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https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1528740/processor-sdk-am62x-am62xx-pru-clock-speed
大家好、
如何知道 AM62XX 处理器上 PRU 的时钟速度是多少？
如何将时钟频率设置为 200MHz 作为 AM335X？
谢谢
我将 DTS 更 改为：
pruss_coreclk_mux：coreclk-mux@3c｛ reg =<0x3c>； #clock-cells =<0>； Clocks =<&K3_CLKS 81 0>、/* pruss_core_clk */ <&k3_CLKS 81 14>；/* pruss_iclk */ assigned-clocks =<&pruss_coreclk_mux>； assigned-clock-parament=<&k3_CLKS 81 14>； assigned-clock-rates =<200000000>；/*附加行*/
}；
但我在系统日志中看到了此错误消息：
[ 14.099942] clk：无法将 30040000.pruss.coreclk-mux clk 时钟速率设置为 200000000（–22)、当前速率：250000000
你好、Vinicius、
此主题将提供更多信息： https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1410928/am625-sdk-10-ti-sci-clk-recalc-rate-failed-for-dev-81-clk-20-ret-–19
此致、
Nick
