iio: at91: Use different prescal, startup mask in MR for different IP

For at91 boards, there are different IPs for adc. Different IPs has different
STARTUP & PRESCAL mask in ADC_MR.

Signed-off-by: Josh Wu <[email protected]>
Acked-by: Maxime Ripard <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Josh Wu 2013-08-27 12:28:00 +01:00 • committed by Jonathan Cameron
commit 9120c0bea9
3 changed files with 18 additions and 4 deletions

View file

@ -672,8 +672,8 @@ static int at91_adc_probe(struct platform_device *pdev)
shtim = round_up((st->sample_hold_time * adc_clk /
1000000) - 1, 1);
reg = AT91_ADC_PRESCAL_(prsc) & AT91_ADC_PRESCAL;
reg |= AT91_ADC_STARTUP_(ticks) & AT91_ADC_STARTUP;
reg = AT91_ADC_PRESCAL_(prsc) & st->registers->mr_prescal_mask;
reg |= AT91_ADC_STARTUP_(ticks) & st->registers->mr_startup_mask;
if (st->low_res)
reg |= AT91_ADC_LOWRES;
if (st->sleep_mode)
@ -746,6 +746,8 @@ static struct at91_adc_caps at91sam9260_caps = {
.drdy_mask = AT91_ADC_DRDY,
.status_register = AT91_ADC_SR,
.trigger_register = AT91_ADC_TRGR_9260,
.mr_prescal_mask = AT91_ADC_PRESCAL_9260,
.mr_startup_mask = AT91_ADC_STARTUP_9260,
},
};
@ -755,6 +757,8 @@ static struct at91_adc_caps at91sam9g45_caps = {
.drdy_mask = AT91_ADC_DRDY,
.status_register = AT91_ADC_SR,
.trigger_register = AT91_ADC_TRGR_9G45,
.mr_prescal_mask = AT91_ADC_PRESCAL_9G45,
.mr_startup_mask = AT91_ADC_STARTUP_9G45,
},
};
@ -764,6 +768,9 @@ static struct at91_adc_caps at91sam9x5_caps = {
.drdy_mask = AT91_ADC_SR_DRDY_9X5,
.status_register = AT91_ADC_SR_9X5,
.trigger_register = AT91_ADC_TRGR_9X5,
/* prescal mask is same as 9G45 */
.mr_prescal_mask = AT91_ADC_PRESCAL_9G45,
.mr_startup_mask = AT91_ADC_STARTUP_9X5,
},
};