From patchwork Fri Oct 15 12:48:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12561403 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 256F1C433FE for ; Fri, 15 Oct 2021 12:50:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EFE4060ED4 for ; Fri, 15 Oct 2021 12:50:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org EFE4060ED4 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=fris.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=XVAwCZfAzRQ2hCUKxt3B3oIXTO4xS0+uxuNfezO6y6E=; b=oGsMTPDjljCybf s+7R9sJ9XggGDFuGWa+DHVRb2CQTIsAS7ESEsWq4zolft7S+pGcUMKA4Fz4NZkUOc5aQWxuxJHVgE qiCNT/lwgqcnpKN2EAWGJQkSn0v8crwA6w5GDV7OOzvLrNx3gx1mr7iCpQzLaXShfsNf4J/Oi/EbC +ZKBjVdPWybQ752pjKWeB/kUDtA2CeV3pnHHUye9j4UgObSoaN7YPzzJSbT9fG0hZA86pXwYBGLCt QFMurDbfY4GC9JCG/TRAeUcyzq5qJFMMCXdk4GWeA1Aijt0qqcYQrEfLuimwrHfuvTbci8m+lyq5B QOVV8ElWAfpPXqRARjqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMeI-0070Bu-P1; Fri, 15 Oct 2021 12:49:22 +0000 Received: from mail.fris.de ([116.203.77.234]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMe9-00709t-R6 for linux-arm-kernel@lists.infradead.org; Fri, 15 Oct 2021 12:49:15 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 8B089BFBEE; Fri, 15 Oct 2021 14:49:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1634302144; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=gGkJ6r4naCo3lRMpJdXIMzGVr36JcaJta+yBdVR+9gI=; b=VzlB3nVXLSjPTnEeCv+Y17dXGq8VFWXhqcOBl4oFan4S3/0nxDsk+wlzM3DEhGOhrThC2U HIs+RU8QWFzIpjlubGBoJCEp4UjCNPGqIUzLtCaTAcdD5m6IuKBjpBlnoiVuGYQHuHtw3i ImmPYZp9oSSpA3DPieKVBxPiuBByOUdMkWsPCAnVhBeYxBiHguilQQ56aj5J0DUjWaJNNH 2phYmuxxMzY5FeFhD/n70TG8HISxPDCQSTTUjA6WNePrTDecZQLhxZH3177uc8x1cYMwzy owy3iz+AA4dLjw0NwQLPmhnQfPf9ImWpnW0o/KNJXHz5exIHS9Jj87YWWbLIcw== From: Frieder Schrempf To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Frieder Schrempf , Fabio Estevam , Heiko Thiery , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 1/6] arm64: dts: imx8mm-kontron: Add support for ultra high speed modes on SD card Date: Fri, 15 Oct 2021 14:48:35 +0200 Message-Id: <20211015124841.28226-2-frieder@fris.de> In-Reply-To: <20211015124841.28226-1-frieder@fris.de> References: <20211015124841.28226-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_054914_072122_B0395C4A X-CRM114-Status: GOOD ( 11.35 ) 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: Frieder Schrempf In order to use ultra high speed modes (UHS) on the SD card slot, we add matching pinctrls and fix the voltage switching for LDO5 of the PMIC, by providing the SD_VSEL pin as GPIO to the PMIC driver. Signed-off-by: Frieder Schrempf --- Changes in v2: * Fix pinctrl node names to match bindings --- .../dts/freescale/imx8mm-kontron-n801x-s.dts | 28 ++++++++++++++++++- .../freescale/imx8mm-kontron-n801x-som.dtsi | 2 ++ 2 files changed, 29 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts index d17abb515835..5f6fc4c2c529 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts @@ -189,8 +189,10 @@ usbnet: usbether@1 { }; &usdhc2 { - pinctrl-names = "default"; + pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc2>; + pinctrl-1 = <&pinctrl_usdhc2_100mhz>; + pinctrl-2 = <&pinctrl_usdhc2_200mhz>; vmmc-supply = <®_vdd_3v3>; vqmmc-supply = <®_nvcc_sd>; cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; @@ -319,4 +321,28 @@ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0 MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x019 >; }; + + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp { + fsl,pins = < + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x194 + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4 + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4 + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4 + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4 + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4 + MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x019 + >; + }; + + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp { + fsl,pins = < + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x196 + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6 + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6 + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6 + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6 + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6 + MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x019 + >; + }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index 9db9b90bf2bc..6eacc32bc95e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -86,6 +86,7 @@ pca9450: pmic@25 { pinctrl-0 = <&pinctrl_pmic>; interrupt-parent = <&gpio1>; interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + sd-vsel-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>; regulators { reg_vdd_soc: BUCK1 { @@ -226,6 +227,7 @@ MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3 pinctrl_pmic: pmicgrp { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x141 + MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x141 >; }; From patchwork Fri Oct 15 12:48:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12561405 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 109CFC433EF for ; Fri, 15 Oct 2021 12:51:04 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D1DFC610E5 for ; 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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMef-0070IN-96; Fri, 15 Oct 2021 12:49:45 +0000 Received: from mail.fris.de ([2a01:4f8:c2c:390b::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMeE-0070B8-UT for linux-arm-kernel@lists.infradead.org; Fri, 15 Oct 2021 12:49:20 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id DEB32BFC0F; Fri, 15 Oct 2021 14:49:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1634302156; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=b3WwxseBuxxlm1edv2TBXG5FbEqMfGNzQKzPCy8l4AI=; b=T3B2ZHCYIOEjYoN2Fy5rz6oP3gJ3f7yXxiTpjRyXgUuZSaeRw2XJysmckQs/RE68ttVt8M XbyiL/FzBvzoN3KkXeiJENFFhDk8uLygFUt4VdIRkSN5RlJ8j/nSIa0rgBdwTBftC6HPjF EsjSTmkNPZw2NYzjqp29n++NzP2l4wJ5Byg4K9SQgWEitSop+Ku87Y9OwbicY3MscaO5Wf rdVjrsYgbWlekTIcfnue1mdsHm47FZELmLRnbPGsi+C1APLW7gOUp8wNwafXGwjm+eHcfY r/VyFLzjvhfWaP5Tg0Ktds3LFkMQZhv3SGUya+6rXEvJIX68mzI7hc61rgKfbQ== From: Frieder Schrempf To: devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: stable@vger.kernel.org, Fabio Estevam , Heiko Thiery , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 2/6] arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct Date: Fri, 15 Oct 2021 14:48:36 +0200 Message-Id: <20211015124841.28226-3-frieder@fris.de> In-Reply-To: <20211015124841.28226-1-frieder@fris.de> References: <20211015124841.28226-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_054919_167168_15DB3DD9 X-CRM114-Status: GOOD ( 10.12 ) 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: Frieder Schrempf It looks like the voltages for the SOC and DRAM supply weren't properly validated before. The datasheet and uboot-imx code tells us that VDD_SOC should be 800 mV in suspend and 850 mV in run mode. VDD_DRAM should be 950 mV for DDR clock frequencies of up to 1.5 GHz. Let's fix these values to make sure the voltages are within the required range. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf --- Changes in v2: * Fix the commit ref in the Fixes tag * Improve commit message --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index 6eacc32bc95e..4df45b5e5f6e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -92,10 +92,12 @@ regulators { reg_vdd_soc: BUCK1 { regulator-name = "buck1"; regulator-min-microvolt = <800000>; - regulator-max-microvolt = <900000>; + regulator-max-microvolt = <850000>; regulator-boot-on; regulator-always-on; regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <850000>; + nxp,dvs-standby-voltage = <800000>; }; reg_vdd_arm: BUCK2 { @@ -112,7 +114,7 @@ reg_vdd_arm: BUCK2 { reg_vdd_dram: BUCK3 { regulator-name = "buck3"; regulator-min-microvolt = <850000>; - regulator-max-microvolt = <900000>; + regulator-max-microvolt = <950000>; regulator-boot-on; regulator-always-on; }; From patchwork Fri Oct 15 12:48:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12561407 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC2DFC433F5 for ; Fri, 15 Oct 2021 12:51:27 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8F85461090 for ; Fri, 15 Oct 2021 12:51:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8F85461090 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=fris.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rl/O7lGXtJzN5cMRF5Aal/cDcpp26qymVGxzGtdCxxk=; b=wZg0DEeZj9RgKn fZmuAnFAdzzOwGz5ng/xHPMnFtqzXbHagLffsXdGPwYTywVpnMfj/puHm6V1vBZ5yxp6dXLRL8HB8 I5lWUVkfp9TsCMXsm/R1Kg/+N+9bqEoQzH/Rq8CTLH8IEfmtuOLITuf3y7SpvG5iv34Eh8NqVeOBd oX5jKa5kID/KUdP2FBEKQa710FFh5gvaI9t79k/TaVIXVzL06Lv5UpwbBI4aBhZJFGSpvHe0nUp/+ d/dwi3sL8wgaGlhpMi3elMXDQR3Xkh6WyrV4xmFLHRQJVhnS/i7f9rNrpZQierC+IkR9vqIN4lX8O D7m2FRsq/2qiHufAvbxw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMeq-0070Mv-42; Fri, 15 Oct 2021 12:49:56 +0000 Received: from mail.fris.de ([2a01:4f8:c2c:390b::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMeI-0070Bs-8Z for linux-arm-kernel@lists.infradead.org; Fri, 15 Oct 2021 12:49:23 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 41977BFBC1; Fri, 15 Oct 2021 14:49:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1634302160; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=ASU5798wbjyfntomXYBm/w7Sw55/N1d+AALWtX/tmJU=; b=l9mW+XFqQb9EmkCJeaZAzRqKQ4rMt/oDW+UOibKjwZafpgV6EvSebUcSo1qJOS4mOBraW/ EEJ/GrTZqh16gDMB1NO4tGgX9xe9vR4dIUnuGlLe3t7ZiJQEMGnn0mfzulQAYHAKoOMrnD nMRzUFpewV2qUJb2HQdLRIKk18DjKvM7EQUJ15qYPm3t1mFhOoE2tg2KAIL61TnhnBNi0u MRyvdXxtrfVon0tyj2tegNmo9pWf4+cBjDfMAF+gTWeX1ngZWPQVxIHSghuSxmzYIoyF4q NZmkcZntxK9o8UvK63zcax6N0J7dIKEpKHcihATzg7/EnluLD3apqSyWokuYZg== From: Frieder Schrempf To: devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: stable@vger.kernel.org, Fabio Estevam , Heiko Thiery , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 3/6] arm64: dts: imx8mm-kontron: Set lower limit of VDD_SNVS to 800 mV Date: Fri, 15 Oct 2021 14:48:37 +0200 Message-Id: <20211015124841.28226-4-frieder@fris.de> In-Reply-To: <20211015124841.28226-1-frieder@fris.de> References: <20211015124841.28226-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_054922_486164_09EFF8FD X-CRM114-Status: GOOD ( 10.97 ) 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: Frieder Schrempf According to the datasheet the typical value for VDD_SNVS should be 800 mV, so let's make sure that this is within the range of the regulator. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf --- Changes in v2: * Fix the commit ref in the Fixes tag * Only set lower limit of regulator as upper limit matches range im datasheet. --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index 4df45b5e5f6e..1a2a9110e3d1 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -153,7 +153,7 @@ reg_nvcc_snvs: LDO1 { reg_vdd_snvs: LDO2 { regulator-name = "ldo2"; - regulator-min-microvolt = <850000>; + regulator-min-microvolt = <800000>; regulator-max-microvolt = <900000>; regulator-boot-on; regulator-always-on; From patchwork Fri Oct 15 12:48:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12561409 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B45BCC433F5 for ; Fri, 15 Oct 2021 12:51:48 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8539E60ED4 for ; Fri, 15 Oct 2021 12:51:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8539E60ED4 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=fris.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yfcBHwNGk3aAVatk6okHGDwsllSO3iFUWaMEZQ+hqvk=; b=Lvsn7g07yva78G Bz7UfBudPPVosBbcukTQPFOEONLBHwJI5DfWHj9pbjVN2ziATZvkTwboccIxulk1MqcBv9JdmVcJe 0lXcZmwU7eV37G4UhWoX/B6v9vm/XA3QwrMLz1UcVUpeYZ4HNgnom63zm6acJ16LkRlt1Xum6tUe8 kiCNUueegB9EMt+Z9Hu2cuwltVlxaJuUcR2zvhTFJC1tsbIL0KyoUBEHj7DnXUZdzuiZEki6s7EYB PlD19r9ONlw5/suGsEtMngs/b7SbVti2OAUG5iu00tA0r72XO5kLxYqbGZyj4IhMSzwqRd8H1OJSg HLGBhztiK3wJMZFIx0aA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMf9-0070VE-Pr; Fri, 15 Oct 2021 12:50:15 +0000 Received: from mail.fris.de ([116.203.77.234]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMeM-0070D8-SN for linux-arm-kernel@lists.infradead.org; Fri, 15 Oct 2021 12:49:28 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 995B1BFC0F; Fri, 15 Oct 2021 14:49:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1634302165; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=qyKqlEMeX9Tm7dfttgspJlNv6P8/Mp4wZW/lQk9UnEM=; b=cDwO+PEgE4WH6DuMKKiQlD6ZkrIMM5pI2zXITWB8x/9PCxd/UjuzENvF4p1N0uzEPmHei9 epecBEgKcre1Q7sxXCL0QYdDq0IgZdmkI9jtX+mp3R9XR09rf+zfONXpt6qlBWHYEDhlOf dZntCBKz7bMHlXJhTJmC0n0lKeCdpmSgayA8oEfw7jK9us/hEpQE2+aCUA9wNM0Khic4Zz kWowyki8KYbu1ELa1fYdLjA3uc7cphHZaNLRBF27RyvcaqaZD1E1IZbkGLHxL+pRMJVsvW Vl+ZHw8xTkaGGWg11apwvcJ8J6iBIUuaoesuaHotUmRGbyu61uIhnOScmSWzog== From: Frieder Schrempf To: devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: stable@vger.kernel.org, Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 4/6] arm64: dts: imx8mm-kontron: Fix polarity of reg_rst_eth2 Date: Fri, 15 Oct 2021 14:48:38 +0200 Message-Id: <20211015124841.28226-5-frieder@fris.de> In-Reply-To: <20211015124841.28226-1-frieder@fris.de> References: <20211015124841.28226-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_054927_104140_FF3DE22F X-CRM114-Status: GOOD ( 11.86 ) 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: Frieder Schrempf The regulator reg_rst_eth2 should keep the reset signal of the USB ethernet adapter deasserted anytime. Fix the polarity and mark it as always-on. Anyway, using the regulator is only a workaround for the missing support of specifying a reset GPIO for USB devices in a generic way. As we don't have a solution for this at the moment, at least fix the current workaround. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf --- Changes in v2: * Fix the commit ref in the Fixes tag * Improve commit message * Remove useless change of uncontrolled reg_vdd_5v --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts index 5f6fc4c2c529..a192a047f264 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts @@ -70,7 +70,9 @@ reg_rst_eth2: regulator-rst-eth2 { regulator-name = "rst-usb-eth2"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usb_eth2>; - gpio = <&gpio3 2 GPIO_ACTIVE_LOW>; + gpio = <&gpio3 2 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-always-on; }; reg_vdd_5v: regulator-5v { From patchwork Fri Oct 15 12:48:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12561411 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29B90C433FE for ; Fri, 15 Oct 2021 12:52:24 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E27C260F56 for ; Fri, 15 Oct 2021 12:52:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E27C260F56 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=fris.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jcrbGBFm6fKnizdON2Xs6VYM1LyFxOxwqkgoswExPj4=; b=MF7UK+i/JnkYfH V3mkWS0110RILXFYVwbv6jOu8kwOHXYk+J/N9HgCZ+aqQZXghERgX0B8vyMsB1/RRSpjw77KbJg9t /bvDYdqEXBGBgS9ALlrjbBGF7jS9hPVycDzizKT7BGl+q7sjElTF5M8yU5XyS1ZAThiqScjwgPJBU zitSOLCdS+uJEsNKLxP3Hz83vh1jHsndvWu/LZt+8qeYTrvfjChE5Y97XyyH+yY9FRgTJqAfv832A ha5IikInrNWK6fA4E4KW9LgTohhnC98tSTBXQauLHu6xDp3xHMZXNEWuphCqd4FRgPKz+bZKPny6r 3nm/HnheL5iCSHlaZ3Cw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMfa-0070kb-Aj; Fri, 15 Oct 2021 12:50:42 +0000 Received: from mail.fris.de ([2a01:4f8:c2c:390b::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbMeS-0070Ei-3w for linux-arm-kernel@lists.infradead.org; Fri, 15 Oct 2021 12:49:33 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 240C1BFB10; Fri, 15 Oct 2021 14:49:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1634302169; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=vtolzEmWYzx1NYsPin3VsKIQZeb2yk9gnCRf2QcYdHc=; b=dxCOAg6i7fFuDQ2K7rIcl6+RRwIPhGldD4ZkCjH8LvtGq3a0ycC3ZW8N9xu5hXMZukU41V cxvwLKJ11bEHPGT5/l2hw3cq/yJ+mSiO2iisFe+9O7UovYJg4xrVFTH035V4F0quEyviWv 8VtD+4JtAKvRM0SyEvHWoBpS4nRMYNF5pger1ZAwMsSa7PbeU5Ck55DKxF4bI8MYNzS4pn cAaVIURO32+s4OfE3stm84Mo9tXosV9vhlgvb1w+uQ5Sq+cT1MxyU43yPimsofultE+1vs U8JIYvCjWkMW6KsTiQM9kFFEPgfXiaw6JHwzjTju93Q/SsCXO5Ow5jYkB4+t2Q== From: Frieder Schrempf To: devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: stable@vger.kernel.org, Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 5/6] arm64: dts: imx8mm-kontron: Fix CAN SPI clock frequency Date: Fri, 15 Oct 2021 14:48:39 +0200 Message-Id: <20211015124841.28226-6-frieder@fris.de> In-Reply-To: <20211015124841.28226-1-frieder@fris.de> References: <20211015124841.28226-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_054932_364527_D767251A X-CRM114-Status: GOOD ( 12.70 ) 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: Frieder Schrempf The MCP2515 can be used with an SPI clock of up to 10 MHz. Set the limit accordingly to prevent any performance issues caused by the really low clock speed of 100 kHz. This removes the arbitrarily low limit on the SPI frequency, that was caused by a typo in the original dts. Without this change, receiving CAN messages on the board beyond a certain bitrate will cause overrun errors (see 'ip -det -stat link show can0'). With this fix, receiving messages on the bus works without any overrun errors for bitrates up to 1 MBit. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf --- Changes in v2: * Fix the commit ref in the Fixes tag * Improve commit message --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts index a192a047f264..14263cd40daf 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts @@ -97,7 +97,7 @@ can0: can@0 { clocks = <&osc_can>; interrupt-parent = <&gpio4>; interrupts = <28 IRQ_TYPE_EDGE_FALLING>; - spi-max-frequency = <100000>; + spi-max-frequency = <10000000>; vdd-supply = <®_vdd_3v3>; xceiver-supply = <®_vdd_5v>; }; From patchwork Fri Oct 15 12:48:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12561413 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDA76C433EF for ; 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d=fris.de; s=dkim; t=1634302174; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=8lm9gsabnoEYqTgKZqukYHlfOlUcDx4Taw7hbxvkE1k=; b=w25PoQ4x0Y24OkCpbgSjF3j1j5aK06mr9VRzWv/9oF4l7gwyZnsnZb4/pPuUBP8QViLjJz TmfqSukyj5mVgAvFVEWGb7nc49edLWlzIE6kJfb9fSnUnVCsSWPpqbYFGoo/xsh+2UyM9u S3egVukF1ECdl3szDwe1PD5S8u6HEA6Cl3cg+Ewf3TJZoEvUYNv9d6vc9RgEzh5SjgtfhA EBBqF/idvQesqjP7gVKhaIhC0VzolWkGEBoxn27Ya4xQYMcwL9r2a3tQQkb4aoKnA7nHUp Q35r0jZKy9DdakVHQQMaTDEKIZkGlkrsNFjd8hzf2Nyl1tm8rf2+gum5ZsK0Pw== From: Frieder Schrempf To: devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: stable@vger.kernel.org, Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 6/6] arm64: dts: imx8mm-kontron: Fix connection type for VSC8531 RGMII PHY Date: Fri, 15 Oct 2021 14:48:40 +0200 Message-Id: <20211015124841.28226-7-frieder@fris.de> In-Reply-To: <20211015124841.28226-1-frieder@fris.de> References: <20211015124841.28226-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_054936_679809_5584C2B6 X-CRM114-Status: GOOD ( 13.35 ) 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: Frieder Schrempf Previously we falsely relied on the PHY driver to unconditionally enable the internal RX delay. Since the following fix for the PHY driver this is not the case anymore: commit 7b005a1742be ("net: phy: mscc: configure both RX and TX internal delays for RGMII") In order to enable the delay we need to set the connection type to "rgmii-rxid". Without the RX delay the ethernet is not functional at all. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf --- Changes in v2: * Fix the commit ref in the Fixes tag * Extend the commit message to make clear that ethernet is not working without this fix. --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts index 14263cd40daf..41ddaf980e14 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts @@ -113,7 +113,7 @@ &ecspi3 { &fec1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-connection-type = "rgmii"; + phy-connection-type = "rgmii-rxid"; phy-handle = <ðphy>; status = "okay";