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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1549CC43381 for ; Mon, 18 Feb 2019 14:26:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D969220851 for ; Mon, 18 Feb 2019 14:26:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550499992; bh=fSgsqt9NUiZxNot9wEtkTeqg2427nXWaR/MhDYfVE5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NXY06P9ZVwln0mTXK+69YJZ2F/9j7rwtbg2P8E5KzKTHUYNiVfieQ5sbk1TpNxaii ejcKfhTwqf56cYvfGoi1Q3Ul+KOrSel6Bi1SbPu7zQWBPNwnd244ltRNk/Flih0/0O mUDAZoLApKhhDiA30H/Py055XXSIFnQ0njP7UniI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389428AbfBROCf (ORCPT ); Mon, 18 Feb 2019 09:02:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:44270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389404AbfBROCb (ORCPT ); Mon, 18 Feb 2019 09:02:31 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 064DB2070D; Mon, 18 Feb 2019 14:02:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550498550; bh=fSgsqt9NUiZxNot9wEtkTeqg2427nXWaR/MhDYfVE5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iICR2hohgae/1G2cHQRIeSfF8bdTT6aWsNHnPJCDETVER2SWyrXAa9rBKsH6v+dNv mYQBNghbaXOPdK6FfmKKIICtdl7ODyn4nhOJk8NQDtVi4QfV6dLyPeaS5hTOM8EI4R rEL3zkKkR9IUFpqZ6UVlSdyhhYn22fFaZ4CdoJ70= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lubomir Rintel , Pavel Machek , Olof Johansson , Sasha Levin Subject: [PATCH 4.4 022/143] ARM: dts: mmp2: fix TWSI2 Date: Mon, 18 Feb 2019 14:42:30 +0100 Message-Id: <20190218133529.966619634@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190218133529.099444112@linuxfoundation.org> References: <20190218133529.099444112@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 1147e05ac9fc2ef86a3691e7ca5c2db7602d81dd ] Marvell keeps their MMP2 datasheet secret, but there are good clues that TWSI2 is not on 0xd4025000 on that platform, not does it use IRQ 58. In fact, the IRQ 58 on MMP2 seems to be a signal processor: arch/arm/mach-mmp/irqs.h:#define IRQ_MMP2_MSP 58 I'm taking a somewhat educated guess that is probably a copy & paste error from PXA168 or PXA910 and that the real controller in fact hides at address 0xd4031000 and uses an interrupt line multiplexed via IRQ 17. I'm also copying some properties from TWSI1 that were missing or incorrect. Tested on a OLPC XO 1.75 machine, where the RTC is on TWSI2. Signed-off-by: Lubomir Rintel Tested-by: Pavel Machek Signed-off-by: Olof Johansson Signed-off-by: Sasha Levin --- arch/arm/boot/dts/mmp2.dtsi | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi index 766bbb8495b6..47e5b63339d1 100644 --- a/arch/arm/boot/dts/mmp2.dtsi +++ b/arch/arm/boot/dts/mmp2.dtsi @@ -220,12 +220,15 @@ status = "disabled"; }; - twsi2: i2c@d4025000 { + twsi2: i2c@d4031000 { compatible = "mrvl,mmp-twsi"; - reg = <0xd4025000 0x1000>; - interrupts = <58>; + reg = <0xd4031000 0x1000>; + interrupt-parent = <&intcmux17>; + interrupts = <0>; clocks = <&soc_clocks MMP2_CLK_TWSI1>; resets = <&soc_clocks MMP2_CLK_TWSI1>; + #address-cells = <1>; + #size-cells = <0>; status = "disabled"; }; -- 2.19.1