[nuttx] 02/07: feat(esp32s3-eye): I2C

[acassis]

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acassis pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git

commit 09ee163d378a57723f722fffe58a62625147b399
Author: Marco Casaroli <marco.casar...@gmail.com>
AuthorDate: Tue Oct 10 10:57:40 2023 +0000

    feat(esp32s3-eye): I2C
---
 boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3-eye.h     | 16 ++++++++++++++++
 boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_bringup.c | 14 ++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3-eye.h 
b/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3-eye.h
index c0c4714df0..46fe3522c6 100644
--- a/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3-eye.h
+++ b/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3-eye.h
@@ -85,5 +85,21 @@ int esp32s3_bringup(void);
 int esp32s3_gpio_init(void);
 #endif
 
+/****************************************************************************
+ * Name: board_i2c_init
+ *
+ * Description:
+ *   Configure the I2C driver.
+ *
+ * Returned Value:
+ *   Zero (OK) is returned on success; A negated errno value is returned
+ *   to indicate the nature of any failure.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_I2C_DRIVER
+int board_i2c_init(void);
+#endif
+
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_XTENSA_ESP32S3_ESP32S3_EYE_SRC_ESP32S3_EYE_H */
diff --git a/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_bringup.c 
b/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_bringup.c
index 34af2191bd..d075e5a87c 100644
--- a/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_bringup.c
+++ b/boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_bringup.c
@@ -58,6 +58,10 @@
 #  include "esp32s3_rt_timer.h"
 #endif
 
+#ifdef CONFIG_ESP32S3_I2C
+#  include "esp32s3_i2c.h"
+#endif
+
 #ifdef CONFIG_WATCHDOG
 #  include "esp32s3_board_wdt.h"
 #endif
@@ -139,6 +143,16 @@ int esp32s3_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_I2C_DRIVER
+  /* Configure I2C peripheral interfaces */
+
+  ret = board_i2c_init();
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "Failed to initialize I2C driver: %d\n", ret);
+    }
+#endif
+
 #ifdef CONFIG_INPUT_BUTTONS
   /* Register the BUTTON driver */