drivers: timer: add tcc_vcpttc timer driver

Add timer driver for tcc_vcpttc, required by TOPST VCP45.

Signed-off-by: Hounjoung Rim <[email protected]>

Author: pooky1004

drivers/timer/CMakeLists.txt

@@ -41,6 +41,7 @@ zephyr_library_sources_ifdef(CONFIG_REALTEK_RTS5912_RTMR realtek_rts5912_rtmr.c)
 zephyr_library_sources_ifdef(CONFIG_SAM0_RTC_TIMER sam0_rtc_timer.c)
 zephyr_library_sources_ifdef(CONFIG_SILABS_SLEEPTIMER_TIMER silabs_sleeptimer_timer.c)
 zephyr_library_sources_ifdef(CONFIG_STM32_LPTIM_TIMER stm32_lptim_timer.c)
+zephyr_library_sources_ifdef(CONFIG_TCC_VCPTTC_TIMER tcc_vcpttc_timer.c)
 zephyr_library_sources_ifdef(CONFIG_TI_DM_TIMER ti_dmtimer.c)
 zephyr_library_sources_ifdef(CONFIG_XLNX_PSTTC_TIMER xlnx_psttc_timer.c)
 zephyr_library_sources_ifdef(CONFIG_XTENSA_TIMER xtensa_sys_timer.c)

drivers/timer/Kconfig

@@ -99,6 +99,7 @@ source "drivers/timer/Kconfig.sam0_rtc"
 source "drivers/timer/Kconfig.silabs"
 source "drivers/timer/Kconfig.smartbond"
 source "drivers/timer/Kconfig.stm32_lptim"
+source "drivers/timer/Kconfig.tcc_vcpttc"
 source "drivers/timer/Kconfig.ti_dm_timer"
 source "drivers/timer/Kconfig.xlnx_psttc"
 source "drivers/timer/Kconfig.xtensa"

drivers/timer/Kconfig.tcc_vcpttc

@@ -0,0 +1,19 @@
+# Copyright 2024 Hounjoung Rim <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+config TCC_VCPTTC_TIMER
+	bool "Telechips VCP ttc timer support"
+	default y
+	depends on DT_HAS_TCC_TTCVCP_ENABLED
+	help
+	  This module implements a kernel device driver for the Telechips VCP
+	  platform provides the standard "system clock driver" interfaces.
+	  If unchecked, no timer will be used.
+
+config TCC_VCPTTC_TIMER_INDEX
+	int "Telechips VCP ttc timer index"
+	range 0 9
+	default 0
+	depends on TCC_VCPTTC_TIMER
+	help
+	  This is the index of TTC timer picked to provide system clock.