Commit bcc4f4e1 authored by Ludovic Barre's avatar Ludovic Barre Committed by Alexandre Torgue
Browse files

ARM: dts: stm32: add initial support of stm32mp157c eval board 



Add support of stm32mp157c evaluation board (part number: STM32MP157C-EV1)
split in 2 elements:
-Daughter board (part number: STM32MP157C-ED1)
 which includes CPU, memory and power supply
-Mother board (part number: STM32MP157C-EM1)
 which includes external peripherals (like display, camera,...)
 and extension connectors.

The daughter board can run alone, this is why the device tree files
are split in two layers, for the complete evaluation board (ev1)
and for the daughter board alone (ed1).

Signed-off-by: default avatarLudovic Barre <ludovic.barre@st.com>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@st.com>
parent 8471a202

arch/arm/boot/dts/Makefile

+4 −2
Original line number Diff line number Diff line
@@ -871,7 +871,9 @@ dtb-$(CONFIG_ARCH_STM32)+= \ 
	stm32429i-eval.dtb \

	stm32746g-eval.dtb \

	stm32h743i-eval.dtb \

	stm32h743i-disco.dtb

	stm32h743i-disco.dtb \

	stm32mp157c-ed1.dtb \

	stm32mp157c-ev1.dtb

dtb-$(CONFIG_MACH_SUN4I) += \

	sun4i-a10-a1000.dtb \

	sun4i-a10-ba10-tvbox.dtb \

arch/arm/boot/dts/stm32mp157-pinctrl.dtsi

+13 −0
Original line number Diff line number Diff line
@@ -145,6 +145,19 @@ 
				ngpios = <8>;

				gpio-ranges = <&pinctrl 0 160 8>;

			};



			uart4_pins_a: uart4@0 {

				pins1 {

					pinmux = <STM32_PINMUX('G', 11, AF6)>; /* UART4_TX */

					bias-disable;

					drive-push-pull;

					slew-rate = <0>;

				};

				pins2 {

					pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */

					bias-disable;

				};

			};

		};



		pinctrl_z: pin-controller-z {

arch/arm/boot/dts/stm32mp157c-ed1.dts

0 → 100644
+32 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)

/*

 * Copyright (C) STMicroelectronics 2017 - All Rights Reserved

 * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.

 */

/dts-v1/;



#include "stm32mp157c.dtsi"

#include "stm32mp157-pinctrl.dtsi"



/ {

	model = "STMicroelectronics STM32MP157C eval daughter";

	compatible = "st,stm32mp157c-ed1", "st,stm32mp157";



	chosen {

		stdout-path = "serial0:115200n8";

	};



	memory {

		reg = <0xC0000000 0x40000000>;

	};



	aliases {

		serial0 = &uart4;

	};

};



&uart4 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart4_pins_a>;

	status = "okay";

};

arch/arm/boot/dts/stm32mp157c-ev1.dts

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+21 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)

/*

 * Copyright (C) STMicroelectronics 2017 - All Rights Reserved

 * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.

 */

/dts-v1/;



#include "stm32mp157c-ed1.dts"



/ {

	model = "STMicroelectronics STM32MP157C eval daughter on eval mother";

	compatible = "st,stm32mp157c-ev1", "st,stm32mp157c-ed1", "st,stm32mp157";



	chosen {

		stdout-path = "serial0:115200n8";

	};



	aliases {

		serial0 = &uart4;

	};

};

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