feat(stm32mp15-fdts): add Avenger96 board with STM32MP157A DHCOR SoM
This should replace the stm32mp157a-avenger96.dts with the new device
tree files split into the STM32MP15 DHCOR SoM definition and the
Avenger96 baseboard like it's done in Linux and U-Boot.
Differences to stm32mp157a-avenger96.dts:
- Enable sdmmc2 for booting from eMMC
- improved clock settings like in U-Boot commit b6055945
"ARM: dts: stm32: Adjust PLL4 settings on AV96 again"
- improved DDR settings for DHSOMs like in U-Boot commit 92ca0f74
"ARM: dts: stm32: Synchronize DDR setttings on DH SoMs"
TF-A with this new dts(i) files on this board was fully tested with
the latest OP-TEE developer setup.
Change-Id: I85ce8eca7747965af3555fc19fd7b192dc3e5740
Signed-off-by: Johann Neuhauser <jneuhauser@dh-electronics.com>
diff --git a/fdts/stm32mp15xx-dhcor-io1v8.dtsi b/fdts/stm32mp15xx-dhcor-io1v8.dtsi
new file mode 100644
index 0000000..9937b28
--- /dev/null
+++ b/fdts/stm32mp15xx-dhcor-io1v8.dtsi
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Copyright (C) Linaro Ltd 2019 - All Rights Reserved
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ * Copyright (C) 2020 Marek Vasut <marex@denx.de>
+ */
+
+/ {
+ /* Enpirion EP3A8LQI U2 on the DHCOR */
+ vdd_io: regulator-buck-io {
+ compatible = "regulator-fixed";
+ regulator-name = "buck-io";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vdd>;
+ };
+};
+
+&vdd {
+ regulator-min-microvolt = <2900000>;
+ regulator-max-microvolt = <2900000>;
+};
+
+&pwr_regulators {
+ vdd-supply = <&vdd_io>;
+};