u-boot/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi
Patrick Delaunay 6cccc8d396 ARM: dts: stm32: add SCMI version of STM32 boards (DK1/DK2/ED1/EV1)
Add a "secure" version of STM32 boards based on SCMI when RCC_TZCR.TZEN=1.

Only boards provided by STMicroelectronics are concerned:
-STM32MP157A-DK1
-STM32MP157C-DK2
-STM32MP157C-ED1
-STM32MP157C-EV1

The resources secured by RCC_TZCR.TZEN=1 are managed by OP-TEE
and the associated SCMI services, reset and clock.

These device trees are only supported with stm32mp15_defconfig,
with OP-TEE, SCMI and without SPL support.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
2022-07-12 11:46:32 +02:00

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// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
/*
* Copyright : STMicroelectronics 2022
*/
#include <dt-bindings/clock/stm32mp1-clksrc.h>
#include "stm32mp15-scmi-u-boot.dtsi"
#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi"
/ {
aliases {
i2c3 = &i2c4;
};
config {
u-boot,boot-led = "heartbeat";
u-boot,error-led = "error";
u-boot,mmc-env-partition = "u-boot-env";
st,fastboot-gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
st,stm32prog-gpios = <&gpioa 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
};
led {
red {
label = "error";
gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
default-state = "off";
status = "okay";
};
};
};
&uart4 {
u-boot,dm-pre-reloc;
};
&uart4_pins_a {
u-boot,dm-pre-reloc;
pins1 {
u-boot,dm-pre-reloc;
};
pins2 {
u-boot,dm-pre-reloc;
/* pull-up on rx to avoid floating level */
bias-pull-up;
};
};