ARM: dts: stm32: Manage security diversity for STM32M15x SOCs

This commit creates a new file to manage security diversity on STM32MP15x
SOCs. On STM32MP15xY, "Y" gives information:
 -Y = A means no cryp IP and no secure boot.
 -Y = C means cryp IP + secure boot.

Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 9a0b55be134d33980fa12f153575c99beb6bc627..072fc7025987947e027b49e213ca14dfe571455a 100644 (file)
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1255,15 +1255,6 @@ dts: thermal@50028000 {
                        status = "disabled";
                };
 
-               cryp1: cryp@54001000 {
-                       compatible = "st,stm32mp1-cryp";
-                       reg = <0x54001000 0x400>;
-                       interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
-                       clocks = <&rcc CRYP1>;
-                       resets = <&rcc CRYP1_R>;
-                       status = "disabled";
-               };
-
                hash1: hash@54002000 {
                        compatible = "st,stm32f756-hash";
                        reg = <0x54002000 0x400>;

diff --git a/arch/arm/boot/dts/stm32mp15xc.dtsi b/arch/arm/boot/dts/stm32mp15xc.dtsi
new file mode 100644 (file)
index 0000000..b06a55a
--- /dev/null
+++ b/arch/arm/boot/dts/stm32mp15xc.dtsi
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
+ */
+
+/ {
+       soc {
+               cryp1: cryp@54001000 {
+                       compatible = "st,stm32mp1-cryp";
+                       reg = <0x54001000 0x400>;
+                       interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&rcc CRYP1>;
+                       resets = <&rcc CRYP1_R>;
+                       status = "disabled";
+               };
+       };
+};