[PATCH] powerpc: i2c-mpc: make speed registers configurable via FDT
Jochen Friedrich
jochen at scram.de
Fri Jul 25 18:51:56 EST 2008
Hi Wolfgang,
> The I2C driver for the MPC currently uses a fixed speed hard-coded into
> the driver. This patch adds the FDT properties "fdr" and "dfsrr" for the
> corresponding I2C registers to make the speed configurable via FDT,
> e.g.:
>
> i2c at 3100 {
> compatible = "fsl-i2c";
> reg = <0x3100 0x100>;
> interrupts = <43 2>;
> interrupt-parent = <&mpic>;
> dfsrr = <0x20>;
> fdr = <0x03>;
> };
Would it be possible to use the standard property "clock-frequency" for this
and calculate the register settings in the driver?
Thanks,
Jochen
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