Re: [PATCH 03/14] DEVICETREE: Add PIC32 clock binding documentation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Friday 20 November 2015 17:17:15 Joshua Henderson wrote:
> +/* PIC32 specific clks */
> +pic32_clktree {
> +       #address-cells = <1>;
> +       #size-cells = <1>;
> +       reg = <0x1f801200 0x200>;
> +       compatible = "microchip,pic32-clk";
> +       interrupts = <12>;
> +       ranges;
> +
> +       /* secondary oscillator; external input on SOSCI pin */
> +       SOSC:sosc_clk {
> +               #clock-cells = <0>;
> +               compatible = "microchip,pic32-sosc";
> +               clock-frequency = <32768>;
> +               reg = <0x1f801200 0x10   /* enable reg */
> +                       0x1f801390 0x10>; /* status reg */
> +               microchip,bit-mask = <0x02>; /* enable mask */
> +               microchip,status-bit-mask = <0x10>; /* status-mask*/
> +       };
> 

If you want to use the reg property in this way for each cell,
at least use a 'ranges' that only translates the actual registers
like this

	ranges = <0 0x1f801200 0x200>

	sosc_clk {
		...
		reg = <0x000 0x10>, <0x190 0x10>;
		...
	};

	Arnd




[Index of Archives]     [Linux MIPS Home]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Linux]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux