From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5726A1093181 for ; Fri, 20 Mar 2026 07:31:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=xH0VS+5oYrn3GEvrAN6xwuAQOL7d7XH5bGrr/ehw4bA=; b=Cp0XR/KohHDztGJiW4xK4kFiQk COFAzC1j2CyLB7QENWXrHuRO+Vbv+W/5DW24dO0XAEi8HwbH0/NmmAJ6EXUWaMOT267/MXvO7rVll nW7u6m0dm6bOUgPy/CdCtXdu4zi/5PHgir6E6aT46Be6Kv3liRZ7+Xs865qVg96Ua1D60DCx4sx2Q qZMfMwfrad/FxvGbYv1S6ibCTW1p+/Zk4sgc5kXl3C0XIPqduzlEeQl4vobppmWk0a6rgywycW9fg Fjy7nITxccWOdj0Rl0YZbgdtlGxTpGu9y6xaBJz6uY53IMeYAWjUV0zSje3yQxeUj3rA0tkKSPSn2 288W6aAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3UJj-0000000CGi7-1Kvt; Fri, 20 Mar 2026 07:30:47 +0000 Received: from mail11.truemail.it ([217.194.8.81]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3UJb-0000000CGhV-3I6v for linux-arm-kernel@lists.infradead.org; Fri, 20 Mar 2026 07:30:45 +0000 Received: from localhost.localdomain (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 8381922AF7; Fri, 20 Mar 2026 08:30:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1773991835; bh=xH0VS+5oYrn3GEvrAN6xwuAQOL7d7XH5bGrr/ehw4bA=; h=From:To:Subject; b=SQUaOiMYYlx4nC7GBeForsimWHapq/xFJNRiTVN+d4rNv7E7bYLeNQ6J0AJnb3TYC gqSCi8nVIkLAj7XjTzEmvXEj6EkeIal0KgAkUCcnvSCTGwS/Pdl8g+dlsRvQlarvoC xDi7c1c7nP/yRskqIswJHpa/wTfKifi3S+plXjCwV8kvslxlU3Ej+/UOLOzw7T0yti cSuum902jauynv82BVr6A1C//gKNalHncxi0P56OGrsdJwNjOnLEO8gMkUwemDqf0I IyD2WyScAShMLOm7RqDBLixuyxxZIwekHpF6DrX68Ep1WnKwaBRT9iTm45WLiIcZSA 6a9JJG8b8uPmQ== From: Francesco Dolcini To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Francesco Dolcini , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Judith Mendez , stable@vger.kernel.org Subject: [PATCH v1] arm64: dts: ti: am62-verdin: Enable pullup for eMMC data pins Date: Fri, 20 Mar 2026 08:30:30 +0100 Message-ID: <20260320073032.10427-1-francesco@dolcini.it> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260320_003043_536856_B9BD5634 X-CRM114-Status: UNSURE ( 8.37 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Francesco Dolcini Verdin AM62 board does not have external pullups on eMMC DAT1-DAT7 pins. 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, 10kohm-150kohm per JEDEC), which may exceed the recommended 50kohm max for 1.8V VCCQ - JEDEC JESD84-B51 Table 200 requires host-side pullups (R_DAT, 10kohm-100kohm) on all data lines to prevent bus floating Fixes: 316b80246b16 ("arm64: dts: ti: add verdin am62") Cc: stable@vger.kernel.org Signed-off-by: Francesco Dolcini --- arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi index 2a7242a2fef8..09840a3b9fe7 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi @@ -572,16 +572,16 @@ AM62X_IOPAD(0x15c, PIN_INPUT, 0) /* (AB22) MDIO0_MDIO */ /* ETH_1_MDIO, SODIMM /* On-module eMMC */ pinctrl_sdhci0: main-mmc0-default-pins { pinctrl-single,pins = < - AM62X_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */ - AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */ - AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */ - AM62X_IOPAD(0x210, PIN_INPUT, 0) /* (AA1) MMC0_DAT1 */ - AM62X_IOPAD(0x20c, PIN_INPUT, 0) /* (AA3) MMC0_DAT2 */ - AM62X_IOPAD(0x208, PIN_INPUT, 0) /* (Y4) MMC0_DAT3 */ - AM62X_IOPAD(0x204, PIN_INPUT, 0) /* (AB2) MMC0_DAT4 */ - AM62X_IOPAD(0x200, PIN_INPUT, 0) /* (AC1) MMC0_DAT5 */ - AM62X_IOPAD(0x1fc, PIN_INPUT, 0) /* (AD2) MMC0_DAT6 */ - AM62X_IOPAD(0x1f8, PIN_INPUT, 0) /* (AC2) MMC0_DAT7 */ + AM62X_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */ + AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */ + AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */ + AM62X_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AA1) MMC0_DAT1 */ + AM62X_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */ + AM62X_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /* (Y4) MMC0_DAT3 */ + AM62X_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (AB2) MMC0_DAT4 */ + AM62X_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (AC1) MMC0_DAT5 */ + AM62X_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (AD2) MMC0_DAT6 */ + AM62X_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AC2) MMC0_DAT7 */ >; }; -- 2.47.3