From patchwork Fri May 9 13:22:11 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yixun Lan X-Patchwork-Id: 888986 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 1215F2951B3; Fri, 9 May 2025 13:22:57 +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=1746796980; cv=none; b=gm/Ou7pqpvgZOSHdVPEkDDBuHK376acbg6dZKMM3hO8NhVcGDZ2f+FbWi6csrywjeYF2MiRYp8ZuPcIOCy8U2nu7zj6wsZrbyeH3CVvGKd9rCOgYADnV8vhOrfENeRvLOuSnj8rJWwIH0pA6+QtajfaKYOIXExr3J5yflT74qyk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746796980; c=relaxed/simple; bh=2iC0S3nNd+mUxS2wD1OXShi88nihnVwChgARpJPrfL4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qD165zV3bLamQB+1a9ZWG5QRhgc+tWKQkfbdpqUVbSSNyE+G9gjXtGBYuoqBrji34bC33P2EnbasyLVWSnRTjKR5/koqS/pihBmxr2h0JR03z68Nyb9FEECJrHGfFX7ilJNR9o2qyR6Pc9/dgwWMQWhFlg+In8+IiOgOH5qYGpk= 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 [116.232.147.96]) (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 C2FAA33BEED; Fri, 09 May 2025 13:22:44 +0000 (UTC) From: Yixun Lan Date: Fri, 09 May 2025 21:22:11 +0800 Subject: [PATCH v3 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: <20250509-20-k1-sdhci-v3-1-526c35feaa20@gentoo.org> References: <20250509-20-k1-sdhci-v3-0-526c35feaa20@gentoo.org> In-Reply-To: <20250509-20-k1-sdhci-v3-0-526c35feaa20@gentoo.org> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Adrian Hunter Cc: Alex Elder , Inochi Amaoto , 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/ZANAwAKATGq6kdZTbvtAcsmYgBoHgGVemjycRD798EDLIseMN4UlE0vM+2DSlz82 I0cybB3QmCJApMEAAEKAH0WIQS1urjJwxtxFWcCI9wxqupHWU277QUCaB4BlV8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0QjVCQUI4QzlDMzF CNzExNTY3MDIyM0RDMzFBQUVBNDc1OTREQkJFRAAKCRAxqupHWU277ddgD/9pAMo/d2xYyKXMYN kDwzbfsVs0znb4ntQyiMt+w6koLArY7ejzMbkzL5C6v7AxHKlowrAVV9fBTLqmQwhT8B1I4Ko10 FGnA0lLhHHBVEyJS/iGtpMuXulUzkw8qEX/GfKfU66Y2JYZ1Z48tRzvoMe+ZaJbeI5JTbBzyPrz v/E3rlM9Hdx7LQIYy9MNS6ExWNkSbJWRhRu9WC///Elx5xe2sKe1wGTNbuHXkhdxPSaLaXGslW0 qdE6oVJk3Ty06B/qPZC+W3+JRfUeD9Pu+BqK44eGE2hcz1h5dTE8KaspwaoU8FlFFrwnT8QT8LK q01Wpjj8Bxejz2EKovQJhYAGk8Jv9LRfNaV1YsW+SqwB9jv4KkWVC+rgms0EtcwnDiistPZ06Au CChcGKqrohiu1PL7ow0YSGl+ExeLx9aMLYKNohpyicGyCyoJhC9EAYVh6pIZUSIQc95ECWv162r TRLp2MM06U9CbzN8mYfVCEBW60eKgRkNUEK9J0S46Zk3UG43MKYXAJPqaed8voRdVKuO+zRF028 8/StnbKvMpO83AWUqHHBPIFDGm41yUrjlgxeAp2pwXOlczlQNBHFpsyvDyzmZPpVk10U0BIkh/q YIL2MpffJx2YwhuHOb4j6TeWQz0B/AynfwXP1sph1CtYNQzrWO3o7X+2SPRxOal7QpQA== 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"; + };