linux-kernel - [PATCH 1/2] dt-bindings: leds: register-bit-led: Add value property

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Date:   Wed,  6 Jul 2022 13:28:27 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Marek Behún <kabel@...nel.org>
Cc:     linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: leds: register-bit-led: Add value property

Allow to define inverted logic (0 - enable LED, 1 - disable LED) via value
property. This property name is already used by other syscon drivers, e.g.
syscon-reboot.

Signed-off-by: Pali Rohár <pali@...nel.org>
---
 .../devicetree/bindings/leds/register-bit-led.yaml    | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/leds/register-bit-led.yaml b/Documentation/devicetree/bindings/leds/register-bit-led.yaml
index 79b8fc0f9d23..d6054a3f9087 100644
--- a/Documentation/devicetree/bindings/leds/register-bit-led.yaml
+++ b/Documentation/devicetree/bindings/leds/register-bit-led.yaml
@@ -43,6 +43,17 @@ properties:
         0x100000, 0x200000, 0x400000, 0x800000, 0x1000000, 0x2000000, 0x4000000,
         0x8000000, 0x10000000, 0x20000000, 0x40000000, 0x80000000 ]
 
+  value:
+    description:
+      bit value of ON state for the bit controlling this LED in the register
+      when not specified it is same as the mask
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum:
+      [ 0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x100, 0x200, 0x400, 0x800,
+        0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000, 0x40000, 0x80000,
+        0x100000, 0x200000, 0x400000, 0x800000, 0x1000000, 0x2000000, 0x4000000,
+        0x8000000, 0x10000000, 0x20000000, 0x40000000, 0x80000000 ]
+
   offset:
     description:
       register offset to the register controlling this LED
-- 
2.20.1