Wangjialin 4b34ae1258 bugfix(i2s): allow to use apll in pdm/adc/dac mode ... 1. Allow to use apll in pdm mode 2. Add clock frequency configuration for PDM mode 3. Allow to use apll in ADC/DAC mode		2018-11-27 18:41:20 +08:00
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driver	bugfix(i2s): allow to use apll in pdm/adc/dac mode	2018-11-27 18:41:20 +08:00