From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B080C4332F for ; Thu, 29 Sep 2022 10:30:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234971AbiI2Kax (ORCPT ); Thu, 29 Sep 2022 06:30:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234950AbiI2Kaw (ORCPT ); Thu, 29 Sep 2022 06:30:52 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 711BCEEB62; Thu, 29 Sep 2022 03:30:51 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.93,354,1654527600"; d="scan'208";a="136619448" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 29 Sep 2022 19:30:50 +0900 Received: from localhost.localdomain (unknown [10.226.92.32]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 590F9400F7A2; Thu, 29 Sep 2022 19:30:46 +0900 (JST) From: Biju Das To: Rob Herring , Krzysztof Kozlowski , Philipp Zabel , Thierry Reding Cc: Biju Das , Geert Uytterhoeven , Lee Jones , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, Chris Paterson , Biju Das , Prabhakar Mahadev Lad , linux-renesas-soc@vger.kernel.org Subject: [PATCH RFC 0/7] Add RZ/G2L MTU3 PWM driver Date: Thu, 29 Sep 2022 11:30:36 +0100 Message-Id: <20220929103043.1228235-1-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Add support for RZ/G2L MTU3 PWM driver. The IP 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) This patch adds basic pwm mode 1 support for RZ/G2L MTU3 driver by creating separate logical channels for each IOs. Current patch set is tested with PWM mode 1 on the MTU3 channel that has 2 IO's. Please share your valuable comments on this patch series. This RFC patch series depend upon MFD driver[1] [1] https://patchwork.kernel.org/project/linux-renesas-soc/patch/20220926132114.60396-4-biju.das.jz@bp.renesas.com/ Biju Das (7): dt-bindings: mfd: Document RZ/G2L MTU3a bindings dt-bindings: mfd: rzg2l-mtu3: Document RZ/G2L MTU3 counter dt-bindings: mfd: rz-mtu3: Document RZ/G2L MTU3 PWM pwm: Add support for RZ/G2L MTU3 PWM arm64: dts: renesas: r9a07g044: Add MTU3 PWM support arm64: dts: renesas: r9a07g054: Add MTU3 PWM support arm64: dts: renesas: rzg2l-smarc: [HACK] Enable MTU3 PWM channel 3 for PWM mode 1 testing .../bindings/mfd/renesas,rzg2l-mtu3.yaml | 360 ++++++++++++++++ arch/arm64/boot/dts/renesas/r9a07g044.dtsi | 42 ++ arch/arm64/boot/dts/renesas/r9a07g054.dtsi | 42 ++ .../boot/dts/renesas/rz-smarc-common.dtsi | 2 + .../dts/renesas/rzg2l-smarc-pinfunction.dtsi | 11 + arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 5 + arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi | 20 + drivers/pwm/Kconfig | 11 + drivers/pwm/Makefile | 1 + drivers/pwm/pwm-rz-mtu3.c | 384 ++++++++++++++++++ 10 files changed, 878 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml create mode 100644 drivers/pwm/pwm-rz-mtu3.c -- 2.25.1