On 04.01.23 07:04, Ahmad Fatoum wrote: > Hi, > > On 04.01.23 06:23, Johannes Schneider wrote: >> current(?) imx8mm EVKs come with a different PMIC: used to be "rohm,bd71847", which is now replaced by "nxp,pca9450a" on the LPDDR4 variant at least > > So you have a LPDDR4 EVK. > >> the register settings etc where "backported" from current u-boot sources for the EVK >> >> Note: not sure if the changes should go in the ddr4-evk.dts or elsewhere; > > Why change the DDR4 EVK's device tree? > >> what about backwards compatibility? = users/holders of the EVKs with the bd71847 IC? > > It's a new device, so give it a new device tree and a new DT compatible. Also, you didn't include the maintainers in the recipient list. > > Thanks, > Ahmad > >> >> >> Johannes Schneider (1): >> arm64: dts: imx8mm: set PCA9450a as PMIC >> >> .../boot/dts/freescale/imx8mm-ddr4-evk.dts | 124 ++++++++++++++++++ >> 1 file changed, 124 insertions(+) >> > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
