From f6dbbff4f0af1a5c0d6eaf414572b5eff7a73a8b Mon Sep 17 00:00:00 2001 From: Gabriel Fernandez Date: Fri, 14 Oct 2016 11:18:00 +0200 Subject: [PATCH] ARM: dts: stm32f429: add LSI and LSE clocks 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 Signed-off-by: Alexandre TORGUE --- 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 b02a31edd0b2..e4dae0eda3cd 100644 --- a/arch/arm/boot/dts/stm32f429.dtsi +++ b/arch/arm/boot/dts/stm32f429.dtsi @@ -56,6 +56,18 @@ 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 { @@ -189,6 +201,11 @@ interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>; }; + pwrcfg: power-config@40007000 { + compatible = "syscon"; + reg = <0x40007000 0x400>; + }; + pin-controller { #address-cells = <1>; #size-cells = <1>; @@ -346,6 +363,7 @@ compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; reg = <0x40023800 0x400>; clocks = <&clk_hse>; + st,syscfg = <&pwrcfg>; }; dma1: dma-controller@40026000 { -- 2.11.0