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 C08175519A7 for ; Tue, 8 Sep 2026 21:55:29 +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=1788904531; cv=none; b=O2vb6klch1CF0R3hyxr1fiq77NnRWA3iG21LVows4VSLPGOxrzp4cN8uGcIpLydJK+m5uUdRy3gqlA0M3m9KvG6GAJAFZSzjVNJgZ5W814CX90QUFYPqkGuBjUbzoZNa9n1yC6BiR6sYFcnt5l+iEbKT0L62WsFY97CYdTz+dbo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788904531; c=relaxed/simple; bh=382uOfWKw9shIIHoy5dE+ILCsYYms/zIoHM1a/Ci/MI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=YP+sqTzi7UgKGfoNd26jbQLvez0EdYJdbD23GBXn5WOpT3qPFTxGPq2JssaAdIL3gdyEPiglg59Ppf6PCr3V2tY7i0r6CJngFLffUuHfIP9h2oKAzB1+zi0O+qGpCMQkoP9PhezXWQbJ78LUsptnThppfe43C1/MrLDPa5KCghk= 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=eKACFwtP; 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="eKACFwtP" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id D80B8100346; Tue, 08 Sep 2026 23:55:22 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1788904523; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding; bh=Lx8vUrl8G0vy6Q42VWe8patHE21Kb5u7SDIaA+quT4A=; b=eKACFwtPGFXiQXRqzxq816VuwkNmQSN7przuyniCP6SnnCZDU1IkDWeFLGeLV8KUhk6NcJ KSjkBpHDvBVLi5B1rPl4TyTbFTAlyCkCIzCLj9cqaTbfLOWwPLmjUASyPMRwGA8gXvAGdi FucFCZgFrR4sEsVvKHbskZ7h86HVlNShKv11B6WailahDlg9lYPLKyQDmVeJSKWjmGqQJ3 fb7hCeTK212kz5n/bmttw3wrQj349GElJxIkCWKhQjGdVmzNKic92185c5jQSzCohgi/O2 Qij43O7TdHvOujuXMzQLU5UvFPexEGu1SiF8T1BpnP9fO0YetfCUz3E5rGUSqg== 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] arm64: dts: imx8mm: imx8mp: Update EEPROM with nWP GPIO, label and layout Date: Tue, 8 Sep 2026 23:54:37 +0200 Message-ID: <20260908215519.33061-1-marex@nabladev.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: imx@lists.linux.dev 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 --- .../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..2b7fed0c5a7c7 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@1200 { + 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..1d03cf73588c4 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@1200 { + 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@1200 { + reg = <0x120 0x4>; + }; + + board-lvds-id@140 { + reg = <0x140 0x4>; + }; + + camera-id@160 { + reg = <0x160 0x4>; + }; + }; }; rtc: rtc@68 { -- 2.53.0