From nobody Fri Sep 25 02:08:28 2026 Received: from mail-wm2-f12.google.com (mail-wm2-f12.google.com [74.125.225.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D41004B44CF for ; Thu, 17 Sep 2026 15:09:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.140 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789657756; cv=none; b=VpXtIfvHfV2Xa4MPtThGN7h1skGSMyMA8ltn/5ufv3D7x81IlnwEpWufDCmo3HGKbHO7bIAjZu4UabAWlN/NR5uvDl6ybGYfPD4AlShGXqxVBo0v6AjcYFbfgoIXgKQhGM5Ud49YNzIfsZMVtgPcIz8amYo/bEDKgpb+0H6xHV0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789657756; c=relaxed/simple; bh=TEfy77fQc7gzUcObXL0A2hoFIbOeaaX1tVmcfYmjZFk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ipl8er6IexN4q2rfFJXN7TjOk2Iw3WJLXkCIeYrMuRHP6rxUzQAoa29K0Yp+6m2agwUNt1obA792hCajpX00SnXT1NSEriJ4yk8GEmwp3WZmRgUMewCJimmrzZa5rh5sMHJFX7T8kHs1516Q8i+1Fs+/CLb0wM3qVVw7xjyE844= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Sm2ZBxra; arc=none smtp.client-ip=74.125.225.140 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Sm2ZBxra" Received: by mail-wm2-f12.google.com with SMTP id 5b1f17b1804b1-49b912d37b5so6276905e9.2 for ; Thu, 17 Sep 2026 08:09:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789657739; x=1790262539; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=gdbF+rIH2kuomyDNZ8PZiq5VuqMW/f4lQBUYl1lQH/Y=; b=Sm2ZBxraG52650HMKhOWGmrRgClOUJ8MwaMCAOPVzoc+NEXuERuAqdTkcvDirA8NLY CiqEQ0scbjSq0A+QBh7muH13ONgDaIMkCdBPqzUVKRrpoArL0kC0Zyalp7M0tMTffJQr 2iemGVZkDeZ/1AdZO/5na1SHC1P+RZ+tinD1M8QaoCYsjSaKLI9OvRr+clG7dPNBAwwd 5AJRWoyPgAc/PlbwwHOEeCvHbwWlTdTgnrrq9uSoLxgPmhtE0HMa9MxRLz2OtJKDvPAw tNacREIfuxH/c9oILwX2YFPzhRxoC5Do5nulf47uJNZN2JZiXCfQr0ji4Tc1xq9Nu2RD 1gfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789657739; x=1790262539; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=gdbF+rIH2kuomyDNZ8PZiq5VuqMW/f4lQBUYl1lQH/Y=; b=hBYt6Wp48Zz5eKQQLszfWJ0j0+A0LTOe54oLuxXUu3FTVxYYJDOJ2cK7IYA6GdT+o0 tfjdM3uayoirNCOVFUooDojg9lgWapS8/qq3oWzndjaJEOAj8wAqpjHOJCadELQzFefe uDffQnGwIcoSlk/TzHfYH62DrxMh9vB2cM2JUis5CIOI6o5z4IxuuAOyTdM47fpGgPBs QwaIULqjGelP0VQIKB8i1gl9TzslEcJD4t0ksNEknZlPtuun1tk/0Uoy+qocTgmg1xNO dhPEp4wCP7h+uzJceJLD4YFnZXlD9LzJopy52OomH1HsbuQ07AQEqgk72rr2nV8Jf3jA rTbA== X-Forwarded-Encrypted: i=1; AKwUvBwEJmaibBvjmaNCkJPmam4eEM9vYyBMVrjOEMF+sd75E8Lo+2aLxwKO4kbi+W2QL70+9koAH09rwMhLmqc=@vger.kernel.org X-Gm-Message-State: AFuF++kBg9eEUhfy665p5qHOjxcWr/uTS/FBvrSLNUpLdwl1wDXZU+PS LD/ryS/F08tDA24dw7Mxs4sC2hkm6bK8jNKcS2DBTY7ENJyCaW0ktcF/ X-Gm-Gg: AYBFou1oiIeQfpc/YTThd5ta0wqY28Xif5FBnvTFB/O4jkRtTf4dyS3gjTjtaEzKtk6 SjWT4l5AX9WF0BkZOYOcRYradStlf5X3kgztnS/QTFxH3eF4NjEFQ0e6qoL0c/QtfwxAH9a8Hd7 8tVhd1KRh0KOl2SAVJUbhW0QzjTv7V9A0rZM6i8WWSHVWSDktL3Z/VDJbbpot5N6k5Sq6LuN60g lROBJSXSpJhhj/TEEj6J7FX0Pg0k8sydp5AhZQWYc73NGELkVfyuR2Kas+oBwKMS1EPHAlrsMsT lckf67baBd0rFcUvhnIaDqrzWLl4sYjeIuzNnB7QawhDe83PNdYsVunH1VYPPHRrEnrjrjWMNC7 UlNh5LIjfeOEOod0kEtFVHKgZZug2lcteLrDSVsP/ARMUCyLcM4ficvtX486QTDSmLF13ZEzrlk OKmLTd6iCn2Y9XFOEJpcwjOdU7j1iAUugrTktJFZortsY5+Q5nKkcT5+PLnSHquU5D0mFaC3wUQ BuLMx3PKuaqKCsL7wmhuOag5g5o03oqaoxGMjSIHmGC5VDyuapBfNRArdla+tHiGU8THAphuwZb 8RV7rmr3+gRlqyo85YvFEDo= X-Received: by 2002:a05:600c:4e91:b0:49d:726:cc9f with SMTP id 5b1f17b1804b1-49eb72f39d7mr165685185e9.5.1789657739517; Thu, 17 Sep 2026 08:08:59 -0700 (PDT) Received: from Lord-Beerus.station ([31.27.155.43]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fbd226ef3sm82531345e9.1.2026.09.17.08.08.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 08:08:58 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: Frank Li , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: pierluigi.p@variscite.com, Stefano Radaelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Francesco Ferraro Subject: [PATCH v1 1/3] arm64: dts: imx8mm-var-dart: configure SAI3 synchronous RX mode Date: Thu, 17 Sep 2026 17:08:43 +0200 Message-ID: X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Stefano Radaelli Configure SAI3 to operate in synchronous RX mode, so that the trasmit path uses the receive bit clock and frame sync signals. Remove the TX_SYNC and TX_BCLK pinmux entries, as these signals are not used in this configuration. Co-developed-by: Francesco Ferraro Signed-off-by: Francesco Ferraro Signed-off-by: Stefano Radaelli --- arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi b/arch/arm6= 4/boot/dts/freescale/imx8mm-var-dart.dtsi index 2324063f8fd9..c7a9eb23e5e8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi @@ -305,6 +305,7 @@ &sai3 { assigned-clock-parents =3D <&clk IMX8MM_AUDIO_PLL1_OUT>; assigned-clock-rates =3D <1536000>; fsl,sai-mclk-direction-output; + fsl,sai-synchronous-rx; status =3D "okay"; }; =20 @@ -446,8 +447,6 @@ pinctrl_sai3: sai3grp { MX8MM_IOMUXC_SAI3_RXFS_SAI3_RX_SYNC 0xd6 MX8MM_IOMUXC_SAI3_RXC_SAI3_RX_BCLK 0xd6 MX8MM_IOMUXC_SAI3_RXD_SAI3_RX_DATA0 0xd6 - MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC 0xd6 - MX8MM_IOMUXC_SAI3_TXC_SAI3_TX_BCLK 0xd6 MX8MM_IOMUXC_SAI3_TXD_SAI3_TX_DATA0 0xd6 MX8MM_IOMUXC_SAI3_MCLK_SAI3_MCLK 0xd6 >; --=20 2.47.3 From nobody Fri Sep 25 02:08:28 2026 Received: from mail-wm2-f13.google.com (mail-wm2-f13.google.com [74.125.225.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9605B5A5128 for ; Thu, 17 Sep 2026 15:09:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.141 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789657758; cv=none; b=Aj45JHHT0GbvkN7nmFJmAynuaDVCzjKD5xBh8k0goe0GvZQ8TXNXPya/QB/cf+YP8hl7j61H9/v1W0w1ZYZnz0VfDvD/r8+QxJHtWtn4gZPhlP5hGhcdvGJBqL+ApP0gHPBXMtQ75+34+ym7ii7krkd/xjO8r3OkRA0BXDcALjo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789657758; c=relaxed/simple; bh=JSGj5xAcSCNQ30zQL91dR8x6nFv1RRyex1oTM12XUUo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FCt77nVOdO8kzXY421iDZEyz9icmNPpwyKT7MEEYaydFX1VtQrEJSkn/WDqnIkjqkpWN8WHgIiZGD5tzlZ5XNlCjRcE/4lggn/Z7hB3O5exNK1D3m6RfYHkvPieYB0d06UJYpSrkdTBeubSvo4HApn/LyIpy/LluDZcvO+uPaZY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=UNJQ+Vmj; arc=none smtp.client-ip=74.125.225.141 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UNJQ+Vmj" Received: by mail-wm2-f13.google.com with SMTP id 5b1f17b1804b1-49e6b885ef8so5785045e9.1 for ; Thu, 17 Sep 2026 08:09:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789657741; x=1790262541; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=kT758iWLtr3Wtamxp4dNWdKJ2omPK36POe0fhekDF38=; b=UNJQ+VmjgMGY1WleGMLZ7pAPqEZo803xjBWt/QyJbN+cxCK/aaEkXuQa36tTls0XzH h53nF17KPPri09kqWJWsP47TEPj3et/66noqWVr32cCTIiq5SmxoVynKcoiIywsUaCDY 29iqN79pFxKIaTWW7bb8Q1/0QEVLKrU7ccEFVlCSiUqofiAYIhS8Ym2VchLl5teEflFn iG/5cY4Y9PBYQ1T9zHqRPpihPFN7qJ2pJXoPCx5J0ne038uqO1m0C0CtFWetywcZHMsJ njcvylvPMmp/83Rp3ILgFczYmqBWCZ9lvLTm52LIvHSdCFRq8Ww0BAHvhro4hHo44bZO 2YAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789657741; x=1790262541; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=kT758iWLtr3Wtamxp4dNWdKJ2omPK36POe0fhekDF38=; b=BX7EJaAV59/+KkZTfxtSVKicVZNRTV2gXGoF3X71ThRvaRbREK6RMVZubvtIMVNvOK y+JDU8PWJYqLiy+YqZMENpTLhl52H1erldTRT8rKxzQPR1AMyfWiWfyzs4hkpHD+gtAG f2v85p1iTStaFFJJ7Px5z+jCuOjcfsxEscW9C/WPdKhfdwysbA7GWdEkbzhw33V2B0+R oL29VV70KiNROnaRvHpkuHXGKDm/k9Yhn3+iraRbxH29eJwLm1dyPihvC1t6+dMWzjO2 kKf4eMB269qq3rBfQRa0F7vb9w7NwfrMd34NgfiegDRN4mJwEmxnvuTNdbXaq46OcR7e uGJw== X-Forwarded-Encrypted: i=1; AKwUvBwNgGvgZUhNM5jEQXBrrPMEMr2Nd0e3FHl3kmu8O0knywSQRz96T0h4oW2MnfEduOP16RA3YIhpAYGzseA=@vger.kernel.org X-Gm-Message-State: AFuF++l/EVxVu3WbH5hfD1V9xl0cgYCLR7hVNTGyP90ACDkCVYPmKlwz Kd0pqxim50B9KB51yxTpGNoTm5AbOvf9Nj6uuZHfIISMAAui1MKkOpbDYwZ3RZga X-Gm-Gg: AYBFou2q3ztDCDMLOybQLS85VQQvOAtoYrf64287rcDXEJJaLDxMrBNVPhOQq53iVmQ 1VfvKKSF44mX6bJ20+1rs58QR6amAIWK89YfXPETqZ0r0sI+m98i8m3NvsMxJQyRIThA2Vqs6EN +1f3JPWbQ4OxPtMy9mHa5mTIZm3VQ/OGidu9PSoLEsvgrmU2HdX9hr2+B7y52i4yLnpGCio5HzP A8URD8qlclvyu74h1MIGd5VomPinuUTumT51NLn0GcXGw6FbDv+Z73hWsc1ZXlktjpzM5GdqFcc OFCHq+ecbVp8xHY0h/duO7icUpeFHk67wrUGgxwrK1BtG4UlH5YE+1kQNmyrUbaX802vdM29MRk E9SZxy5wHiBQFRH4NFvM9h5rS0KhsY5FVvZZ3FgXcalBc3EmihxchrHyNDdjSuOeS2CqEMSRW8R DXrwNphWaIYUGQWgaCjhEJfpjJCoesZpQWEqSoe5wsr3yE3YZcScKvzMkPQBHH0eA1mhVknyYZV 3TQe06SL1LaW3HthbneZguD+63xgfOlp0TKUvmnqBlOZ6KtadtbD6qY0E7KtBf1xx/Ym0StxXLL qT0H7Q+pLB6+/pk22KajUg== X-Received: by 2002:a05:600c:1906:b0:49e:8418:3858 with SMTP id 5b1f17b1804b1-49eb51902b2mr88747985e9.9.1789657740710; Thu, 17 Sep 2026 08:09:00 -0700 (PDT) Received: from Lord-Beerus.station ([31.27.155.43]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fbd226ef3sm82531345e9.1.2026.09.17.08.08.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 08:09:00 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: Frank Li , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: pierluigi.p@variscite.com, Stefano Radaelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Nate Drude Subject: [PATCH v1 2/3] arm64: dts: imx8mm-var-dart: add TPM support Date: Thu, 17 Sep 2026 17:08:44 +0200 Message-ID: <73937e762f723d9246778f548c4c9d4b087e4532.1789657399.git.stefano.r@variscite.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Stefano Radaelli Add support for the TPM available on the Variscite DART-MX8M-MINI SOM. Co-developed-by: Nate Drude Signed-off-by: Nate Drude Signed-off-by: Stefano Radaelli --- arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi b/arch/arm6= 4/boot/dts/freescale/imx8mm-var-dart.dtsi index c7a9eb23e5e8..9fc0f7e551ca 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi @@ -138,6 +138,13 @@ &i2c1 { sda-gpios =3D <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status =3D "okay"; =20 + st33ktpm2xi2c_som: tpm@2e { + compatible =3D "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c"; + reg =3D <0x2e>; + label =3D "tpm"; + reset-gpios =3D <&gpio4 31 GPIO_ACTIVE_HIGH>; + }; + pmic@4b { compatible =3D "rohm,bd71847"; reg =3D <0x4b>; --=20 2.47.3 From nobody Fri Sep 25 02:08:28 2026 Received: from mail-wm2-f12.google.com (mail-wm2-f12.google.com [74.125.225.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CF674D489A for ; Thu, 17 Sep 2026 15:09:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.140 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789657752; cv=none; b=dIz9eOuQ0YufyXnnxmeXiZ/fD7TpBo/Tzfl0GkSxshYa72KAKYhxqIVcXt5MKZofC7hcT/J7EuQiJldiYhoe4jXyzslABoxtd2k+QQMG3lfMWoCuRJe0YwyNRnle/byKlwp7tSrtjkGWEoTBImhOMddg8bI4vhrMS2e08Bi89Cg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789657752; c=relaxed/simple; bh=ZNQ+cRgP+nXk8+UUGlAkoMqikfrO1wJLVlFUQk1/0iY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UoCw9VK1OircUsbzZBUyzBPjA1VLrjNmTRfs3tbDDfOKsR8+1xjRMj1Y4fj3OOagtiU3Z+e+DhbNYEoD+SnEo7TSRbKmbBHhJw30HSBgPvCPIjR0PNJF8Xiw99j52gyFE7BRGb6Yx0Xq3ImR2OV0MJWEBUiGDfHf4M53vCpP0Ew= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ofvGyRIF; arc=none smtp.client-ip=74.125.225.140 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ofvGyRIF" Received: by mail-wm2-f12.google.com with SMTP id 5b1f17b1804b1-49e620fa473so5922555e9.1 for ; Thu, 17 Sep 2026 08:09:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789657742; x=1790262542; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=9b/fhEwmBPxpFcptPOeQ0kZ30PMWIDMPcXHfa9JyTQU=; b=ofvGyRIFwtBj6ax81jRlJtum+MjOvT/mTUE2seOY29TvDLvyuFcBHYXYJPFtnPLevB aNV0Qq1p8fm8RvelJ6ZOltzi1kaXTdZqcYNzH7oUs5OI6hgWCq3MUyvcfCgERpm4MQMf 1Ec5HcyJL8MuhrSTLin+0AKsniCStA9s5i7JmVWLJ+Qx2n5PvSjQdlzzj22dtaYVA4+M o8jgYVmh+hyfTY1Js7EuDPF4GRG3pbzyCKgpA374ysPdvMcjMmh0J+deHuhO5UotjGWL EGJWBaYulYoHEBzSFrBsW8Osg09XKGlkewxSnRsvIphi6ICLOaPlb8rarB/WnLYtuqjO h+HA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789657742; x=1790262542; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=9b/fhEwmBPxpFcptPOeQ0kZ30PMWIDMPcXHfa9JyTQU=; b=LsuXxsvXQTKuvoE73xnDMPRqsP4wmepUpTWgToYxJm4zVRJqws9F/wvWz9nvugXPpA GKeWmkYwRIvG8K/UrJViAdcesQUx01Kbk/tW9hUZq4uItXtvPjPYe/uotnpqeWcMdCJU iBm/jwIdKGPgEUXO51XihzT7lP6BGJqhthpYUk94YMorU9ZlYdbTPozZAWpV8F1bEf3c cG3PREX+WTvCeOxaElsXzTXUUCIaQh6eh5bpfg03V5i3nYDzMfxirG+AMAug0As7I2Vj aMayeqMTFswtrmAVr7LleJdIkHS13bAfQLsoZyXdluinwrGkmvy79twmT+K2u5vqqe1S Lf8Q== X-Forwarded-Encrypted: i=1; AKwUvBxDJQErlJeXc+kuqDeSfFnDcqpSAZl23XCk4ox4/XnVXYnzF+Cr0Vo8JKviUUxb9P3KbTBJ9/L/sKJ24J0=@vger.kernel.org X-Gm-Message-State: AFuF++kWYbWKf2DJH/5xp4az/z4VYsBnmEHCIDEwb6tqemuFsrv2JZgv IlTYyqdnVgofrbLYHrWkd6IbBkLYhH4hAKRUZ9AwO1TEhOBE+x6jJhnc X-Gm-Gg: AYBFou2AYLPieJ5ZLKHW1kjl5Rr/nRCi7fbe0+ra0YU44/qkSDEYToFgARgidam1ZFf T0wxrEHu0W3jzWnMbgHGQgfqsXhH3LN9iB+u5wibn2EHUP37cRxFd8PVRIXv6CwvcERplnMDPAp 6ZyqcPTd/Y/EtNJ7InhAAw/KRDzm9WL8R4X9qa3qb1wL55NzBejYkQv+OQtSlHNOHaO79FFRKsV 1mlVwzjHnMjDhTOLSlYzcEsNeF9mE5MLEdHPdYhKHFu1rtpUcLR5/cOJBD1acR8iG59qeJBfCFU 76DqnRUcc4XkWo1+xPbVrp8G4I5cew+we017F/Jh/hkKf6XL7rTTE9hVoqxhXir2U3j3KSDBRI5 o9SV2IFBenRU1zzcL3L8gDGVucNdt0lGv6ImCM8jZRv/WsMrbtmfSTr5jRnXGYsu3P8e0/2iYvN GaA3cA4lNr1RGzE2imNLplBKO9Jq5uHiNw04c0gveP/3yx9EdLZdTyKzxi0rJWxOJQ04uspB5cV FMfk4nndn80wmHY+w9F1pCOroIHsS9Aavv+mCUnr0nD4i6H+x9hb6/FcfK4NEvtkdxCz9EVHSto NzMy9H+AEfBdRXVGp7CcPA== X-Received: by 2002:a05:600c:314a:b0:49d:16f1:94a5 with SMTP id 5b1f17b1804b1-49eb732b59emr86524435e9.25.1789657742060; Thu, 17 Sep 2026 08:09:02 -0700 (PDT) Received: from Lord-Beerus.station ([31.27.155.43]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fbd226ef3sm82531345e9.1.2026.09.17.08.09.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 08:09:01 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: Frank Li , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: pierluigi.p@variscite.com, Stefano Radaelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Nate Drude Subject: [PATCH v1 3/3] arm64: dts: imx8mm-var-dart: increase PHY reset deassert delay Date: Thu, 17 Sep 2026 17:08:45 +0200 Message-ID: <197308a77fb4310a3615bbef084b25fb1874c753.1789657399.git.stefano.r@variscite.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Stefano Radaelli The Ethernet PHY reset signal also controls the regulators supplying VDDA2P5 and VDD1P0, so releasing reset restores the PHY's 2.5 V and 1.0 V analog supplies. The existing 100 ms reset deassertion delay is not sufficient for reliable PHY detection. The TI DP83867 requires 200 ms of stabilization after power-up before MDIO register access. Increase the reset deassertion delay to 200 ms to ensure reliable PHY detection across repeated boots. Co-developed-by: Nate Drude Signed-off-by: Nate Drude Signed-off-by: Stefano Radaelli --- arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi b/arch/arm6= 4/boot/dts/freescale/imx8mm-var-dart.dtsi index 9fc0f7e551ca..fcd937d8d29a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi @@ -123,7 +123,7 @@ ethphy0: ethernet-phy@0 { reg =3D <0>; reset-gpios =3D <&gpio1 9 GPIO_ACTIVE_LOW>; reset-assert-us =3D <10000>; - reset-deassert-us =3D <100000>; + reset-deassert-us =3D <200000>; vddio-supply =3D <®_phy_vddio>; }; }; --=20 2.47.3