ARM: dts: sun8i: r40: Add clock accuracy for external oscillators

The R40 datasheet specifies a tolerance range for the external
oscillators used. Add them to the device tree as the clock accuracy.

Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 6f4c9ca..a8917f8 100644 (file)
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -61,6 +61,7 @@
                        #clock-cells = <0>;
                        compatible = "fixed-clock";
                        clock-frequency = <24000000>;
+                       clock-accuracy = <50000>;
                        clock-output-names = "osc24M";
                };
 
@@ -68,6 +69,7 @@
                        #clock-cells = <0>;
                        compatible = "fixed-clock";
                        clock-frequency = <32768>;
+                       clock-accuracy = <20000>;
                        clock-output-names = "osc32k";
                };
        };