iio: adc: ti_am335x_tscadc: Improve accuracy of measurement

[linux-2.6-block.git] / include / linux / mfd / ti_am335x_tscadc.h

diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index b9a53e013bff35e639830130295c065f78ea654e..483168403ae586ea1c662342375afa990ae5b394 100644 (file)
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -78,6 +78,8 @@
 #define STEPCONFIG_YNN         BIT(8)
 #define STEPCONFIG_XNP         BIT(9)
 #define STEPCONFIG_YPN         BIT(10)
+#define STEPCONFIG_RFP(val)    ((val) << 12)
+#define STEPCONFIG_RFP_VREFP   (0x3 << 12)
 #define STEPCONFIG_INM_MASK    (0xF << 15)
 #define STEPCONFIG_INM(val)    ((val) << 15)
 #define STEPCONFIG_INM_ADCREFM STEPCONFIG_INM(8)
@@ -86,6 +88,8 @@
 #define STEPCONFIG_INP_AN4     STEPCONFIG_INP(4)
 #define STEPCONFIG_INP_ADCREFM STEPCONFIG_INP(8)
 #define STEPCONFIG_FIFO1       BIT(26)
+#define STEPCONFIG_RFM(val)    ((val) << 23)
+#define STEPCONFIG_RFM_VREFN   (0x3 << 23)
 
 /* Delay register */
 #define STEPDELAY_OPEN_MASK    (0x3FFFF << 0)