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drivers: adc: adc_mchp_xec: update configuration register clk times

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MCHP ADC configuration register need to be updated with appropriate
clock time values for high & low time clock.

Signed-off-by: Aditya Bhutada <aditya.bhutada@intel.com>
This commit is contained in:
Aditya Bhutada 2021-12-14 11:25:37 -08:00 • committed by Christopher Friedt
commit e4481f82cb
1 changed files with 7 additions and 0 deletions
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7
drivers/adc/adc_mchp_xec.c
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@ -278,11 +278,18 @@ struct adc_driver_api adc_xec_api = {
.ref_internal = XEC_ADC_VREF_ANALOG, .ref_internal = XEC_ADC_VREF_ANALOG,
}; };
/* ADC Config Register */
#define XEC_ADC_CFG_CLK_VAL(clk_time) ( \
(clk_time << MCHP_ADC_CFG_CLK_LO_TIME_POS) | \
(clk_time << MCHP_ADC_CFG_CLK_HI_TIME_POS))
static int adc_xec_init(const struct device *dev) static int adc_xec_init(const struct device *dev)
{ {
struct adc_xec_regs *adc_regs = ADC_XEC_REG_BASE; struct adc_xec_regs *adc_regs = ADC_XEC_REG_BASE;
struct adc_xec_data *data = dev->data; struct adc_xec_data *data = dev->data;
adc_regs->config_reg = XEC_ADC_CFG_CLK_VAL(DT_INST_PROP(0, clktime));
adc_regs->control_reg = XEC_ADC_CTRL_ACTIVATE adc_regs->control_reg = XEC_ADC_CTRL_ACTIVATE
| XEC_ADC_CTRL_POWER_SAVER_DIS | XEC_ADC_CTRL_POWER_SAVER_DIS
| XEC_ADC_CTRL_SINGLE_DONE_STATUS | XEC_ADC_CTRL_SINGLE_DONE_STATUS