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dts: nrf: PWM device node added to nRF52 devices with yaml binding

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1. PWM device node added with alias to all
   nRF52x DTSI files. 1 instance for
   nRF52810, 3 instances for nRF52832, and
   4 instance for nRF52840.
2. Added yaml binding for Nordic PWM node.

Signed-off-by: Gaute Gamnes <gaute.gamnes@nordicsemi.no>
This commit is contained in:
Gaute Gamnes 2018-12-04 17:32:31 +01:00 • committed by Carles Cufí
commit 7b1ebb2116
4 changed files with 143 additions and 0 deletions
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9
dts/arm/nordic/nrf52810.dtsi
View file

@ -43,6 +43,7 @@
gpio-0 = &gpio0;
gpiote-0 = &gpiote;
wdt-0 = &wdt;
pwm-0 = &pwm0;
qdec-0 = &qdec;
};
@ -92,6 +93,14 @@
label = "I2C_0";
};
pwm0: pwm@4001C000 {
compatible = "nordic,nrf-pwm";
reg = <0x4001C000 0x1000>;
interrupts = <28 1>;
status = "disabled";
label = "PWM_0";
};
qdec: qdec@40012000 {
compatible = "nordic,nrf-qdec";
reg = <0x40012000 0x1000>;

27
dts/arm/nordic/nrf52832.dtsi
View file

@ -47,6 +47,9 @@
gpio-0 = &gpio0;
gpiote-0 = &gpiote;
wdt-0 = &wdt;
pwm-0 = &pwm0;
pwm-1 = &pwm1;
pwm-2 = &pwm2;
qdec-0 = &qdec;
};
@ -108,6 +111,30 @@
label = "I2C_1";
};
pwm0: pwm@4001C000 {
compatible = "nordic,nrf-pwm";
reg = <0x4001C000 0x1000>;
interrupts = <28 1>;
status = "disabled";
label = "PWM_0";
};
pwm1: pwm@40021000 {
compatible = "nordic,nrf-pwm";
reg = <0x40021000 0x1000>;
interrupts = <33 1>;
status = "disabled";
label = "PWM_1";
};
pwm2: pwm@40022000 {
compatible = "nordic,nrf-pwm";
reg = <0x40022000 0x1000>;
interrupts = <34 1>;
status = "disabled";
label = "PWM_2";
};
qdec: qdec@40012000 {
compatible = "nordic,nrf-qdec";
reg = <0x40012000 0x1000>;

36
dts/arm/nordic/nrf52840.dtsi
View file

@ -53,6 +53,10 @@
usbd-0 = &usbd;
cc310 = &cryptocell;
arm-cryptocell-310 = &cryptocell310;
pwm-0 = &pwm0;
pwm-1 = &pwm1;
pwm-2 = &pwm2;
pwm-3 = &pwm3;
qdec-0 = &qdec;
};
@ -132,6 +136,38 @@
label = "I2C_1";
};
pwm0: pwm@4001C000 {
compatible = "nordic,nrf-pwm";
reg = <0x4001C000 0x1000>;
interrupts = <28 1>;
status = "disabled";
label = "PWM_0";
};
pwm1: pwm@40021000 {
compatible = "nordic,nrf-pwm";
reg = <0x40021000 0x1000>;
interrupts = <33 1>;
status = "disabled";
label = "PWM_1";
};
pwm2: pwm@40022000 {
compatible = "nordic,nrf-pwm";
reg = <0x40022000 0x1000>;
interrupts = <34 1>;
status = "disabled";
label = "PWM_2";
};
pwm3: pwm@4002D000 {
compatible = "nordic,nrf-pwm";
reg = <0x4002D000 0x1000>;
interrupts = <45 1>;
status = "disabled";
label = "PWM_3";
};
qdec: qdec@40012000 {
compatible = "nordic,nrf-qdec";
reg = <0x40012000 0x1000>;

71
dts/bindings/pwm/nordic,nrf-pwm.yaml Normal file
View file

@ -0,0 +1,71 @@
---
title: nRF PWM
version: 0.1
description: >
This binding gives a base representation of the nRF PWM
properties:
compatible:
constraint: "nordic,nrf-pwm"
reg:
type: array
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
ch0-pin:
type: int
description: Channel 0 pin
category: optional
generation: define
ch0-inverted:
type: boolean
description: Channel 0 inverted
category: optional
generation: define
ch1-pin:
type: int
description: Channel 1 pin
category: optional
generation: define
ch1-inverted:
type: boolean
description: Channel 1 inverted
category: optional
generation: define
ch2-pin:
type: int
description: Channel 2 pin
category: optional
generation: define
ch2-inverted:
type: boolean
description: Channel 2 inverted
category: optional
generation: define
ch3-pin:
type: int
description: Channel 3 pin
category: optional
generation: define
ch3-inverted:
type: boolean
description: Channel 3 inverted
category: optional
generation: define
...