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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by AS4PR04MB9243.eurprd04.prod.outlook.com (2603:10a6:20b:4e2::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5791.26; Tue, 8 Nov 2022 02:17:19 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::36a4:e1fc:67a2:c701]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::36a4:e1fc:67a2:c701%9]) with mapi id 15.20.5791.027; Tue, 8 Nov 2022 02:17:19 +0000 From: "Peng Fan (OSS)" To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peng Fan , Marco Felsch Subject: [PATCH V3 04/14] arm64: dts: imx8mp-evk: enable uart1/3 ports Date: Tue, 8 Nov 2022 10:18:10 +0800 Message-Id: <20221108021820.1854971-5-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221108021820.1854971-1-peng.fan@oss.nxp.com> References: <20221108021820.1854971-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SI1PR02CA0012.apcprd02.prod.outlook.com (2603:1096:4:1f7::8) 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_|AS4PR04MB9243:EE_ X-MS-Office365-Filtering-Correlation-Id: 7ea2a54f-125c-4428-d8d8-08dac12f5d11 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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Configure the clock to source from IMX8MP_SYS_PLL1_80M, because the uart could only support max 1.5M buadrate if using OSC_24M as clock source. Signed-off-by: Peng Fan Reviewed-by: Marco Felsch --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 36 ++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index e323e6f4b7e5..29472502d547 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -412,6 +412,15 @@ &snvs_pwrkey { status = "okay"; }; +&uart1 { /* BT */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + assigned-clocks = <&clk IMX8MP_CLK_UART1>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>; + fsl,uart-has-rtscts; + status = "okay"; +}; + &uart2 { /* console */ pinctrl-names = "default"; @@ -434,6 +443,15 @@ &usb_dwc3_1 { status = "okay"; }; +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; + assigned-clocks = <&clk IMX8MP_CLK_UART3>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>; + fsl,uart-has-rtscts; + status = "okay"; +}; + &usdhc2 { assigned-clocks = <&clk IMX8MP_CLK_USDHC2>; assigned-clock-rates = <400000000>; @@ -609,6 +627,15 @@ MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40 >; }; + pinctrl_uart1: uart1grp { + fsl,pins = < + MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x140 + MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX 0x140 + MX8MP_IOMUXC_UART3_RXD__UART1_DCE_CTS 0x140 + MX8MP_IOMUXC_UART3_TXD__UART1_DCE_RTS 0x140 + >; + }; + pinctrl_uart2: uart2grp { fsl,pins = < MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x140 @@ -622,6 +649,15 @@ MX8MP_IOMUXC_GPIO1_IO14__USB2_OTG_PWR 0x10 >; }; + pinctrl_uart3: uart3grp { + fsl,pins = < + MX8MP_IOMUXC_ECSPI1_SCLK__UART3_DCE_RX 0x140 + MX8MP_IOMUXC_ECSPI1_MOSI__UART3_DCE_TX 0x140 + MX8MP_IOMUXC_ECSPI1_SS0__UART3_DCE_RTS 0x140 + MX8MP_IOMUXC_ECSPI1_MISO__UART3_DCE_CTS 0x140 + >; + }; + pinctrl_usdhc2: usdhc2grp { fsl,pins = < MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190