From nobody Mon Feb 9 08:54:21 2026 Received: from mail.thorsis.com (mail.thorsis.com [217.92.40.78]) (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 CC0BC219FF for ; Fri, 12 Apr 2024 14:15:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.92.40.78 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712931360; cv=none; b=s+vUptZn2tEpUZZfpdPfYIC108lyDCPJ05l/QCFmjmAXecLG7VG1ekwHodFYMV8ixbrymTKxw/axMUGYS/uhzUzQ1zpwPLg8/wx70Lima+3wy8ddQ1jVuF049fnSywHHQiQ2Whh0Z3J5XWB8AZqbbNyGFpopBLEm/TxepJWb9aY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712931360; c=relaxed/simple; bh=pi4POFJGbmG+EFSX5jHO6VKwHpT+QQ5oihzvzacsONs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NmoAV+gwcIUJs/jTEutU9HWl5aio/UgW+WFBP9GYe5xsPItJuxxsS87Gs+f9Goyxfch/17cV62qyCgCACeIrZA9rrytg9DX+ed7ZkPx8qE7tzaDGQQvNvmOxMAZ2VDV8RlCAX49cgPelEotCxs5rD9EznTMnPqQntnYAG4ALozI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=thorsis.com; spf=pass smtp.mailfrom=thorsis.com; dkim=pass (2048-bit key) header.d=thorsis.com header.i=@thorsis.com header.b=SPW1M2jb; arc=none smtp.client-ip=217.92.40.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=thorsis.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=thorsis.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=thorsis.com header.i=@thorsis.com header.b="SPW1M2jb" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E3B9C148CE13; Fri, 12 Apr 2024 16:08:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thorsis.com; s=dkim; t=1712930894; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=sBl9oAOfMtgLk5aj+/DBmqnWaUXUF14bw/24EPbqnmA=; b=SPW1M2jbnU6MXKb15lSvyKvVIN3FnC7iukYQaJ+nL5+BosGJV2W/kIB5iUEgeoO/buenw1 3iP7i2kNOXbKY4srZXprxOIwIAibd2/F/TK9UU2MEejaNa/SCTROP4WyUIGgdvFcAZ/VE2 6Fm/HSlWoRi0n0wbKJKFKISb+uKMisKtZPaTxQVrMBzegDGhNlfDUN05rnoebRIQGCjBcN JAH9dgJcBmxIJ6uBCrWt0mptj915VvQ+C81e1sI256vx52+VxPEaAvAfDyb1iUdfQ4PCVy 70/Q/V/47qw04WSk7wHWy43Kp2viH40X7duL4IbAs7QmR8PlKTxelcjb9dcssA== From: Alexander Dahl To: Claudiu Beznea Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 1/1] nvmem: microchip-otpc: Add support for SAM9X60 Date: Fri, 12 Apr 2024 16:08:02 +0200 Message-Id: <20240412140802.1571935-2-ada@thorsis.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240412140802.1571935-1-ada@thorsis.com> References: <20240412140802.1571935-1-ada@thorsis.com> 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 X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" --- .../dts/microchip/at91-sam9x60_curiosity.dts | 4 ++++ arch/arm/boot/dts/microchip/sam9x60.dtsi | 7 +++++++ drivers/nvmem/microchip-otpc.c | 16 +++++++++++++--- 3 files changed, 24 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts b/arch/= arm/boot/dts/microchip/at91-sam9x60_curiosity.dts index c6fbdd29019f..754ce8134f73 100644 --- a/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts +++ b/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts @@ -254,6 +254,10 @@ ethernet-phy@0 { }; }; =20 +&otpc { + status =3D "okay"; +}; + &pinctrl { adc { pinctrl_adc_default: adc-default { diff --git a/arch/arm/boot/dts/microchip/sam9x60.dtsi b/arch/arm/boot/dts/m= icrochip/sam9x60.dtsi index 291540e5d81e..010c45f533fe 100644 --- a/arch/arm/boot/dts/microchip/sam9x60.dtsi +++ b/arch/arm/boot/dts/microchip/sam9x60.dtsi @@ -156,6 +156,13 @@ sdmmc1: sdio-host@90000000 { status =3D "disabled"; }; =20 + otpc: efuse@eff00000 { + compatible =3D "microchip,sam9x60-otpc", "syscon"; + reg =3D <0xeff00000 0xec>; + #address-cells =3D <1>; + #size-cells =3D <1>; + }; + apb { compatible =3D "simple-bus"; #address-cells =3D <1>; diff --git a/drivers/nvmem/microchip-otpc.c b/drivers/nvmem/microchip-otpc.c index 7cf81738a3e0..af9ab1158a2b 100644 --- a/drivers/nvmem/microchip-otpc.c +++ b/drivers/nvmem/microchip-otpc.c @@ -8,6 +8,7 @@ */ =20 #include +#include #include #include #include @@ -248,29 +249,38 @@ static int mchp_otpc_probe(struct platform_device *pd= ev) int ret; =20 otpc =3D devm_kzalloc(&pdev->dev, sizeof(*otpc), GFP_KERNEL); - if (!otpc) + if (!otpc) { + dev_err(&pdev->dev, "devm_kzalloc() error\n"); return -ENOMEM; + } =20 otpc->base =3D devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(otpc->base)) + if (IS_ERR(otpc->base)) { + dev_err(&pdev->dev, "devm_platform_ioremap_resource() error\n"); return PTR_ERR(otpc->base); + } =20 otpc->dev =3D &pdev->dev; ret =3D mchp_otpc_init_packets_list(otpc, &size); - if (ret) + if (ret) { + dev_err(&pdev->dev, "mchp_otpc_init_packets_list() error (%d)\n", ret); return ret; + } =20 mchp_nvmem_config.dev =3D otpc->dev; mchp_nvmem_config.add_legacy_fixed_of_cells =3D true; mchp_nvmem_config.size =3D size; mchp_nvmem_config.priv =3D otpc; nvmem =3D devm_nvmem_register(&pdev->dev, &mchp_nvmem_config); + if (!nvmem) + dev_err(&pdev->dev, "devm_nvmem_register() error\n"); =20 return PTR_ERR_OR_ZERO(nvmem); } =20 static const struct of_device_id __maybe_unused mchp_otpc_ids[] =3D { { .compatible =3D "microchip,sama7g5-otpc", }, + { .compatible =3D "microchip,sam9x60-otpc", }, { }, }; MODULE_DEVICE_TABLE(of, mchp_otpc_ids); --=20 2.39.2