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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-lgm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Lightning Mountain (LGM) SoC LED Serial Shift Output (SSO) Controller driver
+
+maintainers:
+ - Zhu, Yi Xin <Yixin.zhu@intel.com>
+ - Amireddy Mallikarjuna reddy <mallikarjunax.reddy@intel.com>
+
+properties:
+ compatible:
+ const: intel,lgm-ssoled
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: sso
+ - const: fpid
+
+ gpio-controller: true
+
+ '#gpio-cells':
+ const: 2
+
+ ngpios:
+ minimum: 0
+ maximum: 32
+ description:
+ Number of GPIOs this controller provides.
+
+ intel,sso-update-rate-hz:
+ description:
+ Blink frequency for SOUTs in Hz.
+
+ led-controller:
+ type: object
+ description:
+ This sub-node must contain a sub-node for each leds.
+
+ additionalProperties: false
+
+ properties:
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ patternProperties:
+ "^led@[0-2]$":
+ $ref: common.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ reg:
+ description: Index of the LED.
+ minimum: 0
+ maximum: 2
+
+ led-gpios:
+ maxItems: 1
+
+ intel,sso-hw-trigger:
+ type: boolean
+ description: This property indicates Hardware driven/control LED.
+
+ intel,sso-hw-blink:
+ type: boolean
+ description: This property indicates Enable LED blink by Hardware.
+
+ intel,sso-blink-rate-hz:
+ description: LED HW blink frequency.
+
+ retain-state-suspended:
+ type: boolean
+ description: The suspend state of LED can be retained.
+
+ retain-state-shutdown:
+ type: boolean
+ description: Retain the state of the LED on shutdown.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - "#gpio-cells"
+ - gpio-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/intel,lgm-clk.h>
+ #include <dt-bindings/leds/common.h>
+
+ ssogpio: ssogpio@e0d40000 {
+ compatible = "intel,lgm-ssoled";
+ reg = <0xE0D40000 0x2E4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <32>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ledc>;
+ clocks = <&cgu0 LGM_GCLK_LEDC0>, <&afeclk>;
+ clock-names = "sso", "fpid";
+ intel,sso-update-rate-hz = <250000>;
+
+ led-controller {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ led@0 {
+ reg = <0>;
+ function = "gphy";
+ color = <LED_COLOR_ID_GREEN>;
+ led-gpios = <&ssogpio 0 0>;
+ };
+
+ led@2 {
+ reg = <2>;
+ function = LED_FUNCTION_POWER;
+ color = <LED_COLOR_ID_GREEN>;
+ led-gpios = <&ssogpio 23 0>;
+ };
+ };
+ };