From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 795C83E9C11; Wed, 13 May 2026 10:44:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778669066; cv=none; b=PbZNIO3NUpWRUsTt+v0ue3ZgPjKMz47w/8/3xBKNzfvLKCS55Lff3NY1wQu3xx6bdn+cbAIdZYUYbvtaMD2gfv2cShfPiK5bcScXYuNGxMZpHtV5RY8w+Y0Ue/VuOTcpSTm2UhiNCGOn9I/YLeJT2iMpyylUdmy8Z4mxfeoSOJM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778669066; c=relaxed/simple; bh=AVnCN6kymER6wy+4kacjuFr2lYcaGoCedkDJ0zolop0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=tlWJ6sHtb/anTuSl8WwozH05FunThlZW16PUBojL3FB55Wu0ShmfHARfY8eyRZevV6QBtnitWZbnzIGpmY9bIFpoyw6qkwe+jmCz3n67YZ4bvk1EMpZ9ziFBH4OMOJuoe0gIN4GRj5BnPA1nsfWWmjxP7Wd4tJ3czMGJ1O55Ciw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UkTtBFwh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UkTtBFwh" Received: by smtp.kernel.org (Postfix) with ESMTPS id 3C7E5C2BCB8; Wed, 13 May 2026 10:44:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778669066; bh=AVnCN6kymER6wy+4kacjuFr2lYcaGoCedkDJ0zolop0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=UkTtBFwhz5qvnpqKSbhXOQT6p5elGLeyJCNRsQNpheaIJAKTLtDyhjXtshr3Kl4GH o79RM8utGGbZ5LmoH1F0PyOn3VztjK3i0bARlEGb1WyrMk6twcLcYs5FBQKy1gK9RZ GwtZ3DKuJ9JwYAxyR20i/6xWn06uxMdTwTd21VyGQcxzhFgkaUi4sLyNZ79N8BOuaW MaWP5jFZ5hMPA2pC9nrqWVMzFVH7C7fch2ph9pKMZ+4s99WBN+QvDEferElsOpEeaM Wtal+I4e32gujlIBaY1x5VHJ5dobFi7q69WNlJ6Tl904DGftdycOioBr7m/vAr9Nua OMX7a+f2/mUKw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32A51CD4F24; Wed, 13 May 2026 10:44:26 +0000 (UTC) From: Ronald Claveau via B4 Relay Date: Wed, 13 May 2026 12:43:55 +0200 Subject: [PATCH v2 3/3] arm64: dts: amlogic: t7: khadas-vim4: add PWM-driven status LED Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260513-add-kvim4-sysled-v2-3-3ec9779e8875@aliel.fr> References: <20260513-add-kvim4-sysled-v2-0-3ec9779e8875@aliel.fr> In-Reply-To: <20260513-add-kvim4-sysled-v2-0-3ec9779e8875@aliel.fr> To: Neil Armstrong , 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, Ronald Claveau X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1280; i=linux-kernel-dev@aliel.fr; h=from:subject:message-id; bh=2xdbcwmGmHmxRvinJQMTjDVB63/BF5fZ22AOjpf30NU=; b=owGbwMvMwCWm1SvKXP3cUInxtFoSQxZLGAe/2O2a+3P475ob7pLlVj5TH3PE96Vip/GKqam2/ LtVTP53lLIwiHExyIopsvTPtTzx7vLRM1/3qKfAzGFlAhnCwMUpABOxZWb4H8rz9ZbCD4fdmnPv fm6YeX9D6AqvSVOr/7fvWzMjwq193XuG/26NkW8q47RFz+RJuS00FPyzrT+VY/eZGWc3+OzWeFQ 3lR0A X-Developer-Key: i=linux-kernel-dev@aliel.fr; a=openpgp; fpr=DFD863F61375BF917F0012173953305EF1D0EC3E X-Endpoint-Received: by B4 Relay for linux-kernel-dev@aliel.fr/default with auth_id=744 X-Original-From: Ronald Claveau Reply-To: linux-kernel-dev@aliel.fr From: Ronald Claveau The VIM4 board exposes a status LED wired to the PWM_AO_C_D output. Enable the pwm_ao_cd controller with its pinmux, and declare a pwm-leds node with a heartbeat trigger. Signed-off-by: Ronald Claveau --- .../boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts index fd1b983354a01..c41525a34b721 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts @@ -53,6 +53,16 @@ dc_in: regulator-dc-in { regulator-always-on; }; + pwm-leds { + compatible = "pwm-leds"; + + status { + linux,default-trigger="heartbeat"; + max-brightness = <255>; + pwms = <&pwm_ao_cd 0 30040 0>; + }; + }; + sd_3v3: regulator-sdcard-3v3 { compatible = "regulator-fixed"; regulator-name = "SD_3V3"; @@ -163,6 +173,12 @@ &pwm_ab { pinctrl-names = "default"; }; +&pwm_ao_cd { + status = "okay"; + pinctrl-0 = <&pwm_ao_c_d_pins>; + pinctrl-names = "default"; +}; + /* SDIO */ &sd_emmc_a { status = "okay"; -- 2.49.0