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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 56F05EB48F0 for ; Thu, 12 Feb 2026 09:52:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=R+tuvUj0uZ+E/iRJY4A/XI30tcxovKf2pmddgkXjRlo=; b=4Q4hF8ulJwoVY+M72br2A+ND5U +yGi90dw95hX1wmgAdNINcq0pWEvRnh61GFatXwHn44PVXhHQVKDGie4KUkDCAgjXVJDulLdF0DQB gUbaw078YIz3LOSq0aTNRHRg5hEFF2nMifRTb6GUy01sgD3EQJ6aO++oYH8BDIiTvmc8PDrjN03h9 7/hdQ2yj4BfNoaNG8M990CsPaAJ0b6FHr6L8lVwV5xh12aWKUDlIisA5EXCFTO9MLGok7fbZPpf/n 1lsIeBpd3WPO55RJTHIJOhWtgVxTQBpG5splewkveo9W0ZhAW+Cy7E+ofoLNiKPl/xjq9KkCBnr3r b94IAYBg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vqTNE-00000001rVm-3otq; Thu, 12 Feb 2026 09:52:36 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vqTNB-00000001rV7-3Y4b; Thu, 12 Feb 2026 09:52:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1770889949; bh=Oyj79ZYPPb9fjfhBXxDNVreliut+vA9nSSdyxHrxr8M=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=D7gbsXhSQ/BexUUN5j8FGV8j06Q6qAxSOuDzcAGyzp/SrQLiXGBEe/6gd7SI0KWvt kwM9lv0EZutE88KJJRXcBndzXwrv4tsNnup4OlZqLk2L/r0KAY4zFwBHVPntIXUQ2m iMxDX7lpf7OE8NSsUUFKQ1ntnMB7snxdgChrHggoXl4ozt3Gy2uKy8CKfiodsX0cmc uNlKMzIqPx+rRhBxVJMg3vuIkE94woPxjsHmvXjPfEX0lRFhrM37gJvL6Bm6D6QJcF UwqGjtglR8OPZBoR7xCucwBbIqz2cC6VRIUDM6FVaSNg3Ae8nbzy/VSjS7/hPXcm3m Rpt1QIp/sfQEw== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 3BF3017E12D5; Thu, 12 Feb 2026 10:52:29 +0100 (CET) Message-ID: <7ec57033-b0d8-4aa5-b23c-a7ab62fd38f4@collabora.com> Date: Thu, 12 Feb 2026 10:52:28 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/7] soc: mediatek: mtk-mmsys: Add resets for mt8167 To: Luca Leonardo Scorcia , linux-mediatek@lists.infradead.org Cc: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Philipp Zabel , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <0ab331c556d76ddfc7f287d6288c4f60f4ef90c8.1770836190.git.l.scorcia@gmail.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <0ab331c556d76ddfc7f287d6288c4f60f4ef90c8.1770836190.git.l.scorcia@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260212_015234_051239_37FA2639 X-CRM114-Status: GOOD ( 13.68 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 11/02/26 20:03, Luca Leonardo Scorcia ha scritto: > The mt8167 SoC has 64 MMSYS resets, split in two contiguous 32-bits > registers, MMSYS_SW0_RST_B (0x140) and MMSYS_SW1_RST_B (0x144), as > also stated in the downstream kernel for the Lenovo Smart Clock > in the ddp_reg.h header. > > Signed-off-by: Luca Leonardo Scorcia > --- > drivers/soc/mediatek/mt8167-mmsys.h | 3 +++ > drivers/soc/mediatek/mtk-mmsys.c | 2 ++ > 2 files changed, 5 insertions(+) > > diff --git a/drivers/soc/mediatek/mt8167-mmsys.h b/drivers/soc/mediatek/mt8167-mmsys.h > index eef14083c47b..2d20b21fb0ea 100644 > --- a/drivers/soc/mediatek/mt8167-mmsys.h > +++ b/drivers/soc/mediatek/mt8167-mmsys.h > @@ -18,6 +18,9 @@ > #define MT8167_DSI0_SEL_IN_RDMA0 0x1 > #define MT8167_DSI0_SEL_IN_MASK 0x3 > > +#define MT8167_MMSYS_SW0_RST_B 0x140 > +#define MT8167_MMSYS_SW1_RST_B 0x144 > + > static const struct mtk_mmsys_routes mt8167_mmsys_routing_table[] = { > MMSYS_ROUTE(OVL0, COLOR0, > MT8167_DISP_REG_CONFIG_DISP_OVL0_MOUT_EN, OVL0_MOUT_EN_COLOR0, > diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c > index bb4639ca0b8c..03cbc393f978 100644 > --- a/drivers/soc/mediatek/mtk-mmsys.c > +++ b/drivers/soc/mediatek/mtk-mmsys.c > @@ -57,6 +57,8 @@ static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = { > .clk_driver = "clk-mt8167-mm", > .routes = mt8167_mmsys_routing_table, > .num_routes = ARRAY_SIZE(mt8167_mmsys_routing_table), > + .sw0_rst_offset = MT8167_MMSYS_SW0_RST_B, > + .num_resets = 64, Unless you have the full reset table... .rst_tb = (const u8[]) { [MT8167_MMSYS_SW0_RST_B_SMI_COMMON] = MMSYS_RST_NR(0, 0), [MT8167_MMSYS_SW0_RST_B_SMI_LARB] = MMSYS_RST_NR(0, 1), [MT8167_MMSYS_SW0_RST_B_CAM_MDP] = MMSYS_RST_NR(0, 2), [MT8167_MMSYS_SW0_RST_B_MDP_RDMA0] = MMSYS_RST_NR(0, 3), [MT8167_MMSYS_SW0_RST_B_MDP_RSZ0] = MMSYS_RST_NR(0, 4), [MT8167_MMSYS_SW0_RST_B_MDP_RSZ1] = MMSYS_RST_NR(0, 5), [MT8167_MMSYS_SW0_RST_B_MDP_TDSHP0] = MMSYS_RST_NR(0, 6), [MT8167_MMSYS_SW0_RST_B_MDP_WDMA] = MMSYS_RST_NR(0, 7), [MT8167_MMSYS_SW0_RST_B_MDP_WROT0] = MMSYS_RST_NR(0, 8), [MT8167_MMSYS_SW0_RST_B_DISP_DSI0] = MMSYS_RST_NR(0, 22), }, .num_resets = 10, Cheers, Angelo > }; > > static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {