From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A5B19226CFE; Fri, 2 Oct 2026 03:10:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790910640; cv=none; b=B5uXrAHXCCgqee0iBlFosFOGNCQTdSsKiKCIE/WbsFCIUWzMjuCNQbRAR2ibTcg6CogXVTCYqzkyJpiHlO0CRLBkPvC86pTM8vf51p0bDnmsBpyyVW0Dl9S6YmnS6N/GeGZXUOd0Bp+KjP4W8XUWLhmHqCQ0ARGRbPfa8bB+QpU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790910640; c=relaxed/simple; bh=hvByUueNj20DGLTScoJeXKAVWVNuLukJbf0xo7hBB5M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YWey4dF7kNKWxJ+vRiAlBEWiSfDF338STPbTnsYHPBwy5ve3lPWSPa4XCCwg9Yqv/4ecr2qdAax65RRba+dP/gEHcTHFnH6mjAaI0XpCHKOEYWdbDPfsUaOPjPJyafo8raSCltxCNpE4DUTv3S8KQds92UW4tEVJKhfqa4ofjvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S2/HDqKC; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S2/HDqKC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D05051F00893; Fri, 2 Oct 2026 03:10:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790910639; bh=eGVtnl9rHcaVyP0WXLdw6Whp5FwoIKCCMgtfGiFRDTE=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=S2/HDqKC/ZvaEPtJwZ0Nr7NX41EuybBX4P0T3m3UdOHBaLBTMYSiWoqTJWJrLPkIC ftuKvkSyETnuz2ji0lJhAjChWG5GeVgqcBQMm/eSamEjxDHcg0SURjKiSVBBs1COAV RObfUW23imyUvQ/0nHVleMhdR6uMEOY9pbTp/djrLTsfYFKmMhECUmp/yv7MbE3DFS tNRWbZgRUTthMYRf+v4c5uGqY8n8ySwHtOWL4lgv4997G2advOJQCG1ffbFk/PgHr0 iEQrjuyb4eTII0eVjcSgJfN82o6CbpOPzI2XzeSMGY/nBHUUIXaXat1TFOlyQFZc70 nBcF+b1c6TU9w== From: Yixun Lan Date: Fri, 02 Oct 2026 03:10:10 +0000 Subject: [PATCH v7 1/2] scsi: ufs: spacemit: dt-bindings: Add UFS controller for K3 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: 7bit Message-Id: <20261002-08-k3-ufs-support-v7-1-bb39007ff9ae@kernel.org> References: <20261002-08-k3-ufs-support-v7-0-bb39007ff9ae@kernel.org> In-Reply-To: <20261002-08-k3-ufs-support-v7-0-bb39007ff9ae@kernel.org> To: Alim Akhtar , Avri Altman , Bart Van Assche , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "James E.J. Bottomley" , Philipp Zabel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , "Martin K. Petersen" Cc: Anirudh Srinivasan , Aurelien Jarno , Jennifer Berringer , linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Yixun Lan , Krzysztof Kozlowski X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2268; i=dlan@kernel.org; h=from:subject:message-id; bh=hvByUueNj20DGLTScoJeXKAVWVNuLukJbf0xo7hBB5M=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBqvyCeOIwoLZJjMZOjkrtagBt/YRy/XHdcwy6NI 5E62vEeGQmJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCar8gnhsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+3nqRAAksBATAwXGSGunaPArd10BrVOoqWAPeEtdnTvyT/KFAZkj48jHMvCt 1fOUb0eZCUIpJe520339+TU4MkhGRgUps4EHNIsKPd4Wvr7NhvBppm9AYQ9gjXkSPt5QsP8n2zS VIaBP7cxF23E+TQ5PqGTrIIQepZMpGLfvbJQbdoI060I4w3zu4h8tbZaQ5oshMBm6e1IlLu7JT8 dJ5sizRJCncB+6Y3sXpDNllD8r8qn4CzsToyCKg6zhvhHUPgFscwsmX3OFwkC82aqtDTC7bmFuV Ylk+ptVCR0EuUDaGHwUdG2eTITxbgYl5oGUVhffQDk15wJWS7Sok351o2bquf2JNw2BViatFjEf MO8irVdx//gYj5IOSbSsTkHfNj3nAavDa+Xg5wfJ6Iae7rdpnNs7QwMqKLvSdqazkT/Gy/vB6iI W5LJOAUi1OwQyWGEvmgPgwbYbg/pWGBPP6BY8M7sKEyf8SnP+mvxZAtDJsR28V3E87pSECKRgUX h4SwGqGoDhIcr2VCBG4zYePurz4QjPkRifarQ9COZ1F5EhmPi+ar5RFkTinyPMt6kCLw2lBdWhu X5JneIx7PBOvmlv6aNX0AkFYCX/9kD1fP1awobkD8O713ND4TvsKU6sPnnBJU+zyt3LbwP12KCA 9AgMc3yMk0efsOG/J/aUJbr963pHu8= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 Document the compatible for UFS (Universal Flash Storage) Host Controller which found in SpacemiT K3 SoC chip. Its features are listed below: - Compliant with MIPI UniPro v1.61 specification. - Compliant with M-PHY v3.0 specification. - Compliant with UFS HCI v2.1 specification. - Supports up to 2 Tx and 2 Rx lanes, up to HS-GEAR3 5.8 Gbps per lane. - Supports standard low-power hibernate to reduce power consumption. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Yixun Lan --- .../devicetree/bindings/ufs/spacemit,k3-ufshc.yaml | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/ufs/spacemit,k3-ufshc.yaml b/Documentation/devicetree/bindings/ufs/spacemit,k3-ufshc.yaml new file mode 100644 index 000000000000..8512a81f1cc7 --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/spacemit,k3-ufshc.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ufs/spacemit,k3-ufshc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SpacemiT K3 SoC UFS Host Controller + +maintainers: + - Yixun Lan + +properties: + compatible: + const: spacemit,k3-ufshc + + reg: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: axi + - const: ref + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - resets + +allOf: + - $ref: ufs-common.yaml + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + ufs@c0e00000 { + compatible = "spacemit,k3-ufshc"; + reg = <0xc0e00000 0x40000>; + clocks = <&syscon_apmu CLK_APMU_UFS_ACLK>, + <&syscon_apmu CLK_APMU_UFS_REFCLK>; + clock-names = "axi", "ref"; + resets = <&syscon_apmu RESET_APMU_UFS_ACLK>; + interrupts = <135 IRQ_TYPE_LEVEL_HIGH>; + lanes-per-direction = <2>; + }; -- 2.56.0