From: Gabriel Fernandez <gabriel.fernandez@xxxxxx>
This patch adds lsi / lse oscillators. These clocks can be use by
RTC clocks.
The clock drivers needs to disable the power domain write protection using
syscon / regmap to enable these clocks.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxx>
---
arch/arm/boot/dts/stm32f429.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 35df462..0979fb6 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -55,6 +55,18 @@
compatible = "fixed-clock";
clock-frequency = <0>;
};
+
+ clk-lse {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
+ clk-lsi {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32000>;
+ };
};
soc {
@@ -176,6 +188,11 @@
reg = <0x40013800 0x400>;
};
+ pwrcfg: power-config@40007000 {
+ compatible = "syscon";
+ reg = <0x40007000 0x400>;
+ };
+
pin-controller {
#address-cells = <1>;
#size-cells = <1>;
@@ -330,6 +347,7 @@
compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
reg = <0x40023800 0x400>;
clocks = <&clk_hse>;
+ st,syscfg = <&pwrcfg>;
};
dma1: dma-controller@40026000 {
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
