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dts: add stm32mp15*-scmi.dts files for when RCC is secure
For legacy reason and compatibility with existing platforms embedding OP-TEE with RCC secure hardening being disabled, introduce -scmi.dts for the 4 ST boards STM32MP15x: DK1, DK2, ED1 and EV1 where we enable RCC security require non-secure world to use SCMI resources. Add platform flavors 157x_XXX_SCMI to ease DTS selection. stm32mp15*-<board>.dts applies an insecure RCC configuration. stm32mp15*-<board>-scmi.dts applies the secure RCC configuration. This better reflects the configurations supported in the Linux kernel and U-Boot source trees. Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) | ||
| /* | ||
| * Copyright (C) STMicroelectronics 2023 - All Rights Reserved | ||
| */ | ||
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| /dts-v1/; | ||
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| #include "stm32mp157a-dk1.dts" | ||
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| / { | ||
| model = "STMicroelectronics STM32MP157A-DK1 SCMI Discovery Board"; | ||
| compatible = "st,stm32mp157a-dk1-scmi", "st,stm32mp157"; | ||
| }; | ||
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| &rcc { | ||
| compatible = "st,stm32mp1-rcc-secure"; | ||
| status = "okay"; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| // 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. | ||
| */ | ||
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| /dts-v1/; | ||
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| #include "stm32mp157c-dk2.dts" | ||
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| / { | ||
| model = "STMicroelectronics STM32MP157C-DK2 SCMI Discovery Board"; | ||
| compatible = "st,stm32mp157c-dk2-scmi", "st,stm32mp157"; | ||
| }; | ||
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| &rcc { | ||
| compatible = "st,stm32mp1-rcc-secure"; | ||
| status = "okay"; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) | ||
| /* | ||
| * Copyright (C) STMicroelectronics 2017 - All Rights Reserved | ||
| * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics. | ||
| */ | ||
| /dts-v1/; | ||
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| #include "stm32mp157c-ed1.dts" | ||
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| / { | ||
| model = "STMicroelectronics STM32MP157C SCMI eval daughter"; | ||
| compatible = "st,stm32mp157c-ed1-scmi", "st,stm32mp157"; | ||
| }; | ||
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| &iwdg1 { | ||
| timeout-sec = <32>; | ||
| }; | ||
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| &iwdg2 { | ||
| timeout-sec = <32>; | ||
| status = "okay"; | ||
| secure-status = "disabled"; | ||
| }; | ||
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| &rcc { | ||
| compatible = "st,stm32mp1-rcc-secure"; | ||
| status = "okay"; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) | ||
| /* | ||
| * Copyright (C) STMicroelectronics 2017 - All Rights Reserved | ||
| * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics. | ||
| */ | ||
| /dts-v1/; | ||
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| #include "stm32mp157c-ev1.dts" | ||
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| / { | ||
| model = "STMicroelectronics STM32MP157C SCMI eval daughter on eval mother"; | ||
| compatible = "st,stm32mp157c-ev1-scmi", "st,stm32mp157c-ed1-scmi", "st,stm32mp157"; | ||
| }; | ||
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| &rcc { | ||
| compatible = "st,stm32mp1-rcc-secure"; | ||
| status = "okay"; | ||
| }; |
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