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Message-ID: <1478523943-23142-7-git-send-email-gabriel.fernandez@st.com>
Date: Mon, 7 Nov 2016 14:05:43 +0100
From: <gabriel.fernandez@...com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Russell King <linux@...linux.org.uk>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Nicolas Pitre <nico@...aro.org>, Arnd Bergmann <arnd@...db.de>,
<daniel.thompson@...aro.org>, <andrea.merello@...il.com>
CC: <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
<kernel@...inux.com>, <gabriel.fernandez@...com>,
<ludovic.barre@...com>, <olivier.bideau@...com>,
<amelie.delaunay@...com>
Subject: [PATCH 6/6] arm: dts: stm32f4: Add external I2S clock
From: Gabriel Fernandez <gabriel.fernandez@...com>
This patch adds an external I2S clock in the DT.
The I2S clock could be derived from an external I2S clock or by I2S pll.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...com>
---
arch/arm/boot/dts/stm32f429.dtsi | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 2700449..14da6ce 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -68,6 +68,12 @@
compatible = "fixed-clock";
clock-frequency = <32000>;
};
+
+ clk_i2s_ckin: i2s-ckin {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <0>;
+ };
};
soc {
@@ -356,7 +362,7 @@
#clock-cells = <2>;
compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
reg = <0x40023800 0x400>;
- clocks = <&clk_hse>;
+ clocks = <&clk_hse>, <&clk_i2s_ckin>;
st,syscfg = <&pwrcfg>;
};
--
1.9.1
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