#define JZ_ADC_REG_CFG_SAMPLE_NUM(n) ((n) << 10)
#define JZ_ADC_REG_CFG_PULL_UP(n) ((n) << 16)
#define JZ_ADC_REG_CFG_CMD_SEL BIT(22)
+#define JZ_ADC_REG_CFG_VBAT_SEL BIT(30)
#define JZ_ADC_REG_CFG_TOUCH_OPS_MASK (BIT(31) | GENMASK(23, 10))
#define JZ_ADC_REG_ADCLK_CLKDIV_LSB 0
#define JZ4725B_ADC_REG_ADCLK_CLKDIV10US_LSB 16
/* Put hardware in a known passive state. */
writeb(0x00, adc->base + JZ_ADC_REG_ENABLE);
writeb(0xff, adc->base + JZ_ADC_REG_CTRL);
+
+ /* JZ4760B specific */
+ if (device_property_present(dev, "ingenic,use-internal-divider"))
+ ingenic_adc_set_config(adc, JZ_ADC_REG_CFG_VBAT_SEL,
+ JZ_ADC_REG_CFG_VBAT_SEL);
+ else
+ ingenic_adc_set_config(adc, JZ_ADC_REG_CFG_VBAT_SEL, 0);
+
usleep_range(2000, 3000); /* Must wait at least 2ms. */
clk_disable(adc->clk);
{ .compatible = "ingenic,jz4725b-adc", .data = &jz4725b_adc_soc_data, },
{ .compatible = "ingenic,jz4740-adc", .data = &jz4740_adc_soc_data, },
{ .compatible = "ingenic,jz4760-adc", .data = &jz4760_adc_soc_data, },
+ { .compatible = "ingenic,jz4760b-adc", .data = &jz4760_adc_soc_data, },
{ .compatible = "ingenic,jz4770-adc", .data = &jz4770_adc_soc_data, },
{ },
};