gpio, rtcio: removed unsupported features on different targets

components/driver/include/esp_private/gpio.h

@@ -0,0 +1,45 @@
+// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include "sdkconfig.h"
+#include <esp_types.h>
+
+#include "soc/soc_caps.h"
+#include "driver/gpio.h"
+
+#if SOC_GPIO_SUPPORT_SLP_SWITCH
+#if CONFIG_GPIO_ESP32_SUPPORT_SWITCH_SLP_PULL
+/**
+  * @brief Emulate ESP32S2 behaviour to backup FUN_PU, FUN_PD information
+  *
+  * @note Need to be called before sleep.
+  *
+  * @return
+  *      - ESP_OK Success
+  */
+esp_err_t gpio_sleep_pupd_config_apply(gpio_num_t gpio_num);
+
+/**
+  * @brief Emulate ESP32S2 behaviour to restore FUN_PU, FUN_PD information
+  *
+  * @note Need to be called after sleep.
+  *
+  * @return
+  *      - ESP_OK Success
+  */
+esp_err_t gpio_sleep_pupd_config_unapply(gpio_num_t gpio_num);
+#endif
+#endif