From 1ed2f223fb4949ac031b3c8866d3237f8ff69c76 Mon Sep 17 00:00:00 2001
From: Song Ruo Jing <songruojing@espressif.com>
Date: Fri, 22 Mar 2024 11:24:07 +0800
Subject: [PATCH] fix(uart): correct C2 UART_BITRATE_MAX value

---
 components/soc/esp32c2/include/soc/Kconfig.soc_caps.in | 2 +-
 components/soc/esp32c2/include/soc/clk_tree_defs.h     | 5 ++---
 components/soc/esp32c2/include/soc/soc_caps.h          | 2 +-
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in b/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
index 6f2a2fd407..74f3301940 100644
--- a/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
@@ -617,7 +617,7 @@ config SOC_UART_FIFO_LEN
 
 config SOC_UART_BITRATE_MAX
     int
-    default 5000000
+    default 2500000
 
 config SOC_UART_SUPPORT_WAKEUP_INT
     bool
diff --git a/components/soc/esp32c2/include/soc/clk_tree_defs.h b/components/soc/esp32c2/include/soc/clk_tree_defs.h
index bd8fd7f329..932ab6561a 100644
--- a/components/soc/esp32c2/include/soc/clk_tree_defs.h
+++ b/components/soc/esp32c2/include/soc/clk_tree_defs.h
@@ -190,9 +190,6 @@ typedef enum {
     UART_SCLK_DEFAULT = SOC_MOD_CLK_PLL_F40M,  /*!< UART source clock default choice is PLL_F40M */
 } soc_periph_uart_clk_src_legacy_t;
 
-/////////////////////////////////////////////////I2C////////////////////////////////////////////////////////////////////
-
-
 /////////////////////////////////////////////////SPI////////////////////////////////////////////////////////////////////
 
 /**
@@ -209,6 +206,8 @@ typedef enum {
     SPI_CLK_SRC_XTAL = SOC_MOD_CLK_XTAL,            /*!< Select XTAL as SPI source clock */
 } soc_periph_spi_clk_src_t;
 
+/////////////////////////////////////////////////I2C////////////////////////////////////////////////////////////////////
+
 /**
  * @brief Array initializer for all supported clock sources of I2C
  */
diff --git a/components/soc/esp32c2/include/soc/soc_caps.h b/components/soc/esp32c2/include/soc/soc_caps.h
index 9effb2e90c..2ee6d8e7c9 100644
--- a/components/soc/esp32c2/include/soc/soc_caps.h
+++ b/components/soc/esp32c2/include/soc/soc_caps.h
@@ -289,7 +289,7 @@
 #define SOC_UART_NUM                (2)
 #define SOC_UART_HP_NUM             (2)
 #define SOC_UART_FIFO_LEN           (128)      /*!< The UART hardware FIFO length */
-#define SOC_UART_BITRATE_MAX        (5000000)  /*!< Max bit rate supported by UART */
+#define SOC_UART_BITRATE_MAX        (2500000)  /*!< Max bit rate supported by UART */
 #define SOC_UART_SUPPORT_WAKEUP_INT (1)         /*!< Support UART wakeup interrupt */
 #define SOC_UART_SUPPORT_PLL_F40M_CLK (1)   /*!< Support APB as the clock source */
 #define SOC_UART_SUPPORT_RTC_CLK    (1)     /*!< Support RTC clock as the clock source */