diff options
| author | Mugunthan V N <mugunthanvnm@ti.com> | 2016-10-05 12:04:41 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-11-05 20:32:05 +0300 |
| commit | f438b9da75eb80eb6c4095a5b75324cc9a7f0570 (patch) | |
| tree | 0e25939f7a6cdb7adfd856d318c79825393ef007 /include/linux/mfd | |
| parent | c9329d8638cfa1a86faf4fb8bd4922a3d9c6c437 (diff) | |
| download | linux-f438b9da75eb80eb6c4095a5b75324cc9a7f0570.tar.xz | |
drivers: iio: ti_am335x_adc: add dma support
This patch adds the required pieces to ti_am335x_adc driver for
DMA support
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/ti_am335x_tscadc.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h index e45a208d9944..b9a53e013bff 100644 --- a/include/linux/mfd/ti_am335x_tscadc.h +++ b/include/linux/mfd/ti_am335x_tscadc.h @@ -23,6 +23,8 @@ #define REG_IRQENABLE 0x02C #define REG_IRQCLR 0x030 #define REG_IRQWAKEUP 0x034 +#define REG_DMAENABLE_SET 0x038 +#define REG_DMAENABLE_CLEAR 0x03c #define REG_CTRL 0x040 #define REG_ADCFSM 0x044 #define REG_CLKDIV 0x04C @@ -36,6 +38,7 @@ #define REG_FIFO0THR 0xE8 #define REG_FIFO1CNT 0xF0 #define REG_FIFO1THR 0xF4 +#define REG_DMA1REQ 0xF8 #define REG_FIFO0 0x100 #define REG_FIFO1 0x200 @@ -126,6 +129,10 @@ #define FIFOREAD_DATA_MASK (0xfff << 0) #define FIFOREAD_CHNLID_MASK (0xf << 16) +/* DMA ENABLE/CLEAR Register */ +#define DMA_FIFO0 BIT(0) +#define DMA_FIFO1 BIT(1) + /* Sequencer Status */ #define SEQ_STATUS BIT(5) #define CHARGE_STEP 0x11 |