From patchwork Tue Jun 17 13:25:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Beno=C3=AEt_Monin?= X-Patchwork-Id: 897451 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (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 A7A982C030A; Tue, 17 Jun 2025 13:26:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.196 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750166780; cv=none; b=O8CDtkV97llWpAOUHDWQ5n18ovUIxc5Y2lvjuAg3BwPPJCMfQEOyEqcZv4QQ2C/v730SenlpHm73VOkt83QAAbq+ZhyaXsJlw7ccdyS7HAeyUFcZiD77rrU5fcgUkxsyr6JvZzBXzfoOvfVfKZZ7lMJxG13MzXvYS3j+dMDmQOo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750166780; c=relaxed/simple; bh=EoQSVfjmQhFp8Pf1z8sIAQ+SUZ570j0AUSbWNVE84+k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Ns0+MWkIQvvwmuZBhX5fGi2rL1rSYAPCP1rSxP9IxvGsv6DVpIhKYLgJ7BW97if/tW4cFAoMSdo6RTtY7G8cF+uMCNY9CBM9swEOFPSop9a92IyW9j8ekUu4HwctyZCwPpBbP+TQGfhg80PDQw1Rr55JM0AUC5JyLHB0Kpkal90= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=OZPxq/YQ; arc=none smtp.client-ip=217.70.183.196 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="OZPxq/YQ" Received: by mail.gandi.net (Postfix) with ESMTPSA id F373343AED; Tue, 17 Jun 2025 13:26:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1750166768; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bCmIoAYmrqX3lAaHkyLHBfKbWm86bSCT79CFP9TUs2o=; b=OZPxq/YQLjpeydC4OOQVmZZXskhci/E+RaWXUKED0ACSVFX9/toSDIuzQNCQs8VElwPZXX dMiY2oMBp2fi3AivDrPkFDs66tBK8JHad8GX8Lo+TgG03up0pA8v9VrJWPYr2jo8wovUr7 HxRtUIiL+wBcP+K3NIjkhF1KzXVdZ49C/yxphKjrwCHI9xcJb8SQReWKe4JDSd5lJLFQ0z 7aMjkOIEjJwVqVaB0iodl4pt9V731csg9caImH7uiXKSNNcPAPDsumsIgdxk+Aeh7MKsKF K6SE/WGpEWKqffIkb5YZm+/JEMONl4Hg1bQUcupAIJy61DO88QQCBQCuCq4TGg== From: =?utf-8?q?Beno=C3=AEt_Monin?= To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vladimir Kondratiev , Gregory CLEMENT , =?utf-8?q?Th=C3=A9o_Lebrun?= , Thomas Bogendoerfer , Adrian Hunter , Masahiro Yamada Cc: =?utf-8?q?Beno=C3=AEt_Monin?= , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, "Thomas Petazzoni" Subject: [PATCH 2/6] mmc: sdhci-cadence: add Mobileye eyeQ support Date: Tue, 17 Jun 2025 15:25:52 +0200 Message-ID: X-Mailer: git-send-email 2.49.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtddvgddvlecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvvefufffkofgjfhggtgfgsehtkeertdertdejnecuhfhrohhmpeeuvghnohpfthcuofhonhhinhcuoegsvghnohhithdrmhhonhhinhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepvdfffeeiieejkeevuefhvdeggeefudffueeuffehffehffevjedugfdtueegtddvnecukfhppedvrgdtudemtggsudegmeehheeimeejrgdttdemudehfeejmehffeehmeelfeeiugemvgelvdehnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddumegtsgdugeemheehieemjegrtddtmeduheefjeemfhefheemleefiegumegvledvhedphhgvlhhopehfrhgrmhgvfihorhhkrdhlohgtrghlughomhgrihhnpdhmrghilhhfrhhomhepsggvnhhoihhtrdhmohhnihhnsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeduiedprhgtphhtthhopehulhhfrdhhrghnshhsohhnsehlihhnrghrohdrohhrghdprhgtphhtthhopehrohgshheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepkhhriihkodgutheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheptghonhhorhdoughts ehkvghrnhgvlhdrohhrghdprhgtphhtthhopehvlhgrughimhhirhdrkhhonhgurhgrthhivghvsehmohgsihhlvgihvgdrtghomhdprhgtphhtthhopehgrhgvghhorhihrdgtlhgvmhgvnhhtsegsohhothhlihhnrdgtohhmpdhrtghpthhtohepthhhvghordhlvggsrhhunhessghoohhtlhhinhdrtghomhdprhgtphhtthhopehtshgsohhgvghnugesrghlphhhrgdrfhhrrghnkhgvnhdruggv X-GND-Sasl: benoit.monin@bootlin.com The MMC/SDHCI controller implemented by Mobileye needs the preset value quirks to configure the clock properly at speed slower than HS200. It otherwise works as a standard sd4hc controller. Signed-off-by: Benoît Monin --- drivers/mmc/host/sdhci-cadence.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c index a94b297fcf2a..60ca09780da3 100644 --- a/drivers/mmc/host/sdhci-cadence.c +++ b/drivers/mmc/host/sdhci-cadence.c @@ -433,6 +433,13 @@ static const struct sdhci_cdns_drv_data sdhci_elba_drv_data = { }, }; +static const struct sdhci_cdns_drv_data sdhci_eyeq_drv_data = { + .pltfm_data = { + .ops = &sdhci_cdns_ops, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, + }, +}; + static const struct sdhci_cdns_drv_data sdhci_cdns_drv_data = { .pltfm_data = { .ops = &sdhci_cdns_ops, @@ -595,6 +602,10 @@ static const struct of_device_id sdhci_cdns_match[] = { .compatible = "amd,pensando-elba-sd4hc", .data = &sdhci_elba_drv_data, }, + { + .compatible = "mobileye,eyeq-sd4hc", + .data = &sdhci_eyeq_drv_data, + }, { .compatible = "cdns,sd4hc" }, { /* sentinel */ } };