From patchwork Mon Nov 16 11:42:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Reddy, MallikarjunaX" X-Patchwork-Id: 324832 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2D1EC83D4D for ; Mon, 16 Nov 2020 12:38:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7CF3E20855 for ; Mon, 16 Nov 2020 12:38:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728356AbgKPLm7 (ORCPT ); Mon, 16 Nov 2020 06:42:59 -0500 Received: from mga03.intel.com ([134.134.136.65]:49271 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726487AbgKPLm7 (ORCPT ); Mon, 16 Nov 2020 06:42:59 -0500 IronPort-SDR: ClaXI4WNnmdTKwU5AtUVFvzAUJPs6Btt3ajormKV7qICe1xa2EbMJM50aV3mIir7QHmRaRIdrd yFYEFR0M4jrA== X-IronPort-AV: E=McAfee;i="6000,8403,9806"; a="170835769" X-IronPort-AV: E=Sophos;i="5.77,482,1596524400"; d="scan'208";a="170835769" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2020 03:42:58 -0800 IronPort-SDR: Qi1s0Ek/xRNPEsHppnSRiF+tJP9437Rko+uhHEB8Mt9me4JBXN4fv1yzm0tOpKcg2FN7tOIqSf dIljw7Wey9pg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,482,1596524400"; d="scan'208";a="367679963" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by orsmga007.jf.intel.com with ESMTP; 16 Nov 2020 03:42:55 -0800 From: Amireddy Mallikarjuna reddy To: linux-leds@vger.kernel.org, pavel@ucw.cz, dmurphy@ti.com, devicetree@vger.kernel.org, robh+dt@kernel.org Cc: linux-kernel@vger.kernel.org, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, mallikarjunax.reddy@linux.intel.com, malliamireddy009@gmail.com, yixin.zhu@intel.com Subject: [PATCH v2 1/2] dt-bindings: leds: Add bindings for Intel LGM SoC Date: Mon, 16 Nov 2020 19:42:51 +0800 Message-Id: X-Mailer: git-send-email 2.11.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add DT bindings YAML schema for SSO controller driver of Lightning Mountain (LGM) SoC. Signed-off-by: Amireddy Mallikarjuna reddy --- v1: - Initial version v2: - Fix bot errors (wrong indentation). - Spell out LGM and SSO. - Remove vendor specific name for LED properites. - removed deprecating property "label" - Include 'reg', 'function' & 'color' properties. --- .../devicetree/bindings/leds/leds-lgm.yaml | 130 +++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lgm.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-lgm.yaml b/Documentation/devicetree/bindings/leds/leds-lgm.yaml new file mode 100644 index 000000000000..d9c53ec30ad1 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lgm.yaml @@ -0,0 +1,130 @@ +# 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: + - Yixin.zhu@intel.com + - mallikarjunax.reddy@intel.com + +properties: + compatible: + const: intel,sso-led + + reg: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + maxItems: 2 + items: + - const: sso + - const: fpid + + gpio-controller: true + + '#gpio-cells': + const: 2 + + intel,sso-gpio-base: + $ref: /schemas/types.yaml#definitions/uint32 + description: + Identifies the first gpio handled. + + ngpios: + minimum: 0 + maximum: 32 + description: + Number of GPIOs this controller provides. + + intel,sso-update-rate: + $ref: /schemas/types.yaml#definitions/uint32 + description: + Blink frequency for SOUTs in Hz. + + ssoled: + type: object + description: + This sub-node must contain a sub-node for each leds. + + patternProperties: + "^led@[0-23]$": + type: object + + properties: + reg: + description: Index of the LED. + minimum: 0 + maximum: 2 + + sso-hw-trigger: + type: boolean + description: This property indicates Hardware driven/control LED. + + sso-hw-blink: + type: boolean + description: This property indicates Enable LED blink by Hardware. + + sso-blink-rate: + $ref: /schemas/types.yaml#/definitions/uint32 + 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 + #include + + ssogpio: ssogpio@E0D40000 { + compatible = "intel,sso-led"; + 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 = <250000>; + + ssoled { + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + function = "gphy"; + color = ; + led-gpio = <&ssogpio 0 0>; + }; + + led@23 { + reg = <23>; + function = LED_FUNCTION_POWER; + color = ; + led-gpio = <&ssogpio 23 0>; + }; + }; + };