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dts: nrf: Expand nRF DTS to support watchdog

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Commit introduces support for watchdog configuration for Nordic
Semiconductor nRF SoCs in device tree.

Signed-off-by: Karol Lasończyk <karol.lasonczyk@nordicsemi.no>
This commit is contained in:
Karol Lasończyk 2018-04-17 15:29:12 +02:00 • committed by Maureen Helm
commit 83e4947cf1
7 changed files with 83 additions and 0 deletions
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4
arch/arm/soc/nordic_nrf/nrf51/dts.fixup
View file

@ -19,4 +19,8 @@
#define CONFIG_I2C_1_IRQ_PRI NORDIC_NRF5_I2C_40004000_IRQ_0_PRIORITY #define CONFIG_I2C_1_IRQ_PRI NORDIC_NRF5_I2C_40004000_IRQ_0_PRIORITY
#define CONFIG_I2C_1_IRQ NORDIC_NRF5_I2C_40004000_IRQ_0 #define CONFIG_I2C_1_IRQ NORDIC_NRF5_I2C_40004000_IRQ_0
#define CONFIG_WDT_0_NAME NORDIC_NRF_WATCHDOG_40010000_LABEL
#define CONFIG_WDT_NRF_IRQ NORDIC_NRF_WATCHDOG_40010000_IRQ_WDT
#define CONFIG_WDT_NRF_IRQ_PRI NORDIC_NRF_WATCHDOG_40010000_IRQ_WDT_PRIORITY
/* End of SoC Level DTS fixup file */ /* End of SoC Level DTS fixup file */

4
arch/arm/soc/nordic_nrf/nrf52/dts.fixup
View file

@ -28,4 +28,8 @@
#define CONFIG_USBD_NRF5_NUM_ISOOUT_EP NORDIC_NRF_USBD_0X40027000_NUM_ISOOUT_ENDPOINTS #define CONFIG_USBD_NRF5_NUM_ISOOUT_EP NORDIC_NRF_USBD_0X40027000_NUM_ISOOUT_ENDPOINTS
#define CONFIG_USBD_NRF5_NAME NORDIC_NRF_USBD_0X40027000_LABEL #define CONFIG_USBD_NRF5_NAME NORDIC_NRF_USBD_0X40027000_LABEL
#define CONFIG_WDT_0_NAME NORDIC_NRF_WATCHDOG_40010000_LABEL
#define CONFIG_WDT_NRF_IRQ NORDIC_NRF_WATCHDOG_40010000_IRQ_WDT
#define CONFIG_WDT_NRF_IRQ_PRI NORDIC_NRF_WATCHDOG_40010000_IRQ_WDT_PRIORITY
/* End of SoC Level DTS fixup file */ /* End of SoC Level DTS fixup file */

8
dts/Kconfig
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@ -74,3 +74,11 @@ config HAS_DTS_USB
help help
This option specifies that the target platform supports device tree This option specifies that the target platform supports device tree
configuration for USB. configuration for USB.
config HAS_DTS_WDT
bool
default n
depends on HAS_DTS
help
This option specifies that the target platform supports device tree
configuration for WDT.

8
dts/arm/nordic/nrf51822.dtsi
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@ -67,6 +67,14 @@
status = "disabled"; status = "disabled";
label = "I2C_1"; label = "I2C_1";
}; };
wdt: watchdog@40010000 {
compatible = "nordic,nrf-watchdog";
reg = <0x40010000 0x1000>;
interrupts = <16 1>;
interrupt-names = "wdt";
label = "WDT";
};
}; };
}; };

8
dts/arm/nordic/nrf52832.dtsi
View file

@ -67,6 +67,14 @@
status = "disabled"; status = "disabled";
label = "I2C_1"; label = "I2C_1";
}; };
wdt: watchdog@40010000 {
compatible = "nordic,nrf-watchdog";
reg = <0x40010000 0x1000>;
interrupts = <16 1>;
interrupt-names = "wdt";
label = "WDT";
};
}; };
}; };

8
dts/arm/nordic/nrf52840.dtsi
View file

@ -89,6 +89,14 @@
status = "disabled"; status = "disabled";
label = "USBD"; label = "USBD";
}; };
wdt: watchdog@40010000 {
compatible = "nordic,nrf-watchdog";
reg = <0x40010000 0x1000>;
interrupts = <16 1>;
interrupt-names = "wdt";
label = "WDT";
};
}; };
}; };

43
dts/bindings/watchdog/nordic,nrf-watchdog.yaml Normal file
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@ -0,0 +1,43 @@
#
# Copyright (c) 2018, Nordic Semiconductor ASA
#
# SPDX-License-Identifier: Apache-2.0
#
---
title: Nordic Semiconductor NRF watchdog driver
id: nordic,nrf-watchdog
version: 0.1
description: >
This is a representation of the NRF watchdog
properties:
compatible:
type: string
category: required
description: compatible strings
constraint: "nordic,nrf-watchdog"
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
interrupts:
type: array
category: required
description: required interrupts
generation: define
interrupt-names:
type: stringlist
category: optional
description: readable string describing the interrupts
generation: define