feat(touch_sens): support touch sensor on esp32s31

docs/zh_CN/api-reference/peripherals/cap_touch_sens.rst

@@ -3,7 +3,7 @@
 
 :link_to_translation:`en:[English]`
 
-{IDF_TARGET_TOUCH_SENSOR_VERSION:default="NOT_UPDATED", esp32="v1", esp32s2="v2", esp32s3="v2", esp32p4="v3", esp32h4="v3"}
+{IDF_TARGET_TOUCH_SENSOR_VERSION:default="NOT_UPDATED", esp32="v1", esp32s2="v2", esp32s3="v2", esp32p4="v3", esp32h4="v3", esp32s31="v3"}
 
 概述
 ------
@@ -31,6 +31,7 @@
 +-----------+--------------+------------------------------------------------------------------------+
 |     V3    |  ESP32-P4    | 第三代触摸传感器，新增跳频扫描                                         |
 |           |  ESP32-H4    |                                                                        |
+|           |  ESP32-S31   |                                                                        |
 +-----------+--------------+------------------------------------------------------------------------+
 
 测量原理

docs/zh_CN/api-reference/peripherals/cap_touch_sens/esp32s31.inc

@@ -0,0 +1,61 @@
+.. This file gets included from other .rst files in this folder.
+.. It contains target-specific snippets.
+.. Comments and '---' lines act as delimiters.
+..
+.. This is necessary mainly because RST doesn't support substitutions
+.. (defined in RST, not in Python) inside code blocks. If that is ever implemented,
+.. These code blocks can be moved back to the main .rst files, with target-specific
+.. file names being replaced by substitutions.
+
+.. touch-chan-mapping
+
+.. list-table::
+    :header-rows: 1
+    :widths: 20  20
+
+    * - 通道
+      - GPIO
+
+    * - CH0
+      - IO6
+
+    * - CH1
+      - IO7
+
+    * - CH2
+      - IO8
+
+    * - CH3
+      - IO9
+
+    * - CH4
+      - IO10
+
+    * - CH5
+      - IO11
+
+    * - CH6
+      - IO12
+
+    * - CH7
+      - IO13
+
+    * - CH8
+      - IO14
+
+    * - CH9
+      - IO15
+
+    * - CH10
+      - IO16
+
+    * - CH11
+      - IO17
+
+    * - CH12
+      - IO18
+
+    * - CH13
+      - IO19
+
+---