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dts: stm32: Add watchdog nodes to STM32 dtsi files

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Provide watchdog node definition to stm32 dtsi files to enable
watchdog configuration by device tree.
Add matching st,stm32-watchdog binding.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2019-02-01 14:50:46 +01:00 • committed by Anas Nashif
commit 12166b61ee
9 changed files with 85 additions and 0 deletions
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6
dts/arm/st/f0/stm32f0.dtsi
View file

@ -160,6 +160,12 @@
label = "SPI_1";
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
};
timers1: timers@40012c00 {
compatible = "st,stm32-timers";
reg = <0x40012c00 0x400>;

7
dts/arm/st/f1/stm32f1.dtsi
View file

@ -157,6 +157,13 @@
label = "SPI_1";
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
status = "disabled";
};
timers1: timers@40012c00 {
compatible = "st,stm32-timers";
reg = <0x40012c00 0x400>;

7
dts/arm/st/f2/stm32f2.dtsi
View file

@ -140,6 +140,13 @@
};
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
status = "disabled";
};
usart1: serial@40011000 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40011000 0x400>;

7
dts/arm/st/f3/stm32f3.dtsi
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@ -103,6 +103,13 @@
};
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
status = "disabled";
};
usart1: serial@40013800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40013800 0x400>;

6
dts/arm/st/f4/stm32f4.dtsi
View file

@ -114,6 +114,12 @@
};
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
status = "disabled";
};
usart1: serial@40011000 {
compatible = "st,stm32-usart", "st,stm32-uart";

7
dts/arm/st/f7/stm32f7.dtsi
View file

@ -140,6 +140,13 @@
};
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
status = "disabled";
};
usart1: serial@40011000 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40011000 0x400>;

7
dts/arm/st/l0/stm32l0.dtsi
View file

@ -105,6 +105,13 @@
};
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
status = "disabled";
};
usart1: serial@40013800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40013800 0x400>;

7
dts/arm/st/l4/stm32l4.dtsi
View file

@ -98,6 +98,13 @@
};
};
idwg: watchdog@40003000 {
compatible = "st,stm32-watchdog";
reg = <0x40003000 0x400>;
label = "IWDG";
status = "disabled";
};
usart1: serial@40013800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40013800 0x400>;

31
dts/bindings/watchdog/st,stm32-watchdog.yaml Normal file
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@ -0,0 +1,31 @@
#
# Copyright (c) 2019, Linaro Limited
#
# SPDX-License-Identifier: Apache-2.0
#
---
title: STMicroelectronics STM32 watchdog driver
version: 0.1
description: >
This is a representation of the STM32 watchdog
properties:
compatible:
type: string
category: required
description: compatible strings
constraint: "st,stm32-watchdog"
generation: define
reg:
type: int
description: mmio register space
generation: define
category: required
label:
type: string
category: required
description: Human readable string describing the device (used by Zephyr for API name)
generation: define