On Wed, Jun 17, 2026 at 11:00:18AM +0300, Svyatoslav Ryhel wrote:

Document the LM3533 - a complete power source for backlight, keypad and
indicator LEDs in smartphone handsets. The high-voltage inductive boost
converter provides the power for two series LED strings display backlight
and keypad functions.

Signed-off-by: Svyatoslav Ryhel <redacted>
Reviewed-by: Jonathan Cameron <jic23@kernel.org> #for light sensor
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org> #for backlight
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>

+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        led-controller@36 {
+            compatible = "ti,lm3533";
+            reg = <0x36>;
+
+            enable-gpios = <&gpio 110 GPIO_ACTIVE_HIGH>;
+            vin-supply = <&vdd_3v3_bat>;
+
+            ti,boost-ovp-microvolt = <24000000>;
+            ti,boost-freq-hz = <500000>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            backlight@0 {
+                compatible = "ti,lm3533-backlight";
+                reg = <0>;
+
+                default-brightness = <113>;
+
+                led-max-microamp = <23400>;
+                led-sources = <0 1>;
+            };
+
+            led@2 {
+                compatible = "ti,lm3533-leds";
+                reg = <2>;
+
+                led-max-microamp = <23400>;
+                led-sources = <0 1>;
+            };
+
+            led@4 {
+                compatible = "ti,lm3533-leds";
+                reg = <4>;
+
+                led-max-microamp = <23400>;
+                led-sources = <2>;
+            };
+
+            led@5 {
+                compatible = "ti,lm3533-leds";
+                reg = <5>;
+
+                led-max-microamp = <23400>;
+                led-sources = <3 4>;
+            };
+
+            light-sensor {

Doesn't the binding (or dts) checker complain about this node not having
an address?

+                compatible = "ti,lm3533-als";
+
+                interrupt-parent = <&gpio>;
+                interrupts = <80 IRQ_TYPE_LEVEL_LOW>;
+
+                ti,pwm-mode;
+            };
+        };
+    };
+...

Johan