From patchwork Wed Jun 5 02:44:55 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: 13686134 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 E10B1C27C5F for ; Wed, 5 Jun 2024 02:45:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Reply-To:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References: Message-Id: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=QlgLjoir9RbJjydWhtRFxOSUChDm4RRlTjsq+vj0Grk=; b=Fl3sgThNJHPhDM GRlO8X+LyF6S6TthUq+rRXOhrXf/b/D4jrYNNnUJtUIDo561SkXLs90TTBBqP1xPqVyIMAjT8HoWa EOABm2cIMY3iGqF4C2TvcnUbOeWscItXyOFwulN51kTUFfcK5ZeBbs0cMrXDiVVn0+xl5u/8bSapm t2GbL5mzApb1WiW/bn6c18j3rMrbrCBqpKZlS58UCP7D1NsbTPXr+VgvRovG0uyKr/pOrMyM8lKGo vEEGE2EGTn/dqHZXpe4VBpmjI86QZ8u5gClR8rJwTsYjc54vRgYrjM0BNqa3OV6wcC7xhUOjrSOa4 kYiPxKg7B0SG0toWD53Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sEgeA-00000004UOp-33vL; Wed, 05 Jun 2024 02:45:06 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sEge7-00000004UNJ-1cEK; Wed, 05 Jun 2024 02:45:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id DD77A615E2; Wed, 5 Jun 2024 02:45:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 80DDEC4AF07; Wed, 5 Jun 2024 02:45:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717555500; bh=jyCjgjjbSAhEovi0cCm4ccKk2T1mvw3REIlJ5GXry+o=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=gxxkW2vLpRXd5EWX/sU9s4LyabNjHN6GD8eYbI28yz5Ds4wKH5Yl/IgLOAw9SkkXU Tm2Aq242Urow7hmKE2CMZGiF++Q7wi8qoEFvdfHjKGVGlBTMJlwkBdjEp/K+HqIBy2 ydM5HVb4MGDEjoyvn3VMb7upfa7henlhDd83Err2qGNVo3bFTE8OSb4cXti2/cwDBl jsDiFG1bpeOJfadQVkatiHpFcjiJ+B2Z4FKKkQ5+oLoTTsCIl/8b+iUyXuE7ENsG0w /UzqkCsXDLyZLdUEp9Tni17oMiE7aF+gt3JduFwlMKEtKKpNyCKIf9LReOmLxSokJ6 /2MjTZtXDcI7A== 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 6B748C27C5E; Wed, 5 Jun 2024 02:45:00 +0000 (UTC) From: Kelvin Zhang via B4 Relay Date: Wed, 05 Jun 2024 10:44:55 +0800 Subject: [PATCH v7 1/2] pwm: meson: Add support for Amlogic S4 PWM MIME-Version: 1.0 Message-Id: <20240605-s4-pwm-v7-1-e822b271d7b0@amlogic.com> References: <20240605-s4-pwm-v7-0-e822b271d7b0@amlogic.com> In-Reply-To: <20240605-s4-pwm-v7-0-e822b271d7b0@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=1717555496; l=2138; i=kelvin.zhang@amlogic.com; s=20240329; h=from:subject:message-id; bh=PY1LLIlUoEaOvFEAiK0IUMl1TtUUL9kMLCoeJzffQ8s=; b=O3AHvuK3WmFNKLuTbYCYnQMWZjsI0xJhfK2Quo47JUGzgeNTjg8IqB5it1K0WOKPzh02VbzRs hyqZvrUF/TKCkHYHVAOnh1FYFmY/jadIYbIsTEeNXUFvQV8HZfz/wUi 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-20240604_194503_595804_7CB5620F X-CRM114-Status: GOOD ( 12.58 ) 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 --- drivers/pwm/pwm-meson.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index b2f97dfb01bb..4f01847525b2 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -460,6 +460,34 @@ 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)) { + ret = PTR_ERR(meson->channels[i].clk); + dev_err_probe(dev, ret, "Failed to get clk\n"); + return ret; + } + devm_add_action_or_reset(dev, meson_pwm_s4_put_clk, + meson->channels[i].clk); + } + + 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 +526,10 @@ 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 +568,10 @@ 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);