From nobody Wed Oct 8 09:08:31 2025 Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) (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 1C4FB25B1C4 for ; Tue, 1 Jul 2025 05:38:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751348294; cv=none; b=Xib46ysXOXQNisTg0bu2uNG/cnTsJMFRuKy3/Ud+JPXDZJUSozMLQN+YjDQm+UTIpDNBVuFRpHHip16kblxRdywnPINpQq26HyRHkzAxUyEnV1yEjNaTv75DL7y2Zd/j47d9zQnqHEmD2JOL6maowlMtjfMlYKk439rISKAhWgE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751348294; c=relaxed/simple; bh=jeK9tZE+sqx6u/AlkHuW+Oi/yjhHjqxpmQf98di5WaM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=pEVPTWNpNwL6upDPNzsHeXEiEMR7qpy/An4rNoVCJriyLHh5pWqQZGMDRAC6O7GQbDYyS1JWDgEPKKy7jMWpRicQjmnILupUXR6EjS5Du+caced8Z/WbvhPtMczqU2ws6DsxzrBc/Jl7loVXB5RZnr6vGDzJ89ihBAz7I2NTiK4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riscstar.com; spf=pass smtp.mailfrom=riscstar.com; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b=rjNU7r+s; arc=none smtp.client-ip=209.85.216.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riscstar.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=riscstar.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b="rjNU7r+s" Received: by mail-pj1-f54.google.com with SMTP id 98e67ed59e1d1-3138e64b42aso6018827a91.0 for ; Mon, 30 Jun 2025 22:38:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=riscstar-com.20230601.gappssmtp.com; s=20230601; t=1751348292; x=1751953092; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=pmX5fOXWCoBnrBEU79U5TxH9E1pYhnhJLwNdCcpNrA0=; b=rjNU7r+stZYLIlSXDSPItldbfXqkn1IeWgdUjNRmnGZZPC/Jgt8Soa4ocBgI7RVsds +dPVyDVC2gJGLbW2bd+I393mIEIOCEPEr1oETOoqYiMo9uZqrkhPiI24dUroaRx9btt9 50N4Nd421QLjVYrdbLGzb8YNlKmYJmeHfJBR8zWaPLDoKcJ2t/8m9gi2no8CcXVnu3nR LDjGz3pPYlCowWdNXXWUr3FVElwj65M/Di1jusq8xRDLDvgESVb6+EXd5OrtcjdQSLHG +tCdwPshfRVJDoZ+At6lC73bKGQaD0ySns1cWPpkiIhlavj1UgZE4kNrKshPzzaaZ6Qk qbkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751348292; x=1751953092; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=pmX5fOXWCoBnrBEU79U5TxH9E1pYhnhJLwNdCcpNrA0=; b=DhA0c/TwCJvDRllpzZCvH9V3FRoWWuk6NYxNbvcboc2xPCfqSzQw169f14E2+z3lMj kCXKkv8aOk+fZ3mRV3IC7C0gGXt/SAa+PsHlIUZ4kG5MPLsE1N05nV9YAn8wSzprQvuQ wvkMIOVKl/P8RQshQsvz5QZwSsKMGCQzGxerkQlgkdHMGOw7CTTTSzhcv40NO5IQdBfx 1g7zW9ZKF+62hKy6DQLytOM4gm41zLwWyAStgXrHBiajkaNrvMPgxBRnVfvpVUjyq0v8 HAxrE0dc61GD6CJwoqkmNkUxHF3rvS2dBk/j0cBivxmhvXfLx7xCoT9I0f1gWBAgONMs wj3A== X-Forwarded-Encrypted: i=1; AJvYcCUvHn23zbyP62wXCBnFiYbUf0ie9P2wBW8x25s1D0jtu74IdjMFUxRXyER+NhPXNN99jYUB+FfZjvenPHc=@vger.kernel.org X-Gm-Message-State: AOJu0YzOeA6yZhAtdzouwLHAjw17wpTPQw52ouj9zvsr0gOjunibcFSW Dl7WaBsTCNdDphB4ov+KGp7phnEtljAbGh4qX2bGSbjr/r6dJE0iSK59Vc01XM0aL2hpjXLstSj 3XQ2dYXUKfrv9 X-Gm-Gg: ASbGncu8A8Tb0pZ4R2qpbE/GoIC1uDxpAKnTqh4hbtxPvXxchT7oiR0W1VFtt976vpJ dTkud/j3XuHmwn9DOJ3eYvbkyO2a4DwT4/Oct1PXrO/u8Ch2BKJTm3hrAvth2r6rzi2nY9JVCbv aSP3TzPVNa43iBFo0SBvgIAFNM9DfQ8ps669qkVOJ1g/MhOp+jkGc5KWgmLgzWpapl1//vWdoqB 5hh0eQPFzBmatv4e8y2+ER5/jyKZt1O4LvxcU1sfTEzd/gtpv/y7CtCA8xGosvIP2cbYwQRWHjC Spupf2vhRqVs6WQT8H11HhHcqtPX0DOu2FmnhDg= X-Google-Smtp-Source: AGHT+IFg+6q2IUBlKBteqcounl7lX9NwIth1jTPA47B/kJW1lDcCrpe2PThA1nJP2lbTdGGwBbnrEQ== X-Received: by 2002:a17:90b:1dc4:b0:313:17e3:7ae0 with SMTP id 98e67ed59e1d1-318c93252admr20461773a91.34.1751348292231; Mon, 30 Jun 2025 22:38:12 -0700 (PDT) Received: from [127.0.1.1] ([2403:2c80:6::3092]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23acb39bf5fsm101729865ad.115.2025.06.30.22.38.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jun 2025 22:38:11 -0700 (PDT) From: Guodong Xu Date: Tue, 01 Jul 2025 13:37:00 +0800 Subject: [PATCH v2 6/8] riscv: dts: spacemit: Add PDMA0 node for K1 SoC Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250701-working_dma_0701_v2-v2-6-ab6ee9171d26@riscstar.com> References: <20250701-working_dma_0701_v2-v2-0-ab6ee9171d26@riscstar.com> In-Reply-To: <20250701-working_dma_0701_v2-v2-0-ab6ee9171d26@riscstar.com> To: Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , =?utf-8?q?Duje_Mihanovi=C4=87?= , Philipp Zabel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: Alex Elder , Vivian Wang , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, Guodong Xu X-Mailer: b4 0.14.2 Add PDMA0 dma-controller node under dma_bus for SpacemiT K1 SoC. The PDMA0 node is marked as disabled by default, allowing board-specific device trees to enable it as needed. Signed-off-by: Guodong Xu --- v2: - Updated the compatible string. - Rebased. Part of the changes in v1 is now in this patchset: - "riscv: dts: spacemit: Add DMA translation buses for K1" - Link: https://lore.kernel.org/all/20250623-k1-dma-buses-rfc-wip-v1-0-c= 0144082061f@iscas.ac.cn/ --- arch/riscv/boot/dts/spacemit/k1.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spa= cemit/k1.dtsi index 8f44c1458123be9e74a80878517b2b785d743bef..69e0b1edf3276df26c07c15d816= 07f83de0e5d57 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -591,6 +591,17 @@ uart9: serial@d4017800 { status =3D "disabled"; }; =20 + pdma0: dma-controller@d4000000 { + compatible =3D "spacemit,k1-pdma"; + reg =3D <0x0 0xd4000000 0x0 0x4000>; + interrupts =3D <72>; + clocks =3D <&syscon_apmu CLK_DMA>; + resets =3D <&syscon_apmu RESET_DMA>; + #dma-cells=3D <2>; + #dma-channels =3D <16>; + status =3D "disabled"; + }; + sec_uart1: serial@f0612000 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; --=20 2.43.0