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[93.144.65.244]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490b63d8205sm33175305e9.11.2026.06.03.01.25.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 01:25:07 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: 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 , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: [PATCH v3 1/5] arm64: dts: imx93-var-som-symphony: add TPM support Date: Wed, 3 Jun 2026 10:25:00 +0200 Message-ID: <0018706953ce5c0ab87d1e9f361973429bf0457f.1780474803.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 the ST33KTPM2XI2C TPM device on the Symphony carrier board. The TPM reset line is driven through a PCAL6408 GPIO expander, so add the expander on the I2C bus and describe the TPM reset GPIO. Signed-off-by: Stefano Radaelli --- v2->v3: - Use reset-gpios for the TPM instead of a GPIO hog v1->v2: - Rename pca6408 label to pcal6408 to match the compatible - Clarify that the TPM enable line is a board-level GPIO hog .../boot/dts/freescale/imx93-var-som-symphony.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arc= h/arm64/boot/dts/freescale/imx93-var-som-symphony.dts index c0842fb3cfa3..c736127c7115 100644 --- a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts @@ -208,6 +208,21 @@ &lpi2c1 { sda-gpios =3D <&gpio1 1 GPIO_ACTIVE_HIGH>; status =3D "okay"; =20 + pcal6408: gpio@21 { + compatible =3D "nxp,pcal6408"; + reg =3D <0x21>; + gpio-controller; + #gpio-cells =3D <2>; + status =3D "okay"; + }; + + st33ktpm2xi2c: tpm@2e { + compatible =3D "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c"; + reg =3D <0x2e>; + label =3D "tpm"; + reset-gpios =3D <&pcal6408 4 GPIO_ACTIVE_LOW>; + }; + /* Capacitive touch controller */ ft5x06_ts: touchscreen@38 { compatible =3D "edt,edt-ft5206"; --=20 2.47.3 From nobody Mon Jun 8 07:21:51 2026 Received: from mail-wm1-f45.google.com (mail-wm1-f45.google.com [209.85.128.45]) (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 89A0A40912A for ; Wed, 3 Jun 2026 08:25:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780475111; cv=none; b=CrIIOEeQ3DcfTpVlx5k4a0XgdLIC1Awh+b0etEITnjPs9XA2I9+dfVrv2ZbjWLvzTnCXyk38r1570xad61q5fuEQtOLGO5g+3yi4FOnOd3n6pNo5jre016yTo5ZN/DChPRWTzoCcNLK21muHu7evK42hmH1gMas+X9WIFJEUwj4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780475111; c=relaxed/simple; bh=8SemRYEAMxCfyipP0JRkYfVN40IkkVu46KbOG90/ivQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; 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[93.144.65.244]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490b63d8205sm33175305e9.11.2026.06.03.01.25.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 01:25:08 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: 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 , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: [PATCH v3 2/5] arm64: dts: imx93-var-som-symphony: enable UART7 Date: Wed, 3 Jun 2026 10:25:01 +0200 Message-ID: <95c0dbfea0536bc38cdc71d7451f99a3fa4aa08f.1780474803.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 Enable UART7 on the Symphony carrier board and add its pinctrl configuration. Signed-off-by: Stefano Radaelli --- v2->v3: -=20 v1->v2: -=20 .../boot/dts/freescale/imx93-var-som-symphony.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arc= h/arm64/boot/dts/freescale/imx93-var-som-symphony.dts index c736127c7115..77377127c18c 100644 --- a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts @@ -35,6 +35,7 @@ aliases { serial3 =3D &lpuart4; serial4 =3D &lpuart5; serial5 =3D &lpuart6; + serial6 =3D &lpuart7; }; =20 =20 @@ -305,6 +306,12 @@ &lpuart6 { status =3D "okay"; }; =20 +&lpuart7 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_uart7>; + status =3D "okay"; +}; + &usbotg1 { dr_mode =3D "otg"; hnp-disable; @@ -441,6 +448,13 @@ MX93_PAD_GPIO_IO04__LPUART6_TX 0x31e >; }; =20 + pinctrl_uart7: uart7grp { + fsl,pins =3D < + MX93_PAD_GPIO_IO09__LPUART7_RX 0x31e + MX93_PAD_GPIO_IO08__LPUART7_TX 0x31e + >; + }; + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp { fsl,pins =3D < MX93_PAD_GPIO_IO18__GPIO2_IO18 0x31e --=20 2.47.3 From nobody Mon Jun 8 07:21:51 2026 Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) (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 877A23A3E78 for ; 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[93.144.65.244]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490b63d8205sm33175305e9.11.2026.06.03.01.25.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 01:25:09 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: 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 , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: [PATCH v3 3/5] arm64: dts: imx93-var-som-symphony: keep RGB_SEL low Date: Wed, 3 Jun 2026 10:25:02 +0200 Message-ID: <0a3e17a7497616a1f83159b98a8e5ffa429f0acd.1780474803.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 Keep the RGB_SEL line driven low on the Symphony carrier board. This avoids leaving the line floating and ensures the board remains in the expected display configuration. Signed-off-by: Stefano Radaelli --- v2->v3: -=20 v1->v2: -=20 arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arc= h/arm64/boot/dts/freescale/imx93-var-som-symphony.dts index 77377127c18c..c835394468ef 100644 --- a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts @@ -215,6 +215,14 @@ pcal6408: gpio@21 { gpio-controller; #gpio-cells =3D <2>; status =3D "okay"; + + /* RGB_SEL */ + lvds-brg-enable-hog { + gpio-hog; + gpios =3D <7 GPIO_ACTIVE_HIGH>; + output-low; + line-name =3D "lvds_brg_en"; + }; }; =20 st33ktpm2xi2c: tpm@2e { --=20 2.47.3 From nobody Mon Jun 8 07:21:51 2026 Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) (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 72C1442314A for ; Wed, 3 Jun 2026 08:25:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780475113; cv=none; b=VT/uDj6hLwfHsmVqhB52a/KJlKArcaNr+3zuoack0euP+NviOTLnxb9LtWliOxmTz36FJZtafOJMJJALhYSrN5VpnDkND5Twpsg/kZrlQqzkKE1Sm5ih8ciOS5JPJRKWkBkWGYbs5+6j7RkhQy6pcb2EpbbjksULdELHXI83z4I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780475113; c=relaxed/simple; bh=LZNgjFG9EBOVSjjHWPD7UZZD7Fr0Nzu8jQlkaEa1S00=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=t9+ajI/TrYuDk35NHz8W4ZwFOpw7NkIHI0sod7sr0Ap1gC3g9ZIwK/xWiVWqbkJUnRNOsw0Di/AUpyRCJtP5zI9ddQDF3a4kBPW2YtDBO2dRp3vX3NLRqkKHYG7VJah8PedcOEXVW5TNiWMlRxhvfTA/XIYsneovapCYQrSqzcw= 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=FWfv/gUt; arc=none smtp.client-ip=209.85.128.51 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="FWfv/gUt" Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-490b4a8e28bso7804635e9.1 for ; Wed, 03 Jun 2026 01:25:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780475111; x=1781079911; 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; bh=/0tFFJBB/axW0BcqywiPixOQX9mP9lGcY4jX95Arkc0=; b=FWfv/gUtKMnRDTqM82hd+axKqY/nt5L0hSb8nCDd/wXjA4f/JV4ecKijYEUh1kAgz6 K+xVVVLdC/cy6TdYvvxjUdEtHWNf3CaK6CvjbScypARLFahIreL6CqODuaK+B0SokylV YtrTcKFoyYzUpMOkhcAPnXJz4myfuhuq/Rw5FjI1y8s+4HXiOe2UneCXxrlrmn7FRmjc 1WIxQNuK6GN+vnW/tbKFV8/K9FOieguNQIbnJt7Iezx5bHO/i90UEvVzSdyRUOW2O5Yx dvXYt4xp6zmk+nfk3okvR+I3wsMghFJHGJtWkLFaczk2/pX0CjriKYBceATjTDnWohI3 ytxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780475111; x=1781079911; 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; bh=/0tFFJBB/axW0BcqywiPixOQX9mP9lGcY4jX95Arkc0=; b=a+6ThC72qq1vL6JOAEaG0isa0SmCHBTN3gSBXi/9WwDlIlkLXHLN2CzT+db9Q7lpHB Q5UQ+7W+kM2SkPCbwRde8XRY/R4HLNkGNCBIazLmEh/J0xzFXoNJ95CS3f5i5rAWA9ET YbZf7MP8Wz8VIKdcBQvVMPQXUJWTgVt15YEKW/+S3NU7SqYa62Y0viP0WHqe9HExFqU2 7zfAOFkTersf8hD4UqbzcL9JOhovBp4acaMm97rlNlkofk1/moPmbe4pyIZsS2lBBYiP 16RZT9Ba1NySYUgSmLjFsXwpUgTYyECaJNmFIBCewzp+HLDwnA0SPRIQZVqvHitpq4Bx LrvQ== X-Gm-Message-State: AOJu0YxMkan3TMaNOU3xrg4/PV0VW+sozPDPuebT1ypCOO+nhD1iVMSV fFMiq/UZN3j2ZbeRaPG8KwIS+CW8zuSwur7y7m9t1yRzB6csF1UFW7l7AZRn6g== X-Gm-Gg: Acq92OEPLwaMWs7WiRP5jDwSUIN92UiyRG4Cmk+jPkTDnxen5t9C2A9l583h0iu1fk2 2sRghu1P9TJjrZOjw2kbtgWXrG+jq2sT24S18gv8KEW9/J8rcD3ZrRi5Wln8JZH1o9Pik6XKiWV UYhmwJlo8jMVHjyKgtbjFa8ufy/ImLtFAKW21ujMkMe++p+t9PSF/r5qJvj2zRM1LYJzMZ+Nv+j SuDJbHRC1+MjzrILMnLWqHUHR0A4Ia3+mY3eFeTqUOz3RVkGKap6lWDpgeSBG+2JopAY1cek1Dy aL0VwCVzD4flnBu3eNz5q5/8GRACtFFzET3wFwffNtLmPv9s7v2onc91AFv8Xccs0y7hxOptglI hcyqakeZ011YQA5vcEmhN38BqKds+FaY1NN+TVB3k31FONJdrAQZ/8LJCK+b7esN9SY/m1kPE2A v8QE6DvpNvulul6mhRYxwT63dW/BQmMF+PAok8De5RDnM9wlxxP1smMEyTKsdU7s+8p16sCj90w Vi9xPQapi88Z6upqATiC3Nz8QAThfcHOYuc5AETwQjRhAM3 X-Received: by 2002:a05:600c:c174:b0:490:b258:3576 with SMTP id 5b1f17b1804b1-490b5d1cf1bmr38390695e9.7.1780475110617; Wed, 03 Jun 2026 01:25:10 -0700 (PDT) Received: from Lord-Beerus.station (net-93-144-65-244.cust.vodafonedsl.it. [93.144.65.244]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490b63d8205sm33175305e9.11.2026.06.03.01.25.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 01:25:10 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: 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 , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: [PATCH v3 4/5] arm64: dts: imx93-var-som-symphony: enable TPM3 PWM Date: Wed, 3 Jun 2026 10:25:03 +0200 Message-ID: <39bfb7ce8a40d041f2f23344eadeb641a1cf9275.1780474803.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 Enable TPM3 on the Symphony carrier board and add the pinctrl states for the PWM output and sleep configuration. Signed-off-by: Stefano Radaelli --- v2->v3: -=20 v1->v2: -=20 .../dts/freescale/imx93-var-som-symphony.dts | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arc= h/arm64/boot/dts/freescale/imx93-var-som-symphony.dts index c835394468ef..56f8744c861a 100644 --- a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts @@ -320,6 +320,13 @@ &lpuart7 { status =3D "okay"; }; =20 +&tpm3 { + pinctrl-0 =3D <&pinctrl_tpm3>; + pinctrl-1 =3D <&pinctrl_tpm3_sleep>; + pinctrl-names =3D "default", "sleep"; + status =3D "okay"; +}; + &usbotg1 { dr_mode =3D "otg"; hnp-disable; @@ -442,6 +449,18 @@ MX93_PAD_PDM_BIT_STREAM1__GPIO1_IO10 0x31e >; }; =20 + pinctrl_tpm3: tpm3grp { + fsl,pins =3D < + MX93_PAD_GPIO_IO24__TPM3_CH3 0x51e + >; + }; + + pinctrl_tpm3_sleep: tpm3sleepgrp { + fsl,pins =3D < + MX93_PAD_GPIO_IO24__GPIO2_IO24 0x51e + >; + }; + pinctrl_uart1: uart1grp { fsl,pins =3D < MX93_PAD_UART1_RXD__LPUART1_RX 0x31e --=20 2.47.3 From nobody Mon Jun 8 07:21:51 2026 Received: from mail-wm1-f46.google.com (mail-wm1-f46.google.com [209.85.128.46]) (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 3057D425CD9 for ; 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[93.144.65.244]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490b63d8205sm33175305e9.11.2026.06.03.01.25.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 01:25:11 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: 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 , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: [PATCH v3 5/5] arm64: dts: imx93-var-som-symphony: enable ADC Date: Wed, 3 Jun 2026 10:25:04 +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 Enable ADC1 on the Symphony carrier board and describe its 1.8 V reference supply. Signed-off-by: Stefano Radaelli --- v2->v3: - Add ADC1 support arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arc= h/arm64/boot/dts/freescale/imx93-var-som-symphony.dts index 56f8744c861a..409c7e74ffe3 100644 --- a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts @@ -159,6 +159,11 @@ led-0 { }; }; =20 +&adc1 { + vref-supply =3D <®_vref_1v8>; + status =3D "okay"; +}; + /* Use external instead of internal RTC*/ &bbnsm_rtc { status =3D "disabled"; --=20 2.47.3