diff mbox series

[1/2,v3] dt-bindings: leds: Add DT binding for Richtek RT8515

Message ID 20201111011417.2275501-1-linus.walleij@linaro.org
State New
Headers show
Series [1/2,v3] dt-bindings: leds: Add DT binding for Richtek RT8515 | expand

Commit Message

Linus Walleij Nov. 11, 2020, 1:14 a.m. UTC 
Add a YAML devicetree binding for the Richtek RT8515
dual channel flash/torch LED driver.

Cc: Sakari Ailus <sakari.ailus@iki.fi>
Cc: newbytee@protonmail.com
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
ChangeLog v2->v3:
- Add Sakari to CC
- Resend
ChangeLog v1->v2:
- Explicitly inherit function, color and flash-max-timeout-us
  from common.yaml
- Add "led" node as required.
---
 .../bindings/leds/richtek,rt8515.yaml         | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/richtek,rt8515.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/leds/richtek,rt8515.yaml b/Documentation/devicetree/bindings/leds/richtek,rt8515.yaml
new file mode 100644
index 000000000000..0d8bb635370c
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/richtek,rt8515.yaml
@@ -0,0 +1,59 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/richtek,rt8515.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Richtek RT8515 1.5A dual channel LED driver
+
+maintainers:
+  - Linus Walleij <linus.walleij@linaro.org>
+
+description: |
+  The Richtek RT8515 is a dual channel (two mode) LED driver that
+  supports driving a white LED in flash or torch mode.
+
+properties:
+  compatible:
+    const: richtek,rt8515
+
+  enf-gpios:
+    maxItems: 1
+    description: A connection to the 'ENF' (enable flash) pin.
+
+  ent-gpios:
+    maxItems: 1
+    description: A connection to the 'ENT' (enable torch) pin.
+
+  led:
+    type: object
+    $ref: common.yaml#
+    properties:
+      function: true
+      color: true
+      flash-max-timeout-us: true
+
+required:
+  - compatible
+  - ent-gpios
+  - enf-gpios
+  - led
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/leds/common.h>
+
+    led-controller {
+        compatible = "richtek,rt8515";
+        enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
+        ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
+
+        led {
+            function = LED_FUNCTION_FLASH;
+            color = <LED_COLOR_ID_WHITE>;
+            flash-max-timeout-us = <250000>;
+        };
+    };