From mboxrd@z Thu Jan 1 00:00:00 1970 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 89F8FC5AD7B for ; Mon, 10 Aug 2026 21:35:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ryp3/PB4vcj0KtZaTMI5+VyehhpTjHATZ/hJV75Vuiw=; b=rou1Jwr/Uw2pSdiymfkseZU9Hp M3uIeRZy2UuwYgK6CeWHU5HijHiTBWA4phwz6ZwcL72+OTmHCVQrzJXqhZE6giJR8Of0unDunwqFx 7bf8Ip/ik+Qw+t6s7xrgLjvEZH//qUgWn+zJ9fJp9Z8evsqsmABTzYeDj3bivXRzjLgDYP7MmA4Ov 4/uOAH5ew5cIvwIIdcHIUqd8t7oxWlxB7cBD1bCzWgGyo4wli+CyZ8ZYDLBUK6dxRz8WlzhwolTqX 9alZw/N2dxsGZ3pZFWpv3vKFF43TKQIdCdfrfptiT8JQ++k2axYg64fbhNH5dQeka952j12Tq1xwY Yx84/lSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtXeX-0000000Cv0M-1BMA; Mon, 10 Aug 2026 21:35:25 +0000 Received: from mx.nabladev.com ([178.251.229.89]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtXeR-0000000CuyL-11tG for linux-arm-kernel@lists.infradead.org; Mon, 10 Aug 2026 21:35:20 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id AC97611B8AC; Mon, 10 Aug 2026 23:35:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1786397713; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=ryp3/PB4vcj0KtZaTMI5+VyehhpTjHATZ/hJV75Vuiw=; b=YjGLapGB2AS4LGMSUTz3zNmU2ssjHIl9NOGVg6sqBmnrJYqqHUzdI/jTk3X4siHV0LmJBQ efz2VR1VcxIByepeXnnOubhja6DV4vXUxyULTpMB77zH5WeZEWKwn9vBsBipnvBQUsPLPM FOsyZnMGat+uXDyDk1+ry0CuU4gXS64KdsOnoQtaSET2haGU5+kbBncPFu4KOHzeLarIwN 8aBoBUWYXnXXAU7f1rUbx/ANAW0tm/heb6oPYdp+aQBGTaraw0wwtQmG5Z2opjIWQmO9b6 3fW5rTyYCMcf+pcZ4oLLpRQNJBGqJpamhDRzri7eIBQ0ZdvohAhCnPH0fMoQ2Q== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Bartosz Golaszewski , Catalin Marinas , Conor Dooley , Fabio Estevam , Fedor Ross , Frank Li , Krzysztof Kozlowski , Linus Walleij , Mark Rutland , Rob Herring , Will Deacon , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] arm64: dts: imx8mn: Expand EEPROM description on ifm VHIP4 EvalBoard Date: Mon, 10 Aug 2026 23:34:39 +0200 Message-ID: <20260810213456.1268831-2-marex@nabladev.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260810213456.1268831-1-marex@nabladev.com> References: <20260810213456.1268831-1-marex@nabladev.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260810_143519_590068_36A826FC X-CRM114-Status: GOOD ( 12.47 ) 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 Describe the EEPROM write protect GPIOs and labels on VHIP4 EvalBoard. Signed-off-by: Marek Vasut --- Cc: Bartosz Golaszewski Cc: Catalin Marinas Cc: Conor Dooley Cc: Fabio Estevam Cc: Fedor Ross Cc: Frank Li Cc: Krzysztof Kozlowski Cc: Linus Walleij Cc: Mark Rutland Cc: Rob Herring Cc: Will Deacon Cc: devicetree@vger.kernel.org Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- .../imx8mn-vhip4-evalboard-common.dtsi | 3 +- .../freescale/imx8mn-vhip4-evalboard-v1.dts | 8 ++++++ .../freescale/imx8mn-vhip4-evalboard-v2.dts | 28 ++++++++++++++++--- 3 files changed, 34 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi index aaf9761703aaf..73b1ed2632a39 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi @@ -142,8 +142,9 @@ &i2c1 { pinctrl-0 = <&pinctrl_i2c1>; pinctrl-1 = <&pinctrl_i2c1_gpio>; - eeprom@51 { + cfg_eeprom: eeprom@51 { compatible = "atmel,24c128"; + label = "ifm-deviceinfo"; reg = <0x51>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts index a8f7c226a61f8..98dd241a9d5ce 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts @@ -13,6 +13,11 @@ / { "ifm,imx8mn-vhip4", "fsl,imx8mn"; }; +&cfg_eeprom { + /* Shared with logging EEPROM on v1 hardware */ + wp-gpios = <&gpio5 20 GPIO_ACTIVE_HIGH>; +}; + &ifm_led { pinctrl-1 = <&pinctrl_gpio_led_v1>; @@ -90,7 +95,10 @@ temperature-sensor@48 { eeprom@50 { compatible = "atmel,24c128"; + label = "ifm-logging"; reg = <0x50>; + /* Shared with configuration EEPROM on v1 hardware */ + wp-gpios = <&gpio5 20 GPIO_ACTIVE_HIGH>; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts index 43fd4d0041ef3..04fa43b12d2b5 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts @@ -20,6 +20,12 @@ multi-led { }; }; +&cfg_eeprom { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_cfgeeprom>; + wp-gpios = <&gpio2 11 GPIO_ACTIVE_HIGH>; +}; + &ifm_led { pinctrl-1 = <&pinctrl_gpio_led_v2>; @@ -87,7 +93,11 @@ temperature-sensor@48 { eeprom@54 { compatible = "atmel,24c128"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_logeeprom>; + label = "ifm-logging"; reg = <0x54>; + wp-gpios = <&gpio5 3 GPIO_ACTIVE_HIGH>; }; }; @@ -103,6 +113,13 @@ &ifm_pmic { }; &iomuxc { + pinctrl_cfgeeprom: cfgeeprom-grp { + fsl,pins = < + /* CFG_EEPROM_WP */ + MX8MN_IOMUXC_SD1_STROBE_GPIO2_IO11 0x140 + >; + }; + pinctrl_ecspi1_cs: ecspi1-cs-grp { fsl,pins = < /* KS8794 nCS */ @@ -143,12 +160,8 @@ pinctrl_i2c1_gpio: i2c1-gpio-grp { fsl,pins = < MX8MN_IOMUXC_SD1_DATA4_GPIO2_IO6 0x56 MX8MN_IOMUXC_SD1_DATA5_GPIO2_IO7 0xd6 - /* CFG_EEPROM_WP */ - MX8MN_IOMUXC_SD1_STROBE_GPIO2_IO11 0x140 /* RTC_nIRQ */ MX8MN_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x116 - /* LOG_EE_WP */ - MX8MN_IOMUXC_SPDIF_TX_GPIO5_IO3 0x140 >; }; @@ -166,6 +179,13 @@ MX8MN_IOMUXC_I2C3_SDA_GPIO5_IO19 0xd6 >; }; + pinctrl_logeeprom: logeeprom-grp { + fsl,pins = < + /* LOG_EE_WP */ + MX8MN_IOMUXC_SPDIF_TX_GPIO5_IO3 0x140 + >; + }; + pinctrl_mcp2518: mcp2518-grp { fsl,pins = < /* CAN0_CLKO */ -- 2.53.0