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 3C71934CFDA; Wed, 2 Sep 2026 07:03:33 +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=1788332615; cv=none; b=toxaszJmPndOeDkm4KzXsRM1qduiubMQjdWZHrOuLKDZa3wvl9aKXB0ZqzJq82N0KYxzboNT+WbYY0zzqipv2EkwPdlsAUIVq0znNZJ6b55w70Jhnyrgk9uaoQ2Urus+zS2BBOexm12BqxMr+qDqj1u5OzjtUdGR9MTfxiNVWiY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788332615; c=relaxed/simple; bh=VL6VYZQvVN1Rx0nbvAwo07EnHRT3sy/Ukl3Opf/6Pao=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=IbTypMMBX1KJEpghHCmyxWs2m+fo/mzMzYcmjksJIqh9dK0xVzn1mNTKRcFLrV45cETyXhMUjUeM2ex3AQYL+RAFlbiEGcovXkvA9X0aOEOheCRswr61c8A4TtKAe3TiGj1R71h/4l/wdiXYPpyLCbXa2IP0UMvkf/TAKOXYh9o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R/k6UNWd; 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="R/k6UNWd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78EF01F000E9; Wed, 2 Sep 2026 07:03:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788332613; bh=xt8WntKHLQ3WUOjFrFUe90sMpWS4lqT9nni8qFU1Oh8=; h=From:Subject:Date:To:Cc; b=R/k6UNWdUKt6HBj9p+QFK7SBLTvF+kfnpA38Lxvads7WS5D91RtTpgpWOo3toCZBF qSPNkJde3WPy8aMCYA74Ch5XLhjFFDdAKHga0PS8cQMaQTlm6XuH9LbrfQ87A8jFTo Pp/euS0HDLqerrsbP5Fxkl6bsvIfuJaXdVvq6uEKoUbdQpOclenxQjctC5atks4iTu 4Yfhs4jK/4RVsJhBaWeL5XJxOLrCDrVjuYLvrQjyLv/5r9/qEADPuzwDAQLMiY0KzL K9M5GqnMxhhi7IrrLMvxPxnk50QSZBD7FD2E2dfB7YT6f5ul7/zJuQNX/3oR2h/gh9 qyyl0wCU9btWg== From: Yixun Lan Subject: [PATCH 0/4] mmc: spacemit: Introduce two DT properties Date: Wed, 02 Sep 2026 07:03:11 +0000 Message-Id: <20260902-07-k3-sdhci-dts-v1-0-4e7909cf4233@kernel.org> 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 X-B4-Tracking: v=1; b=H4sIAC/Kl2oC/yXMQQqDMBBA0avIrDswiWiwV5EummTUsWAlY0UQ7 26qy7f4fwflJKzwLHZIvIrKd8owjwLC8J56RonZYMnW1JBBcvgpUeMQBOOiWLnGG+cNW6ogV3P iTrbr2L5u68+PHJb/Bo7jBMRQ7QtzAAAA X-Change-ID: 20260901-07-k3-sdhci-dts-579b17b1e205 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=1016; i=dlan@kernel.org; h=from:subject:message-id; bh=VL6VYZQvVN1Rx0nbvAwo07EnHRT3sy/Ukl3Opf/6Pao=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBql8ozDg9JZh2sq/hcbhdopOPA0ckF6RcPklq8p DltZwtyBKmJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCapfKMxsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+1FYhAAhO1sjhIn1puoTCeol/AWdDzobbGCxj0q4HwDcZe8YZ/fgEQ9JJjMU 8iCnvrr7p+/GnupEUIcuO6nt8MuUnFvuu3vQdkogAOLmOj8m8wxisMXYMYKuC89QIxIdeomGIaO tjvxll7ch7dkd5sZnA0oRak4g6sNr9PBgbTv2KPLF5jH59CefZ7BIfNH1MFPY/SO+yHMRI0w44X Ntw/Ia/TsnLIThCoH7oZEER4jhzY+EgLkpEd49mslnw5aqhaenTZjo3c6qaoUzEzKJSaykmQVuL 0IUjYu1QXwxVFlTyYC8SV2FpTzW1hL5RWrU9hcBz41n+WA+Q8BehRjC680n2DVRN/voWbR6FXID XU+wBR66aCkJKRTMMHJPf/ZImpYHsvYJsIGScBxu3U2O2rmLf24kSH6javpooni1gMf0arHVMaM eQ95daQMWX+PHqZ0kQnXesmm6bczgrtrdzL6xSuKHRMYCP2hp33Ir9OABBidJSKZqrDvsukwFYO tKJrYgN8PkTFKZ+yilmhqbEcXBCI7lgabROlWUUle2zbBI129+ipz6PGrZXWDBr46OU7J7xqEdr v4RZ7FQjJV0NjH9wigEFCaqP50Mgar86KiKTViQkCvhvZIWw9fMYIf5W1R6zwfCzlEO0yuGPOxg O/ExpfRPemf68SwYza8N3+jXbd8bA8= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 In this series, we try to introduce two DT properties for SpacemiT SDHCI driver, A clock-frequency property to configure the rate of io clock, which needed to configure for SDIO mode. The tx delay property is used to configure the step count of TX delay line, which is needed due to varous hardware layout has different tuning settings. Signed-off-by: Yixun Lan --- Long Wan (4): dt-bindings: mmc: spacemit-sdhci: Add clock-frequency property dt-bindings: mmc: spacemit,sdhci: Add tx delay property mmc: sdhci-of-k1: Set clock-frequency of io clock mmc: sdhci-of-k1: Add TX tuning parameter .../devicetree/bindings/mmc/spacemit,sdhci.yaml | 17 ++++++++++++ drivers/mmc/host/sdhci-of-k1.c | 30 ++++++++++++++++++++-- 2 files changed, 45 insertions(+), 2 deletions(-) --- base-commit: cee9395acd8043be0644b25c34bfa86623f2b935 change-id: 20260901-07-k3-sdhci-dts-579b17b1e205 Best regards, -- Yixun Lan