Add support to run 800MHz speed grade MP1 at 650MHz

Author: neerajdantu

README.md

@@ -11,4 +11,4 @@ This repository contains the device tree sources for OSD32MP1-RED
 | Kernel Version | v5.10-stm32mp-r0 |
 | Cube Programmer | v2.5 or greater |
 
-Developer Package istallation : https://wiki.st.com/stm32mpu-ecosystem-v1/wiki/STM32MP1_Developer_Package
+Developer Package istallation : https://wiki.st.com/stm32mpu-ecosystem-v3/wiki/STM32MP1_Developer_Package

linux-v5.10-r0/stm32mp15xa.dtsi

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Author: Alexandre Torgue <[email protected]> for STMicroelectronics.
+ */
+
+&cpu0_opp_table {
+		opp-650000000 {
+			opp-hz = /bits/ 64 <650000000>;
+			opp-microvolt = <1200000>;
+			opp-supported-hw = <0x1 0x2>;
+		};
+};

tf-a-v2.4-r0/stm32mp15xa.dtsi

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Author: Alexandre Torgue <[email protected]> for STMicroelectronics.
+ */
+
+&cpu0_opp_table {
+		opp-650000000 {
+			opp-hz = /bits/ 64 <650000000>;
+			opp-microvolt = <1200000>;
+			opp-supported-hw = <0x1 0x2>;
+		};
+};

u-boot-v2020.10-r0/stm32mp15xa.dtsi

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Author: Alexandre Torgue <[email protected]> for STMicroelectronics.
+ */
+
+&cpu0_opp_table {
+		opp-650000000 {
+			opp-hz = /bits/ 64 <650000000>;
+			opp-microvolt = <1200000>;
+			opp-supported-hw = <0x1 0x2>;
+		};
+};