diff options
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32mp13-pinctrl.dtsi | 64 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32mp135f-dk.dts | 56 |
3 files changed, 121 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7e0934180724..f5b21007d0df 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1113,6 +1113,7 @@ dtb-$(CONFIG_ARCH_STM32) += \ stm32h743i-eval.dtb \ stm32h743i-disco.dtb \ stm32h750i-art-pi.dtb \ + stm32mp135f-dk.dtb \ stm32mp153c-dhcom-drc02.dtb \ stm32mp157a-avenger96.dtb \ stm32mp157a-dhcor-avenger96.dtb \ diff --git a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi new file mode 100644 index 000000000000..069f95f2b628 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (C) STMicroelectronics 2021 - All Rights Reserved + * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> + */ +#include <dt-bindings/pinctrl/stm32-pinfunc.h> + +&pinctrl { + sdmmc1_b4_pins_a: sdmmc1-b4-0 { + pins1 { + pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */ + <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */ + <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */ + <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */ + <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */ + slew-rate = <1>; + drive-push-pull; + bias-disable; + }; + pins2 { + pinmux = <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + }; + + sdmmc1_b4_od_pins_a: sdmmc1-b4-od-0 { + pins1 { + pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */ + <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */ + <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */ + <STM32_PINMUX('C', 11, AF12)>; /* SDMMC1_D3 */ + slew-rate = <1>; + drive-push-pull; + bias-disable; + }; + pins2 { + pinmux = <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + pins3 { + pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */ + slew-rate = <1>; + drive-open-drain; + bias-disable; + }; + }; + + uart4_pins_a: uart4-0 { + pins1 { + pinmux = <STM32_PINMUX('D', 6, AF8)>; /* UART4_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('D', 8, AF8)>; /* UART4_RX */ + bias-disable; + }; + }; +}; diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts new file mode 100644 index 000000000000..7e96d9e36217 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (C) STMicroelectronics 2021 - All Rights Reserved + * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics. + */ + +/dts-v1/; + +#include "stm32mp135.dtsi" +#include "stm32mp13xf.dtsi" +#include "stm32mp13-pinctrl.dtsi" + +/ { + model = "STMicroelectronics STM32MP135F-DK Discovery Board"; + compatible = "st,stm32mp135f-dk", "st,stm32mp135"; + + aliases { + serial0 = &uart4; + }; + + memory@c0000000 { + device_type = "memory"; + reg = <0xc0000000 0x20000000>; + }; + + vdd_sd: vdd-sd { + compatible = "regulator-fixed"; + regulator-name = "vdd_sd"; + regulator-min-microvolt = <2900000>; + regulator-max-microvolt = <2900000>; + regulator-always-on; + }; +}; + +&iwdg2 { + timeout-sec = <32>; + status = "okay"; +}; + +&sdmmc1 { + pinctrl-names = "default", "opendrain"; + pinctrl-0 = <&sdmmc1_b4_pins_a>; + pinctrl-1 = <&sdmmc1_b4_od_pins_a>; + broken-cd; + disable-wp; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <&vdd_sd>; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins_a>; + status = "okay"; +}; |