On Tue, Nov 3, 2015 at 1:26 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote:
> Hi Andy,
>
> Enabling vf610-adc in a imx6sx dts file causes the following error:
Ok, passing fsl,adck-max-frequency in the dtsi avoids the issue:
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -1152,6 +1152,8 @@
interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6SX_CLK_IPG>;
clock-names = "adc";
+ fsl,adck-max-frequency = <30000000>, <40000000>,
+ <20000000>;
status = "disabled";
};
@@ -1161,6 +1163,8 @@
interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6SX_CLK_IPG>;
clock-names = "adc";
+ fsl,adck-max-frequency = <30000000>, <40000000>,
+ <20000000>;
status = "disabled";
};
,but we still should better add some default frequencies in case
'adck-max-frequency' property is absent.
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