From patchwork Thu May 1 08:50:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yixun Lan X-Patchwork-Id: 886867 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2606F1E5B6F; Thu, 1 May 2025 08:50:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746089458; cv=none; b=N2t2qluCN7QHrzyIQAydzj6Yp1/MawAlHrFkAZtr5QM6pZMQ4VUhGNi3FN39XbGvhB+TwShzmsh4fwzjZ5TItxZeJPdBb1n/Yziq84viTZ3/V2kGByDi4QQW08XFf3REutkIbFvAcufbhs2oQfjd0YueHKQx4tHqbeMK0gt6ckw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746089458; c=relaxed/simple; bh=2iC0S3nNd+mUxS2wD1OXShi88nihnVwChgARpJPrfL4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=m01G/+y4mjTmuWNWMOYION2OxrvA5kKedRg9dpLqGH59glOXCGLrjZ1lfJhBXMOXhwzKIIQwfxRxD9v2ZEAO/CHbJ/LJxj+skUlXjEU0dsBZdkDNF+aL1pnblXJC0hcTphmIfB1iClgPRBl1N3mNDM93WHPeb7rkL10kYcKpyPQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org Received: from [127.0.0.1] (unknown [116.232.147.253]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dlan) by smtp.gentoo.org (Postfix) with ESMTPSA id 9A481340C3C; Thu, 01 May 2025 08:50:53 +0000 (UTC) From: Yixun Lan Date: Thu, 01 May 2025 16:50:21 +0800 Subject: [PATCH v2 1/2] dt-bindings: mmc: spacemit,sdhci: add support for K1 SoC Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250501-20-k1-sdhci-v2-1-3e7005fae29b@gentoo.org> References: <20250501-20-k1-sdhci-v2-0-3e7005fae29b@gentoo.org> In-Reply-To: <20250501-20-k1-sdhci-v2-0-3e7005fae29b@gentoo.org> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Adrian Hunter Cc: Alex Elder , linux-mmc@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-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1814; i=dlan@gentoo.org; h=from:subject:message-id; bh=2iC0S3nNd+mUxS2wD1OXShi88nihnVwChgARpJPrfL4=; b=owEBzQIy/ZANAwAKATGq6kdZTbvtAcsmYgBoEzXiuB0ELTpd5KRo4ZYc3gHUYBPUWI1gWZiSh E0pyU+rQWyJApMEAAEKAH0WIQS1urjJwxtxFWcCI9wxqupHWU277QUCaBM14l8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0QjVCQUI4QzlDMzF CNzExNTY3MDIyM0RDMzFBQUVBNDc1OTREQkJFRAAKCRAxqupHWU277a7dEACTjn9pJJadovd5+Q rwW+FN/GXE5c+FD9XZdTooCbh2UWFqYTnLn5JLV8AMNC7Vyu8WfxAwZrUYljh5R3BfX9mbPi1PH 2xF547ZuZ866Xyl7vvz52MrbomqqitTWYAQRpeXAu3feV1MLfR+n9cmKpyI+ZXz/Jiiu8M87BbZ GZo9MOyBWvZ17wIYWZKb8htp9pDbZDlbHasWfVUSbTdWNrRpKp4HG1AtD/nVVOQZt1880RHtLaQ s0pXq2O6bIGiKO377a30Kza2VsoL5HDzKSJbWPdpLAtoy+Ec19owaFM0CYD7Lb2OKdY0gW0XRA8 TU/tZuU18overqzQfvqe0BFT3SKZlwbfSMVQaHODgNC7oRpPIKfjJoHvVmY8LDFBrzX9Jf5GhPe IHl00YLoIm8hbSUdyGa0LIjVfF3gqtf3ZSfhUP/l7xjBDVH6OPWnX6KKo5tmEADeOtBWVdcE9gK RexZ9kIIecwrgvZEmHHRmelgsDLfe2Um2KWWcG7FliBr2R4nO582keIMn5kHZDSk0Wpz5v/7p55 gyb2OFh1sQOIwjik9/zAi+i30cMAQUCg/7PAWYnEwz7RqZrcATNnoZlX8315mZ5pncYoZ2RkHuZ SY+p7jq2xA128dIRoMPeLfn+PDSTvQ0NbpY7qRNOFdsn2P78glJ0gXdBN/0NHgajDynQ== X-Developer-Key: i=dlan@gentoo.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 Add support for the SD/eMMC Host Controller found in SpacemiT K1 SoC, The controller supports data transmission of MMC, SDIO, SD protocol. Reviewed-by: Rob Herring (Arm) Signed-off-by: Yixun Lan --- .../devicetree/bindings/mmc/spacemit,sdhci.yaml | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml new file mode 100644 index 0000000000000000000000000000000000000000..13d9382058fbc1c12be1024d1c550f04a825673c --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/spacemit,sdhci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SpacemiT SDHCI Controller + +maintainers: + - Yixun Lan + +allOf: + - $ref: mmc-controller.yaml# + +properties: + compatible: + const: spacemit,k1-sdhci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: core clock, used by internal controller + - description: io clock, output for SD, SDIO, eMMC device + + clock-names: + items: + - const: core + - const: io + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + mmc@d4281000 { + compatible = "spacemit,k1-sdhci"; + reg = <0xd4281000 0x200>; + interrupts = <101>; + interrupt-parent = <&plic>; + clocks = <&clk_apmu 10>, <&clk_apmu 13>; + clock-names = "core", "io"; + };