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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F06CECAAD1 for ; Wed, 31 Aug 2022 14:28:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230215AbiHaO2V (ORCPT ); Wed, 31 Aug 2022 10:28:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231438AbiHaO2N (ORCPT ); Wed, 31 Aug 2022 10:28:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D92F013D0C; Wed, 31 Aug 2022 07:28:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 75AA261B74; Wed, 31 Aug 2022 14:28:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC4D0C433C1; Wed, 31 Aug 2022 14:28:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661956091; bh=1QA5Gwy5yM74XPHFPpRTyh0noC8OOgttdPqN/fIeYDQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cNL1O9CENaxh2v8eefT7iJYEyjWCcuShXRxpfxS0qWn2PtGGK8mtGuwxSVRvBFtTl E+IOUipjsmOzWL7lFlw+Gc+d8XlsU9Rn6gUE1p9URYzAQi3TwVYYTUIIE1FriRkjM1 z9yQtyg/nh7zBqE+IOgKmL9JSV6QnEyatA2KL1B5iPSdbuwsU+B8sJgMwc0ML/ZPjX fXIUyJU5pBzH5Ebb6OP0Jdu2CedtgHHntigVNnUDvMK1ISlsmEdfOOhMBkb1InjtfG ygL+cipmfwOy2shhkhBTTvKnzPgbZnFMt/AJxjejy1dL6Wgo2E1e3LVxqB6ziNuzj9 GPyEgGe5CemLg== Received: by pali.im (Postfix) id 1B45A855; Wed, 31 Aug 2022 16:28:09 +0200 (CEST) Date: Wed, 31 Aug 2022 16:28:09 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Krzysztof Kozlowski , Marek Behun Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: dts: turris-omnia: Add mcu node Message-ID: <20220831142809.lcmnv3l4rnulo522@pali> References: <20220819131152.6513-1-pali@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220819131152.6513-1-pali@kernel.org> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org PING? On Friday 19 August 2022 15:11:52 Pali Rohár wrote: > At i2c address 0x2a is MCU command interface which provides access to GPIOs > connected to Turris Omnia MCU. So define mcu node in Turris Omnia DTS file. > > Signed-off-by: Pali Rohár > > --- > Same change was already sent to U-Boot project together with driver. As > Turris Omnia DTS file is shared between Linux kernel U-Boot, I'm sending > this change also in Linux. There is a plan to write also Linux driver for > Turris Omnia MCU, like there is already in U-Boot. > > https://source.denx.de/u-boot/u-boot/-/commit/832738974806e6264a3d0ac2aaa92d0f662fd128 > https://source.denx.de/u-boot/u-boot/-/blob/master/drivers/gpio/turris_omnia_mcu.c > --- > arch/arm/boot/dts/armada-385-turris-omnia.dts | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts > index f4878df39753..f655e9229d68 100644 > --- a/arch/arm/boot/dts/armada-385-turris-omnia.dts > +++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts > @@ -184,7 +184,13 @@ > #size-cells = <0>; > reg = <0>; > > - /* STM32F0 command interface at address 0x2a */ > + /* MCU command i2c API */ > + mcu: mcu@2a { > + compatible = "cznic,turris-omnia-mcu"; > + reg = <0x2a>; > + gpio-controller; > + #gpio-cells = <3>; > + }; > > led-controller@2b { > compatible = "cznic,turris-omnia-leds"; > -- > 2.20.1 >