From patchwork Thu Apr 17 18:26:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 882524 Received: from lelvem-ot02.ext.ti.com (lelvem-ot02.ext.ti.com [198.47.23.235]) (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 0C43E263C6C; Thu, 17 Apr 2025 18:27:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.235 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744914429; cv=none; b=ATm5eP2S3kAYxnCH2WcagsnaF5y/Rs4B7nL5AQY6EWPJdytslrNUvuKOw0UzXkZRB/cHDl2CCgRTbO56VvTMMAKIgaZvTZNHN8d1chs+taFy96D5djFrL1HehsJgYgMQUJ/fSzrtrgMMnbdATG/2ev2fKSXp2ynwo+URQHCKFUg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744914429; c=relaxed/simple; bh=kxO0jmq1J22W3tO6NM7xuzhBeyCuXVIlMZCgAT0+vAc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=UF5Olc5W1E6alFCV4G9QwQn7ptTSX9WA/VRHWlH4iUHvTx4bhnkIql5G3T1IFMmYeA4q29E0jcgKpyDuYowiCuU12e8llvls/gm3Dsf2rkLAU+ay17U9ji1tiRJ3BBE64GMes3TetZBDFB/kJOLdliHaMsrC78ghLosUbU7UdHc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=qF+AcnL3; arc=none smtp.client-ip=198.47.23.235 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="qF+AcnL3" Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelvem-ot02.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 53HIQqJn776763 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 17 Apr 2025 13:26:52 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1744914412; bh=Ohlrv8p/nL5mcOJYJvnHA1762wddtfXr8KDSWobN6+I=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=qF+AcnL35EJgCRWeBiYxNs7i3gd/q9FqAv0Mc5w013g4x+bimybTDT9Jeq93rFzvq /aXBmpVTQCPfoQbX+25HRsbG6G8Q/tRrk3ON2w2ybW18nz5Y6WolSzlf7O/DxsGlSE tR/L/wpOttshOZEThxuXRmgdN+Z16fIaYoP6yswU= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 53HIQqZE026443 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 17 Apr 2025 13:26:52 -0500 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 17 Apr 2025 13:26:52 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 17 Apr 2025 13:26:51 -0500 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 53HIQqh7078217; Thu, 17 Apr 2025 13:26:52 -0500 From: Judith Mendez To: Ulf Hansson , Adrian Hunter CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Josua Mayer , Moteen Shah , Francesco Dolcini , Hiago De Franco Subject: [PATCH v2 2/2] dt-bindings: mmc: sdhci-am654: Add ti,suppress-v1p8-ena Date: Thu, 17 Apr 2025 13:26:52 -0500 Message-ID: <20250417182652.3521104-3-jm@ti.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250417182652.3521104-1-jm@ti.com> References: <20250417182652.3521104-1-jm@ti.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea This patch documents ti,suppress-v1p8-ena which is a flag used to suppress V1P8_SIGNAL_ENA in sdhci_am654 driver. This quirk is necessary to fix fail init issues across various types of SD cards tested on Sitara K3 SoCs. Signed-off-by: Judith Mendez --- Documentation/devicetree/bindings/mmc/sdhci-am654.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml b/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml index 676a746953893..0f92bbf8e13b3 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml +++ b/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml @@ -201,6 +201,11 @@ properties: and the controller is required to be forced into Test mode to set the TESTCD bit. + ti,suppress-v1p8-ena: + $ref: /schemas/types.yaml#/definitions/flag + description: + When present, V1P8_SIGNAL_ENA shall be suppressed. + required: - compatible - reg