[0/9] ram: stm32mp1: fixes

This serie fixes the stm32mp1 ram driver:
- adapt voltage for the LPDDR2 and LPDDR3
- solve tuning and BIST issues
- allow to skip built-in calibration

Most of these patch are available on the latest STM32MP downstrean
U-Boot: https://github.com/STMicroelectronics/u-boot



Patrick Delaunay (9):
  ram: stm32mp1: increase vdd2_ddr: buck2 for 32bits LPDDR
  ram: stm32mp1: display result for software read DQS gating
  ram: stm32mp1: don't display the prompt two times
  ram: stm32mp1: tuning: add timeout for polling BISTGSR.BDDONE
  ram: stm32mp1: tuning: deactivate derating during BIST test
  ram: stm32mp1: update BIST config for tuning
  ram: stm32mp1_ddr: fix self refresh disable during DQS training
  ram: stm32mp1: reduce delay after BIST reset for tuning
  ram: stm32mp1: the property st,phy-cal becomes optional

 arch/arm/dts/stm32mp15-ddr.dtsi               |   3 +
 arch/arm/mach-stm32mp/include/mach/ddr.h      |   6 +-
 board/st/stm32mp1/board.c                     |  23 +-
 .../memory-controllers/st,stm32mp1-ddr.txt    |   2 +
 drivers/ram/stm32mp1/stm32mp1_ddr.c           |  54 ++++-
 drivers/ram/stm32mp1/stm32mp1_ddr.h           |   1 +
 drivers/ram/stm32mp1/stm32mp1_ddr_regs.h      |   1 +
 drivers/ram/stm32mp1/stm32mp1_interactive.c   |  17 +-
 drivers/ram/stm32mp1/stm32mp1_ram.c           |  34 ++-
 drivers/ram/stm32mp1/stm32mp1_tuning.c        | 223 +++++++++++++++---
 include/power/stpmic1.h                       |   1 +
 11 files changed, 300 insertions(+), 65 deletions(-)