From c5664b77b051d560cc97c62a006ee725b3dca22b Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Fri, 4 Oct 2019 16:11:17 +0200
Subject: [PATCH] boards/thing52: enable VDD pin for hts221 or lps22hb devices

---
 boards/thingy52/board.c         | 11 +++++++++++
 boards/thingy52/include/board.h |  8 ++++++++
 2 files changed, 19 insertions(+)

diff --git a/boards/thingy52/board.c b/boards/thingy52/board.c
index c48a65ffc6..476a86a8fc 100644
--- a/boards/thingy52/board.c
+++ b/boards/thingy52/board.c
@@ -21,8 +21,19 @@
 #include "cpu.h"
 #include "board.h"
 
+#if defined(MODULE_LPS22HB) || defined(MODULE_HTS221)
+#include "periph/gpio.h"
+#endif
+
 void board_init(void)
 {
+    /* LP22HB and HTS221 can only be powered with VREG when VDD_PWR_CTRL_PIN
+       is set. */
+#if defined(MODULE_LPS22HB) || defined(MODULE_HTS221)
+    gpio_init(VDD_PWR_CTRL_PIN, GPIO_OUT);
+    gpio_set(VDD_PWR_CTRL_PIN);
+#endif
+
     /* initialize the CPU */
     cpu_init();
 }
diff --git a/boards/thingy52/include/board.h b/boards/thingy52/include/board.h
index 1a66f6d592..d3e7d00559 100644
--- a/boards/thingy52/include/board.h
+++ b/boards/thingy52/include/board.h
@@ -33,6 +33,14 @@ extern "C" {
 #define BTN0_MODE           GPIO_IN_PU
 /** @} */
 
+/**
+ * @name    Power switch pins definitions
+ * @{
+ */
+#define SPK_PWR_CTRL_PIN    GPIO_PIN(0, 29) /**< Speaker power switch */
+#define VDD_PWR_CTRL_PIN    GPIO_PIN(0, 30) /**< VDD power switch */
+/** @} */
+
 /**
  * @name    LIS2DH12 low power accelerometer configuration
  * @{