From patchwork Sun Feb 23 11:49:35 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yixun Lan X-Patchwork-Id: 867781 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (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 694592066C7; Sun, 23 Feb 2025 11:50:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740311441; cv=none; b=CpkJ1YvurP833qn9GWc56ueRcPBrHQwpeDGjYJIp52VQYKOdfNPAYhZR8GW0FnCkQXZFEAwoUXhLPymqkr1BLw8q+7kBLea/U7VNGBoTbHFRsQsW0R1vE0xigFiCIeShrtgBwy/WPfI2hxnbtfbHoHAftRAf6m7cqmu2alZs0fQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740311441; c=relaxed/simple; bh=Npl1hf2K8C0HFRJz0IJdWyuqL8ZWAqWbXOrkZ95CiDc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=pNuAPqqDOWpM9FEgXkdsRpykew0VfolCfmqXkoyJ+L/GedcEQO6+++5A7nOk+ErU0bqW8uZWsIgTaTc3De+WkG4IvS99QAQak86ODiItOJnnrshz2f66bgE583XFX1QI+o7GltHY1AZlCIglyXeN1AlTdRLeMDvRaZSbFdTT3/M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org Received: from [127.0.0.1] (unknown [180.172.118.52]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dlan) by smtp.gentoo.org (Postfix) with ESMTPSA id 6C23534317F; Sun, 23 Feb 2025 11:50:34 +0000 (UTC) From: Yixun Lan Date: Sun, 23 Feb 2025 19:49:35 +0800 Subject: [PATCH v6 4/4] riscv: dts: spacemit: add gpio LED for system heartbeat Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250223-03-k1-gpio-v6-4-db2e4adeef1c@gentoo.org> References: <20250223-03-k1-gpio-v6-0-db2e4adeef1c@gentoo.org> In-Reply-To: <20250223-03-k1-gpio-v6-0-db2e4adeef1c@gentoo.org> To: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Conor Dooley , Paul Walmsley , Palmer Dabbelt Cc: Yangyu Chen , Jisheng Zhang , Jesse Taube , Inochi Amaoto , Icenowy Zheng , Meng Zhang , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, Yixun Lan X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=866; i=dlan@gentoo.org; h=from:subject:message-id; bh=Npl1hf2K8C0HFRJz0IJdWyuqL8ZWAqWbXOrkZ95CiDc=; b=owEBzQIy/ZANAwAKATGq6kdZTbvtAcsmYgBnuwtstaTnHcyIlwwJ1iQoDw5MUSJCELE0FaGxn vbar+q+U+KJApMEAAEKAH0WIQS1urjJwxtxFWcCI9wxqupHWU277QUCZ7sLbF8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0QjVCQUI4QzlDMzF CNzExNTY3MDIyM0RDMzFBQUVBNDc1OTREQkJFRAAKCRAxqupHWU277Tv7D/9QYZOiFPN/p0YDxm YMTwB+gLp77a+Pk/aTBd3Q1BBFDUSeh/QqIgL7JVqcXppSrsbCd8AgOxI38PhMy7/P3smmDwXeh rvM9uD6zCgNaGLxtZb0Q1N49aBbKSW0o7SAkn4rBOuq3sy/v1G4yJ3jn+fPhKEyuhk++Qr1MqhI c2qqWBMieiX+y9ImTan1SUG/PFwEC4QAujuxihknhm80+p1Yazk5Kv9+JC8R8bG3eEDCK2By5Gy o05qVWDOAkSYjRzU5mLL1UCbStLV/eqv92zRI2cf4UY8ny61mAZrxnv1cLiGCNB7O+3L2fk2hvR txkoYbKmS0omARR3IPUi8EbsTKmJv9aNcoT2ZEUvt95za/myl+el38ZhvdBqCDVfk2HsvBF02f8 xqeZ/UVjvIrJxRmhINQ9sQDZOGX4wylCH/aEEYSD25uMF48buXyFyn7zRzAKzF8Od/nJIGPpTHG GWbw110Bx7pXyFkDAUzE8z6+JWGzHXxafVTzZOK0UiuRsGvMXAWkd8a2Ol4ts1fIw4ldyWHBVwN tyOv9K77nMGDcYdsM6b0WD/m9tMVQoQ/BmLxsnuSmhIxAdZTA+68tBipCHjszxZrNGQWZLYVHHm xTesnw9RD00Dk8VVrxcu4PUQvfBLLwH0nOX2fToDArsBz8mP0Uvdu4OFVVws0dOWBXNw== X-Developer-Key: i=dlan@gentoo.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 Leverage GPIO to support system LED to indicate activity of CPUs. Signed-off-by: Yixun Lan --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts index 1d617b40a2d51ee464b57234d248798aeb218643..816ef1bc358ec490aff184d5915d680dbd9f00cb 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -17,6 +17,17 @@ aliases { chosen { stdout-path = "serial0"; }; + + leds { + compatible = "gpio-leds"; + + led1 { + label = "sys-led"; + gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + default-state = "on"; + }; + }; }; &uart0 {