From patchwork Thu Sep 29 10:30:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 1684361 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4MdV5625Vyz1yqH for ; Thu, 29 Sep 2022 20:31:06 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235479AbiI2KbF (ORCPT ); Thu, 29 Sep 2022 06:31:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235502AbiI2KbE (ORCPT ); Thu, 29 Sep 2022 06:31:04 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id EC195128899; Thu, 29 Sep 2022 03:31:02 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.93,354,1654527600"; d="scan'208";a="136619473" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 29 Sep 2022 19:31:02 +0900 Received: from localhost.localdomain (unknown [10.226.92.32]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 4F990400F7A2; Thu, 29 Sep 2022 19:30:58 +0900 (JST) From: Biju Das To: Rob Herring , Krzysztof Kozlowski , Thierry Reding Cc: Biju Das , Lee Jones , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, Geert Uytterhoeven , Chris Paterson , Biju Das , Prabhakar Mahadev Lad , linux-renesas-soc@vger.kernel.org Subject: [PATCH RFC 3/7] dt-bindings: mfd: rz-mtu3: Document RZ/G2L MTU3 PWM Date: Thu, 29 Sep 2022 11:30:39 +0100 Message-Id: <20220929103043.1228235-4-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220929103043.1228235-1-biju.das.jz@bp.renesas.com> References: <20220929103043.1228235-1-biju.das.jz@bp.renesas.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Document RZ/G2L MTU3 PWM support. It supports following pwm modes. 1) PWM mode 1 2) PWM mode 2 3) Reset-synchronized PWM mode 4) Complementary PWM mode 1 (transfer at crest) 5) Complementary PWM mode 2 (transfer at trough) 6) Complementary PWM mode 3 (transfer at crest and trough) Signed-off-by: Biju Das --- .../bindings/mfd/renesas,rzg2l-mtu3.yaml | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml b/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml index c4bcf28623d6..362fedf5bedb 100644 --- a/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml +++ b/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml @@ -223,6 +223,50 @@ patternProperties: - compatible - reg + "^pwm@([0-4]|[6-7])+$": + type: object + + properties: + compatible: + const: renesas,rz-mtu3-pwm + + reg: + description: Identify pwm channels. + items: + enum: [ 0, 1, 2, 3, 4, 6, 7 ] + + "#pwm-cells": + const: 2 + + renesas,pwm-mode1: + type: boolean + description: Enable PWM mode 1. + + renesas,pwm-mode2: + type: boolean + description: Enable PWM mode 2. + + renesas,reset-synchronized-pwm-mode: + type: boolean + description: Enable Reset-synchronized PWM mode. + + renesas,complementary-pwm-mode1: + type: boolean + description: Complementary PWM mode 1 (transfer at crest). + + renesas,complementary-pwm-mode2: + type: boolean + description: Complementary PWM mode 2 (transfer at trough). + + renesas,complementary-pwm-mode3: + type: boolean + description: Complementary PWM mode 3 (transfer at crest and trough). + + required: + - compatible + - reg + - "#pwm-cells" + required: - compatible - reg @@ -305,6 +349,12 @@ examples: compatible = "renesas,rzg2l-mtu3-counter"; reg = <1>; }; + pwm@3 { + compatible = "renesas,rz-mtu3-pwm"; + reg = <3>; + #pwm-cells = <2>; + renesas,pwm-mode1; + }; }; ...