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author | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2021-11-18 14:26:49 +0300 |
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committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2023-06-08 17:01:45 +0300 |
commit | 1c89075497bb6347fcda99442f3505043b4d2fdf (patch) | |
tree | 033e365128cd8ee796057618f9a52876ba539e5c /arch/arm64/boot/dts/st | |
parent | 6defdc268916a6f92a24d3495b22cd9c573e4357 (diff) | |
download | linux-1c89075497bb6347fcda99442f3505043b4d2fdf.tar.xz |
arm64: dts: st: add stm32mp257f-ev1 board support
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>
Diffstat (limited to 'arch/arm64/boot/dts/st')
-rw-r--r-- | arch/arm64/boot/dts/st/Makefile | 2 | ||||
-rw-r--r-- | arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 31 | ||||
-rw-r--r-- | arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 50 |
3 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/st/Makefile b/arch/arm64/boot/dts/st/Makefile new file mode 100644 index 000000000000..881fe1296c58 --- /dev/null +++ b/arch/arm64/boot/dts/st/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +dtb-$(CONFIG_ARCH_STM32) += stm32mp257f-ev1.dtb diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi index 5bd27767fbf5..d34a1d5e79c0 100644 --- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi @@ -5,3 +5,34 @@ */ #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; + }; + }; + + usart2_idle_pins_a: usart2-idle-0 { + pins1 { + pinmux = <STM32_PINMUX('A', 4, ANALOG)>; /* USART2_TX */ + }; + pins2 { + pinmux = <STM32_PINMUX('A', 8, AF8)>; /* USART2_RX */ + bias-disable; + }; + }; + + usart2_sleep_pins_a: usart2-sleep-0 { + pins { + pinmux = <STM32_PINMUX('A', 4, ANALOG)>, /* USART2_TX */ + <STM32_PINMUX('A', 8, ANALOG)>; /* USART2_RX */ + }; + }; +}; diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts new file mode 100644 index 000000000000..39b4726cc098 --- /dev/null +++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) +/* + * Copyright (C) STMicroelectronics 2023 - 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 0x0>; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + fw@80000000 { + compatible = "shared-dma-pool"; + reg = <0x0 0x80000000 0x0 0x4000000>; + no-map; + }; + }; +}; + +&usart2 { + pinctrl-names = "default", "idle", "sleep"; + pinctrl-0 = <&usart2_pins_a>; + pinctrl-1 = <&usart2_idle_pins_a>; + pinctrl-2 = <&usart2_sleep_pins_a>; + status = "okay"; +}; |