From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 83D9C3E4C99; Mon, 4 May 2026 14:24:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777904695; cv=none; b=dNsCvzVOTiW0xaBdF1r9hpZ6yv2SNAXHtV2KdL9cdo3m0msZ5ivar3UbeGkwKw4HOjPu3EWyKOSw3M5dDXpvNToWOXYw/Q3tJfiGr6y37MiHBcNo/9sQlaWda8jc1tl6obFrKVIWMih8WF4JPqKID930/t18w0jrE83AOvBaNEI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777904695; c=relaxed/simple; bh=eeRyGq3I1See2KOUbDsmhMBKy1AgIVx3srSWVlt3KlU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Mpsehl3KvK7cBt+Pw47djMSrlONvGtQ3OXBz4OLTUN1Uem/dggdQYOu/78KVNiJt8gh4B06WBZzhS/HcHdHDb+Sfb+w5vFRyXFSrwvFWjtOCoVvHtr6CmtbBt9dznhCvvrT8aVACZRH3b1Tmfm4b4F4dT+Vo2z4mA5A7m1/OkfM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uxRJCT+A; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="uxRJCT+A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF378C2BCB8; Mon, 4 May 2026 14:24:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1777904695; bh=eeRyGq3I1See2KOUbDsmhMBKy1AgIVx3srSWVlt3KlU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uxRJCT+ANBqSUGwPjPy8F/0CckvJXqM0Zzc/KkvGPINK5OBFuOvJxd9Ks5+wER21Z BF9jZWJ0GXiPzZq4IXX2lB4NHJVQhkXQBKgqa2xfZ4B9qI73prObVVup1M1u6ZHMZU pEdvoaE1qSwsMQNyJwG9as+FzuHjVVpEQFRN0QxM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Francesco Dolcini , Vignesh Raghavendra Subject: [PATCH 6.12 105/215] arm64: dts: ti: am62-verdin: Enable pullup for eMMC data pins Date: Mon, 4 May 2026 15:52:04 +0200 Message-ID: <20260504135133.988148615@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260504135130.169210693@linuxfoundation.org> References: <20260504135130.169210693@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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: Francesco Dolcini commit d5325810814ee995debfa0b6c4a22e0391598bef upstream. 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 Link: https://patch.msgid.link/20260320073032.10427-1-francesco@dolcini.it Signed-off-by: Vignesh Raghavendra Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) --- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi @@ -566,16 +566,16 @@ /* 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 */ >; };