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 728533C8C77; Wed, 2 Sep 2026 07:03:36 +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=1788332617; cv=none; b=skPL0Il+FEEh2F8gFZccNAvsrlR0Wd+DK2hJlytWQGnBIoMOC5m+FXnpDykcPgqYH4bzlCoi2qQuZlpNxIXJEHqWog/pNjJJ7VSFlix5Rx773oQ59dSku8/tMORFU7QBgIIOwlyiSV6xAbwh2yZaYle5Dtksbba4/54oybNkws4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788332617; c=relaxed/simple; bh=xh+jDtZb+F1rSKor4ynd2B/GftrqAkME5NTX9HEOTTM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LwCRaIHMZBslf968GgBTznW13zhyQKDcnV4pZTaluKSI2i8rY1vrVUQt33QRuVZ0vlTWjLPWVaw+u/x3sXTqlVZLiXnb2IkLvhdh2Sb50t5aHcIH56x6I0WJfZcnLKQ/28vkTjGJvmjZkgmLtllrETVkwrM63oAxVUvuhDDJlPE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iDb8Hkeo; 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="iDb8Hkeo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2BA1D1F00A3A; Wed, 2 Sep 2026 07:03:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788332616; bh=WZyEXHqrqaseoXVmYy3LcvGU81uk8IViuMFIaeZn8bo=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=iDb8HkeoXvFrYa9Fxf7JboXclgGnS9WD6g/Usmqg0bQr3GGxKpwk0sZgiVu6bBLpd yiGfd9+m14tMiyeS2VqizbgD4LxUdVWOPhEpG9NdNyceRb/f3umsLOeP77BsW1OAck W8BNkrm65jA6py2op1ZzffjQ7i8zA8c5UbotPY92sydS7vIRJgUPc9wZdmksH6pLH3 lx0FNQuyEh+EAPIzSHtC7ckw6ckd/HKyP0V79cK2rWzFQgYzekQvKaeENaewjeJmwo GRbWrYoEqbM19sX34wz65fq15u8Sew3LnOucqDeiNTFPwU9X0WDdXFCFTY59LKt5os PYj6itKpL8Daw== From: Yixun Lan Date: Wed, 02 Sep 2026 07:03:12 +0000 Subject: [PATCH 1/4] dt-bindings: mmc: spacemit-sdhci: Add clock-frequency property Precedence: bulk X-Mailing-List: devicetree@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: <20260902-07-k3-sdhci-dts-v1-1-4e7909cf4233@kernel.org> References: <20260902-07-k3-sdhci-dts-v1-0-4e7909cf4233@kernel.org> In-Reply-To: <20260902-07-k3-sdhci-dts-v1-0-4e7909cf4233@kernel.org> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Adrian Hunter Cc: Long Wan , 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 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1225; i=dlan@kernel.org; h=from:subject:message-id; bh=0s33+SIAIsSvRrJal5a7lf5iGDthVMJEuouJO+809F0=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBql8o2RCCXdV8uWXJPuCAhkAJ9KDdYto2E9X4qU 74INxSxYsqJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCapfKNhsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+2oOQ//X0/Z5/emiJ1f33hhcm/usHUp48sRwGjB/fZNmOKhiyvrNaS7ISJy8 eg3rIRUN414M9jtencsfJz/M7hb/7XwHf+12Yk5afXbyhOX8U3S2qAJ+eVFRWY7U5EJrc+0rQVa II7dxork7DCiB4lHlRju0bz/YrX8bWx9Cjh57921mm8lEPON17/9U41dXYc0vICDmjuImT99DuH hv9s1LHi9CkKkpKujwZlGf/EsICPQu4ISge+T3JC4/d2z15HiQ1vTFueWeUnZBiaeNS4EDVUSXd uipWCp3IDxo/bfFKooiS0pVFQwJyOcBYcYSEgihd7D4FLCn3k7+Nm2Qe9zkQXfPNOyshfOyD9dx 6DJA0y08t2/2IUmymoOX//9zHGo2qRiElzsbJAcxOJlzpk+juwwyuPzeBsYvVj7ooydMa3AoVfP u7gX9seAT1GlpKEa+LIrMXPiyP1HHifTpK/nCAGzYM1bhw0xdeldh4zRHLYob6DXtdctpGMbcam PAVkpD5/NF5p9SHBB2OyxRELXThBt03Wx02S8wP2SUgBlBRiN+uoPd8L8OgJKvc6Q8ON592D3rQ YA/qcWUC0crlHgcL8MXzrPiHJzqJiNYPs2WCZf3XrAgu5VJfb3unc9X2qgrVIoK/sLfooZ8iLQT Etx8g1YXeuMgU1pZOogm6RWOvxPMOE= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 From: Long Wan Add a clock-frequency property to set the rate of io clock, according to various host controller mode it require different initial clock frequency, and also match to the board's layout actually validated at. Signed-off-by: Long Wan Signed-off-by: Yixun Lan --- Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml index 34d202af909f..f35bf7ce08dd 100644 --- a/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml @@ -29,6 +29,13 @@ properties: - description: core clock, used by internal controller - description: io clock, output for SD, SDIO, eMMC device + clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Rate of the io clock in Hz. When present the io clock is programmed to + this rate, allowing a board to select the rate its layout was validated + at. + clock-names: items: - const: core -- 2.55.0