From patchwork Sun Jul 2 17:55:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Oltmanns X-Patchwork-Id: 13299390 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 986E1EB64DD for ; Sun, 2 Jul 2023 17:56:21 +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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5rJQ2rtipPRQfpEKV0dIqTTBbtb6RgD99+R1+j4ihqw=; b=wyiLoGYi6JTLeq 06LP1D78k4ZYtpPUVnzqmnzqo5r0cIRgKaKox4YFDo0Qtnw7yZBDfmXbteqTXGz4A7SY4UcgebGFY 54lHgcvlnd1DlFC2blTJfNA4DqK4ULnuyZIXntI2PMLvYFp1iabqF4JMc5VYHdePXa8/I3EiXtUZB k3V+fz24V6Wehil1Mj6Vq8dpm8lBqeNMFVsraNkzvfGDNCWWzn/S3A3ndt1BXaE5MdoNHRPcqOMYz DKEnCfPKmfVPN16AVU2QXLwwRdDBbCqhlvkT8FzrvDPeRfsoxUpwwiVzhjELNUdJf3kYl0918FpTh p0qGN6fCS0bkYD132BJQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qG1Ij-008F9R-2N; Sun, 02 Jul 2023 17:55:57 +0000 Received: from mout-p-101.mailbox.org ([80.241.56.151]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qG1Ie-008F5k-2a for linux-arm-kernel@lists.infradead.org; Sun, 02 Jul 2023 17:55:54 +0000 Received: from smtp2.mailbox.org (smtp2.mailbox.org [10.196.197.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4QvGtt6CD6z9sTH; Sun, 2 Jul 2023 19:55:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oltmanns.dev; s=MBO0001; t=1688320550; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UYJXelK6HIvlm3HnYGcGVVQzmR308v13RIhh/o3PQBg=; b=wRnKIno8Zl+53XIRjFS/8DvIMFh/37nriSsfDYkfGAlw21nTdvJibyZt4RnMnZR1e9tHYF 7RMMtijVm50jTOmFB6PEe3/ub0M+hcZ4k631WaO1xGrVo+JoPF4zguI2fRs1/JCe52ouZm DKraCXnpZ5aRTKrMUHhoMGtl+yRxPz+v8tOd+UbVD8AOolKtk37+icYAiK0LFTOtFJswDo B8J3BybMON/yOnjd8eEknhxYazb96n5d7oxERavE96v1qGNRidH0zoqBu93j/+a33RFfK9 jiRVtflKB9bi6Foq3a4iwZcwYtUH+3RmC8cFM2qs7TnfQUPEPlnF/JXPQq4HWg== From: Frank Oltmanns Date: Sun, 02 Jul 2023 19:55:22 +0200 Subject: [PATCH v3 3/8] clk: sunxi-ng: Add feature to find closest rate MIME-Version: 1.0 Message-Id: <20230702-pll-mipi_set_rate_parent-v3-3-46dcb8aa9cbc@oltmanns.dev> References: <20230702-pll-mipi_set_rate_parent-v3-0-46dcb8aa9cbc@oltmanns.dev> In-Reply-To: <20230702-pll-mipi_set_rate_parent-v3-0-46dcb8aa9cbc@oltmanns.dev> To: Maxime Ripard , Michael Turquette , Stephen Boyd , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Andre Przywara , Roman Beranek Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Frank Oltmanns X-Developer-Signature: v=1; a=openpgp-sha256; l=879; i=frank@oltmanns.dev; h=from:subject:message-id; bh=nq4as25RxVF9/y/5G9YYRABH8Ort2KDG2xy+iJVw8Qw=; b=owEB7QES/pANAwAIAZppogiUStPHAcsmYgBkoboba3wAEwXiJymkTQCoONbsAf4+BrEkd06OO xBG/cEzMmKJAbMEAAEIAB0WIQQC/SV7f5DmuaVET5aaaaIIlErTxwUCZKG6GwAKCRCaaaIIlErT x9SuC/9IAekMRGvkUFyioDP+R5cgyY2CuyinjuaOp0VgYfQ2L+COWJOmDq9LIovGIVqXAOQ5L7v DrS2cT4q70H59JbgSrrZeEBfBheXAJ3QNS/akazcMZcm7ulkWFzVP0ilQuBE6+wrnakWecHFhJ9 ZH1edZU3VQjYxxwGIv92yGgrIL35slkPSUKmKCI9T37rEWfcF6JPdj9uNwJqcPY0xA6WwC6aGp2 ikVcRryVFPL6nRz/kOZi44V/vAvY3iq1E2uBvocLkS2oxkgIj/tCQhwaYUVcV8mwUlbME/mIrBB MsoBRhtI2TbZHbwbkaYIi9cn9XupxSO5a1f6VzW5h6pQ4gYMA4W/uHFKhcRI/7UKhkgYNGU/Llz VxKUCr7JPGfK1QreusM1xbgovRYi5t4XYoidsU3pxDYqnHqOwhhUp9imprHKxbqXOJyQuD0GTrS JZE5pMquaDSg8rj5OQKZGErmrLjSV5V2YwJ4BbvA++WgfAEWCKR28Q4x9nvYr/cbuuBYw= X-Developer-Key: i=frank@oltmanns.dev; a=openpgp; fpr=02FD257B7F90E6B9A5444F969A69A208944AD3C7 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230702_105553_061807_EACF0C46 X-CRM114-Status: UNSURE ( 9.78 ) 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 The default behaviour of clocks in the sunxi-ng driver is to select a clock rate that is closest to but less than the requested rate. Add the CCU_FEATURE_CLOSEST_RATE flag, which can be used to allow clocks to find the closest rate instead. Signed-off-by: Frank Oltmanns Acked-by: Maxime Ripard --- drivers/clk/sunxi-ng/ccu_common.h | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/sunxi-ng/ccu_common.h b/drivers/clk/sunxi-ng/ccu_common.h index fbf16c6b896d..5ad219f041d5 100644 --- a/drivers/clk/sunxi-ng/ccu_common.h +++ b/drivers/clk/sunxi-ng/ccu_common.h @@ -18,6 +18,7 @@ #define CCU_FEATURE_MMC_TIMING_SWITCH BIT(6) #define CCU_FEATURE_SIGMA_DELTA_MOD BIT(7) #define CCU_FEATURE_KEY_FIELD BIT(8) +#define CCU_FEATURE_CLOSEST_RATE BIT(9) /* MMC timing mode switch bit */ #define CCU_MMC_NEW_TIMING_MODE BIT(30)