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[1/3] ARM: dts: stm32: set HSE_RTC clock frequency to 1 MHz on stm32f746

Message ID 1484833519-9298-2-git-send-email-amelie.delaunay@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Amelie Delaunay Jan. 19, 2017, 1:45 p.m. UTC 
This patch set HSE_RTC clock frequency to 1 MHz, as the clock supplied to
the RTC must be 1 MHz.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
---
 arch/arm/boot/dts/stm32f746.dtsi | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 5bbee56..b42f23d 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -343,6 +343,8 @@ 
 			reg = <0x40023800 0x400>;
 			clocks = <&clk_hse>, <&clk_i2s_ckin>;
 			st,syscfg = <&pwrcfg>;
+			assigned-clocks = <&rcc 1 CLK_HSE_RTC>;
+			assigned-clock-rates = <1000000>;
 		};
 
 		dma1: dma-controller@40026000 {