From: <gabriel.fernandez@st.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Russell King <linux@armlinux.org.uk>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>
Cc: <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-clk@vger.kernel.org>,
<gabriel.fernandez@st.com>, <ludovic.barre@st.com>,
<olivier.bideau@st.com>, <amelie.delaunay@st.com>
Subject: [PATCH 2/6] ARM: dts: stm32f429: add LSI and LSE clocks
Date: Fri, 30 Sep 2016 16:25:05 +0200 [thread overview]
Message-ID: <1475245509-6487-3-git-send-email-gabriel.fernandez@st.com> (raw)
In-Reply-To: <1475245509-6487-1-git-send-email-gabriel.fernandez@st.com>
From: Gabriel Fernandez <gabriel.fernandez@st.com>
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@st.com>
---
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
next prev parent reply other threads:[~2016-09-30 14:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-30 14:25 [PATCH 0/6] STM32F4 Add RTC & QSPI clocks gabriel.fernandez
2016-09-30 14:25 ` [PATCH 1/6] clk: stm32f4: Add LSI & LSE clocks gabriel.fernandez
2016-09-30 14:25 ` gabriel.fernandez [this message]
2016-09-30 14:25 ` [PATCH 3/6] arm: stmf32: Enable SYSCON gabriel.fernandez
2016-09-30 14:25 ` [PATCH 4/6] clk: stm32f4: Add RTC clock gabriel.fernandez
2016-09-30 14:25 ` [PATCH 5/6] clk: stm32f469: Add QSPI clock gabriel.fernandez
2016-10-08 20:50 ` Rob Herring
2016-10-11 9:17 ` Gabriel Fernandez
2016-09-30 14:25 ` [PATCH 6/6] ARM: dts: stm32f429: " gabriel.fernandez
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