From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rahul Tanwar Subject: [PATCH v4 1/2] Add DT bindings YAML schema for PWM fan controller of LGM SoC Date: Tue, 30 Jun 2020 15:55:31 +0800 Message-ID: References: Return-path: Received: from mga01.intel.com ([192.55.52.88]:11631 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726899AbgF3Hzo (ORCPT ); Tue, 30 Jun 2020 03:55:44 -0400 In-Reply-To: In-Reply-To: References: Sender: linux-pwm-owner@vger.kernel.org List-Id: linux-pwm@vger.kernel.org To: u.kleine-koenig@pengutronix.de, linux-pwm@vger.kernel.org Cc: thierry.reding@gmail.com, p.zabel@pengutronix.de, robh+dt@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, andriy.shevchenko@intel.com, songjun.Wu@intel.com, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, rahul.tanwar.linux@gmail.com, Rahul Tanwar Intel's LGM(Lightning Mountain) SoC contains a PWM fan controller which is only used to control the fan attached to the system. This PWM controller does not have any other consumer other than fan. Add DT bindings documentation for this PWM fan controller. Signed-off-by: Rahul Tanwar --- .../devicetree/bindings/pwm/intel,lgm-pwm.yaml | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml diff --git a/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml new file mode 100644 index 000000000000..120bf3d85a24 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/intel,lgm-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LGM SoC PWM fan controller + +maintainers: + - Rahul Tanwar + +properties: + compatible: + const: intel,lgm-pwm + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + intel,fan-wire: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: Specifies fan mode. Default when unspecified is 2. + + intel,max-rpm: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: + Specifies maximum RPM of fan attached to the system. + Default when unspecified is 4000. + +required: + - compatible + - reg + - clocks + - resets + +additionalProperties: false + +examples: + - | + pwm: pwm@e0d00000 { + compatible = "intel,lgm-pwm"; + reg = <0xe0d00000 0x30>; + clocks = <&cgu0 126>; + resets = <&rcu0 0x30 21>; + }; -- 2.11.0