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,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 A7FD5C282CD for ; Mon, 28 Jan 2019 15:48:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79BBD21741 for ; Mon, 28 Jan 2019 15:48:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690512; bh=hJIh8QLmnTUJg9HEZ4nA/enTyoQ3r6pXm5y59mYhCk4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lemLb7bLI1R/CTVJYDSU28nuOGYhF6gyRjjsIEMG0uaxHkB+0dlMIP3mPaWeXiEQ5 glpjZ7UrgfBHdWmEYyM88afstXKW1aENH819+JG6VuzIXNgkmBg3F3FJKAMMF71AtF NWtYsADX/Unt8vNT3Jd12muCbsBgryscY76Obpbw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728525AbfA1Psa (ORCPT ); Mon, 28 Jan 2019 10:48:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:33802 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726919AbfA1PsY (ORCPT ); Mon, 28 Jan 2019 10:48:24 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 79C5C21741; Mon, 28 Jan 2019 15:48:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690504; bh=hJIh8QLmnTUJg9HEZ4nA/enTyoQ3r6pXm5y59mYhCk4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EcDeGYWlhADg92dyGh9xq0Y9t6RtDZIr+HFujb2yoyC1FbbdebwUvekl68Pgu643o bHxXaNAC9qfVEnN0QoEUvUPb3KIXorKeh6OqKtcYiDr50x8NX/Q3wAiYKDfBLXE+CZ sYZ4NhP5M6qFaOV+wUPO59wCa9uddcDfZ9vU4OBo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lubomir Rintel , Olof Johansson , Sasha Levin , devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 4.20 108/304] ARM: dts: mmp2: fix TWSI2 Date: Mon, 28 Jan 2019 10:40:25 -0500 Message-Id: <20190128154341.47195-108-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128154341.47195-1-sashal@kernel.org> References: <20190128154341.47195-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lubomir Rintel [ 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