iio: at91: introduce the multiple compatible string for different IPs.

As use the multiple compatible string, we can remove hardware register in dt.

CC: devicetree@vger.kernel.org
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/include/mach/at91_adc.h b/arch/arm/mach-at91/include/mach/at91_adc.h
index 8e7ed5c90817..bea1a2021d1e 100644
--- a/arch/arm/mach-at91/include/mach/at91_adc.h
+++ b/arch/arm/mach-at91/include/mach/at91_adc.h
@@ -48,6 +48,9 @@
 #define         AT91_ADC_ENDRX          (1 << 18)       /* End of RX Buffer */
 #define         AT91_ADC_RXFUFF         (1 << 19)       /* RX Buffer Full */
 
+#define AT91_ADC_SR_9X5         0x30            /* Status Register for 9x5 */
+#define         AT91_ADC_SR_DRDY_9X5    (1 << 24)       /* Data Ready */
+
 #define AT91_ADC_LCDR           0x20            /* Last Converted Data Register */
 #define         AT91_ADC_LDATA          (0x3ff)
 
@@ -58,4 +61,10 @@
 #define AT91_ADC_CHR(n)         (0x30 + ((n) * 4))      /* Channel Data Register N */
 #define         AT91_ADC_DATA           (0x3ff)
 
+#define AT91_ADC_CDR0_9X5       (0x50)                  /* Channel Data Register 0 for 9X5 */
+
+#define AT91_ADC_TRGR_9260      AT91_ADC_MR
+#define AT91_ADC_TRGR_9G45      0x08
+#define AT91_ADC_TRGR_9X5       0xC0
+
 #endif