From 67e7a14e6c0346ded2102306c1bca8ecf365c018 Mon Sep 17 00:00:00 2001
From: Bas Stottelaar <basstottelaar@gmail.com>
Date: Tue, 10 Nov 2020 23:39:35 +0100
Subject: [PATCH 1/2] boards/efm32: update channel_numof

The number of channels per timer got updated incorrectly in #15368.
Only TIMER1 and higher have four channels. Without this fix, timer
initialization will halt.
---
 boards/common/slwstk6000b/include/periph_conf.h | 2 +-
 boards/ikea-tradfri/include/periph_conf.h       | 2 +-
 boards/slstk3401a/include/periph_conf.h         | 2 +-
 boards/slstk3402a/include/periph_conf.h         | 4 ++--
 boards/sltb001a/include/periph_conf.h           | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/boards/common/slwstk6000b/include/periph_conf.h b/boards/common/slwstk6000b/include/periph_conf.h
index 628d19778e..79ab2c8ee7 100644
--- a/boards/common/slwstk6000b/include/periph_conf.h
+++ b/boards/common/slwstk6000b/include/periph_conf.h
@@ -148,7 +148,7 @@ static const timer_conf_t timer_config[] = {
             .cmu = cmuClock_TIMER1
         },
         .irq = TIMER1_IRQn,
-        .channel_numof = 4
+        .channel_numof = 3
     },
     {
         .prescaler = {
diff --git a/boards/ikea-tradfri/include/periph_conf.h b/boards/ikea-tradfri/include/periph_conf.h
index 16941596d0..4363398704 100644
--- a/boards/ikea-tradfri/include/periph_conf.h
+++ b/boards/ikea-tradfri/include/periph_conf.h
@@ -125,7 +125,7 @@ static const timer_conf_t timer_config[] = {
             .cmu = cmuClock_TIMER1
         },
         .irq = TIMER1_IRQn,
-        .channel_numof = 4
+        .channel_numof = 3
     },
     {
         .prescaler = {
diff --git a/boards/slstk3401a/include/periph_conf.h b/boards/slstk3401a/include/periph_conf.h
index d2e061c230..cb3753937e 100644
--- a/boards/slstk3401a/include/periph_conf.h
+++ b/boards/slstk3401a/include/periph_conf.h
@@ -155,7 +155,7 @@ static const timer_conf_t timer_config[] = {
             .cmu = cmuClock_TIMER1
         },
         .irq = TIMER1_IRQn,
-        .channel_numof = 4
+        .channel_numof = 3
     },
     {
         .prescaler = {
diff --git a/boards/slstk3402a/include/periph_conf.h b/boards/slstk3402a/include/periph_conf.h
index dde763fc4a..4db7ef2723 100644
--- a/boards/slstk3402a/include/periph_conf.h
+++ b/boards/slstk3402a/include/periph_conf.h
@@ -146,7 +146,7 @@ static const timer_conf_t timer_config[] = {
             .cmu = cmuClock_WTIMER1
         },
         .irq = WTIMER1_IRQn,
-        .channel_numof = 4
+        .channel_numof = 3
     },
     {
         .prescaler = {
@@ -158,7 +158,7 @@ static const timer_conf_t timer_config[] = {
             .cmu = cmuClock_TIMER1
         },
         .irq = TIMER1_IRQn,
-        .channel_numof = 4
+        .channel_numof = 3
     },
     {
         .prescaler = {
diff --git a/boards/sltb001a/include/periph_conf.h b/boards/sltb001a/include/periph_conf.h
index e6de0d5690..f1438857de 100644
--- a/boards/sltb001a/include/periph_conf.h
+++ b/boards/sltb001a/include/periph_conf.h
@@ -155,7 +155,7 @@ static const timer_conf_t timer_config[] = {
             .cmu = cmuClock_TIMER1
         },
         .irq = TIMER1_IRQn,
-        .channel_numof = 4
+        .channel_numof = 3
     },
     {
         .prescaler = {

From b75446e2f8cc4c4effd81198f5f87b92b7c394df Mon Sep 17 00:00:00 2001
From: Bas Stottelaar <basstottelaar@gmail.com>
Date: Tue, 10 Nov 2020 23:43:14 +0100
Subject: [PATCH 2/2] tests/periph_rtc: add to list of 32kHz boards

---
 tests/periph_timer/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/periph_timer/Makefile b/tests/periph_timer/Makefile
index 99b0966bf4..9355ad1d7b 100644
--- a/tests/periph_timer/Makefile
+++ b/tests/periph_timer/Makefile
@@ -14,6 +14,7 @@ BOARDS_TIMER_250kHz := \
 BOARDS_TIMER_32kHz := \
     hifive1 \
     hifive1b \
+    ikea-tradfri \
     %-kw41z \
     openlabs-kw41z-mini \
     frdm-k64f \
@@ -21,6 +22,7 @@ BOARDS_TIMER_32kHz := \
     slstk3401a \
     slstk3402a \
     sltb001a \
+    slwstk6000b-% \
     slwstk6220a \
     stk3600 \
     stk3700 \