diff --git a/bsp/renesas/ra2l1-cpk/QE-Touch/SConscript b/bsp/renesas/ra2l1-cpk/QE-Touch/SConscript
new file mode 100644
index 0000000000000000000000000000000000000000..4a240c23b5dea1754af733b186d5ad8e78dc724c
--- /dev/null
+++ b/bsp/renesas/ra2l1-cpk/QE-Touch/SConscript
@@ -0,0 +1,28 @@
+import glob
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+cwd = GetCurrentDir()
+src = []
+group = []
+CPPPATH = []
+
+file = glob.glob('*.tifcfg')
+if len(file):
+    if rtconfig.PLATFORM == 'iar':
+        print("\nThe current project does not support iar build\n")
+        Return('group')
+    elif rtconfig.PLATFORM == 'gcc':
+        src += ['qe_touch_config.c']
+        src += ['qe_sample_rtthread.c']
+        CPPPATH = [cwd, ]
+    elif rtconfig.PLATFORM == 'armclang':
+        src += ['qe_touch_config.c']
+        src += ['qe_sample_rtthread.c']
+        CPPPATH = [cwd, ]
+
+    CPPDEFINES = ['QE_TOUCH_CONFIGURATION']
+    group = DefineGroup('QE-Touch', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
+
+Return('group')
diff --git a/bsp/renesas/ra2l1-cpk/QE-Touch/qe_sample_rtthread.c b/bsp/renesas/ra2l1-cpk/QE-Touch/qe_sample_rtthread.c
new file mode 100644
index 0000000000000000000000000000000000000000..8342466bcfa90b693cd8e03e07df2aff02b50300
--- /dev/null
+++ b/bsp/renesas/ra2l1-cpk/QE-Touch/qe_sample_rtthread.c
@@ -0,0 +1,70 @@
+#include "qe_touch_config.h"
+#include <rtthread.h>
+#include <rtdevice.h>
+#define TOUCH_SCAN_INTERVAL_EXAMPLE (20)    /* milliseconds */
+
+uint64_t button_status;
+#if (TOUCH_CFG_NUM_SLIDERS != 0)
+    uint16_t slider_position[TOUCH_CFG_NUM_SLIDERS];
+#endif
+#if (TOUCH_CFG_NUM_WHEELS != 0)
+    uint16_t wheel_position[TOUCH_CFG_NUM_WHEELS];
+#endif
+
+void qe_touch_main(void *parameter)
+{
+    fsp_err_t err;
+    rt_uint32_t led_blu = rt_pin_get("P501");
+
+    /* Open Touch middleware */
+    rt_kprintf("TOUCH Open\n");
+    err = RM_TOUCH_Open(g_qe_touch_instance_config01.p_ctrl, g_qe_touch_instance_config01.p_cfg);
+    if (FSP_SUCCESS != err)
+    {
+        rt_kprintf("RM_TOUCH_Open fail\n");
+        return;
+    }
+
+    rt_kprintf("TOUCH ScanStart\n");
+    /* Main loop */
+    while (true)
+    {
+        /* for [CONFIG01] configuration */
+        err = RM_TOUCH_ScanStart(g_qe_touch_instance_config01.p_ctrl);
+        if (FSP_SUCCESS != err)
+        {
+            rt_kprintf("RM_TOUCH_Open fail\n");
+            return;
+        }
+        while (0 == g_qe_touch_flag) {}
+        g_qe_touch_flag = 0;
+
+        err = RM_TOUCH_DataGet(g_qe_touch_instance_config01.p_ctrl, &button_status, NULL, NULL);
+        if (FSP_SUCCESS == err)
+        {
+            if (button_status)
+            {
+                rt_pin_write(led_blu, PIN_HIGH);
+            }
+            else
+            {
+                rt_pin_write(led_blu, PIN_LOW);
+            }
+        }
+
+        /* FIXME: Since this is a temporary process, so re-create a waiting process yourself. */
+        rt_thread_mdelay(TOUCH_SCAN_INTERVAL_EXAMPLE);
+    }
+}
+
+int touch_init(void)
+{
+    rt_thread_t tid = rt_thread_create("touch", qe_touch_main, RT_NULL, 512, 10, 50);
+    if (tid)
+    {
+        rt_thread_startup(tid);
+    }
+    return 0;
+}
+INIT_APP_EXPORT(touch_init);
+//MSH_CMD_EXPORT(touch_init, touch_init);
diff --git "a/bsp/renesas/ra2l1-cpk/docs/Captouch\346\235\277\350\275\275\350\247\246\346\221\270\346\214\211\351\224\256\351\205\215\347\275\256\350\257\264\346\230\216.md" "b/bsp/renesas/ra2l1-cpk/docs/Captouch\346\235\277\350\275\275\350\247\246\346\221\270\346\214\211\351\224\256\351\205\215\347\275\256\350\257\264\346\230\216.md"
new file mode 100644
index 0000000000000000000000000000000000000000..9bcfd1d2481de062abce5364e557dd722cebb69b
--- /dev/null
+++ "b/bsp/renesas/ra2l1-cpk/docs/Captouch\346\235\277\350\275\275\350\247\246\346\221\270\346\214\211\351\224\256\351\205\215\347\275\256\350\257\264\346\230\216.md"
@@ -0,0 +1,205 @@
+# Captouch板载触摸按键配置说明
+
+## 基础知识
+
+电容式感应单元(CTSU2)测量传感器的静电电容。静电电容的变化由软件来确定，使CTSU能够检测手指是否与传感器接触。传感器的电极表面通常包裹有电介质薄膜，这样手指就不会直接接触电极。
+
+如图所示，电极与周围导体之间存在静电电容(寄生电容)。由于人体是电导体，当手指靠近电极时，静电电容值会增大。
+
+![image-20220802110717583](picture/captouch1.png) 
+
+静电电容的检测采用自电容法和互电容法。在自电容法中，CTSU检测手指和单电极之间产生的静电电容。在互容法中，使用两个电极，一个作为传输电极，另一个作为接收电极，CTSU检测当手指靠近这两个电极时产生的静电电容的变化。
+
+![image-20220802111936905](picture/captouch2.png) 
+
+接下来一起尝试在CPK-RA2L1这块开发板上如何使用触摸按键。
+
+## FSP配置
+
+首先是FSP配置。打开MDK的project工程，通过阅读README的FSP配置部分已经安装了FSP配置工具，并且在MDK中也添加了FSP的打开方式。
+
+先打开FSP配置工具，移至“**Pins**”选项卡并打开 “**Peripherals**”条目。 在外围设备列表中，滚动到“**Input: CTSU**” 。打开配置并确保CTSU0 如下所示。 
+
+![image-20220802113049978](picture/captouch3.png) 
+
+### 创建CapTouch
+
+然后，转到“**Stacks**”选项卡。首先，我们需要添加用于连接到触摸按键的模块。在“**HAL/Common Stacks**”窗格上，单击“**New Stack**”，然后选择“**CapTouch**”->“**Touch (rm_touch)**”。
+
+![image-20220802114613066](picture/captouch4.png) 
+
+选中创建出的rm_touch，在配置中开启UART的Tuning和monitoring功能。
+
+![image-20220802115356241](picture/captouch5.png) 
+
+添加UART端口用于调制过程。
+
+![image-20220803110210310](picture/captouch6.png) 
+
+### 添加UART端口
+
+选中创建出的UART，这里使用UART 0来作为调制串口，如果需要使用其他串口可手动修改channel数值。
+
+![image-20220803114356569](picture/captouch7.png) 
+
+默认的SCI0可能是SPI，需要将SCI0使用的模式修改为UART。
+
+![image-20220803114511416](picture/captouch8.png) 
+
+回到stacks标签页，打开UART端口的DTC功能，并添加DTC。
+
+![image-20220803114731495](picture/captouch9.png) 
+
+为UART的rx和tx添加DTC支持。
+
+![image-20220803114819813](picture/captouch10.png) 
+
+添加完成的效果如图所示。
+
+![image-20220803114919483](picture/captouch11.png) 
+
+### 配置r_ctsu
+
+接着选中r_ctsu，同样打开DTC功能，并添加DTC配置。
+
+![image-20220803115033965](picture/captouch12.png) 
+
+![image-20220803115133548](picture/captouch13.png) 
+
+配置完成后点击生成配置代码并将库文件加入工程。
+
+![image-20220803115205206](picture/captouch14.png) 
+
+### 编译工程
+
+关闭FSP 编译MDK工程，第一次编译出现弹窗确认后再次编译即可。编译通过可进行后续步骤。
+
+![image-20220803134930532](picture/captouch15.png) 
+
+此时FSP的配置就完成了，接下来需要使用到瑞萨 QE for Capacitive Touch 工具。
+
+## QE for Capacitive Touch配置
+
+[QE工具下载地址](https://www.renesas.com/cn/zh/software-tool/qe-capacitive-touch-development-assistance-tool-capacitive-touch-sensors) 下载最新版本的QE for Capacitive Touch。
+
+![image-20220803142500065](picture/captouch16.png) 
+
+下载完成后解压，注意解压的路径不能有中文。解压出的文件如下所示。
+
+![image-20220803143218409](picture/captouch17.png) 
+
+进入目录 eclipse，找到qe-touch.exe双击打开。
+
+![image-20220803143307233](picture/captouch18.png) 
+
+主窗口如图所示，这里显示了QE工具使用的操作步骤，我们跟着这些步骤完成触摸按键的调制过程。最终可以实时监控按键的运行状态。
+
+![image-20220803144721954](picture/captouch19.png) 
+
+### 第一步准备工作
+
+选择工程目录，这里选择ra2l1-cpk的BSP工程目录。
+
+![image-20220803145816770](picture/captouch20.png) 
+
+![image-20220803145832333](picture/captouch21.png) 
+
+然后选择芯片信号，注意看清楚使用的芯片型号和工具中选择的型号要对应。
+
+![image-20220803150443690](picture/captouch22.png) 
+
+### 第二步创建配置
+
+选择*“**Create a new configuration**”*（创建新配置）来创建新的触摸配置。
+
+![image-20220803150603024](picture/captouch23.png) 
+
+这将打开一个新菜单窗口，显示用于创建触摸界面的默认空白画布。从画布右侧选择 *“**Button**”*（按钮）菜单项并将光标移动到画布上，将按钮添加到画布。单击鼠标左键放下按钮图标。通过向画布添加另外两个按钮来完成配置。 添加所有三个按钮后，按 ESC 键退出。 画布将类似于下图。
+
+此时，画布下方会显示 RED X 及文本*“**There are some problems with setting**”*（设置存在一些问题）。这表明画布上的按钮没有绑定到任何 MCU 传感器引脚。 按钮（以及其他已添加了的组件）也将显示为红色，这表明它们的配置存在问题。
+
+要在传感器焊盘和物理触摸通道引脚之间建立连接，需双击 Button00，此时将出现一个对话框。通过下拉菜单和鼠标选择 TS32 作为 MCU 传感器以分配给该按钮。 
+
+![	](picture/captouch24.png) 
+
+触摸按钮配置完成后需要修改下文件名称，默认的文件名称存在不支持的字符。完成这些步骤就可以单击对话框中的*“**Create**”*（创建）配置。
+
+![image-20220803152119579](picture/captouch25.png) 
+
+接着选择输出配置文件，输出路径请选择`ra2l1-cpk/QE-Touch`目录。弹出的弹窗根据实际的情况选择配置。
+
+![image-20220803152648669](picture/captouch26.png) 
+
+![image-20220803152701419](picture/captouch27.png) 
+
+![image-20220803152715716](picture/captouch28.png) 
+
+完成此步配置后将输出如中所示的配置文件和sample代码文件。
+
+![image-20220803154102544](picture/captouch29.png) 
+
+在此目录中已经准备了一份能在RT-Thread系统中运行sample代码。在ENV工具中执行`scons --target=mdk5`命令生成MDK工程并将刚刚的配置文件和sample文件加入到工程中。
+
+![image-20220803154630457](picture/captouch30.png) 
+
+打开创建的MDK工程并编译，然后进入debug。jlink可能会弹出选择芯片信号的窗口，输入`r7fa2l1ab`选中点击OK即可进入。
+
+![image-20220803155646859](picture/captouch_jlink.png) 
+
+在MDK的debug中点击run按钮全速运行程序。
+
+![image-20220804141317303](picture/captouch_dbg.png) 
+
+可以看到命令行打印出日志信息，touch功能的sample已启动。
+
+![image-20220803155821105](picture/captouch_msh.png) 
+
+### 第三步Tuning
+
+回到QE工具启动Tuning过程。使用了UART0端口(P100、P101)，需要使用到USB-TTL工具连接电脑。
+
+![image-20220804140317043](picture/captouch_tuning0.png) 
+
+ ![image-20220803152701419](picture/captouch27.png)
+
+![image-20220803152715716](picture/captouch28.png) 
+
+等待自动调节过程，此过程时间可能较长请勿触碰触摸按键。
+
+![image-20220804104724939](picture/captouch_tuning.png) 
+
+注意：经过几个自动化步骤后，您将看到包含如下所示信息的对话框。 这是 Tuning（调节）过程的触摸灵敏度测试步骤。您可以看到传入的“触摸计数”，即在传感器上看到的电容。 如果触摸板上的传感器（此时为 BTN3、TS28），将会使条形图和触摸计数增加，这是因为我们正在更改/增加触摸传感器的电容而导致的计数上升。且 Tuning（调节）总是从最低传感器编号到最高传感器编号进行。
+
+您需要在电极板 （BTN3/TS28）上的传感器上使用**一般的触摸力度**。当按下板上 BTN1 位置时，便会看到进度条向右进展，同时触摸计数也在增加。保持按压并点击电脑键盘上的任意键(如空格)以记录测量结果。示例如下所示。 测量结果将因显示的计数而异。对按钮 BTN1 和 BTN2 重复此过程。
+
+![image-20220804105539784](picture/captouch_tuning1.png) 
+
+完成后，您将看到如下所示的界面。理想情况下，使用此硬件应该会看到 1000 次或更多计数的触摸阈值。这是中间件用来确定是否发生触摸事件的检测阈值。
+
+注意：在 Tuning（调节）过程中您可能会收到“寄生电容< 10pF”的警告。如果发生这种情况，请选中选择目标框并单击重试以尝试重新 Tuning（调节）该传感器。要注意的是，要使 CTSU/CTSU2 IP 实现最佳性能，至少需要 10pF 的负载电容。低于 10pF 的负载会导致该传感器通道上的噪声敏感。
+
+![image-20220804105830232](picture/captouch_tuning2.png) 
+
+单击对话框中的*“**Continue the Tuning Process**”*（继续调节）按钮。 这将退出 Tuning（调节）过程并与目标上的调试会话断开连接。
+
+![image-20220804110018273](picture/captouch_tuning3.png) 
+
+按钮调试完成输出Tuning（调节）参数文件。单击按钮*“**Output Parameter Files**”*（输出参数文件）。部分配置代码有更新，**需要重新编译工程。然后再次更新固件**。
+
+![image-20220804110107072](picture/captouch_tuning4.png) 
+
+### 第四步连接并监控状态
+
+使用UART连接开发板监控触摸按键状态。
+
+![image-20220804113515382](picture/captouch_tuning5.png) 
+
+连接成功的界面如下所示，可以点击左上角的*“**Enable Monitoring**”*开始监测。
+
+在主窗口切换视图到 CapTouch Status Chart (QE) 可以监控图形触摸灵敏度，看到所选触摸传感器的当前计数值、参考值、阈值以及触摸传感器是打开还是关闭状态。
+
+左下的窗口可以通过下拉菜单选择按键名称，可以通过 CapTouch Multi Status Chart (QE) 视图同时查看多个传感器以评估串扰等性能。
+
+![image-20220804114016844](picture/captouch_monitoring.png) 
+
+同时在按下按钮时开发板上的蓝色LED灯会常亮，抬起则熄灭。
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