linux-kernel - [PATCH 4.4 034/312] ARM: dts: armadillo800eva Correct extal1 frequency to 24 MHz

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Message-Id: <20200508123126.876628511@linuxfoundation.org>
Date:   Fri,  8 May 2020 14:30:25 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Simon Horman <horms+renesas@...ge.net.au>
Subject: [PATCH 4.4 034/312] ARM: dts: armadillo800eva Correct extal1 frequency to 24 MHz

From: Geert Uytterhoeven <geert+renesas@...der.be>

commit c61f30a255550bbfc6b83c1ca720661489cac4c0 upstream.

On r8a7740/armadillo, actual clock rates are ca. 4% lower than reported
by /sys/kernel/debug/clk/clk_summary. Correct the extal1 frequency from
25 MHz to 24 MHz to fix this.

This matches the Armadillo-800 EVA Product Manual, which claims the main
crystal runs at 24 MHz, and the old legacy/reference board code.

Fixes: 25aa7ba3fdfb ("ARM: shmobile: armadillo800eva: Sync DTS")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Simon Horman <horms+renesas@...ge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/r8a7740-armadillo800eva.dts |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm/boot/dts/r8a7740-armadillo800eva.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva.dts
@@ -180,7 +180,7 @@
 };
 
 &extal1_clk {
-	clock-frequency = <25000000>;
+	clock-frequency = <24000000>;
 };
 &extal2_clk {
 	clock-frequency = <48000000>;