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 6D0D935966; Thu, 6 Aug 2026 02:56:53 +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=1785985014; cv=none; b=N8jhKkPOmDlftJUCCl4nalSGV5isz3jPZdhTajWnXjYV0/iEyYhXI8XXii73tc34dd0Byg9ZtknPREEzJFO7JtRq4hQIv9H93BP72RK0CFEYbo51DarFkY7AwmI/IukMho6+hfNNhV3DO8PHsnSbmNxjy4CRBTV/CyX3tN9iAs0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785985014; c=relaxed/simple; bh=rk95kKGG/SkoEMHzqicwZcRd7bMRmZDFgL6+fZ2Pbbc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=p07JrxYKBRv83C3DpBkqdDhjUuX9iJJPnLp3O4AXd8XU7sZjU1tyZVstPOEQWktawCzG1mmws965rH7COGMLWPIryTPWJPqVi3UkatzuWqN7DlxfvoRd8SoHilpoxuS1bbFz0QH3lTO4DlPiG5+JnSib9/qhUI71Ov/Nf216QJQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XDj0gAuL; 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="XDj0gAuL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C0411F00A3A; Thu, 6 Aug 2026 02:56:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785985013; bh=tV9IUwoo59NJmLmcHHMkUhsXWOY7J5vyTiJOpbYBP9Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=XDj0gAuLeC7MWqW0c2SPca4DFPqtpXvoT6kiBqmELVYSiyTl26bLuDtjnl2ENpAhp 4koH9qxhY0nFlJW89y1J4C1yoQH2TidTqrlTiQIAxHOF5QYguO1IWjQFeFZO7gfAIj lHRgNa37wJCqI0xlbn2F1JjCoNPGEpxGJAAVBNRuEY5bR85ezwnFOgZQKJzBnMf8F6 ZyvQ2ToRLi4JqFaltpKi/MUQMRm57+Ziu4V8WCp2UysHi58i6FDT4LPr/vr5+GZK4L ig7JxbuBMjkyQq0FtBjG/9oLXvRsYaFfgVK4Q44eJhaH+bQ4ndQRwLqPMPvEgGw1z8 gEmK+8FfpoQRA== From: Yixun Lan Date: Thu, 06 Aug 2026 02:56:18 +0000 Subject: [PATCH v3 1/3] scsi: ufs: spacemit: dt-bindings: Add UFS controller for K3 SoC Precedence: bulk X-Mailing-List: devicetree@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: <20260806-08-k3-ufs-support-v3-1-037fb322acdb@kernel.org> References: <20260806-08-k3-ufs-support-v3-0-037fb322acdb@kernel.org> In-Reply-To: <20260806-08-k3-ufs-support-v3-0-037fb322acdb@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: 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 X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2205; i=dlan@kernel.org; h=from:subject:message-id; bh=rk95kKGG/SkoEMHzqicwZcRd7bMRmZDFgL6+fZ2Pbbc=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBqc/fgPHVxzfEDiS3x9/JzjpYht0L6ZNUIuFsUp njnGrXusRqJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCanP34BsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+0FcA//X/edkMvgnBJ9mmIDmNZRE6x1/7phE7/KKhVlb1iWHZm1Ukg8Olf6x RI/0q5d/hXtIy3X/fcA6Cgfc/4fADVq23JkTRkPIHbuGF842tzIlHoejejnJToT9eUS3jEjtjFx 77L69uC766l6a1R30I+7nulgnkntrBzc7TynMuDYXrT7XQ1DG2Pzj0IcYmP2+bm+UdEQ0SKQg8k 2aJH5K8mylqC1R7SIf9sPgkldXmVrjNju7JL8ynUe4ta1tjM/bZ2A7GL5kUT5pi2gLGGe3ka1SB T/wlWfprSXIH+2PpUly0+1BE+X7OdPN4uVtYVL2FRBPuFDitAp86yBVOTbkn7UhcK3U4FN0B1z2 APnkj4eYxG2ejcoM+iTFXEPQ4/lY1XSB38GYo5GJ1w7vssM2/i/oIWjsnXSvACWRKmdrmIbiK32 ZxUmA93hHrRMbv0xo1WJz8S9tNCEEKPN2yI+rU9qcksL/FF4OGuhbvMbHWsiwQVEwn17ae7bHGt sh5st7a4Xl4tWd4kXDj3VqCuAs5lTzsFW9YobsFwOExSEiTRPJJPzfspzKiM+Il5HIIu4vlaYWc LsmovfFab9hLMM4N0NZbc+2aONOnV05sPADnAzGWx5KI9FYyVjtCxV5fdccxM527+pZ7rNVbO8l XOZcQBkJ1brXoWE0XE7NnRytVI9oug= 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 | 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..dda533c852e8 --- /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: aclk + - const: ref_clk + + 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 = "aclk", "ref_clk"; + resets = <&syscon_apmu RESET_APMU_UFS_ACLK>; + interrupts = <135 IRQ_TYPE_LEVEL_HIGH>; + lanes-per-direction = <2>; + }; -- 2.55.0