*/
#define MESON_SAR_ADC_REG11 0x2c
#define MESON_SAR_ADC_REG11_BANDGAP_EN BIT(13)
+ #define MESON_SAR_ADC_REG11_CMV_SEL BIT(6)
+ #define MESON_SAR_ADC_REG11_VREF_VOLTAGE BIT(5)
+ #define MESON_SAR_ADC_REG11_EOC BIT(1)
+ #define MESON_SAR_ADC_REG11_VREF_SEL BIT(0)
#define MESON_SAR_ADC_REG13 0x34
#define MESON_SAR_ADC_REG13_12BIT_CALIBRATION_MASK GENMASK(13, 8)
.datasheet_name = "SAR_ADC_MUX_"#_sel, \
}
+enum meson_sar_adc_vref_sel {
+ VREF_CALIBATION_VOLTAGE = 0,
+ VREF_VDDA = 1,
+};
+
enum meson_sar_adc_avg_mode {
NO_AVERAGING = 0x0,
MEAN_AVERAGING = 0x1,
unsigned int temperature_multiplier;
unsigned int temperature_divider;
u8 disable_ring_counter;
+ bool has_reg11;
+ bool has_vref_select;
+ u8 vref_select;
+ u8 cmv_select;
+ u8 adc_eoc;
+ enum meson_sar_adc_vref_sel vref_volatge;
};
struct meson_sar_adc_data {
MESON_SAR_ADC_REG3_CTRL_CONT_RING_COUNTER_EN,
regval);
+ if (priv->param->has_reg11) {
+ regval = FIELD_PREP(MESON_SAR_ADC_REG11_EOC, priv->param->adc_eoc);
+ regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
+ MESON_SAR_ADC_REG11_EOC, regval);
+
+ if (priv->param->has_vref_select) {
+ regval = FIELD_PREP(MESON_SAR_ADC_REG11_VREF_SEL,
+ priv->param->vref_select);
+ regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
+ MESON_SAR_ADC_REG11_VREF_SEL, regval);
+ }
+
+ regval = FIELD_PREP(MESON_SAR_ADC_REG11_VREF_VOLTAGE,
+ priv->param->vref_volatge);
+ regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
+ MESON_SAR_ADC_REG11_VREF_VOLTAGE, regval);
+
+ regval = FIELD_PREP(MESON_SAR_ADC_REG11_CMV_SEL,
+ priv->param->cmv_select);
+ regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
+ MESON_SAR_ADC_REG11_CMV_SEL, regval);
+ }
+
ret = clk_set_parent(priv->adc_sel_clk, priv->clkin);
if (ret)
return dev_err_probe(dev, ret, "failed to set adc parent to clkin\n");
.bandgap_reg = MESON_SAR_ADC_REG11,
.regmap_config = &meson_sar_adc_regmap_config_gxbb,
.resolution = 10,
+ .has_reg11 = true,
+ .vref_volatge = 1,
+ .cmv_select = 1,
};
static const struct meson_sar_adc_param meson_sar_adc_gxl_param = {
.regmap_config = &meson_sar_adc_regmap_config_gxbb,
.resolution = 12,
.disable_ring_counter = 1,
+ .has_reg11 = true,
+ .vref_volatge = 1,
+ .cmv_select = 1,
};
static const struct meson_sar_adc_param meson_sar_adc_g12a_param = {
.regmap_config = &meson_sar_adc_regmap_config_gxbb,
.resolution = 12,
.disable_ring_counter = 1,
+ .has_reg11 = true,
+ .adc_eoc = 1,
+ .has_vref_select = true,
+ .vref_select = VREF_VDDA,
};
static const struct meson_sar_adc_data meson_sar_adc_meson8_data = {