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UID3231476
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- 2023-12-24
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我在 imx93-11x11-evk-lpuart.dts 中添加了 串口7,放到板子上后,/dev/ttyLP0 /dev/ttyLP4 /dev/ttyLP5
没有串口7的节点,是咋回事
- // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
- /*
- * Copyright 2022 NXP
- */
- #include "imx93-11x11-evk.dts"
- /* Unbind lpuart5 from Bluetooth, use it for lpuart test. */
- &lpuart5 {
- /delete-node/ bluetooth;
- };
- &lpuart6 {
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_uart6>;
- status = "okay";
- };
- &lpuart7 {
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_uart7>;
- status = "okay";
- };
- /*
- * uart test port1. Note: don't use Bluetooth at the sametime.
- * J1001: Pin27--TX Pin28--RX Pin3--CTS Pin5--RTS
- */
- &pinctrl_uart5 {
- fsl,pins = <
- MX93_PAD_GPIO_IO00__LPUART5_TX 0x31e
- MX93_PAD_GPIO_IO01__LPUART5_RX 0x31e
- MX93_PAD_GPIO_IO02__LPUART5_CTS_B 0x31e
- MX93_PAD_GPIO_IO03__LPUART5_RTS_B 0x31e
- >;
- };
- &iomuxc {
- /* uart test port2: J1001: Pin7--TX Pin29--RX Pin31--CTS Pin26--RTS */
- pinctrl_uart6: uart6grp {
- fsl,pins = <
- MX93_PAD_GPIO_IO04__LPUART6_TX 0x31e
- MX93_PAD_GPIO_IO05__LPUART6_RX 0x31e
- MX93_PAD_GPIO_IO06__LPUART6_CTS_B 0x31e
- MX93_PAD_GPIO_IO07__LPUART6_RTS_B 0x31e
- >;
- };
- pinctrl_uart7: uart7grp {
- fsl,pins = <
- MX93_PAD_GPIO_IO08__LPUART7_TX 0x31e
- MX93_PAD_GPIO_IO09__LPUART7_RX 0x31e
- MX93_PAD_GPIO_IO10__LPUART7_CTS_B 0x31e
- MX93_PAD_GPIO_IO11__LPUART7_RTS_B 0x31e
- >;
- };
- };
复制代码
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