Question about fixed-clock

Afzal Mohammed afzal.mohd.ma at gmail.com
Mon Feb 18 22:39:31 EST 2013


Hi Daniel,

On Tue, Feb 19, 2013 at 12:55:52AM +0100, Daniel Mack wrote:

> 	ref25: ref25M {
> 		compatible = "fixed-clock";
> 		#clock-cells = <0>;
> 		clock-frequency = <25000000>;
> 	};
> 
> 	clock-generator at 0 {
> 				/* ... */
> 				#clock-cells = <1>;
> 				clocks = <&ref25>;
> 	}
> 
> The device driver for clock-generator uses something like the following
> call to get its clock:
> 
> 	clk = of_clk_get(np, 0);
> 
> but the return value is ERR_PTR(-ENOENT) and I also can't find this
> clock in the clk debugfs tree.

Hope invoking of_clk_init before clock generator driver helps

Regards
Afzal



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