM4 and adds a > pwm-leds node with a heartbeat trigger. The xtal-clk node is also > moved to restore alphabetical ordering among root node children. > > Signed-off-by: Ronald Claveau > --- > Ronald Claveau (2): > arm64: dts: amlogic: t7: Fix pwm_ao_c pinmux definitions > arm64: dts: amlogic: t7: khadas-vim4: add PWM-driven status LED > > .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 30 +++++++++++++++++----- > arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 12 +++++++-- > 2 files changed, 33 insertions(+), 9 deletions(-) > --- > base-commit: 31f32e8cdf59291e467250dfc57d1a8c718f63d2 > change-id: 20260512-add-kvim4-sysled-8cc159524561 > > Best regards, Squashed patch 1 on ee6e05a49b93 ("arm64: dts: amlogic: t7: Add PWM pinctrl nodes") Neil