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feat(stm32mp2-fdts): add stm32mp257f-ev1 board

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Add STM32MP257F Evaluation board support. It embeds a STM32MP257FAI
SoC, with 4GB of DDR4, TSN switch (2+1 ports), 2*USB typeA, 1*USB2
typeC, SNOR OctoSPI, mini PCIe, STPMIC2 for power distribution ...

Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I92da3a7085a4d2f2d606777c4215aed55f77c589
This commit is contained in:
Alexandre Torgue 2021-11-18 12:26:49 +01:00 • committed by Yann Gautier
parent 2c62cc4a87
commit 9aa5371f2f
3 changed files with 57 additions and 0 deletions
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6
fdts/stm32mp25-bl2.dtsi Normal file
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// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
/*
* Copyright (C) 2023, STMicroelectronics - All Rights Reserved
*/
/omit-if-no-ref/ &usart2_pins_a;

15
fdts/stm32mp25-pinctrl.dtsi
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@ -4,3 +4,18 @@
* Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
*/
#include <dt-bindings/pinctrl/stm32-pinfunc.h>
&pinctrl {
usart2_pins_a: usart2-0 {
pins1 {
pinmux = <STM32_PINMUX('A', 4, AF6)>; /* USART2_TX */
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
pinmux = <STM32_PINMUX('A', 8, AF8)>; /* USART2_RX */
bias-disable;
};
};
};

36
fdts/stm32mp257f-ev1.dts Normal file
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// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
/*
* Copyright (C) 2023, STMicroelectronics - All Rights Reserved
* Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
*/
/dts-v1/;
#include "stm32mp257.dtsi"
#include "stm32mp25xf.dtsi"
#include "stm32mp25-pinctrl.dtsi"
#include "stm32mp25xxai-pinctrl.dtsi"
/ {
model = "STMicroelectronics STM32MP257F-EV1 Evaluation Board";
compatible = "st,stm32mp257f-ev1", "st,stm32mp257";
aliases {
serial0 = &usart2;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@80000000 {
device_type = "memory";
reg = <0x0 0x80000000 0x1 0x00000000>;
};
};
&usart2 {
pinctrl-names = "default";
pinctrl-0 = <&usart2_pins_a>;
status = "okay";
};