Merge tag 'u-boot-stm32-20220712' of https://source.denx.de/u-boot/custodians/u-boot-stm

- Alignment with Linux kernel device tree v5.19 for stm32mp15 and stm32mp13
- Add OP-TEE nodes for stm32mp13x, alligned with upstreamed OP-TEE
- Introduce of_to_plat ops in stm32_sdmmc2 driver
- Activate more features in stm32mp13 defconfig and support of STM32MP13x Rev.Y
- Drop fastboot and stm32prog trigger gpios on STM32MP15x DHCOM board

1 files changed, 19 insertions, 0 deletions

diff --git a/doc/board/st/stm32mp1.rst b/doc/board/st/stm32mp1.rst
index 00f9b454421..3759df353ee 100644
--- a/doc/board/st/stm32mp1.rst
+++ b/doc/board/st/stm32mp1.rst
@@ -77,6 +77,16 @@ Currently the following boards are supported:
  + stm32mp157c-ev1.dts
  + stm32mp15xx-dhcor-avenger96.dts
 
+The SCMI variant of each board is supported by a specific "scmi" device tree:
+ + stm32mp157a-dk1-scmi.dts
+ + stm32mp157c-dk2-scmi.dts
+ + stm32mp157c-ed1-scmi.dts
+ + stm32mp157c-ev1-scmi.dts
+
+SCMI variant is used only with stm32mp15_defconfig, when the resources are
+secured with RCC_TZCR.TZEN=1 in OP-TEE. The access to these reset and clock
+resources are provided by OP-TEE and the associated SCMI services.
+
 STM32MP13x
 ``````````
 
@@ -136,6 +146,9 @@ TF-A_ (BL2) initialize the DDR and loads the next stage binaries from a FIP file
      the secure monitor to access to secure resources.
    + HW_CONFIG: The hardware configuration file = the U-Boot device tree
 
+The scmi variant of each device tree is only support with OP-TEE as secure
+monitor, with stm32mp15_defconfig.
+
 The **Basic** boot chain with SPL (for STM32MP15x)
 ``````````````````````````````````````````````````
 
@@ -250,6 +263,12 @@ Build Procedure
 
      # export KBUILD_OUTPUT=stm32mp15
      # make stm32mp15_defconfig
+     # make DEVICE_TREE=stm32mp157c-ev1-scmi all
+
+    or without SCMI support
+
+     # export KBUILD_OUTPUT=stm32mp15
+     # make stm32mp15_defconfig
      # make DEVICE_TREE=stm32mp157c-ev1 all
 
   b) trusted boot on STM32MP13x discovery board::