From patchwork Thu Jan 27 16:37:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 538081 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DE0DC433F5 for ; Thu, 27 Jan 2022 16:37:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243910AbiA0Qhr (ORCPT ); Thu, 27 Jan 2022 11:37:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233599AbiA0Qhh (ORCPT ); Thu, 27 Jan 2022 11:37:37 -0500 Received: from ssl.serverraum.org (ssl.serverraum.org [IPv6:2a01:4f8:151:8464::1:2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD912C06173B; Thu, 27 Jan 2022 08:37:36 -0800 (PST) Received: from mwalle01.kontron.local. (unknown [213.135.10.150]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 200D4223EF; Thu, 27 Jan 2022 17:37:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1643301455; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8Lgm3+ejR5iCeubB0LLMdHYvyTni/SmF/Frp1FWA+zQ=; b=N7MkleU7MH65Ylw+E3wXvQlrSPAYLtG9X+bqa/5ZS1OgKkzI5+MIzLvEnfSEi0jvcJh5Jp NeQrKXwbQCwDuzZOnxZD6capkLl4AnMk+sTJnExlRt8VbWkWe/B2KhVzMyUt6aNEUV/yAc gOh5uaX59wo8iyUJkTqvqB4ORl/reYM= From: Michael Walle To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Srinivas Kandagatla , Rob Herring , Shawn Guo , Li Yang , Michael Walle Subject: [PATCH v1 3/3] arm64: dts: ls1028a: add efuse node Date: Thu, 27 Jan 2022 17:37:28 +0100 Message-Id: <20220127163728.3650648-4-michael@walle.cc> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220127163728.3650648-1-michael@walle.cc> References: <20220127163728.3650648-1-michael@walle.cc> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Layerscape SoCs contain a Security Fuse Processor which is basically a efuse controller. Add the node, so userspace can read the efuses. Signed-off-by: Michael Walle --- arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index 7d44102d9c6c..4b248cee830a 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -224,6 +224,17 @@ rst: syscon@1e60000 { little-endian; }; + efuse@1e80000 { + compatible = "fsl,ls1028a-sfp"; + reg = <0x0 0x1e80000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <1>; + + ls1028a_uid: unique-id@1c { + reg = <0x1c 0x8>; + }; + }; + scfg: syscon@1fc0000 { compatible = "fsl,ls1028a-scfg", "syscon"; reg = <0x0 0x1fc0000 0x0 0x10000>;