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 4AB4D175A88; Wed, 16 Sep 2026 03:00:18 +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=1789527619; cv=none; b=XJ6SJOD6GWuVbfCgq9z4jZdd0OosgrSH/n0bdIXj7yMN7SocjGGvdZvT6DWgfHMtPcvVZcpYgrUor/WAAJLZ5fMoMkTbDsgpKdXsoYPzXetlYszxa5iiSyLq8c3dDOnMGNJG29HA9CQyeWwVacpqkho8QKTAlGZI+1IFzVOdIXc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789527619; c=relaxed/simple; bh=r4HfCvyvP+oc+XKN13XucNXtX6AXjd3A/sn2IsmO2pU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kePRyVe+U9rYnNcpX7eAbYsW06PnmDjXPPVxsPcgiJUgAIkdPKZ/jpG1YVMm6gSzQhCn0P1cxdbC1uLqiNJ1G+LkejuLDMcHYM8i3O9wbSikt7UQN5eMQmlNHgqknEpqNyy3q7Gf8fGRrczPkxMzOXA666xqXDnCi8iWZPVdIJY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L0D/6wE2; 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="L0D/6wE2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40E731F00898; Wed, 16 Sep 2026 03:00:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789527618; bh=UlhJ9vAyN4mHuYSRvRgKEn68Lr+Twi3vzz7+VSRMtnA=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=L0D/6wE2Ac3iiGLA0YnVWlxnTK78GHk5Dzo+kyGQt8BQ4OKO6RUyiwZxhh1hg3rzl jxIAsPcvjHlKf37uevV7EF+LDStzdadWfsVMWU9rqjNVSDxoLpT4eJb80agP2SbUfb 5VZ525VECRTR15inQqkj0IBGAPfMqB/+XQEpNBRmricNnl9CzgdLezF2E+Oab2Ch30 qmWnIe3cIDuaTk/Sg9zwA727Di1m7PbImEi49wE1WWaiD2hvgCewphel9dcclN6nXx 1DAqTQZFos946tydEiK2u7zZV+CIAm360DYWfOQrkXuSCctQzPJChq6tEFu+6pBNMR lUqYuXgZj1iaQ== From: Yixun Lan Date: Wed, 16 Sep 2026 02:59:53 +0000 Subject: [PATCH v5 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: <20260916-08-k3-ufs-support-v5-1-1f5d71f1027d@kernel.org> References: <20260916-08-k3-ufs-support-v5-0-1f5d71f1027d@kernel.org> In-Reply-To: <20260916-08-k3-ufs-support-v5-0-1f5d71f1027d@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=2195; i=dlan@kernel.org; h=from:subject:message-id; bh=r4HfCvyvP+oc+XKN13XucNXtX6AXjd3A/sn2IsmO2pU=; b=kA0DAAoBMarqR1lNu+0ByyZiAGqqBi6gciJP6I0eC2xDzLWDWQd/XnGlYbM2joBgJG215JTdP YkCrwQAAQoAmRYhBLW6uMnDG3EVZwIj3DGq6kdZTbvtBQJqqgYuGxSAAAAAAAQADm1hbnUyLDIu NSsxLjEyLDIsMl8UgAAAAAAuAChpc3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9 yc2VtYW4ubmV0QjVCQUI4QzlDMzFCNzExNTY3MDIyM0RDMzFBQUVBNDc1OTREQkJFRAAKCRAxqu pHWU277Y+SD/9BXzdhfl0mvQKNsiHX7qkmSMoIutErTxBXl8mwrLneEVMmhBk93DC9hvBl7g6ga zC3GzQmJYQ/2OPU60IMwrCyAgsSX7MAm9o/GgVtyJyQH7okB64OnJ20aO+7eUZeHVlXN+JVQADC Eicfwf4f/0F2E7d33mLF6WHZXPTSXJ6TJpZ3ChT1RXe+Is56E9RMp7kdlymkcLxU9fJz++UouZH OSh9Uap9q52GOQP/HWj4QlJ/OvFifh4gjuonnYvGXupLlGlvcOkI/zUG8W8t2IMuaMS21oz7ql3 2kS4Sxz6xkPI6nzndLA8iARaeGD6Ci+Uu6oOKZVzB017H2S/Vg2OJvnmx98IHraHFAFYK6n4BL3 xm2M7ZeColKcn6wWP4pkg6dnRWK39GX+P+yC+rVouEOzdY1vxH7PIenski2pgh9v3PKOplGB6rO zkIk6XthlWfijOyHgCinw4hJwwvqLR6wfsKD9NIAdtvjI8xa3pefL0gwMQed/6Crmgm9Vj5//Qu nh/rPkpDIMaaPkFz6QzaDWUSqPIV3Xr0NOUa2GFtwYXMlU/ta7u/XNytVQmjR3fJBVdN8W2u+g6 1WCXqa+YbqmXahqarInEUyxtpHQa6QJAuaA/B80R5gKUA6KUTH2YAzjuhIFWyL+P5qwQOfK9b6x 5cQkywulr7UryGIERkz3Q== 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..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>; + }; -- 2.55.0