| Message ID | 20201104103938.1286-10-nsaenzjulienne@suse.de |
|---|---|
| State | New |
| Headers | show |
| Series | Raspberry Pi PoE HAT fan support | expand |
On Wed, 04 Nov 2020 11:39:35 +0100, Nicolas Saenz Julienne wrote: > The PWM bus controlling the fan in RPi's official PoE hat can only be > controlled by the board's co-processor. > > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> > Reviewed-by: Rob Herring <robh@kernel.org> > > --- > > Changes since v1: > - Update bindings to use 2 #pwm-cells > > .../arm/bcm/raspberrypi,bcm2835-firmware.yaml | 20 +++++++++++++++++++ > .../pwm/raspberrypi,firmware-pwm.h | 13 ++++++++++++ > 2 files changed, 33 insertions(+) > create mode 100644 include/dt-bindings/pwm/raspberrypi,firmware-pwm.h > My bot found errors running 'make dt_binding_check' on your patch: yamllint warnings/errors: dtschema/dtc warnings/errors: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.example.dt.yaml: firmware: pwm:#pwm-cells:0:0: 2 was expected From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml See https://patchwork.ozlabs.org/patch/1393804 The base for the patch is generally the last rc1. Any dependencies should be noted. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit.
On Wed, 2020-11-04 at 13:06 -0600, Rob Herring wrote: > On Wed, 04 Nov 2020 11:39:35 +0100, Nicolas Saenz Julienne wrote: > > The PWM bus controlling the fan in RPi's official PoE hat can only be > > controlled by the board's co-processor. > > > > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> > > Reviewed-by: Rob Herring <robh@kernel.org> > > > > --- > > > > Changes since v1: > > - Update bindings to use 2 #pwm-cells > > > > .../arm/bcm/raspberrypi,bcm2835-firmware.yaml | 20 +++++++++++++++++++ > > .../pwm/raspberrypi,firmware-pwm.h | 13 ++++++++++++ > > 2 files changed, 33 insertions(+) > > create mode 100644 include/dt-bindings/pwm/raspberrypi,firmware-pwm.h > > > > My bot found errors running 'make dt_binding_check' on your patch: > > yamllint warnings/errors: > > dtschema/dtc warnings/errors: > /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.example.dt.yaml: firmware: pwm:#pwm-cells:0:0: 2 was expected Yes I forgot to update the example... Regards, Nicolas
diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml index a2c63c8b1d10..8029ce958c48 100644 --- a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml +++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml @@ -64,6 +64,21 @@ properties: - compatible - "#reset-cells" + pwm: + type: object + + properties: + compatible: + const: raspberrypi,firmware-pwm + + "#pwm-cells": + # See pwm.yaml in this directory for a description of the cells format. + const: 2 + + required: + - compatible + - "#pwm-cells" + additionalProperties: false required: @@ -87,5 +102,10 @@ examples: compatible = "raspberrypi,firmware-reset"; #reset-cells = <1>; }; + + pwm: pwm { + compatible = "raspberrypi,firmware-pwm"; + #pwm-cells = <1>; + }; }; ... diff --git a/include/dt-bindings/pwm/raspberrypi,firmware-pwm.h b/include/dt-bindings/pwm/raspberrypi,firmware-pwm.h new file mode 100644 index 000000000000..27c5ce68847b --- /dev/null +++ b/include/dt-bindings/pwm/raspberrypi,firmware-pwm.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2020 Nicolas Saenz Julienne + * Author: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> + */ + +#ifndef _DT_BINDINGS_RASPBERRYPI_FIRMWARE_PWM_H +#define _DT_BINDINGS_RASPBERRYPI_FIRMWARE_PWM_H + +#define RASPBERRYPI_FIRMWARE_PWM_POE 0 +#define RASPBERRYPI_FIRMWARE_PWM_NUM 1 + +#endif