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boards: arm: Add support for rtc for Nucleo F103RB, L4A6ZG & F103 mini

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Add LSI clock and RTC clock source for Nucleo F103RB, L4A6ZG and
F103 mini to resolve a regression concerning the RTC counter

Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>
This commit is contained in:
Guillaume Gautier 2022-11-15 15:56:40 +01:00 • committed by Carles Cufí
commit 68f6ebfd6c
3 changed files with 18 additions and 0 deletions
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6
boards/arm/nucleo_f103rb/nucleo_f103rb.dts
View file

@ -43,6 +43,10 @@
}; };
}; };
&clk_lsi {
status = "okay";
};
&clk_hse { &clk_hse {
hse-bypass; hse-bypass;
clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */ clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
@ -120,6 +124,8 @@
}; };
&rtc { &rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay"; status = "okay";
}; };

6
boards/arm/nucleo_l4a6zg/nucleo_l4a6zg.dts
View file

@ -62,6 +62,10 @@
}; };
}; };
&clk_lsi {
status = "okay";
};
&clk_lse { &clk_lse {
status = "okay"; status = "okay";
}; };
@ -127,6 +131,8 @@
}; };
&rtc { &rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay"; status = "okay";
}; };

6
boards/arm/stm32f103_mini/stm32f103_mini.dts
View file

@ -33,6 +33,10 @@
}; };
}; };
&clk_lsi {
status = "okay";
};
&clk_hse { &clk_hse {
clock-frequency = <DT_FREQ_M(8)>; clock-frequency = <DT_FREQ_M(8)>;
status = "okay"; status = "okay";
@ -114,6 +118,8 @@ zephyr_udc0: &usb {
}; };
&rtc { &rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay"; status = "okay";
}; };