saradc: txhd2: support saradc/keypad [1/3]

PD#SWPL-126417

Problem:
TXHD2 Silicon Bringup

Solution:
TXHD2 Silicon Bringup

Verify:
TXHD2/BE319

Change-Id: I3855b94bd0ac80ed1d8f93665d36a0c8566e1c40
Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
diff --git a/txhd2/saradc-data.h b/txhd2/saradc-data.h
index c71e421..a16abd2 100644
--- a/txhd2/saradc-data.h
+++ b/txhd2/saradc-data.h
@@ -12,13 +12,16 @@
 #define SAR_CLK_BASE AO_SAR_CLK
 #define SARADC_BASE AO_SAR_ADC_REG0
 
-#define REG11_VREF_EN_VALUE 0
-#define REG11_CMV_SEL_VALUE 0
+#define REG11_VREF_EN_VALUE 1
+#define REG11_CMV_SEL_VALUE 1
 #define REG11_EOC_VALUE 1
 
-/* t5 saradc interrupt num */
-#define SARADC_INTERRUPT_NUM 11
+/* txhd2 saradc interrupt num */
+#define SARADC_INTERRUPT_NUM 8
 
 #define SARADC_REG_NUM (18 + 1)
 
+/* bandgap of gxlx3 and txhd2 is bit12 */
+#define SARADC_REG11_BANDGAP_EN_BIT 12
+
 #endif