From patchwork Mon Aug 21 03:36:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jun Gao X-Patchwork-Id: 9911613 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DE433603F3 for ; Mon, 21 Aug 2017 03:38:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D5BBD28592 for ; Mon, 21 Aug 2017 03:38:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CA92728705; Mon, 21 Aug 2017 03:38:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, RCVD_IN_DNSWL_LOW, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id BD50C28727 for ; Mon, 21 Aug 2017 03:38:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dLjALhld28csWByM1UZm/ykX65OkXw5Dl29twit2E1I=; b=TeFm5YX6WyFUTA ryVNSZLHMCAEJTtQzLRYSURSTxlOaAh7m77vOiQ297CBPMOdy9IO63Cfut/zsgq+3h9/bPTN0grJr YsatCg8l6tN9UuOKJ9baqjSwXhAEz7OhhIONlrsZXtRdNpSVKDpRxr/k599Da97eg+F3HV9zefvap kqey9eqIzvdmZkL9ZY3h8gApKJ/oKcHFpEc9l86toL07KXI969VEmgbMEJAxZRQRKM2RpO5QPNVfK jWjdGo56NXqNYnxZgofl8q75xemZ8k2gZhnopjXmAMHD/Zbz2DZGZ3O/iao3p4c2I3hdPuDgl0kfV cpO3BhTFa5wQ9fz56dkw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1djdXC-0003M0-Is; Mon, 21 Aug 2017 03:37:50 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1djdWt-00033I-Mf; Mon, 21 Aug 2017 03:37:33 +0000 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1683635290; Mon, 21 Aug 2017 11:37:04 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs03n1.mediatek.inc (172.21.101.181) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Mon, 21 Aug 2017 11:37:03 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Mon, 21 Aug 2017 11:37:02 +0800 From: Jun Gao To: Wolfram Sang , Matthias Brugger Subject: [PATCH v4 3/3] i2c: mediatek: Add i2c compatible for MediaTek MT7622 Date: Mon, 21 Aug 2017 11:36:54 +0800 Message-ID: <1503286614-17670-4-git-send-email-jun.gao@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1503286614-17670-1-git-send-email-jun.gao@mediatek.com> References: <1503286614-17670-1-git-send-email-jun.gao@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170820_203731_935073_F9C79744 X-CRM114-Status: GOOD ( 12.10 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Jun Gao , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jun Gao Add i2c compatible for MT7622. Compare to MT8173 i2c controller, MT7622 limits message numbers to 255, and does not support 4GB DMA mode. Signed-off-by: Jun Gao Reviewed-by: Yingjoe Chen --- drivers/i2c/busses/i2c-mt65xx.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index 9bedf0b..09d288c 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -172,6 +172,10 @@ struct mtk_i2c { .max_comb_2nd_msg_len = 31, }; +static const struct i2c_adapter_quirks mt7622_i2c_quirks = { + .max_num_msgs = 255, +}; + static const struct mtk_i2c_compatible mt6577_compat = { .quirks = &mt6577_i2c_quirks, .pmic_i2c = 0, @@ -190,6 +194,15 @@ struct mtk_i2c { .support_33bits = 0, }; +static const struct mtk_i2c_compatible mt7622_compat = { + .quirks = &mt7622_i2c_quirks, + .pmic_i2c = 0, + .dcm = 1, + .auto_restart = 1, + .aux_len_reg = 1, + .support_33bits = 0, +}; + static const struct mtk_i2c_compatible mt8173_compat = { .pmic_i2c = 0, .dcm = 1, @@ -201,6 +214,7 @@ struct mtk_i2c { 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,mt8173-i2c", .data = &mt8173_compat }, {} };