void __init ep93xx_register_adc(void)
{
/* Power up ADC, deactivate Touch Screen Controller */
ep93xx_devcfg_set_clear(EP93XX_SYSCON_DEVCFG_TIN,
EP93XX_SYSCON_DEVCFG_ADCPD);
platform_device_register(&ep93xx_adc_device);
}
int ep93xx_i2s_acquire(void)
{
unsigned val;
ep93xx_devcfg_set_clear(EP93XX_SYSCON_DEVCFG_I2SONAC97,
EP93XX_SYSCON_DEVCFG_I2S_MASK);
/*
* This is potentially racy with the clock api for i2s_mclk, sclk and
* lrclk. Since the i2s driver is the only user of those clocks we
* rely on it to prevent parallel use of this function and the
* clock api for the i2s clocks.
*/
val = __raw_readl(EP93XX_SYSCON_I2SCLKDIV);
val &= ~EP93XX_I2SCLKDIV_MASK;
val |= EP93XX_SYSCON_I2SCLKDIV_ORIDE | EP93XX_SYSCON_I2SCLKDIV_SPOL;
ep93xx_syscon_swlocked_write(val, EP93XX_SYSCON_I2SCLKDIV);
return 0;
}
