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 DC98B282F27; Thu, 2 Jul 2026 02:32:07 +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=1782959528; cv=none; b=uvKqCdCpPlpqXMgaKnSqP3tWwM8hdwSjrkgd6TgnzE+b/qjgeL0spodVV1JpjWo5dX6wtRkvKUthmONrp2EVtHqK0Si6b40tfcpissBSRmGISWS7oAgaTw8Ne1PGhhsjXmJbAn2hhoGjd75LkdyYFy5HE7Y7XfpXuidLUsYvbgA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782959528; c=relaxed/simple; bh=0DzLo9kHtCEbIpdfvRxJ5ac/4r14M0Je4bo1/GIYVLA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=KZ/Njmc2Nn9EjwNEfK3+XYEu9LjSln7bQK2Wo7yr5ZI8oMiDVemzCgE3ZbCz4Iex2XR0tulvbQZXRD0OhvgzclfhM10JwCUSEJfZYE35+xEUhxplbJWz4wbJPO0KohyFezq06zoE1UQbb7Fv+nUI/Kr96+oXcxUyivj+uX0hauU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KAgTIJFt; 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="KAgTIJFt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34FDD1F00A3A; Thu, 2 Jul 2026 02:32:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782959527; bh=sb/AhCIO26GuC3Uw19TdrTEQzdISj6y/ZzHjKhcogZI=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=KAgTIJFtWQcV2pX7SIsYmlqrUrngEY1eRY8JlDEpoRL3PXTzKjqrNNmj/CDWbny+I t4EO7Ez/pjCILmoVdfxn9Fc6Cr0+xSDl/m1F7T57P8nB/q3EAX9J+8nHDlRn4C0t3o GD3XfMUEaw0eJtjFzrnQtCDXBY9ttdV4P+kZyVv0uxR5IwPpu05ZyVcyaILdjFD2Ns r6oh4US//37Al93Xv1Cyc3H1xVWfgCnDYj9alhGmzAnBEVg3dEaPd4I6PzkeIIdM2w UnRk7b6pWeDwlj9eRGg0cWTN/jxndPXKP8Tu8MOTClboSxhSAe4GYRKN055NeJoTJm Vulu5S6jOLEbw== From: Yixun Lan Date: Thu, 02 Jul 2026 02:31:35 +0000 Subject: [PATCH 1/3] 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: <20260702-08-k3-ufs-support-v1-1-1a64a3ab128f@kernel.org> References: <20260702-08-k3-ufs-support-v1-0-1a64a3ab128f@kernel.org> In-Reply-To: <20260702-08-k3-ufs-support-v1-0-1a64a3ab128f@kernel.org> To: Alim Akhtar , Avri Altman , Bart Van Assche , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "James E.J. Bottomley" , "Martin K. Petersen" , Philipp Zabel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: 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 X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2140; i=dlan@kernel.org; h=from:subject:message-id; bh=0DzLo9kHtCEbIpdfvRxJ5ac/4r14M0Je4bo1/GIYVLA=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBqRc2TH4Ck36sb3GRMfq03yztUSfJqX2AvqJ8Gu 9bTSZndsLmJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCakXNkxsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+0dxw//fyiur2eAIQj69Agy5fKb6dT0gIdaXdpXgYpikCxfBpM10XUxQJ5wh FsIFTdBVIu6ZDCQe7Qc7/W3pEd7O4pd3OivsRfK1KQT2S3Rem0GkqNzS9oH0I4WS/w4BhxehWaf 3ZoY+TBSPBTv57gcfFozHECiGuDM6QIK9qdZGoYQJx7VQ7EW/7oIUR76wSdlslKNnG0cPzFEaiM NPun2NKrwPjSVOZVYbYGio0lsdTy3iRiWa8rpKqg3j5dElRNlJy47RU3WoaeaR9jwW1IuZFy1AU V4uw96kww0c+3RBfG57n5V6n+QhY4Z/0sJYK7tp1FVybV7bon7I/fdTkR+9fD6zHFGLcm8BxgIV +gfyM5wfBYyIHtbuUvTZc02cQp/Fgts76Ad5bHAxskSsV9YO8TNLipuEETrYV54+dVlQbKHXQoB URJIziqoRCR16Z7IWZfrZm/Ngd6FypuCFHAuJHMSBInkRQVKTZT0jCJIhBy+2b8bWSvEm8rg+Kf R1uSCfCaorHJ0csOz/I0M1WrefaVTtqfR542HCG9FrWSLXH6e9l2598khFJgnB2eptYGjw9CR8g ptdfUNNLWvO8sW68HEmGlcV6RKDpU1gVlSxnEB0gYVfw8x57TcHgFrxwG6TfLLfma9rSz4UF81m S9LWNbyITj4dpAGjRAMN97HrR+ujOc= 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. Signed-off-by: Yixun Lan --- .../devicetree/bindings/ufs/spacemit,k3-ufshc.yaml | 54 ++++++++++++++++++++++ 1 file changed, 54 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..e6cb6fb2496c --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/spacemit,k3-ufshc.yaml @@ -0,0 +1,54 @@ +# 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: aclk + - const: ref_clk + + resets: + maxItems: 1 + +required: + - reg + - clocks + - clock-names + - resets + +allOf: + - $ref: ufs-common.yaml + +unevaluatedProperties: false + +examples: + - | + #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 = "aclk", "ref_clk"; + resets = <&syscon_apmu RESET_APMU_UFS_ACLK>; + freq-table-hz = <491520000 491520000 19200000 19200000>; + lanes-per-direction = <2>; + }; -- 2.54.0