From: Drew Fustini <dfustini@xxxxxxxxxxxx> Add Analog Devices AXI PWM generator. Link: https://wiki.analog.com/resources/fpga/docs/axi_pwm_gen Signed-off-by: Drew Fustini <dfustini@xxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Co-developed-by: Trevor Gamblin <tgamblin@xxxxxxxxxxxx> Signed-off-by: Trevor Gamblin <tgamblin@xxxxxxxxxxxx> --- v5 changes: * Modify to list only the supported axi-pwmgen-2.00.a version v4 changes: None (rebased, added maintainer's previous Reviewed-by) v3 changes: None (rebased, added maintainer's previous Reviewed-by) v2 changes: * Address feedback for driver and device tree in v1: * Relocate "unevaluatedProperties" in device tree binding * Remove redundant "bindings for" in description --- .../bindings/pwm/adi,axi-pwmgen.yaml | 48 +++++++++++++++++++ MAINTAINERS | 8 ++++ 2 files changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml diff --git a/Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml b/Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml new file mode 100644 index 000000000000..ec6115d3796b --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/adi,axi-pwmgen.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AXI PWM generator + +maintainers: + - Michael Hennerich <Michael.Hennerich@xxxxxxxxxx> + - Nuno Sá <nuno.sa@xxxxxxxxxx> + +description: + The Analog Devices AXI PWM generator can generate PWM signals + with variable pulse width and period. + + https://wiki.analog.com/resources/fpga/docs/axi_pwm_gen + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + const: adi,axi-pwmgen-2.00.a + + reg: + maxItems: 1 + + "#pwm-cells": + const: 2 + + clocks: + maxItems: 1 + +required: + - reg + - clocks + +unevaluatedProperties: false + +examples: + - | + pwm@44b00000 { + compatible = "adi,axi-pwmgen-2.00.a"; + reg = <0x44b00000 0x1000>; + clocks = <&spi_clk>; + #pwm-cells = <2>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index ebf03f5f0619..d02ece54ccf6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3465,6 +3465,14 @@ W: https://ez.analog.com/linux-software-drivers F: Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml F: drivers/spi/spi-axi-spi-engine.c +AXI PWM GENERATOR +M: Michael Hennerich <michael.hennerich@xxxxxxxxxx> +M: Nuno Sá <nuno.sa@xxxxxxxxxx> +L: linux-pwm@xxxxxxxxxxxxxxx +S: Supported +W: https://ez.analog.com/linux-software-drivers +F: Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml + AXXIA I2C CONTROLLER M: Krzysztof Adamski <krzysztof.adamski@xxxxxxxxx> L: linux-i2c@xxxxxxxxxxxxxxx -- 2.44.0
