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arm64: dts: imx8mn-beacon: Enable RTS-CTS on UART3
There is a header for a DB9 serial port, but any attempts to use hardware handshaking fail. Enable RTS and CTS pin muxing and enable handshaking in the uart node. Signed-off-by: Adam Ford <aford173@gmail.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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@ -175,6 +175,7 @@
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pinctrl-0 = <&pinctrl_uart3>;
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assigned-clocks = <&clk IMX8MN_CLK_UART3>;
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assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>;
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uart-has-rtscts;
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status = "okay";
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};
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@ -258,6 +259,8 @@
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fsl,pins = <
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MX8MN_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x40
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MX8MN_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x40
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MX8MN_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x40
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MX8MN_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x40
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>;
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};
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