From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 1/2] ARM: dts: stm32f429: add LSI and LSE clocks Date: Fri, 4 Nov 2016 09:52:56 +0100 Message-ID: <1478249577-25999-2-git-send-email-gabriel.fernandez@st.com> References: <1478249577-25999-1-git-send-email-gabriel.fernandez@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1478249577-25999-1-git-send-email-gabriel.fernandez@st.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Russell King , Maxime Coquelin , Alexandre Torgue Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@stlinux.com, gabriel.fernandez@st.com List-Id: devicetree@vger.kernel.org From: Gabriel Fernandez 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 --- 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 336ee4f..2700449 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 { @@ -185,6 +197,11 @@ 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>; @@ -340,6 +357,7 @@ compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; reg = <0x40023800 0x400>; clocks = <&clk_hse>; + st,syscfg = <&pwrcfg>; }; dma1: dma-controller@40026000 { -- 1.9.1