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