diff options
| -rw-r--r-- | arch/arm64/boot/dts/Makefile | 1 | ||||
| -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 |
4 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 7b107fa7414b..30dd6347a929 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -27,6 +27,7 @@ subdir-y += renesas subdir-y += rockchip subdir-y += socionext subdir-y += sprd +subdir-y += st subdir-y += synaptics subdir-y += tesla subdir-y += ti 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"; +}; |