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=unavailable 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 3B833C282C8 for ; Mon, 28 Jan 2019 16:21:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0121920663 for ; Mon, 28 Jan 2019 16:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548692486; bh=hJIh8QLmnTUJg9HEZ4nA/enTyoQ3r6pXm5y59mYhCk4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=EO9ulWh8DKom71IhASyaVayj+Es4dxdnHkX8u0iCGCdn/cRRTA4sPceRiRXPnUb6g /fWXG7TftknXvG8yDzor19+OxYuM9VkZfd/sNao/+RWEMq0PMVLpFzABXCBfr7e1i4 KpsWQYKYsUbaY6YDKR7XwpPAp90bWXsNWLMOAbxY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389022AbfA1QVZ (ORCPT ); Mon, 28 Jan 2019 11:21:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:57102 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388573AbfA1QVW (ORCPT ); Mon, 28 Jan 2019 11:21:22 -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 F27482147A; Mon, 28 Jan 2019 16:21:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548692481; bh=hJIh8QLmnTUJg9HEZ4nA/enTyoQ3r6pXm5y59mYhCk4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZFBesnQ1JvfcKXkUwrfcoeUA2Uy70k8D8vWqqbYCgsQqTzY9j+nbhastZ90GnBBxF kiOefCm6Dn52/9lvjdb8nlK84HjFebPoIDTPhbWg4lWDdqi7eRiaNms6bGFf923G8C jNgT37/VawRqlj6rQSUnuhMi3ewRex2AZskGlyTc= 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 4.9 035/107] ARM: dts: mmp2: fix TWSI2 Date: Mon, 28 Jan 2019 11:18:35 -0500 Message-Id: <20190128161947.57405-35-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128161947.57405-1-sashal@kernel.org> References: <20190128161947.57405-1-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