The BCT3024 chip is an I2C LED driver with independent 24 output
channels. Each channel supports 256 levels.
Signed-off-by: Matus Gajdos <matuszpd@gmail.com>
---
.../bindings/leds/broadchip,bct3024.yaml | 89 +++++++++++++++++++
1 file changed, 89 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml
diff --git a/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml
new file mode 100644
index 000000000000..0d622894e79c
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/broadchip,bct3024.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadchip BCT3024 LED Driver
+
+maintainers:
+ - Matus Gajdos <matuszpd@gmail.com>
+
+description: |
+ The BCT3024 is an I2C LED driver with independent 24 output channels. Each
+ channel supports 256 levels and its output current can be scaled by a factor
+ of 1, 1/2, 1/3 and 1/4.
+
+properties:
+ compatible:
+ const: broadchip,bct3024
+
+ reg:
+ description: I2C slave address of the driver.
+ maxItems: 1
+
+ vdd-supply:
+ description: Regulator providing power to the VDD pin.
+
+ shutdown-gpios:
+ maxItems: 1
+ description: GPIO attached to the SDB pin.
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^led@[0-9a-f]+$":
+ type: object
+ $ref: common.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ reg:
+ description: Index of the LED channel.
+ minimum: 0
+ maximum: 23
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/leds/common.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ led-controller@3c {
+ compatible = "broadchip,bct3024";
+ reg = <0x3c>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ vdd-supply = <®_3v3d>;
+
+ led@0 {
+ reg = <0x00>;
+ function = LED_FUNCTION_INDICATOR;
+ color = <LED_COLOR_ID_RED>;
+ };
+
+ led@1 {
+ reg = <0x01>;
+ function = LED_FUNCTION_INDICATOR;
+ color = <LED_COLOR_ID_GREEN>;
+ };
+ };
+ };
+
+...
--
2.25.1
On 27/07/2023 18:05, Matus Gajdos wrote: > The BCT3024 chip is an I2C LED driver with independent 24 output > channels. Each channel supports 256 levels. > > Signed-off-by: Matus Gajdos <matuszpd@gmail.com> Thank you for your patch. There is something to discuss/improve. A nit, subject: drop second/last, redundant "binding for". The "dt-bindings" prefix is already stating that these are bindings. > --- > .../bindings/leds/broadchip,bct3024.yaml | 89 +++++++++++++++++++ > 1 file changed, 89 insertions(+) > create mode 100644 Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml > > diff --git a/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml > new file mode 100644 > index 000000000000..0d622894e79c > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml > @@ -0,0 +1,89 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/leds/broadchip,bct3024.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadchip BCT3024 LED Driver > + > +maintainers: > + - Matus Gajdos <matuszpd@gmail.com> > + > +description: | > + The BCT3024 is an I2C LED driver with independent 24 output channels. Each > + channel supports 256 levels and its output current can be scaled by a factor > + of 1, 1/2, 1/3 and 1/4. > + > +properties: > + compatible: > + const: broadchip,bct3024 > + > + reg: > + description: I2C slave address of the driver. Drop description, it is obvious. > + maxItems: 1 > + > + vdd-supply: > + description: Regulator providing power to the VDD pin. > + > + shutdown-gpios: powerdown-gpios instead. See gpio-consumer-common.yaml > + maxItems: 1 And this won't be needed. > + description: GPIO attached to the SDB pin. > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + Best regards, Krzysztof
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