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: 13204249 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 826CAC76196 for ; Thu, 6 Apr 2023 21:41:49 +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=xEeDH/89mDoOiOonEntJW1oS1O aXeRZg4eSuCvKgj2yF2ASNwhXPyo/i15fxSjqKWWaxOJUheKDTPOnxj2mzZyFHgWCZcQxJOwjeCLO BxrDN9M0/Zvu3wZkiGx6lHuAYgskOM71SPNjB97UeNqPPOCJi29FhdxffNIvIyqE0Jm99GFAXq+xA UgIP/J+T69txvPVzBN6GVdyq1AWSyQRmqI80/GRW3qcZfSccq7T4gWZEG43lXv3kyaMon3LRrKCUk xJshY4TQvOWwL6wsFDgGkBV0K41wbiLpbO6hgDB6U+cCumMYTFnJjwb6Q3C/WGVosD4mquDJYRQM+ deGvEanw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pkXMV-008f72-2R; Thu, 06 Apr 2023 21:41:43 +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-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 --- 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: 13204250 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 673BAC77B6C for ; Thu, 6 Apr 2023 21:42:06 +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=q7QhaMnGErrxER73ipt/TuA4sV5dJsR9zfTYex5jmyQ=; b=hcxd8nnA9jjg3nrhop2qjIR84q 6boSDHfdDa3o90ILWAovLDmD6gwdVXfxV0eEf0iP6JDJ4pfKMl/tsI58uwSDJeTt6xHM/IIZ98IN7 0s/83xxndrUo/+8Q/N2hZR/ILlBhEKZ2lsLrgu35N1QxxKlnd3YV07To0oysD2xfaI0Qj8/+AqKOe ULhZgLVf79q5OyrSriPSh4ZrT/ZslpeVqrbRt3caifDzx3zVSVBxRP3H8w2oTpbNrdU4VNcxuJJtC vqFj0DX6+at/5Jf3z0KGn3210YUuN2mlMn7vPRfs1+BwrUxsgQ1JCVxNPzp/mVFpcN12lNANlDmg7 Di1KOh7Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pkXMm-008fE7-0v; 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-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 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