From patchwork Thu Jun 13 11:46:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kelvin Zhang via B4 Relay X-Patchwork-Id: 13696701 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CEEDBC27C75 for ; Thu, 13 Jun 2024 11:47:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=h+YscMZ1ayXaKTagTfmfGOUvxGkXoJVzuN5RAXrm+Zs=; b=YxIbRmLCB59hJbl+dO8D5fKm8s tOg0M2/io+uh56nyM9umHkDwe4TE8GYliwqKJxaBbOrJ3vFujEhwPJVoIN73/FI+2yRfcU/Ul3SlD CNPHtOg4Up53qsJf2NA3HqmzC5BG/fxGi3SBvOUS/y/eAbTrWnx9DWG5cCk2DDhfcl1PZU5rDC/OE tBHZVsb8DELXqLM8eTx2fHp6QzFew/PNkRXmnYMtZIoa1isqo+k1kZ5DNu20OHInVIYkeefWWuL27 Znu55NMtx5k2qlikneeuoHmFzV1G6OU8rH7qCL8KR42bw/I0Iy3DgAjENU/2nAwQPckz+kbfEbGon NB43KM/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHivN-0000000GMRo-0S7K; Thu, 13 Jun 2024 11:47:25 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHivF-0000000GMOZ-20q6; Thu, 13 Jun 2024 11:47:19 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 7894DCE2383; Thu, 13 Jun 2024 11:47:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id D25FAC4AF1C; Thu, 13 Jun 2024 11:47:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718279233; bh=P9Nv2rPgkyI+rwI9+K/xy5zN9qQW0189/gZkEhjsAc0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=UWQznOZSzAxaB/69SwoQbOVV1SZMylhjYX8UlpXapkTCYDaYZ2CUe3NrXwekA3b9V tGmGjRKjnkTMczrAccXJ6Ol/UybrgNCSTwbsApreReTm8dfmDmwQYgvf7X7QPU82gv sdPYUGNsa0wIO/GSX4jBizVmiOQjXIROlbutwTzsMe+SrcC8z6l/1PcSbT6od3l6qN XQUiW0vyotvGnXkSsVs6Scowe+UImPZTPpItfwz0sQwgtPmsVYkih2ZDKozVkNVy+I Q7l4moI/7sI7ddurX1aeTzCW45/cOcNLuM57jCtjFDEHbbnXim0eI8rVfstUub+iQp 5p7f6BDj5rQoQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDE9DC27C79; Thu, 13 Jun 2024 11:47:13 +0000 (UTC) From: Kelvin Zhang via B4 Relay Date: Thu, 13 Jun 2024 19:46:35 +0800 Subject: [PATCH v8 1/2] pwm: meson: Add support for Amlogic S4 PWM MIME-Version: 1.0 Message-Id: <20240613-s4-pwm-v8-1-b5bd0a768282@amlogic.com> References: <20240613-s4-pwm-v8-0-b5bd0a768282@amlogic.com> In-Reply-To: <20240613-s4-pwm-v8-0-b5bd0a768282@amlogic.com> To: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-pwm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Kelvin Zhang , Junyi Zhao X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1718279231; l=2242; i=kelvin.zhang@amlogic.com; s=20240329; h=from:subject:message-id; bh=dwmGsdqAEwQLKSoMsQIDCvsk9F7mUyX4lQiaMw6xB40=; b=PUnfZ4mzns+rxE0HtGPXEcYGpdRjcKqzUBEqN9+o9pLHDZtrkOzknLMkJy6Pm8l7A8vDYRg7E 16ZoAfi0aG3C8LnJUQ8nrYtr4L3Zsy/ZbWEA+3a4QtgxKIaDCmvSR7w X-Developer-Key: i=kelvin.zhang@amlogic.com; a=ed25519; pk=pgnle7HTNvnNTcOoGejvtTC7BJT30HUNXfMHRRXSylI= X-Endpoint-Received: by B4 Relay for kelvin.zhang@amlogic.com/20240329 with auth_id=148 X-Original-From: Kelvin Zhang X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240613_044717_933540_C73E3F3D X-CRM114-Status: GOOD ( 12.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: kelvin.zhang@amlogic.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Junyi Zhao Add support for Amlogic S4 PWM. Signed-off-by: Junyi Zhao Signed-off-by: Kelvin Zhang Reviewed-by: George Stark --- drivers/pwm/pwm-meson.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index b2f97dfb01bb..98e6c1533312 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -460,6 +460,37 @@ static int meson_pwm_init_channels_meson8b_v2(struct pwm_chip *chip) return meson_pwm_init_clocks_meson8b(chip, mux_parent_data); } +static void meson_pwm_s4_put_clk(void *data) +{ + struct clk *clk = data; + + clk_put(clk); +} + +static int meson_pwm_init_channels_s4(struct pwm_chip *chip) +{ + struct device *dev = pwmchip_parent(chip); + struct device_node *np = dev->of_node; + struct meson_pwm *meson = to_meson_pwm(chip); + int i, ret; + + for (i = 0; i < MESON_NUM_PWMS; i++) { + meson->channels[i].clk = of_clk_get(np, i); + if (IS_ERR(meson->channels[i].clk)) + return dev_err_probe(dev, + PTR_ERR(meson->channels[i].clk), + "Failed to get clk\n"); + + ret = devm_add_action_or_reset(dev, meson_pwm_s4_put_clk, + meson->channels[i].clk); + if (ret) + return dev_err_probe(dev, ret, + "Failed to add clk_put action\n"); + } + + return 0; +} + static const struct meson_pwm_data pwm_meson8b_data = { .parent_names = { "xtal", NULL, "fclk_div4", "fclk_div3" }, .channels_init = meson_pwm_init_channels_meson8b_legacy, @@ -498,6 +529,10 @@ static const struct meson_pwm_data pwm_meson8_v2_data = { .channels_init = meson_pwm_init_channels_meson8b_v2, }; +static const struct meson_pwm_data pwm_s4_data = { + .channels_init = meson_pwm_init_channels_s4, +}; + static const struct of_device_id meson_pwm_matches[] = { { .compatible = "amlogic,meson8-pwm-v2", @@ -536,6 +571,10 @@ static const struct of_device_id meson_pwm_matches[] = { .compatible = "amlogic,meson-g12a-ao-pwm-cd", .data = &pwm_g12a_ao_cd_data }, + { + .compatible = "amlogic,meson-s4-pwm", + .data = &pwm_s4_data + }, {}, }; MODULE_DEVICE_TABLE(of, meson_pwm_matches);