aboutsummaryrefslogtreecommitdiff
path: root/Bindings/leds
diff options
context:
space:
mode:
Diffstat (limited to 'Bindings/leds')
-rw-r--r--Bindings/leds/allwinner,sun50i-a100-ledc.yaml137
-rw-r--r--Bindings/leds/awinic,aw200xx.yaml95
-rw-r--r--Bindings/leds/backlight/mps,mp3309c.yaml10
-rw-r--r--Bindings/leds/common.yaml2
-rw-r--r--Bindings/leds/qcom,spmi-flash-led.yaml4
5 files changed, 216 insertions, 32 deletions
diff --git a/Bindings/leds/allwinner,sun50i-a100-ledc.yaml b/Bindings/leds/allwinner,sun50i-a100-ledc.yaml
new file mode 100644
index 00000000000..760cb336dcc
--- /dev/null
+++ b/Bindings/leds/allwinner,sun50i-a100-ledc.yaml
@@ -0,0 +1,137 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/allwinner,sun50i-a100-ledc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A100 LED Controller
+
+maintainers:
+ - Samuel Holland <samuel@sholland.org>
+
+description:
+ The LED controller found in Allwinner sunxi SoCs uses a one-wire serial
+ interface to drive up to 1024 RGB LEDs.
+
+properties:
+ compatible:
+ oneOf:
+ - const: allwinner,sun50i-a100-ledc
+ - items:
+ - enum:
+ - allwinner,sun20i-d1-ledc
+ - allwinner,sun50i-r329-ledc
+ - const: allwinner,sun50i-a100-ledc
+
+ reg:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Bus clock
+ - description: Module clock
+
+ clock-names:
+ items:
+ - const: bus
+ - const: mod
+
+ resets:
+ maxItems: 1
+
+ dmas:
+ maxItems: 1
+ description: TX DMA channel
+
+ dma-names:
+ const: tx
+
+ allwinner,pixel-format:
+ description: Pixel format (subpixel transmission order), default is "grb"
+ enum:
+ - bgr
+ - brg
+ - gbr
+ - grb
+ - rbg
+ - rgb
+
+ allwinner,t0h-ns:
+ default: 336
+ description: Length of high pulse when transmitting a "0" bit
+
+ allwinner,t0l-ns:
+ default: 840
+ description: Length of low pulse when transmitting a "0" bit
+
+ allwinner,t1h-ns:
+ default: 882
+ description: Length of high pulse when transmitting a "1" bit
+
+ allwinner,t1l-ns:
+ default: 294
+ description: Length of low pulse when transmitting a "1" bit
+
+ allwinner,treset-ns:
+ default: 300000
+ description: Minimum delay between transmission frames
+
+patternProperties:
+ "^multi-led@[0-9a-f]+$":
+ type: object
+ $ref: leds-class-multicolor.yaml#
+ unevaluatedProperties: false
+ properties:
+ reg:
+ minimum: 0
+ maximum: 1023
+ description: Index of the LED in the series (must be contiguous)
+
+ required:
+ - reg
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/leds/common.h>
+
+ ledc: led-controller@2008000 {
+ compatible = "allwinner,sun20i-d1-ledc",
+ "allwinner,sun50i-a100-ledc";
+ reg = <0x2008000 0x400>;
+ interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu 12>, <&ccu 34>;
+ clock-names = "bus", "mod";
+ resets = <&ccu 12>;
+ dmas = <&dma 42>;
+ dma-names = "tx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi-led@0 {
+ reg = <0x0>;
+ color = <LED_COLOR_ID_RGB>;
+ function = LED_FUNCTION_INDICATOR;
+ };
+ };
+
+...
diff --git a/Bindings/leds/awinic,aw200xx.yaml b/Bindings/leds/awinic,aw200xx.yaml
index feb5febaf36..54d6d1f08e2 100644
--- a/Bindings/leds/awinic,aw200xx.yaml
+++ b/Bindings/leds/awinic,aw200xx.yaml
@@ -10,15 +10,19 @@ maintainers:
- Martin Kurbanov <mmkurbanov@sberdevices.ru>
description: |
- This controller is present on AW20036/AW20054/AW20072.
- It is a 3x12/6x9/6x12 matrix LED programmed via
- an I2C interface, up to 36/54/72 LEDs or 12/18/24 RGBs,
- 3 pattern controllers for auto breathing or group dimming control.
+ It is a matrix LED driver programmed via an I2C interface. Devices have
+ a set of individually controlled leds and support 3 pattern controllers
+ for auto breathing or group dimming control. Supported devices:
+ - AW20036 (3x12) 36 LEDs
+ - AW20054 (6x9) 54 LEDs
+ - AW20072 (6x12) 72 LEDs
+ - AW20108 (9x12) 108 LEDs
For more product information please see the link below:
aw20036 - https://www.awinic.com/en/productDetail/AW20036QNR#tech-docs
aw20054 - https://www.awinic.com/en/productDetail/AW20054QNR#tech-docs
aw20072 - https://www.awinic.com/en/productDetail/AW20072QNR#tech-docs
+ aw20108 - https://www.awinic.com/en/productDetail/AW20108QNR#tech-docs
properties:
compatible:
@@ -26,6 +30,7 @@ properties:
- awinic,aw20036
- awinic,aw20054
- awinic,aw20072
+ - awinic,aw20108
reg:
maxItems: 1
@@ -36,13 +41,11 @@ properties:
"#size-cells":
const: 0
- awinic,display-rows:
- $ref: /schemas/types.yaml#/definitions/uint32
- description:
- Leds matrix size
+ enable-gpios:
+ maxItems: 1
patternProperties:
- "^led@[0-9a-f]$":
+ "^led@[0-9a-f]+$":
type: object
$ref: common.yaml#
unevaluatedProperties: false
@@ -60,16 +63,11 @@ patternProperties:
since the chip has a single global setting.
The maximum output current of each LED is calculated by the
following formula:
- IMAXled = 160000 * (592 / 600.5) * (1 / display-rows)
+ IMAXled = 160000 * (592 / 600.5) * (1 / max-current-switch-number)
And the minimum output current formula:
- IMINled = 3300 * (592 / 600.5) * (1 / display-rows)
-
-required:
- - compatible
- - reg
- - "#address-cells"
- - "#size-cells"
- - awinic,display-rows
+ IMINled = 3300 * (592 / 600.5) * (1 / max-current-switch-number)
+ where max-current-switch-number is determinated by led configuration
+ and depends on how leds are physically connected to the led driver.
allOf:
- if:
@@ -78,18 +76,67 @@ allOf:
contains:
const: awinic,aw20036
then:
+ patternProperties:
+ "^led@[0-9a-f]+$":
+ properties:
+ reg:
+ items:
+ minimum: 0
+ maximum: 36
+
+ - if:
properties:
- awinic,display-rows:
- enum: [1, 2, 3]
- else:
+ compatible:
+ contains:
+ const: awinic,aw20054
+ then:
+ patternProperties:
+ "^led@[0-9a-f]+$":
+ properties:
+ reg:
+ items:
+ minimum: 0
+ maximum: 54
+
+ - if:
properties:
- awinic,display-rows:
- enum: [1, 2, 3, 4, 5, 6, 7]
+ compatible:
+ contains:
+ const: awinic,aw20072
+ then:
+ patternProperties:
+ "^led@[0-9a-f]+$":
+ properties:
+ reg:
+ items:
+ minimum: 0
+ maximum: 72
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: awinic,aw20108
+ then:
+ patternProperties:
+ "^led@[0-9a-f]+$":
+ properties:
+ reg:
+ items:
+ minimum: 0
+ maximum: 108
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
additionalProperties: false
examples:
- |
+ #include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
i2c {
@@ -101,7 +148,7 @@ examples:
reg = <0x3a>;
#address-cells = <1>;
#size-cells = <0>;
- awinic,display-rows = <3>;
+ enable-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
led@0 {
reg = <0x0>;
diff --git a/Bindings/leds/backlight/mps,mp3309c.yaml b/Bindings/leds/backlight/mps,mp3309c.yaml
index 4191e33626f..527a37368ed 100644
--- a/Bindings/leds/backlight/mps,mp3309c.yaml
+++ b/Bindings/leds/backlight/mps,mp3309c.yaml
@@ -14,8 +14,8 @@ description: |
programmable switching frequency to optimize efficiency.
It supports two different dimming modes:
- - analog mode, via I2C commands (default)
- - PWM controlled mode.
+ - analog mode, via I2C commands, as default mode (32 dimming levels)
+ - PWM controlled mode (optional)
The datasheet is available at:
https://www.monolithicpower.com/en/mp3309c.html
@@ -50,8 +50,6 @@ properties:
required:
- compatible
- reg
- - max-brightness
- - default-brightness
unevaluatedProperties: false
@@ -66,8 +64,8 @@ examples:
compatible = "mps,mp3309c";
reg = <0x17>;
pwms = <&pwm1 0 3333333 0>; /* 300 Hz --> (1/f) * 1*10^9 */
- max-brightness = <100>;
- default-brightness = <80>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness = <6>;
mps,overvoltage-protection-microvolt = <24000000>;
};
};
diff --git a/Bindings/leds/common.yaml b/Bindings/leds/common.yaml
index c8d0ba5f232..55a8d1385e2 100644
--- a/Bindings/leds/common.yaml
+++ b/Bindings/leds/common.yaml
@@ -167,7 +167,7 @@ properties:
Note that this flag is mainly used for PWM-LEDs, where it is not possible
to map brightness to current. Drivers for other controllers should use
led-max-microamp.
- $ref: /schemas/types.yaml#definitions/uint32
+ $ref: /schemas/types.yaml#/definitions/uint32
panic-indicator:
description:
diff --git a/Bindings/leds/qcom,spmi-flash-led.yaml b/Bindings/leds/qcom,spmi-flash-led.yaml
index a8736fd5a53..1ba607685f5 100644
--- a/Bindings/leds/qcom,spmi-flash-led.yaml
+++ b/Bindings/leds/qcom,spmi-flash-led.yaml
@@ -89,9 +89,11 @@ additionalProperties: false
examples:
- |
#include <dt-bindings/leds/common.h>
- spmi {
+
+ pmic {
#address-cells = <1>;
#size-cells = <0>;
+
led-controller@ee00 {
compatible = "qcom,pm8350c-flash-led", "qcom,spmi-flash-led";
reg = <0xee00>;