From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.nabladev.com (mx.nabladev.com [178.251.229.89]) (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 1E607592204; Tue, 8 Sep 2026 22:30:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.251.229.89 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788906635; cv=none; b=OtivIFIZT2VRaRL/eesWOentk/psEvlIM7Ti8jI+zMKUcqrmHU9bMGuxU+l2HXc5j/Nv7nMSVK2GZXZFeUI6vVwr3uRKW0x8ACuIDL8zthzxp6Xf1bd7SQTMWQe0aANz3dn1pIGF2bL9exwMRqp2c2rwa/rWd92rABzG/d6TIkk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788906635; c=relaxed/simple; bh=AvglF/lS5jLRZxY5Tu3J3C80lthHKnHNLMrZERrEiJo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=OTHw5zNlgDtLy62dKgAOIiPwi4JCcByJyhY1SsIEcz6LV4DvknCBF2ueeqNOSda3xske7acQrjpDd0tVKJ7L5o8YYK0azLE/sCWFLHImrmvZSV6YEJbDjw+i3lgbHtPJ/dnMEaAQJd6uPzep0KUvg1VrVi44ArkcNPiQZ6Qvmys= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com; spf=pass smtp.mailfrom=nabladev.com; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b=jYXb0xZz; arc=none smtp.client-ip=178.251.229.89 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nabladev.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b="jYXb0xZz" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 2E14410196A; Wed, 09 Sep 2026 00:30:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1788906621; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding; bh=aBIZOzE3i1JjRrtYfZeSQABj8yITCJ8amCyPP3PLllk=; b=jYXb0xZzzrz69AyOLg6dTibqq+Uzjau6AnH/hwucb2M2eoGND1Nx0pOB78iapxGXLgKDAF 2NwLHWGUgIH8fdP+EupnLVqE5/1/9sMvAqUzxpFJ95/eaHWVvAMqa6mn9DQSvWIQDh/R7j GjOrUSXUrGszy10G985W0iozPhA3OYpvGObQuD1e64n8gmEQEAnZq9Zx3lRxGQ1HfBmomH ql3Y5z+XNs4+iqENCKo76Xa2siBv/fUbYIzrUIXw7aMMiarPUDZV0Cvc6IovPMkeFBvXrU t5NrETB7Th8cFMGJhmhXOgppJ69krcf2TOsZQoeShL6EmPM3liacPvHXH3xeyg== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Conor Dooley , Fabio Estevam , Frank Li , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: dts: imx8mm: imx8mp: Update EEPROM with nWP GPIO, label and layout Date: Wed, 9 Sep 2026 00:29:42 +0200 Message-ID: <20260908223005.38536-1-marex@nabladev.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Describe ID EEPROM nWP GPIO, label and nvmem layout. The i.MX8MM eDM SBC and i.MX8MP eDM SBC nvmem layout is almost identical, except for length of product-name@32 field, which is 19 Bytes on the Mini and 24 Bytes on the Plus. Signed-off-by: Marek Vasut --- Cc: Conor Dooley Cc: Fabio Estevam Cc: Frank Li Cc: Krzysztof Kozlowski Cc: Pengutronix Kernel Team Cc: Rob Herring Cc: Sascha Hauer Cc: devicetree@vger.kernel.org Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- V2: Fix wifi@1200 typo --- .../freescale/imx8mm-data-modul-edm-sbc.dts | 56 ++++++++ .../freescale/imx8mp-data-modul-edm-sbc.dts | 128 ++++++++++++++++++ 2 files changed, 184 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts index df857de0375cf..cb76471440433 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts @@ -431,7 +431,63 @@ usb-hub@2c { eeprom: eeprom@50 { compatible = "atmel,24c32"; reg = <0x50>; + label = "dmo-board-info"; pagesize = <32>; + wp-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; + + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + company-name@24 { + reg = <0x24 0xd>; + }; + + product-name@32 { + reg = <0x32 0x13>; + }; + + board-revision@4b { + reg = <0x4b 0x3>; + }; + + serial-number@4f { + reg = <0x4f 0x8>; + }; + + manufacturing-date@70 { + reg = <0x70 0xa>; + }; + + test-date@7b { + reg = <0x7b 0xa>; + }; + + product-number@86 { + reg = <0x86 0x8>; + }; + + board-variant@9a { + reg = <0x9a 0x9>; + }; + + company-acronym@a4 { + reg = <0xa4 0x3>; + }; + + mac-address@b0 { + reg = <0xb0 0x6>; + }; + + board-id@100 { + reg = <0x100 0x4>; + }; + + wifi-id@120 { + reg = <0x120 0x4>; + }; + }; }; rtc: rtc@68 { diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts index c284edfa1f4c8..4614a0de07906 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts @@ -421,14 +421,142 @@ tpm: tpm@2e { eeprom900: eeprom@50 { /* board rev.900 */ compatible = "atmel,24c32"; reg = <0x50>; + label = "dmo-board-info"; pagesize = <32>; + wp-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>; status = "disabled"; + + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + company-name@24 { + reg = <0x24 0xd>; + }; + + product-name@32 { + reg = <0x32 0x18>; + }; + + board-revision@4b { + reg = <0x4b 0x3>; + }; + + serial-number@4f { + reg = <0x4f 0x8>; + }; + + manufacturing-date@70 { + reg = <0x70 0xa>; + }; + + test-date@7b { + reg = <0x7b 0xa>; + }; + + product-number@86 { + reg = <0x86 0x8>; + }; + + board-variant@9a { + reg = <0x9a 0x9>; + }; + + company-acronym@a4 { + reg = <0xa4 0x3>; + }; + + eeprom900mac: mac-address@b0 { + reg = <0xb0 0x6>; + }; + + board-id@100 { + reg = <0x100 0x4>; + }; + + wifi-id@120 { + reg = <0x120 0x4>; + }; + + board-lvds-id@140 { + reg = <0x140 0x4>; + }; + + camera-id@160 { + reg = <0x160 0x4>; + }; + }; }; eeprom902: eeprom@51 { /* board rev.902 */ compatible = "atmel,24c32"; reg = <0x51>; + label = "dmo-board-info"; pagesize = <32>; + wp-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>; + + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + company-name@24 { + reg = <0x24 0xd>; + }; + + product-name@32 { + reg = <0x32 0x18>; + }; + + board-revision@4b { + reg = <0x4b 0x3>; + }; + + serial-number@4f { + reg = <0x4f 0x8>; + }; + + manufacturing-date@70 { + reg = <0x70 0xa>; + }; + + test-date@7b { + reg = <0x7b 0xa>; + }; + + product-number@86 { + reg = <0x86 0x8>; + }; + + board-variant@9a { + reg = <0x9a 0x9>; + }; + + company-acronym@a4 { + reg = <0xa4 0x3>; + }; + + eeprom902mac: mac-address@b0 { + reg = <0xb0 0x6>; + }; + + board-id@100 { + reg = <0x100 0x4>; + }; + + wifi-id@120 { + reg = <0x120 0x4>; + }; + + board-lvds-id@140 { + reg = <0x140 0x4>; + }; + + camera-id@160 { + reg = <0x160 0x4>; + }; + }; }; rtc: rtc@68 { -- 2.53.0