From b766a6971eaa377ceb7d5a308b0cd4219e313ad3 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Thu, 5 Sep 2019 19:19:01 +1000
Subject: [PATCH] nrf: Add ADC channel mapping to alt function table.

---
 ports/nrf/nrf52_af.csv    | 16 ++++++++--------
 ports/nrf/pin_defs_nrf5.h |  3 +++
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/ports/nrf/nrf52_af.csv b/ports/nrf/nrf52_af.csv
index 59686ff901..bcb05c227f 100644
--- a/ports/nrf/nrf52_af.csv
+++ b/ports/nrf/nrf52_af.csv
@@ -1,9 +1,9 @@
 P0,P0
 P1,P1
-P2,P2
-P3,P3
-P4,P4
-P5,P5
+P2,P2,ADC1_CH0
+P3,P3,ADC1_CH1
+P4,P4,ADC1_CH2
+P5,P5,ADC1_CH3
 P6,P6
 P7,P7
 P8,P8
@@ -26,10 +26,10 @@ P24,P24
 P25,P25
 P26,P26
 P27,P27
-P28,P28
-P29,P29
-P30,P30
-P31,P31
+P28,P28,ADC1_CH4
+P29,P29,ADC1_CH5
+P30,P30,ADC1_CH6
+P31,P31,ADC1_CH7
 P32,P32
 P33,P33
 P34,P34
diff --git a/ports/nrf/pin_defs_nrf5.h b/ports/nrf/pin_defs_nrf5.h
index 99020ded75..db05aef995 100644
--- a/ports/nrf/pin_defs_nrf5.h
+++ b/ports/nrf/pin_defs_nrf5.h
@@ -57,5 +57,8 @@ enum {
 //  NRF_SPI_Type  *SPIM;
 //  NRF_SPIS_Type *SPIS;
 
+enum {
+  PIN_ADC1 = (1 << 0),
+};
 
 typedef NRF_GPIO_Type pin_gpio_t;