Grant Likely wrote:

static const struct of_device_id mpc_i2c_of_match[] = {
	{.compatible = "fsl,mpc5200b-i2c", .data = fsl_i2c_mpc5200b_set_freq, },
	{.compatible = "fsl,mpc5200-i2c", .data = fsl_i2c_mpc5200_set_freq, },
	{.compatible = "fsl,mpc8260-i2c", .data = fsl_i2c_mpc8xxx_set_freq, },
	{.compatible = "fsl,mpc8349-i2c", .data = fsl_i2c_mpc8xxx_set_freq, },
	{.compatible = "fsl,mpc8540-i2c", .data = fsl_i2c_mpc8xxx_set_freq, },
	{.compatible = "fsl,mpc8543-i2c", .data = fsl_i2c_mpc8xxx_div2_set_freq, },
	{.compatible = "fsl,mpc8544-i2c", .data = fsl_i2c_mpc8xxx_div3_set_freq, },

So we need to update this table every time there's a new SOC?  All 83xx, 85xx,
and 86xx SOCs use the same table.  I'd prefer an implementation that does need a
specific entry for each variant of 8[356]xx.

-- 
Timur Tabi
Linux kernel developer at Freescale