On Sun, Jan 17, 2021 at 01:34:40PM +0100, Uwe Kleine-König wrote:
Hello,
On Fri, Dec 11, 2020 at 06:04:32PM +0100, Nicola Di Lieto wrote:
Added Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
this looks fine to me, but this patch should be sent to the dt mailing
list (devicetree@xxxxxxxxxxxxxxx) to catch the attention of the people
who have to Ack it.
Best regards
Uwe
As suggested by Uwe, I am copying the patch here. The original post is
at https://lore.kernel.org/linux-pwm/20201211170432.6113-3-nicola.dilieto@xxxxxxxxx/
--
Added Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
Signed-off-by: Nicola Di Lieto <nicola.dilieto@xxxxxxxxx>
---
.../devicetree/bindings/pwm/pwm-gpio.yaml | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
diff --git a/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml b/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
new file mode 100644
index 000000000000..e681b2b1c229
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/pwm-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic software PWM for modulating GPIOs
+
+maintainers:
+ - Nicola Di Lieto <nicola.dilieto@xxxxxxxxx>
+
+properties:
+ "#pwm-cells":
+ description: |
+ It should be 3. See pwm.yaml in this directory for a
+ description of the cells format.
+ const: 3
+
+ compatible:
+ const: pwm-gpio
+
+ gpios:
+ description:
+ GPIO to be modulated
+ maxItems: 1
+
+required:
+ - "#pwm-cells"
+ - compatible
+ - gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ pwm0 {
+ #pwm-cells = <3>;
+ compatible = "pwm-gpio";
+ gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+ };
--
2.11.0
