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 5E1AEC47258 for ; Sun, 28 Jan 2024 16:14:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=U9UutwQgoaKOY+3zlZroth/m97GHpQ6CItyFlq5ZQw8=; b=0nZx1HLlxoIjgM 6EpPwyvRL2DiRSEjioin/TBNgjHNNtzwMsruAt2jOgDtksInfs9nGmqM1I8TdXpdHAxIoirNbQK2O uVKZWzgiiIH6gy/9+o8iBpEgvCNC8Ma30Dnj8+GH96t+Q5yD4py7EwasuqIC3uJVUJVi2tVd6kpL5 vbe7vUiVGMnaH2tllg+qJm4X8tLenkzDWvLx9RsO9qUd1erk1cjafj2YgMMPR6yYZ3FYvcsZ1K+US IMp72u1k/vTbUYMF02QOEJfZfAnbXcXVpVJLk0MMJJh2AxDCQzSnb3ZtwZ1TSqv0aQfBXTv6QkREy z7chCcwLoQp0Hs+Mx2mA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rU7o3-00000009qhg-1tPb; Sun, 28 Jan 2024 16:14:51 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rU7nu-00000009qdG-2Urg; Sun, 28 Jan 2024 16:14:43 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 1030D61BB6; Sun, 28 Jan 2024 16:14:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97D7CC433F1; Sun, 28 Jan 2024 16:14:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706458451; bh=4Gqb/Kft+ydmG62lfpNUxY10aIVDjYIQjA1SGPOZj7U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GM1TlSKZ4fucQqpQWAGBbXOWz/4ME9lbto9ilQZewvMNTPcqOv5X2mc54ysTP/18h ltTUlJFHkpZFD93DCcv9DVwDBG+dU8wjs5yTjd38OOjjnFkbf1kvEhTHyFSkwXaoOH k4ubFM+v3OJGqcGUPXGTVv/imPMer/CLN9j3mnJaO1ncmZjuf78iGAWASVFVImDeGu lja0dtRfhXje7hUlPrT8+XaJbCUsAm7SYcsv9VOA8AIvcfZSS/kBBlHAbyA5AhlzF3 J3JgxiAlPsCZYRul83JEr4HuRVgjUv7DIYpNamcmPptpvFA94PxG0yB/wUrZ2TEDGC QLde+SwL3SE/A== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tim Lunn , Heiko Stuebner , Andi Shyti , Wolfram Sang , Sasha Levin , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-i2c@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 31/31] i2c: rk3x: Adjust mask/value offset for i2c2 on rv1126 Date: Sun, 28 Jan 2024 11:13:01 -0500 Message-ID: <20240128161315.201999-31-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240128161315.201999-1-sashal@kernel.org> References: <20240128161315.201999-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.14 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240128_081442_757095_CE2F21E3 X-CRM114-Status: GOOD ( 12.00 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Tim Lunn [ Upstream commit 92a85b7c6262f19c65a1c115cf15f411ba65a57c ] Rockchip RV1126 is using old style i2c controller, the i2c2 bus uses a non-sequential offset in the grf register for the mask/value bits for this bus. This patch fixes i2c2 bus on rv1126 SoCs. Signed-off-by: Tim Lunn Acked-by: Heiko Stuebner Reviewed-by: Andi Shyti Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-rk3x.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 4362db7c5789..086fdf262e7b 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -1295,8 +1295,12 @@ static int rk3x_i2c_probe(struct platform_device *pdev) return -EINVAL; } - /* 27+i: write mask, 11+i: value */ - value = BIT(27 + bus_nr) | BIT(11 + bus_nr); + /* rv1126 i2c2 uses non-sequential write mask 20, value 4 */ + if (i2c->soc_data == &rv1126_soc_data && bus_nr == 2) + value = BIT(20) | BIT(4); + else + /* 27+i: write mask, 11+i: value */ + value = BIT(27 + bus_nr) | BIT(11 + bus_nr); ret = regmap_write(grf, i2c->soc_data->grf_offset, value); if (ret != 0) { -- 2.43.0 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip