From patchwork Mon Apr 10 16:19:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13206505 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 1CA6FC76196 for ; Mon, 10 Apr 2023 16:19:54 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=MNo3VUeVBCvTr93etMC8xb2Qm5HnTquhpskeDbfLiFg=; b=iwDC8PlBy2wdV/Oa7VUOJ1VjAP xaa6Wrp/x1tkdipmNpJoUZZMRLEATrfWuM773lm4Sd8/4G8dZpbQ+RXpHWxOnKsWNUYRO/cpstUhV CWKlU7f9yJD5gLo0vZ0dvg+X/OoBYtcVgwLGPa19zLUmE5KZJOBUxocNNDOWjZrhDdG/77jf2a3Dg OY97pJKAutQQD5Pl6uwz6UFxJxAVc0EEibt2xv6nminBCmtF99TaXgUOOcdLPlGBM8XvN3NT+R049 PWiHVLMeK6yawBosuO3vej3Kvr7KMu1AAeJqDUgtIgp8VwIXeYQggvAoMCF5reMLRKyXlc65NYjqV dQlRAEkQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pluFA-00FWOh-0C; Mon, 10 Apr 2023 16:19:48 +0000 Received: from fudo.makrotopia.org ([2a07:2ec0:3002::71]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pluF7-00FWNi-24; Mon, 10 Apr 2023 16:19:46 +0000 Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pluF6-0004w1-0T; Mon, 10 Apr 2023 18:19:44 +0200 Date: Mon, 10 Apr 2023 17:19:38 +0100 From: Daniel Golle To: linux-i2c@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Qii Wang , Rob Herring , Krzysztof Kozlowski , AngeloGioacchino Del Regno , Matthias Brugger , Sam Shih Subject: [PATCH v3 2/2] i2c: mediatek: add support for MT7981 SoC Message-ID: <7b5c6ba8da51ea6145fb71815a2f65a9e1d341c1.1680857025.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230410_091945_677055_A831783C X-CRM114-Status: GOOD ( 11.48 ) 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 Add support for the I2C units found in the MediaTek MT7981 and MT7988 SoCs. Just like other recent MediaTek I2C units that also uses v3 register offsets (which differ from v2 only by OFFSET_SLAVE_ADDR being 0x94 instead of 0x4). Signed-off-by: Daniel Golle Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Alexandre Mergnat --- drivers/i2c/busses/i2c-mt65xx.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index 59eaefe999b11..a43c4d77739ab 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -431,6 +431,18 @@ static const struct mtk_i2c_compatible mt8168_compat = { .max_dma_support = 33, }; +static const struct mtk_i2c_compatible mt7981_compat = { + .regs = mt_i2c_regs_v3, + .pmic_i2c = 0, + .dcm = 0, + .auto_restart = 1, + .aux_len_reg = 1, + .timing_adjust = 1, + .dma_sync = 1, + .ltiming_adjust = 1, + .max_dma_support = 33 +}; + static const struct mtk_i2c_compatible mt7986_compat = { .quirks = &mt7622_i2c_quirks, .regs = mt_i2c_regs_v1, @@ -516,6 +528,7 @@ static const struct of_device_id mtk_i2c_of_match[] = { { .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat }, { .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat }, { .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat }, + { .compatible = "mediatek,mt7981-i2c", .data = &mt7981_compat }, { .compatible = "mediatek,mt7986-i2c", .data = &mt7986_compat }, { .compatible = "mediatek,mt8168-i2c", .data = &mt8168_compat }, { .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },