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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by PA4PR04MB9271.eurprd04.prod.outlook.com (2603:10a6:102:2a6::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6222.35; Fri, 31 Mar 2023 06:41:36 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::778e:19d0:cba0:5cc0]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::778e:19d0:cba0:5cc0%4]) with mapi id 15.20.6222.028; Fri, 31 Mar 2023 06:41:36 +0000 From: "Peng Fan (OSS)" To: abelvesa@kernel.org, abel.vesa@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com Cc: linux-imx@nxp.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan Subject: [PATCH 2/6] clk: imx: fracn-gppll: disable hardware select control Date: Fri, 31 Mar 2023 14:46:25 +0800 Message-Id: <20230331064629.2475338-3-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230331064629.2475338-1-peng.fan@oss.nxp.com> References: <20230331064629.2475338-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SI1PR02CA0051.apcprd02.prod.outlook.com (2603:1096:4:1f5::6) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|PA4PR04MB9271:EE_ X-MS-Office365-Filtering-Correlation-Id: 823a01f0-ac1e-485a-8201-08db31b2f927 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Fixes: 1b26cb8a77a4 ("clk: imx: support fracn gppll") Signed-off-by: Peng Fan --- drivers/clk/imx/clk-fracn-gppll.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c index ec50c41e2a4c..f6674110a88e 100644 --- a/drivers/clk/imx/clk-fracn-gppll.c +++ b/drivers/clk/imx/clk-fracn-gppll.c @@ -15,6 +15,7 @@ #include "clk.h" #define PLL_CTRL 0x0 +#define HW_CTRL_SEL BIT(16) #define CLKMUX_BYPASS BIT(2) #define CLKMUX_EN BIT(1) #define POWERUP_MASK BIT(0) @@ -193,6 +194,11 @@ static int clk_fracn_gppll_set_rate(struct clk_hw *hw, unsigned long drate, rate = imx_get_pll_settings(pll, drate); + /* Hardware control select disable. PLL is control by register */ + tmp = readl_relaxed(pll->base + PLL_CTRL); + tmp &= ~HW_CTRL_SEL; + writel_relaxed(tmp, pll->base + PLL_CTRL); + /* Disable output */ tmp = readl_relaxed(pll->base + PLL_CTRL); tmp &= ~CLKMUX_EN;