From nobody Thu Apr 2 05:04:55 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3FC1C2E1758; Thu, 19 Mar 2026 14:07:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773929261; cv=none; b=IZ5RapYJkqbQDIVIW4iDv1Uo6fuRCLiKt5wfHyZo05DeZmZEe0glLOnXIrWOD3lp3yJGtCLujRsrf0BNtu5Wlkoyadz4anZ1QMcWF2XbeHTCcpaHdphsZpQqeb/HW49ujygCVmuZGmuBozCxgv2+v+4wbLx0mWqTATztt3WRQkU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773929261; c=relaxed/simple; bh=N8DJbwoKaCi0A8gSYamTSQku9py5ds3O1ZivTUK4iCI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=l4YclITdzewRbQ78+RuTwCUWqk7dfOJXjdE9q/2z6CmD1WibfO5lw5zul5hB1GQG5VA2QM+261C+nqSweVPBj44tVruQQb5/Gsvic6e3C+hDF2SVifqgtp6mDRZTCGsluT3Ee2CN0b6l59Fwz5l9TDlFzWMQAxhooIHXan5k9LY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from duge-virtual-machine (unknown [183.192.222.244]) by APP-03 (Coremail) with SMTP id rQCowABnieAaA7xpRC4mCw--.14810S3; Thu, 19 Mar 2026 22:07:25 +0800 (CST) From: Jiayu Du To: krzk@kernel.org, ulf.hansson@linaro.org, adrian.hunter@intel.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, gaohan@iscas.ac.cn, me@ziyao.cc, Jiayu Du , Conor Dooley Subject: [PATCH v5 1/3] dt-bindings: mmc: Add sdhci support for Canaan k230 Date: Thu, 19 Mar 2026 22:07:03 +0800 Message-ID: <20260319140705.123502-2-jiayu.riscv@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260319140705.123502-1-jiayu.riscv@isrc.iscas.ac.cn> References: <20260319140705.123502-1-jiayu.riscv@isrc.iscas.ac.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: rQCowABnieAaA7xpRC4mCw--.14810S3 X-Coremail-Antispam: 1UD129KBjvJXoW7tw4UWrWUur1DWw43CF13CFg_yoW8ArW8pF Z3AF9xKr4rGF13Zw1ft3Wku3W3KF1vyr4Utr1aqr1xWFsYq3WUG3y3Kwn0qr13CF4xJa4a 9FW7ury5G342vr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQ0b7Iv0xC_Kw4lb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI 8067AKxVWUGwA2048vs2IY020Ec7CjxVAFwI0_Gr0_Xr1l8cAvFVAK0II2c7xJM28CjxkF 64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWUJVWUCwA2z4x0Y4vE2Ix0cI8IcV CY1x0267AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r1j6r4UM28EF7xvwVC2z280aVCY 1x0267AKxVW8JVW8Jr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I 8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCF s4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFI xGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2AFwI0_GFv_Wryl42xK82IYc2Ij64vIr41l 4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67 AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8I cVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI 8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v2 6r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxU2BMNUUUUU X-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" The Canaan k230 uses the SDHCI from Synopsys. Add compatible strings to the k230. The k230 has two controllers. MMC0 supports eMMC, while MMC1 supports SDIO. Signed-off-by: Jiayu Du Reviewed-by: Conor Dooley --- .../bindings/mmc/snps,dwcmshc-sdhci.yaml | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml = b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml index 5cebe5eb1efb..2e3ac1053065 100644 --- a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml @@ -23,6 +23,8 @@ properties: - const: sophgo,sg2044-dwcmshc - const: sophgo,sg2042-dwcmshc - enum: + - canaan,k230-emmc + - canaan,k230-sdio - rockchip,rk3568-dwcmshc - rockchip,rk3588-dwcmshc - snps,dwcmshc-sdhci @@ -57,6 +59,11 @@ properties: minItems: 4 maxItems: 5 =20 + canaan,usb-phy: + $ref: /schemas/types.yaml#/definitions/phandle + description: Phandle to the Canaan K230 USB PHY node required for + k230-emmc/sdio. + rockchip,txclk-tapnum: description: Specify the number of delay for tx sampling. $ref: /schemas/types.yaml#/definitions/uint8 @@ -89,6 +96,27 @@ required: allOf: - $ref: mmc-controller.yaml# =20 + - if: + properties: + compatible: + contains: + enum: + - canaan,k230-emmc + - canaan,k230-sdio + then: + properties: + clocks: + minItems: 5 + clock-names: + items: + - const: core + - const: bus + - const: axi + - const: block + - const: timer + required: + - canaan,usb-phy + - if: properties: compatible: --=20 2.53.0