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主控端可以通过指令查看时钟树，enable_cnt为1，表示时钟已使能。
# cat d/clk/clk_summary
cat d/clk/clk_summary
clock enable_cnt prepare_cnt rate
---------------------------------------------------------------------
hsadc_1_tsp 0 0 0
g_hsadc_1_tsp 0 0 0
hsadc_0_tsp 0 0 0
g_hsadc_0_tsp 0 0 0
pclkin_isp 0 0 0
g_pclkin_isp 0 0 0
pclkin_isp_inv 0 0 0
clkin_isp 0 0 0
pclkin_cif 0 0 0
g_pclkin_cif 0 0 0
pclkin_cif_inv 0 0 0
clkin_cif 0
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转播
