From patchwork Thu Apr 6 21:41:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13204252 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 8B7C9C76196 for ; Thu, 6 Apr 2023 21:42:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xumMOlQ7ooKr6+km4rHilzrQ5oi6yZkdCv6i4HFKZ6Y=; b=bmHmrUxd4wrkYi g0j2cYxjFpH0X3MIec87cx27aracQWFhDV8/oaUaedn50/iS4HJQONQxdQkRdiuZqZKJ/CnxguDL+ gjsYFge/HaKULQS4t+iuSl3V7T1mnoWVNWvNB6roOIOcuR3XBcOSVcDswixgMltoPR6kOWl1ZWVGn yRCtN5W8QGM3iQWrcq+pHmxbO/xB4kdHtL8e7xkye+98J7TM9Rxvq38k5DvUbN0Vngx1fnxxyBLF8 eA+07/DHAqXq1HJgqGlHLLoSYGC47Wh9KpPUsD6Khau79kIF37K+zhFSo2i68RV0ffXp7m1xWCf5K PUP5iD2/tOWToVXKH0og==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pkXMW-008f7L-27; Thu, 06 Apr 2023 21:41:44 +0000 Received: from fudo.makrotopia.org ([2a07:2ec0:3002::71]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pkXMS-008f5D-2u; Thu, 06 Apr 2023 21:41:42 +0000 Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pkXMR-0004rW-27; Thu, 06 Apr 2023 23:41:39 +0200 Date: Thu, 6 Apr 2023 22:41:34 +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, Qii Wang , AngeloGioacchino Del Regno , Matthias Brugger , Sam Shih Subject: [PATCH 1/2] i2c: mediatek: add support for MT7981 SoC Message-ID: <5f611059ba664f912c4c5c6cc859acb9b5121e2e.1680817105.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-20230406_144140_942832_B2DB5673 X-CRM114-Status: GOOD ( 10.76 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 --- 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 }, From patchwork Thu Apr 6 21:41:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13204253 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 21022C76196 for ; Thu, 6 Apr 2023 21:42:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=RItV7z0VAnNMfjCAnlfGizb8C62WBtbd+wMVsocSM+0=; b=V/DMOziZS1RVyJ 2lICynrhMPFVyUBz7arZooYkw6hQNReHVnWosbZEydyTeX/nYhv1AUPUleBZ4i23wwAXrtDynkT0f oJQa3kMEoce/nOpqSJRZfwkN5mKhc2L0OXEseSIk7sW5nh/BVE6OAf1Elt9XvXcmwYm42hNvkYlBN 8q6hd5VhjoPMs0bgKEQa0dZCUkn0UTGszTMl7mizFVDvXXojP0CDiJvnf5v55YKbRznm1p5I4HzI4 GPdHAkt6nclCM+riiH3faL+6Cn3OGx/QMy3AGAbflDf0GvcnE1U5PVUfgN0KpmmxXPoHOKYg1eaAo Lq1TZ3ay96e//DJ48ADA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pkXMm-008fES-2e; Thu, 06 Apr 2023 21:42:00 +0000 Received: from fudo.makrotopia.org ([2a07:2ec0:3002::71]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pkXMk-008fCe-0e; Thu, 06 Apr 2023 21:41:59 +0000 Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pkXMi-0004sS-1K; Thu, 06 Apr 2023 23:41:56 +0200 Date: Thu, 6 Apr 2023 22:41:51 +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 2/2] dt-bindings: i2c: i2c-mt65xx: add binding for MT7981 SoC Message-ID: <31957e15116027afd154f0d91e799028e2400bb2.1680817105.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-20230406_144158_239674_0658D12D X-CRM114-Status: UNSURE ( 9.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add binding documentation for the I2C controllers found in the MediaTek MT7981 SoC. Signed-off-by: Daniel Golle --- Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml index 685da4df688d6..fda0467cdd954 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml @@ -23,6 +23,7 @@ properties: - const: mediatek,mt6577-i2c - const: mediatek,mt6589-i2c - const: mediatek,mt7622-i2c + - const: mediatek,mt7981-i2c - const: mediatek,mt7986-i2c - const: mediatek,mt8168-i2c - const: mediatek,mt8173-i2c