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 3BFFA2D7DEF; Tue, 31 Mar 2026 17:09:07 +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=1774976947; cv=none; b=Xh2O3hdtx3M7Ks+cjauwiRYyNrf0dHYSR4D2DMK+gzaXkSdZyDZhU1EP8Jvh7wTG9kpL8yPzbKNc5nZUetUAb1cIyaZ5Q8ojmcILq7QgH/Twq6F3s6XX0ZOnszbmQeNtjhw6RboRfww7X9ocoGGT3rBFqFutDwt6YzChQivFjkU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774976947; c=relaxed/simple; bh=lnT0ZxeAl2yIn18t+TIpdN7gHa8MCprxTMd7O3Bl26g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=msXK+a4neC+VUIpsM7C1EH5/5+MYfA59Z6MW8s8NEg+AWXOwzl+6XywXKXEkghUKdhY5t3VA8zS6dI8ald0h+IaAxU2EHuLqqcEeDrwgeOrJqUIFzsb8AtmekpPAH/o6hEVjjoWPmTIfNK+phUPmao3EgUgJ6VgmlU+DDkptN7Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Slalop5t; 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="Slalop5t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6049C2BCB3; Tue, 31 Mar 2026 17:09:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1774976947; bh=lnT0ZxeAl2yIn18t+TIpdN7gHa8MCprxTMd7O3Bl26g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Slalop5tqTv4ihmZJsE+9sGVta2Fk+DErmHbZI4+/wZMaJpDADzkaE1rxGF4Wt9Cd VriijOLZ+otnIpUnb1woe/W0s4ACF8Q5nBJhkF/+P5yzweX5AsdPWJHa5YunmaDihD ajkLXGyK0grkVkuxGed0j2VQULMLXrNqoPSPQz4s= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Markus Niebel , Alexander Stein , Shawn Guo Subject: [PATCH 6.18 272/309] arm64: dts: imx8mn-tqma8mqnl: fix LDO5 power off Date: Tue, 31 Mar 2026 18:22:55 +0200 Message-ID: <20260331161803.573968241@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260331161753.468533260@linuxfoundation.org> References: <20260331161753.468533260@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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Markus Niebel commit 8adc841d43ebceabec996c9dcff6e82d3e585268 upstream. Fix SD card removal caused by automatic LDO5 power off after boot To prevent this, add vqmmc regulator for USDHC, using a GPIO-controlled regulator that is supplied by LDO5. Since this is implemented on SoM but used on baseboards with SD-card interface, implement the functionality on SoM part and optionally enable it on baseboards if needed. Signed-off-by: Markus Niebel Signed-off-by: Alexander Stein Signed-off-by: Shawn Guo Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts | 13 ++++---- arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi | 22 ++++++++++++++ 2 files changed, 29 insertions(+), 6 deletions(-) --- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts @@ -69,6 +69,10 @@ samsung,esc-clock-frequency = <20000000>; }; +®_usdhc2_vqmmc { + status = "okay"; +}; + &sai3 { assigned-clocks = <&clk IMX8MN_CLK_SAI3>; assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>; @@ -216,8 +220,7 @@ , , , - , - ; + ; }; pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp { @@ -226,8 +229,7 @@ , , , - , - ; + ; }; pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp { @@ -236,8 +238,7 @@ , , , - , - ; + ; }; pinctrl_usdhc2_gpio: usdhc2-gpiogrp { --- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi @@ -30,6 +30,20 @@ regulator-max-microvolt = <3300000>; }; + reg_usdhc2_vqmmc: regulator-usdhc2-vqmmc { + compatible = "regulator-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_usdhc2_vqmmc>; + regulator-name = "V_SD2"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>; + states = <1800000 0x1>, + <3300000 0x0>; + vin-supply = <&ldo5_reg>; + status = "disabled"; + }; + reserved-memory { #address-cells = <2>; #size-cells = <2>; @@ -233,6 +247,10 @@ vddio-supply = <&ldo3_reg>; }; +&usdhc2 { + vqmmc-supply = <®_usdhc2_vqmmc>; +}; + &usdhc3 { pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc3>; @@ -287,6 +305,10 @@ fsl,pins = ; }; + pinctrl_reg_usdhc2_vqmmc: regusdhc2vqmmcgrp { + fsl,pins = ; + }; + pinctrl_usdhc3: usdhc3grp { fsl,pins = , ,