[PATCH] ARM: dts: at91: ma5d4: properly define crystals frequencies

From	Alexandre Belloni <alexandre.belloni@free-electrons.com>
Newsgroups	linux.kernel
Subject	[PATCH] ARM: dts: at91: ma5d4: properly define crystals frequencies
Date	2016-06-08 01:40 +0200
Message-ID	<rHyLf-GT-9@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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The Denx MA5D4 dts doesn't properly define the slow_xtal and main_xtal
frequencies, the PMC then has to fallback to using the RC oscillators whose
precision is not really good.

As both crystals are populated, define their frequencies, see p17 of
http://www.denx-cs.de/sites/all/files/MA5D4.HWM_.002.pdf

Also, remove the obsolete main_clock definition.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi b/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi
index e7b2109fc85a..99d57131782f 100644
--- a/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d4_ma5d4.dtsi
@@ -20,8 +20,11 @@
 	};
 
 	clocks {
-		main_clock: main_clock {
-			compatible = "atmel,osc", "fixed-clock";
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
 			clock-frequency = <12000000>;
 		};
 
-- 
2.8.1

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[PATCH] ARM: dts: at91: ma5d4: properly define crystals frequencies Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2016-06-08 01:40 +0200
  Re: [PATCH] ARM: dts: at91: ma5d4: properly define crystals frequencies Marek Vasut <marex@denx.de> - 2016-06-08 01:50 +0200
  Re: [PATCH] ARM: dts: at91: ma5d4: properly define crystals  frequencies Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2016-06-10 17:00 +0200

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