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[PATCH v2 7/8] ARM: sun8i: a83t: Set clock accuracy for 24MHz oscillator

From Chen-Yu Tsai <wens@csie.org>
Newsgroups linux.kernel
Subject [PATCH v2 7/8] ARM: sun8i: a83t: Set clock accuracy for 24MHz oscillator
Date 2017-05-03 05:20 +0200
Message-ID <tCSZA-7mp-25@gated-at.bofh.it> (permalink)
References <tCSZz-7mp-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The datasheets for Allwinner SoCs set strict requirements on the
stability of the external crystal oscillators. Add the accuracy
for the main 24MHz oscillator to the device tree.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index c9a5d07b2ada..e12dd7170b8f 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -126,6 +126,7 @@
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <24000000>;
+			clock-accuracy = <50000>;
 			clock-output-names = "osc24M";
 		};
 
-- 
2.11.0

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Thread

[PATCH v2 0/8] clk: sunxi-ng: Add support for A83T CCU Chen-Yu Tsai <wens@csie.org> - 2017-05-03 05:20 +0200
  [PATCH v2 8/8] ARM: sun8i: a83t: Switch to CCU device tree binding macros Chen-Yu Tsai <wens@csie.org> - 2017-05-03 05:20 +0200
  [PATCH v2 4/8] clk: sunxi-ng: Support multiple variable pre-dividers Chen-Yu Tsai <wens@csie.org> - 2017-05-03 05:20 +0200
  [PATCH v2 2/8] clk: Provide option to query hardware for clk phase Chen-Yu Tsai <wens@csie.org> - 2017-05-03 05:20 +0200
  [PATCH v2 6/8] ARM: sun8i: a83t: Add CCU device nodes Chen-Yu Tsai <wens@csie.org> - 2017-05-03 05:20 +0200
  [PATCH v2 1/8] dt-bindings: clock: sunxi-ccu: Add compatible string for A83T CCU Chen-Yu Tsai <wens@csie.org> - 2017-05-03 05:20 +0200
    Re: [PATCH v2 1/8] dt-bindings: clock: sunxi-ccu: Add compatible  string for A83T CCU Rob Herring <robh@kernel.org> - 2017-05-08 18:20 +0200
  [PATCH v2 7/8] ARM: sun8i: a83t: Set clock accuracy for 24MHz oscillator Chen-Yu Tsai <wens@csie.org> - 2017-05-03 05:20 +0200
  Re: [linux-sunxi] [PATCH v2 0/8] clk: sunxi-ng: Add support for A83T  CCU Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-05-05 08:50 +0200

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