clock_control: esp32c3: added clock control

gating driver support for esp32c3 SoC family

Signed-off-by: Felipe Neves <felipe.neves@espressif.com>

include/dt-bindings/clock/esp32c3_clock.h

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32C3_H_
+#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32C3_H_
+
+/* System Clock Source */
+#define ESP32_CLK_SRC_XTAL             0U
+#define ESP32_CLK_SRC_PLL              1U
+#define ESP32_CLK_SRC_RTC8M            2U
+#define ESP32_CLK_SRC_APLL             3U
+
+/* Supported CPU Frequencies */
+#define ESP32_CLK_CPU_80M              80U
+#define ESP32_CLK_CPU_160M             160U
+
+/* Supported XTAL Frequencies */
+#define ESP32_CLK_XTAL_40M             0U
+
+/* Modules IDs
+ * These IDs are actually offsets in CLK and RST Control registers.
+ * These IDs shouldn't be changed unless there is a Hardware change
+ * from Espressif.
+ *
+ * Basic Modules
+ * Registers: DPORT_PERIP_CLK_EN_REG, DPORT_PERIP_RST_EN_REG
+ */
+#define ESP32_LEDC_MODULE              0
+#define ESP32_UART0_MODULE             1
+#define ESP32_UART1_MODULE             2
+#define ESP32_USB_MODULE               3
+#define ESP32_I2C0_MODULE              4
+#define ESP32_I2S1_MODULE              5
+#define ESP32_TIMG0_MODULE             6
+#define ESP32_TIMG1_MODULE             7
+#define ESP32_UHCI0_MODULE             8
+#define ESP32_RMT_MODULE               9
+#define ESP32_SPI_MODULE              10
+#define ESP32_SPI2_MODULE             11
+#define ESP32_TWAI_MODULE             12
+#define ESP32_RNG_MODULE              13
+#define ESP32_WIFI_MODULE             14
+#define ESP32_BT_MODULE               15
+#define ESP32_WIFI_BT_COMMON_MODULE   16
+#define ESP32_BT_BASEBAND_MODULE      17
+#define ESP32_BT_LC_MODULE            18
+#define ESP32_RSA_MODULE              19
+#define ESP32_AES_MODULE              20
+#define ESP32_SHA_MODULE              21
+#define ESP32_HMAC_MODULE             22
+#define ESP32_DS_MODULE               23
+#define ESP32_GDMA_MODULE             24
+#define ESP32_SYSTIMER_MODULE         25
+#define ESP32_SARADC_MODULE           26
+#define ESP32_MODULE_MAX              27
+
+#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32C3_H_ */