1*b113a7f1SAmireddy Mallikarjuna reddy# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*b113a7f1SAmireddy Mallikarjuna reddy%YAML 1.2 3*b113a7f1SAmireddy Mallikarjuna reddy--- 4*b113a7f1SAmireddy Mallikarjuna reddy$id: http://devicetree.org/schemas/leds/leds-lgm.yaml# 5*b113a7f1SAmireddy Mallikarjuna reddy$schema: http://devicetree.org/meta-schemas/core.yaml# 6*b113a7f1SAmireddy Mallikarjuna reddy 7*b113a7f1SAmireddy Mallikarjuna reddytitle: Intel Lightning Mountain (LGM) SoC LED Serial Shift Output (SSO) Controller driver 8*b113a7f1SAmireddy Mallikarjuna reddy 9*b113a7f1SAmireddy Mallikarjuna reddymaintainers: 10*b113a7f1SAmireddy Mallikarjuna reddy - Zhu, Yi Xin <Yixin.zhu@intel.com> 11*b113a7f1SAmireddy Mallikarjuna reddy - Amireddy Mallikarjuna reddy <mallikarjunax.reddy@intel.com> 12*b113a7f1SAmireddy Mallikarjuna reddy 13*b113a7f1SAmireddy Mallikarjuna reddyproperties: 14*b113a7f1SAmireddy Mallikarjuna reddy compatible: 15*b113a7f1SAmireddy Mallikarjuna reddy const: intel,lgm-ssoled 16*b113a7f1SAmireddy Mallikarjuna reddy 17*b113a7f1SAmireddy Mallikarjuna reddy gpio-controller: true 18*b113a7f1SAmireddy Mallikarjuna reddy 19*b113a7f1SAmireddy Mallikarjuna reddy '#gpio-cells': 20*b113a7f1SAmireddy Mallikarjuna reddy const: 2 21*b113a7f1SAmireddy Mallikarjuna reddy 22*b113a7f1SAmireddy Mallikarjuna reddy ngpios: 23*b113a7f1SAmireddy Mallikarjuna reddy minimum: 0 24*b113a7f1SAmireddy Mallikarjuna reddy maximum: 32 25*b113a7f1SAmireddy Mallikarjuna reddy description: 26*b113a7f1SAmireddy Mallikarjuna reddy Number of GPIOs this controller provides. 27*b113a7f1SAmireddy Mallikarjuna reddy 28*b113a7f1SAmireddy Mallikarjuna reddy intel,sso-update-rate-hz: 29*b113a7f1SAmireddy Mallikarjuna reddy description: 30*b113a7f1SAmireddy Mallikarjuna reddy Blink frequency for SOUTs in Hz. 31*b113a7f1SAmireddy Mallikarjuna reddy 32*b113a7f1SAmireddy Mallikarjuna reddy led-controller: 33*b113a7f1SAmireddy Mallikarjuna reddy type: object 34*b113a7f1SAmireddy Mallikarjuna reddy description: 35*b113a7f1SAmireddy Mallikarjuna reddy This sub-node must contain a sub-node for each leds. 36*b113a7f1SAmireddy Mallikarjuna reddy 37*b113a7f1SAmireddy Mallikarjuna reddy additionalProperties: false 38*b113a7f1SAmireddy Mallikarjuna reddy 39*b113a7f1SAmireddy Mallikarjuna reddy patternProperties: 40*b113a7f1SAmireddy Mallikarjuna reddy "^led@[0-23]$": 41*b113a7f1SAmireddy Mallikarjuna reddy type: object 42*b113a7f1SAmireddy Mallikarjuna reddy 43*b113a7f1SAmireddy Mallikarjuna reddy properties: 44*b113a7f1SAmireddy Mallikarjuna reddy reg: 45*b113a7f1SAmireddy Mallikarjuna reddy description: Index of the LED. 46*b113a7f1SAmireddy Mallikarjuna reddy minimum: 0 47*b113a7f1SAmireddy Mallikarjuna reddy maximum: 2 48*b113a7f1SAmireddy Mallikarjuna reddy 49*b113a7f1SAmireddy Mallikarjuna reddy intel,sso-hw-trigger: 50*b113a7f1SAmireddy Mallikarjuna reddy type: boolean 51*b113a7f1SAmireddy Mallikarjuna reddy description: This property indicates Hardware driven/control LED. 52*b113a7f1SAmireddy Mallikarjuna reddy 53*b113a7f1SAmireddy Mallikarjuna reddy intel,sso-hw-blink: 54*b113a7f1SAmireddy Mallikarjuna reddy type: boolean 55*b113a7f1SAmireddy Mallikarjuna reddy description: This property indicates Enable LED blink by Hardware. 56*b113a7f1SAmireddy Mallikarjuna reddy 57*b113a7f1SAmireddy Mallikarjuna reddy intel,sso-blink-rate-hz: 58*b113a7f1SAmireddy Mallikarjuna reddy description: LED HW blink frequency. 59*b113a7f1SAmireddy Mallikarjuna reddy 60*b113a7f1SAmireddy Mallikarjuna reddy retain-state-suspended: 61*b113a7f1SAmireddy Mallikarjuna reddy type: boolean 62*b113a7f1SAmireddy Mallikarjuna reddy description: The suspend state of LED can be retained. 63*b113a7f1SAmireddy Mallikarjuna reddy 64*b113a7f1SAmireddy Mallikarjuna reddy retain-state-shutdown: 65*b113a7f1SAmireddy Mallikarjuna reddy type: boolean 66*b113a7f1SAmireddy Mallikarjuna reddy description: Retain the state of the LED on shutdown. 67*b113a7f1SAmireddy Mallikarjuna reddy 68*b113a7f1SAmireddy Mallikarjuna reddyrequired: 69*b113a7f1SAmireddy Mallikarjuna reddy - compatible 70*b113a7f1SAmireddy Mallikarjuna reddy - reg 71*b113a7f1SAmireddy Mallikarjuna reddy - clocks 72*b113a7f1SAmireddy Mallikarjuna reddy - clock-names 73*b113a7f1SAmireddy Mallikarjuna reddy - "#gpio-cells" 74*b113a7f1SAmireddy Mallikarjuna reddy - gpio-controller 75*b113a7f1SAmireddy Mallikarjuna reddy 76*b113a7f1SAmireddy Mallikarjuna reddyadditionalProperties: false 77*b113a7f1SAmireddy Mallikarjuna reddy 78*b113a7f1SAmireddy Mallikarjuna reddyexamples: 79*b113a7f1SAmireddy Mallikarjuna reddy - | 80*b113a7f1SAmireddy Mallikarjuna reddy #include <dt-bindings/clock/intel,lgm-clk.h> 81*b113a7f1SAmireddy Mallikarjuna reddy #include <dt-bindings/leds/common.h> 82*b113a7f1SAmireddy Mallikarjuna reddy 83*b113a7f1SAmireddy Mallikarjuna reddy ssogpio: ssogpio@e0d40000 { 84*b113a7f1SAmireddy Mallikarjuna reddy compatible = "intel,sso-led"; 85*b113a7f1SAmireddy Mallikarjuna reddy reg = <0xE0D40000 0x2E4>; 86*b113a7f1SAmireddy Mallikarjuna reddy gpio-controller; 87*b113a7f1SAmireddy Mallikarjuna reddy #gpio-cells = <2>; 88*b113a7f1SAmireddy Mallikarjuna reddy ngpios = <32>; 89*b113a7f1SAmireddy Mallikarjuna reddy pinctrl-names = "default"; 90*b113a7f1SAmireddy Mallikarjuna reddy pinctrl-0 = <&pinctrl_ledc>; 91*b113a7f1SAmireddy Mallikarjuna reddy clocks = <&cgu0 LGM_GCLK_LEDC0>, <&afeclk>; 92*b113a7f1SAmireddy Mallikarjuna reddy clock-names = "sso", "fpid"; 93*b113a7f1SAmireddy Mallikarjuna reddy intel,sso-update-rate-hz = <250000>; 94*b113a7f1SAmireddy Mallikarjuna reddy 95*b113a7f1SAmireddy Mallikarjuna reddy led-controller { 96*b113a7f1SAmireddy Mallikarjuna reddy #address-cells = <1>; 97*b113a7f1SAmireddy Mallikarjuna reddy #size-cells = <0>; 98*b113a7f1SAmireddy Mallikarjuna reddy 99*b113a7f1SAmireddy Mallikarjuna reddy led@0 { 100*b113a7f1SAmireddy Mallikarjuna reddy reg = <0>; 101*b113a7f1SAmireddy Mallikarjuna reddy function = "gphy"; 102*b113a7f1SAmireddy Mallikarjuna reddy color = <LED_COLOR_ID_GREEN>; 103*b113a7f1SAmireddy Mallikarjuna reddy led-gpio = <&ssogpio 0 0>; 104*b113a7f1SAmireddy Mallikarjuna reddy }; 105*b113a7f1SAmireddy Mallikarjuna reddy 106*b113a7f1SAmireddy Mallikarjuna reddy led@23 { 107*b113a7f1SAmireddy Mallikarjuna reddy reg = <23>; 108*b113a7f1SAmireddy Mallikarjuna reddy function = LED_FUNCTION_POWER; 109*b113a7f1SAmireddy Mallikarjuna reddy color = <LED_COLOR_ID_GREEN>; 110*b113a7f1SAmireddy Mallikarjuna reddy led-gpio = <&ssogpio 23 0>; 111*b113a7f1SAmireddy Mallikarjuna reddy }; 112*b113a7f1SAmireddy Mallikarjuna reddy }; 113*b113a7f1SAmireddy Mallikarjuna reddy }; 114