Please *FORGET* this series of patches. Only the I2C related patches are relevant but I accidentally sent out the complete patch stack :-(. I will resent them in a second.
Sorry for any inconvenience this has caused. Wolfgang. Wolfgang Grandegger wrote: > Following (most of) Grant's suggestions to my RFC: > > http://ozlabs.org/pipermail/linuxppc-dev/2009-March/069820.html > > this new patch series now uses: > > - the I2c node property "fsl,preserve-clocking" to overtake the > clock settings from the boot loader. The first patch provides this > feature and can be applied *without* delay. This rest will take > more time and discussion, I'm afraid :-(. > > - the OF match table to define the I2C clock properties, especially > the source clock pre-scaler: > > static const struct of_device_id mpc_i2c_of_match[] = { > {.compatible = "fsl,mpc5200b-i2c", > .data = (void *)FSL_I2C_DEV_CLOCK_5200, }, > {.compatible = "fsl,mpc5200-i2c", > .data = (void *)FSL_I2C_DEV_CLOCK_5200, }, > {.compatible = "fsl,mpc8313-i2c", > .data = (void *)FSL_I2C_DEV_SEPARATE_DFSRR, }, > {.compatible = "fsl,mpc8543-i2c", > .data = (void *)(FSL_I2C_DEV_SEPARATE_DFSRR | > FSL_I2C_DEV_CLOCK_DIV2), }, > {.compatible = "fsl,mpc8544-i2c", > .data = (void *)(FSL_I2C_DEV_SEPARATE_DFSRR | > FSL_I2C_DEV_CLOCK_DIV23), }, > /* Backward compatibility */ > {.compatible = "fsl-i2c", }, > {}, > }; > > The "data" field defines the relevant I2C flags. > > - arch-specific tables and functions to get the proper Freqency > Divider Register (fdr). I added them to sysdev/fsl_soc.c for > the MPC8xxx and to platforms/52xx/mpc52xx_common.c for the > MPC52xx. This also solves the problem with arch-specific > functions, e.g. for getting the bus frequency. > > - dev_dbg() and dev_info() to profit from a more descriptive output. > > Hope this solution is OK now? > > Thanks, > > Wolfgang. > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev > > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
