From 83e00cf64329569c16907423ee6b48c05fc4054b Mon Sep 17 00:00:00 2001
From: fuzhibo <fuzhibo@espressif.com>
Date: Thu, 13 Jun 2019 15:37:58 +0800
Subject: [PATCH] Driver: gpio and rtcio dirver update

---
 components/driver/gpio.c       |  1 -
 components/driver/rtc_module.c | 42 ++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/components/driver/gpio.c b/components/driver/gpio.c
index 22095cd3b..d8d5c2694 100644
--- a/components/driver/gpio.c
+++ b/components/driver/gpio.c
@@ -628,7 +628,6 @@ esp_err_t gpio_force_unhold_all()
     SET_PERI_REG_MASK(RTC_CNTL_DIG_ISO_REG, RTC_CNTL_CLR_DG_PAD_AUTOHOLD);
     return ESP_OK;
 }
-
 #endif
 
 void gpio_iomux_in(uint32_t gpio, uint32_t signal_idx)
diff --git a/components/driver/rtc_module.c b/components/driver/rtc_module.c
index 5994f21ef..929440c63 100644
--- a/components/driver/rtc_module.c
+++ b/components/driver/rtc_module.c
@@ -122,6 +122,48 @@ static touch_pad_filter_t *s_touch_pad_filter = NULL;
 static uint16_t s_touch_pad_init_bit = 0x0000;
 static filter_cb_t s_filter_cb = NULL;
 
+#if CONFIG_IDF_TARGET_ESP32S2BETA
+typedef volatile struct {
+    uint32_t reserved0:         13;
+    uint32_t fun_ie:             1;             /*input enable in work mode*/
+    uint32_t slp_oe:             1;             /*output enable in sleep mode*/
+    uint32_t slp_ie:             1;             /*input enable in sleep mode*/
+    uint32_t slp_sel:            1;             /*1: enable sleep mode during sleep 0: no sleep mode*/
+    uint32_t fun_sel:            2;             /*function sel*/
+    uint32_t mux_sel:            1;             /*1: use RTC GPIO 0: use digital GPIO*/
+    uint32_t reserved20:         7;
+    uint32_t rue:                1;             /*RUE*/
+    uint32_t rde:                1;             /*RDE*/
+    uint32_t drv:                2;             /*DRV*/
+    uint32_t reserved31:         1;
+} rtc_gpio_info_t;
+
+static rtc_gpio_info_t* rtc_gpio[RTC_GPIO_NUMBER] = {
+    &RTCIO.touch_pad[0].val,
+    &RTCIO.touch_pad[1].val,
+    &RTCIO.touch_pad[2].val,
+    &RTCIO.touch_pad[3].val,
+    &RTCIO.touch_pad[4].val,
+    &RTCIO.touch_pad[5].val,
+    &RTCIO.touch_pad[6].val,
+    &RTCIO.touch_pad[7].val,
+    &RTCIO.touch_pad[8].val,
+    &RTCIO.touch_pad[9].val,
+    &RTCIO.touch_pad[10].val,
+    &RTCIO.touch_pad[11].val,
+    &RTCIO.touch_pad[12].val,
+    &RTCIO.touch_pad[13].val,
+    &RTCIO.touch_pad[14].val,
+    &RTCIO.xtal_32p_pad.val,
+    &RTCIO.xtal_32n_pad.val,
+    &RTCIO.pad_dac[0].val,
+    &RTCIO.pad_dac[1].val,
+    &RTCIO.rtc_pad19.val,
+    &RTCIO.rtc_pad20.val,
+    &RTCIO.rtc_pad21.val
+};
+#endif
+
 typedef enum {
     ADC_CTRL_RTC = 0,
     ADC_CTRL_ULP = 1,