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 B5430CCFA05 for ; Mon, 3 Nov 2025 11:23:13 +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:MIME-Version: Content-Transfer-Encoding:Content-ID:Content-Type:In-Reply-To:References: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=g4to7m/Sx1zueVAy5xn1bqF8xq5H9VEoYXKUNQhPUEY=; b=pZI3TXCC+gmtThJupu5BVCu4+a sqdMlQ5xWQOiD0YGZJXJhaRtdCo2rjlBCpJRM1+02+Q2tAW/nn89RkvrBHAnMAwe7EImrTjjKovSj 8PBnOgJwyRXKdX8lrbx7uQ9dbfgqTDSTHx00IMCyElly4oVB+JazG+YVqDBnG0V60wfxgaQ7X4f4z aNP+3Jx7uR/jBzBR09A7kTg8m0CeVm4q3d/GS2OIzin4EfSfCiriT92k4oQIvStW/5wXncepo4qS/ +6G8lEKA1CxN8EffmGdoxiii8PzwWbSN/wB/+HQT3cjZhCmFwqJEs1k1Oz+87idT+5Q62iCAOUlEI V2DrTsDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vFseQ-00000009jNO-0sX0; Mon, 03 Nov 2025 11:23:06 +0000 Received: from mail.actia.se ([212.181.117.226]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vFseM-00000009jLi-3Sbu for linux-arm-kernel@lists.infradead.org; Mon, 03 Nov 2025 11:23:05 +0000 Received: from S036ANL.actianordic.se (10.12.31.117) by S036ANL.actianordic.se (10.12.31.117) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.61; Mon, 3 Nov 2025 12:22:55 +0100 Received: from S036ANL.actianordic.se ([fe80::e13e:1feb:4ea6:ec69]) by S036ANL.actianordic.se ([fe80::e13e:1feb:4ea6:ec69%3]) with mapi id 15.01.2507.061; Mon, 3 Nov 2025 12:22:55 +0100 From: John Ernberg To: Frank Li CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , "Sascha Hauer" , Pengutronix Kernel Team , Fabio Estevam , "devicetree@vger.kernel.org" , "imx@lists.linux.dev" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 02/12] arm64: dts: imx8qxp: add readonly for ocotp Thread-Topic: [PATCH 02/12] arm64: dts: imx8qxp: add readonly for ocotp Thread-Index: AQHcTLQz74YmS54d7E+9okQ8t4TKIA== Date: Mon, 3 Nov 2025 11:22:55 +0000 Message-ID: References: <20251029-8qxp_dts-v1-0-cf61b7e5fc78@nxp.com> <20251029-8qxp_dts-v1-2-cf61b7e5fc78@nxp.com> In-Reply-To: <20251029-8qxp_dts-v1-2-cf61b7e5fc78@nxp.com> Accept-Language: en-US, sv-SE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.12.12.67] x-esetresult: clean, is OK x-esetid: 37303A2955B14451667462 Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251103_032302_863915_C2C79DEE X-CRM114-Status: GOOD ( 12.96 ) 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 Hi Frank, On Wed, Oct 29, 2025 at 03:54:38PM -0400, Frank Li wrote: > Add readonly for ocotp because i.MX8QXP only support program fuse by scu. This is not true? The driver supports writing the fuses via the SCFW API, and we are using this way to populate the MAC fuses. Best regards // John Ernberg >=20 > Signed-off-by: Frank Li > --- > arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 1 + > 1 file changed, 1 insertion(+) >=20 > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot= /dts/freescale/imx8qxp.dtsi > index def6de8d579d40919e4bf7f88e119611ae4cb69a..cc82cc319159c2558400fa641= 570cddd3ad3083d 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > @@ -234,6 +234,7 @@ ocotp: ocotp { > compatible =3D "fsl,imx8qxp-scu-ocotp"; > #address-cells =3D <1>; > #size-cells =3D <1>; > + read-only; > =20 > fec_mac0: mac@2c4 { > reg =3D <0x2c4 6>; >=20 > --=20 > 2.34.1 >=20