From patchwork Fri Apr 11 23:31:32 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yixun Lan X-Patchwork-Id: 880366 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 0C29E219A86; Fri, 11 Apr 2025 23:32:45 +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=1744414366; cv=none; b=XPBoixcG7+VOw6UxOBNXRTpsIcGOZIsueF28RI+2oElMEIyZ81XeublvQkdW4K5/16RaAO8FU8GkzTtLFIQCkTPgvN0tYWuf7ygdH7+zBCWMkTjydyvFxcyp+pRObT5FI7W2Sj6boWaBuoW7AEHQDmlucGZ5Yoe8RcbOcsmLmjI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744414366; c=relaxed/simple; bh=ez3lQ50wt4PHNJjw/2DzRy5zUu0J1UdIhacJCZQJdao=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QJz5c1kb0eGhuDIF4ulKQedLBeYYeR5175X5eMg6jsFWfldW8iH70vMIMpJuqYjjdm6hWg5ajEVXT0pRNJFzmcXY9FBrAr9xO+TcoWtNXUdBLHZflj1lQKD6p3lsf78tiyXf0U541IUvTW10DP6UVR16F9iYtw8dCe8/MCiriQ0= 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 [116.232.27.72]) (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 CED6834386C; Fri, 11 Apr 2025 23:32:38 +0000 (UTC) From: Yixun Lan Date: Sat, 12 Apr 2025 07:31:32 +0800 Subject: [PATCH v8 5/5] 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: <20250412-03-k1-gpio-v8-5-1c6862d272ec@gentoo.org> References: <20250412-03-k1-gpio-v8-0-1c6862d272ec@gentoo.org> In-Reply-To: <20250412-03-k1-gpio-v8-0-1c6862d272ec@gentoo.org> To: Bartosz Golaszewski , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Conor Dooley , Paul Walmsley , Palmer Dabbelt Cc: Alex Elder , 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=ez3lQ50wt4PHNJjw/2DzRy5zUu0J1UdIhacJCZQJdao=; b=owEBzQIy/ZANAwAKATGq6kdZTbvtAcsmYgBn+aZxfiI6vSFppUJQZcclFJxoGxukFzknzKGWI bSazNSymHmJApMEAAEKAH0WIQS1urjJwxtxFWcCI9wxqupHWU277QUCZ/mmcV8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0QjVCQUI4QzlDMzF CNzExNTY3MDIyM0RDMzFBQUVBNDc1OTREQkJFRAAKCRAxqupHWU277aefD/9NlWbYn29Msk3Awk JEFX4IoCMm//CCjVRGM9538q9qidfJrfb8Eoh93p+BTEL7GH9VJs6QUaXb5xF3jG7rO5vAtQD/8 D7UjxTtBlKeW2TVsBVVIkPr/mX6utN4uERzdFF9gr/+7tI3TcMWeHt+nPknCAYq74gfdY2t0pcc xzW7l9Qpj026YMdE5OpU/obV7jTWPUaSdrISKV+Brj+Z5dQQ2JQt5Av8MMGeH0bgMjn1w79DZxB HfFWvzahQOAT7h+HXndZ7QMC3gT7mSRhFk+fH5xWR+rbasYseok12T3CuPm1tslK044v/kkHxCC YQeN/byAURzjLDPGFIy+LmNVs4d7IhDR2PVugjlpftNtiFfBlro1hgrXab13IfxbtpmjVs40PGy gv15fhqGtrRXvXuaWhPQDXnlgvtLYNm336jGAnWvYN0AUNFMQYEhQv6NYoHOEHbDW7FUC7VSZ1J w65vdLBlqOoKotUL/DUGo5TS8zA7rLDdKo0LFIQ5u0vZ50U2HT/FrNoOK+KopKzrEpL9CD60+Wj zYRG797irsmcXl/n5IEVPpoxswpUztkAz+3SILGSqjGYh/W4CxUjGYYTlLrNuvCxIYrr4kbYGz2 YamsKUmzR2HZQHLUFr5KCuns0xWiv2sQE3baUi7A+4gZXTEU4xbMEdxKPQWxO7RKhZdw== 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 {