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 E3D3336CE19; Wed, 20 May 2026 18:12:36 +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=1779300758; cv=none; b=ZU/vH4LML5dM9VZlvtNHgiTC9Z1lY5STJ1XyCTlCT+5XM9FrcdK42mxtR10np62BTVcE6DzzFsgqDVYYX2P5xzu3b7RvXj/eue/iVkupgq/YhTlSRjmzr9+G0SPAycLH6jAEDdqjwSFgLdcNw0d8cl1r9XxouRwuVQivkX3ozBc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779300758; c=relaxed/simple; bh=EkqvMHfHtRAo+QObK8rNbNu7LvsedYTZyBbpQN2uGJc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oARB7fYTnHcMjuCjOOZp9b42DjZ1hsNK0zHu5Ru4U5oL3NXDcgStaJ2Z+aTDLtKow9B0OtfPwNIdp7g467QdHyVpa4oZQxdIsNzgvRN+wlKb1MhLnQKMmJQa9SLwSqs26G+iN5EBC9ICrXtPs3gWPhlQ4+CMjbTpQ6DZ3xqhFag= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Sup8iy3p; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Sup8iy3p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3EA1F1F000E9; Wed, 20 May 2026 18:12:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779300756; bh=7bUQHXBX28MAi3oQonbQeFaDPraxnPHjsVuB2BZ8xXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Sup8iy3p0LIkwLCEMHvUn9q1E1pVEnk/h0FjkuQy7vzS0R7N6EM9hCZTVJ6GNJV3K yhOUbhJwsbqP7/1jXr8Bs5QNvoSTQ5iP48Kn8bVJiEaNIn7pV4BibWpADo+knkGTuk xOlNUroqdHGzAjHx/R/MJWvh5fQNOy48ml2IGpos= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Judith Mendez , Moteen Shah , Vignesh Raghavendra , Sasha Levin Subject: [PATCH 6.12 294/666] arm64: dts: ti: k3-am62-lp-sk: Enable internal pulls for MMC0 data pins Date: Wed, 20 May 2026 18:18:25 +0200 Message-ID: <20260520162117.588251572@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162111.222830634@linuxfoundation.org> References: <20260520162111.222830634@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Judith Mendez [ Upstream commit ee2a9d9c9e6c9643fb7e45febcaedfbc038e483a ] AM62 LP SK board does not have external pullups on MMC0 DAT1-DAT7 pins [0]. Enable internal pullups on DAT1-DAT7 considering: - without a host-side pullup, these lines rely solely on the eMMC device's internal pullup (R_int, 10-150K per JEDEC), which may exceed the recommended 50K max for 1.8V VCCQ - JEDEC JESD84-B51 Table 200 requires host-side pullups (R_DAT, 10K-100K) on all data lines to prevent bus floating [0] https://www.ti.com/lit/zip/SPRR471 Fixes: a0b8da04153e ("arm64: dts: ti: k3-am62*: Move eMMC pinmux to top level board file") Signed-off-by: Judith Mendez Reviewed-by: Moteen Shah Link: https://patch.msgid.link/20260223233731.2690472-4-jm@ti.com Signed-off-by: Vignesh Raghavendra Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts index 4609f366006e4..f050886e67c6d 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts @@ -80,13 +80,13 @@ main_mmc0_pins_default: main-mmc0-default-pins { AM62X_IOPAD(0x220, PIN_INPUT, 0) /* (V3) MMC0_CMD */ AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (Y1) MMC0_CLK */ AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (V2) MMC0_DAT0 */ - AM62X_IOPAD(0x210, PIN_INPUT, 0) /* (V1) MMC0_DAT1 */ - AM62X_IOPAD(0x20c, PIN_INPUT, 0) /* (W2) MMC0_DAT2 */ - AM62X_IOPAD(0x208, PIN_INPUT, 0) /* (W1) MMC0_DAT3 */ - AM62X_IOPAD(0x204, PIN_INPUT, 0) /* (Y2) MMC0_DAT4 */ - AM62X_IOPAD(0x200, PIN_INPUT, 0) /* (W3) MMC0_DAT5 */ - AM62X_IOPAD(0x1fc, PIN_INPUT, 0) /* (W4) MMC0_DAT6 */ - AM62X_IOPAD(0x1f8, PIN_INPUT, 0) /* (V4) MMC0_DAT7 */ + AM62X_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (V1) MMC0_DAT1 */ + AM62X_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (W2) MMC0_DAT2 */ + AM62X_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /* (W1) MMC0_DAT3 */ + AM62X_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (Y2) MMC0_DAT4 */ + AM62X_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (W3) MMC0_DAT5 */ + AM62X_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (W4) MMC0_DAT6 */ + AM62X_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (V4) MMC0_DAT7 */ >; }; -- 2.53.0