From 70c336963b787e0d797156330bab328fe2613f89 Mon Sep 17 00:00:00 2001
From: Wang Fang <wangfang@espressif.com>
Date: Tue, 28 Dec 2021 18:33:18 +0800
Subject: [PATCH] doc: update usb pins and provide a note in api-reference/uart

Closes https://github.com/espressif/esp-idf/issues/8811

Signed-off-by: Ivan Grokhotkov <ivan@espressif.com>
---
 docs/en/api-guides/usb-serial-jtag-console.rst | 7 +++++--
 docs/en/api-reference/peripherals/uart.rst     | 1 +
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/docs/en/api-guides/usb-serial-jtag-console.rst b/docs/en/api-guides/usb-serial-jtag-console.rst
index e3b7b2b592..5f741dadfa 100644
--- a/docs/en/api-guides/usb-serial-jtag-console.rst
+++ b/docs/en/api-guides/usb-serial-jtag-console.rst
@@ -13,14 +13,17 @@ Note that, in contrast with the USB OTG peripheral found in some Espressif chips
 Hardware Requirements
 =====================
 
+{IDF_TARGET_USB_DP_GPIO:default="Not Updated!",esp32c3="19",esp32s3="20"}
+{IDF_TARGET_USB_DM_GPIO:default="Not Updated!",esp32c3="18",esp32s3="19"}
+
 Connect {IDF_TARGET_NAME} to the USB port as follows:
 
 +------+-------------+
 | GPIO | USB         |
 +======+=============+
-| 19   | D+ (green)  |
+| {IDF_TARGET_USB_DP_GPIO}   | D+ (green)  |
 +------+-------------+
-| 18   | D- (white)  |
+| {IDF_TARGET_USB_DM_GPIO}   | D- (white)  |
 +------+-------------+
 | GND  | GND (black) |
 +------+-------------+
diff --git a/docs/en/api-reference/peripherals/uart.rst b/docs/en/api-reference/peripherals/uart.rst
index 57016cedbe..4b606745f2 100644
--- a/docs/en/api-reference/peripherals/uart.rst
+++ b/docs/en/api-reference/peripherals/uart.rst
@@ -62,6 +62,7 @@ Call the function :cpp:func:`uart_param_config` and pass to it a :cpp:type:`uart
     // Configure UART parameters
     ESP_ERROR_CHECK(uart_param_config(uart_num, &uart_config));
 
+For more information on how to configure the hardware flow control options, please refer to :example:`peripherals/uart/uart_echo`.
 
 Multiple Steps
 """"""""""""""