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 6DF753A2543; Tue, 8 Sep 2026 07:42:29 +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=1788853351; cv=none; b=ADvMIfP6wGU3gE2F8OwYhXIpYyhBhCDp+KdUqFIoY0k1Jtze5jyn38OJQm4km1QFOpTUbO3tN1FeYKD+1LhnWqzJfqv9lM6K4rIBIxanvgtJ8N1dVKIzGqKu09mi9dNckjRZNCVcOUkqBcSgNuLrM2F6zHLw/AkKoOmXkxLVu8A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788853351; c=relaxed/simple; bh=rk95kKGG/SkoEMHzqicwZcRd7bMRmZDFgL6+fZ2Pbbc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LIhi7Qn/mH6fPq+muEn+qwl6x/H5pLd36GdLce3dFN6+ezbhZlb89zRhQcBPYO+qN2h+iMws4MKvuY5QfJOCblrZQ7h+vc1vsGBSCzfsRkFrZw3q25tQoJoCaZ7bxuF88rnVVJ7EEUF8VvznTBbCVYIcyjMiatHL2EzfIKGDw2Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e6um0j6E; 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="e6um0j6E" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9567B1F00A3D; Tue, 8 Sep 2026 07:42:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788853349; bh=tV9IUwoo59NJmLmcHHMkUhsXWOY7J5vyTiJOpbYBP9Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=e6um0j6ESrucysFwkf5r6HNWPzsTc0+Gd93YE8eQkDV0O5ssn78IWL99LdE7Lj/vZ AHWFpovcNjiZJhO8dfW8UzVJ6bgv1U+zlq4t9kgCn5HsE5ZrcbYE24InaIXEWBfvZz 2rWidil0WTTqxbmU8KrvMfWhrgGhqnH1edKo8n3+7ipLW9xCoHnOfVwQvSgJhRNzQn tRnQuk4K2XFFvtn2KeGgZ9altvoovhbdIYSmKHULsC+URcWcXuiVMZryg6Wi8aeRAH W0aCMb8ME7XL6+6OWX0dYkGL3TxUpGe37TGFp28t/wuht9lgp93RS7K2cxa3NV5J9Q ll3C5m+AL6RJg== From: Yixun Lan Date: Tue, 08 Sep 2026 07:42:03 +0000 Subject: [PATCH v4 1/3] scsi: ufs: spacemit: dt-bindings: Add UFS controller for K3 SoC Precedence: bulk X-Mailing-List: linux-scsi@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: <20260908-08-k3-ufs-support-v4-1-22aa2bd97d3b@kernel.org> References: <20260908-08-k3-ufs-support-v4-0-22aa2bd97d3b@kernel.org> In-Reply-To: <20260908-08-k3-ufs-support-v4-0-22aa2bd97d3b@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 X-Mailer: b4 0.16.0 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/ZANAwAKATGq6kdZTbvtAcsmYgBqn7xR5wtNpffnuxRFGP1wvMK84k0sxnS1iCz8q o8c4X4MiRWJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCap+8URsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+1zbQ/6Aq+/pye8H0hu9O5u1yZRP39vD1lsFvltjrRqjX6kcGov/2fIGVAUO rfEqQRIsvy2aYsYk/L8qynu4+dEjBr0f1mJlJrQP6c/8hGoyETROQSDIYlR4tNq4aF6sjsu9Pzt +lCt8vs+X9p64Ap1UfviF5/73t1e0wvLg4v/E2YRFPJ6sAvzqOgPN18u4wO/FdE9rS61ppwzdfu kvuQ1IkXmmYKgK5xZiR15cMEH0RVVNFqXBrs/D+wDWf3RaA0Qy8vlgNo75Fb39ILLA5piDpCDFY g2sRw++KrXCp1ULNU/0uIbtzEvGDsdnlF220SlULNzVYkiiF4ChPKNuGVoDM3gi9SJLOFEmmr2A zI7kYYfWqm1vfqSn9rktTdMFtbPTkF5tlhMuJDtO370fOuyNB7/PuGIxrK4GZ+zfCox9AXXcq68 su9H13StUaDlb3AplqsgPxLINMpAxnyx25Nxsn5PynFpFSPIwqaX0aheEYTEpUy19iZZQrj3NRC 70+3RcjFfKnqmHJZaAJZAu1BxKEonLwcCj41/q4Jkox8M/PgVBQFM3cmBtBJSg/gMWPp9L3OHYn DvWZKHATf282ZJW4uOxcnUYvc92m3pulDqRi8EGv350OTof8+kbFy9rLqnRTo+P6ZuE+k5/Gq2f yaSezlEZCgwTGq5hq1tUTBDBqclruI= 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