linux-kernel - [PATCH 1/2] dt-bindings: pwm: Add bindings for AXI PWM generator

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Message-ID: <20240115201222.1423626-2-tgamblin@baylibre.com>
Date: Mon, 15 Jan 2024 15:12:20 -0500
From: Trevor Gamblin <tgamblin@...libre.com>
To: linux-pwm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	u.kleine-koenig@...gutronix.de,
	michael.hennerich@...log.com,
	nuno.sa@...log.com,
	devicetree@...r.kernel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org
Subject: [PATCH 1/2] dt-bindings: pwm: Add bindings for AXI PWM generator

From: Drew Fustini <dfustini@...libre.com>

Add bindings for Analog Devices AXI PWM generator.

Link: https://wiki.analog.com/resources/fpga/docs/axi_pwm_gen
Signed-off-by: Drew Fustini <dfustini@...libre.com>
Co-developed-by: Trevor Gamblin <tgamblin@...libre.com>
Signed-off-by: Trevor Gamblin <tgamblin@...libre.com>
---
 .../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..8f16b2e14154
--- /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@...log.com>
+  - Nuno Sá <nuno.sa@...log.com>
+
+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-1.00.a
+
+  reg:
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 2
+
+  clocks:
+    maxItems: 1
+
+unevaluatedProperties: false
+
+required:
+  - reg
+  - clocks
+
+examples:
+  - |
+    pwm@...00000 {
+       compatible = "adi,axi-pwmgen-1.00.a";
+       reg = <0x44b00000 0x1000>;
+       clocks = <&spi_clk>;
+       #pwm-cells = <2>;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index c6c7b50e6ef6..7b0f3aec5381 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3415,6 +3415,14 @@ W:	https://ez.analog.com/linux-software-drivers
 F:	Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml
 F:	drivers/hwmon/axi-fan-control.c
 
+AXI PWM GENERATOR
+M:	Michael Hennerich <michael.hennerich@...log.com>
+M:	Nuno Sá <nuno.sa@...log.com>
+L:	linux-pwm@...r.kernel.org
+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@...ia.com>
 L:	linux-i2c@...r.kernel.org
-- 
2.43.0