feat: add rockchip-uart-tx-dma

radxa-pkg / radxa-overlays

Additional device tree overlays to support different hardwares on Radxa products

GNU General Public License v2.0

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Closed CodeChenL closed 2 months ago

CodeChenL commented 2 months ago

RK3399 没有定义 dmas 属性 RK33*8 默认开启dma 内核串口驱动默认配置，会导致rx dma触发cpu中断，所以不开

CodeChenL commented 2 months ago

在rock 5c上uart4 m2和uart6 m1对测十分钟没有出现数据校验失败

CodeChenL commented 2 months ago

稍等这样写貌似不对，修改测试稍后推送更新

RadxaYuntian commented 2 months ago

不是说rx不开么？

CodeChenL commented 2 months ago

发现不能单独分别开关rx和tx，恢复全开，反正默认不开dma就是cpu中断，已在rock 3c uart4与usb2tty模块测试