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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-18 20:40:33 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-18 20:40:33 -0700
commit5bc0b123dcb2bb65b0b1ec57e591459dcf583d3d (patch)
tree6ee79d18fd716755d49d18c465c1b25fabc43597 /include/linux/mfd
parenteefbc594abbb1b7e6e7eeadb65ae7c7538474210 (diff)
parentb36f4be3de1b123d8601de062e7dbfc904f305fb (diff)
Merge 3.11-rc6 into char-misc-next
We want these fixes in this tree. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/ti_am335x_tscadc.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index 8d73fe29796a..db1791bb997a 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -113,11 +113,27 @@
#define CNTRLREG_8WIRE CNTRLREG_AFE_CTRL(3)
#define CNTRLREG_TSCENB BIT(7)
+/* FIFO READ Register */
+#define FIFOREAD_DATA_MASK (0xfff << 0)
+#define FIFOREAD_CHNLID_MASK (0xf << 16)
+
+/* Sequencer Status */
+#define SEQ_STATUS BIT(5)
+
#define ADC_CLK 3000000
#define MAX_CLK_DIV 7
#define TOTAL_STEPS 16
#define TOTAL_CHANNELS 8
+/*
+* ADC runs at 3MHz, and it takes
+* 15 cycles to latch one data output.
+* Hence the idle time for ADC to
+* process one sample data would be
+* around 5 micro seconds.
+*/
+#define IDLE_TIMEOUT 5 /* microsec */
+
#define TSCADC_CELLS 2
struct ti_tscadc_dev {