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Add support for Xilinx RTC controller #96720

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Add support for Xilinx RTC controller #96720

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8893908
dts: bindings: rtc: Add Xilinx RTC device tree binding
balanakv Jul 3, 2025
e6b39a7
drivers: rtc: Add support for Xilinx RTC controller
balanakv Jul 3, 2025
70d90de
dts: Add device tree support for RTC
balanakv Jul 3, 2025
4703145
boards: amd: kv260_r5: Enable RTC node
balanakv Sep 29, 2025
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6 changes: 6 additions & 0 deletions boards/amd/kv260_r5/kv260_r5.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
aliases {
eeprom-0 = &eeprom0;
eeprom-1 = &eeprom1;
rtc = &rtc0;
};

i2c_ref_clk: i2c-ref-clk {
Expand All @@ -52,6 +53,11 @@
status = "okay";
};

&rtc0 {
status = "okay";
clock-frequency = <32767>;
};

&i2c1 {
status = "okay";
clocks = <&i2c_ref_clk>;
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1 change: 1 addition & 0 deletions boards/amd/kv260_r5/kv260_r5.yaml
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Expand Up @@ -9,6 +9,7 @@ supported:
- i2c
- eeprom
- gpio
- rtc
testing:
ignore_tags:
- net
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4 changes: 4 additions & 0 deletions boards/amd/kv260_r5/kv260_r5_defconfig
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Expand Up @@ -17,5 +17,9 @@ CONFIG_UART_XLNX_PS=y
CONFIG_I2C=y
CONFIG_EEPROM=y

# Enable ALARM, CALIBRATION
CONFIG_RTC_ALARM=y
CONFIG_RTC_CALIBRATION=y

CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000
CONFIG_ARM_MPU=y
1 change: 1 addition & 0 deletions drivers/rtc/CMakeLists.txt
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Expand Up @@ -38,5 +38,6 @@ zephyr_library_sources_ifdef(CONFIG_RTC_SILABS_SIWX91X rtc_silabs_siwx91x.c)
zephyr_library_sources_ifdef(CONFIG_RTC_SMARTBOND rtc_smartbond.c)
zephyr_library_sources_ifdef(CONFIG_RTC_STM32 rtc_ll_stm32.c)
zephyr_library_sources_ifdef(CONFIG_RTC_TI_MSPM0 rtc_ti_mspm0.c)
zephyr_library_sources_ifdef(CONFIG_RTC_XLNX rtc_xlnx.c)
zephyr_library_sources_ifdef(CONFIG_RTC_XMC4XXX rtc_xmc4xxx.c)
# zephyr-keep-sorted-stop
1 change: 1 addition & 0 deletions drivers/rtc/Kconfig
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Expand Up @@ -70,6 +70,7 @@ source "drivers/rtc/Kconfig.siwx91x"
source "drivers/rtc/Kconfig.smartbond"
source "drivers/rtc/Kconfig.stm32"
source "drivers/rtc/Kconfig.ti_mspm0"
source "drivers/rtc/Kconfig.xlnx"
source "drivers/rtc/Kconfig.xmc4xxx"
# zephyr-keep-sorted-stop

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9 changes: 9 additions & 0 deletions drivers/rtc/Kconfig.xlnx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
# Copyright (c) 2025 Advanced Micro Devices, Inc. (AMD)
# SPDX-License-Identifier: Apache-2.0

config RTC_XLNX
bool "XLNX RTC driver"
default y
depends on DT_HAS_XLNX_ZYNQMP_RTC_ENABLED
help
Enable the XILINX RTC driver
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