redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
hifive-unleashed-5.1
Ludovic Barre 2018-02-26 16:49:18 +01:00 committed by Alexandre Torgue
parent 8471a20253
commit bcc4f4e118
4 changed files with 70 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/boot/dts/Makefile
View File

@ -863,7 +863,7 @@ dtb-$(CONFIG_ARCH_STI) += \
stih410-b2120.dtb \
stih410-b2260.dtb \
stih418-b2199.dtb
dtb-$(CONFIG_ARCH_STM32)+= \
dtb-$(CONFIG_ARCH_STM32) += \
stm32f429-disco.dtb \
stm32f469-disco.dtb \
stm32f746-disco.dtb \
@ -871,7 +871,9 @@ dtb-$(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 \

13
arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
View File

@ -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 {

32
arch/arm/boot/dts/stm32mp157c-ed1.dts 100644
View File

@ -0,0 +1,32 @@
// 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";
};

21
arch/arm/boot/dts/stm32mp157c-ev1.dts 100644
View File

@ -0,0 +1,21 @@
// 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;
};
};