From b3658ad95e893c739abb31b295c7addd8ef39a7b Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Sun, 8 Dec 2019 12:15:06 +0100
Subject: [PATCH] boards/hifive1b: provide i2c configuration

---
 boards/hifive1b/Makefile.features     |  2 +-
 boards/hifive1b/include/periph_conf.h | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/boards/hifive1b/Makefile.features b/boards/hifive1b/Makefile.features
index 9ab282f177..69b658fd31 100644
--- a/boards/hifive1b/Makefile.features
+++ b/boards/hifive1b/Makefile.features
@@ -2,7 +2,7 @@ CPU = fe310
 CPU_MODEL = fe310_g002
 
 # Put defined MCU peripherals here (in alphabetical order)
-#FEATURES_PROVIDED += periph_i2c
+FEATURES_PROVIDED += periph_i2c
 #FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_rtt
diff --git a/boards/hifive1b/include/periph_conf.h b/boards/hifive1b/include/periph_conf.h
index dd5679a514..7217102fef 100644
--- a/boards/hifive1b/include/periph_conf.h
+++ b/boards/hifive1b/include/periph_conf.h
@@ -129,6 +129,22 @@ static const uart_conf_t uart_config[] = {
 #define PWM_NUMOF                   (3)
 /** @} */
 
+/**
+ * @name    I2C configuration
+ * @{
+ */
+static const i2c_conf_t i2c_config[] = {
+    {
+        .addr   = I2C0_CTRL_ADDR,
+        .scl    = GPIO_PIN(0, 13),
+        .sda    = GPIO_PIN(0, 12),
+        .speed  = I2C_SPEED_NORMAL,
+     },
+};
+
+#define I2C_NUMOF                   ARRAY_SIZE(i2c_config)
+/** @} */
+
 #ifdef __cplusplus
 }
 #endif