From nobody Sun May 19 12:26:22 2024 Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D2D113CA98; Tue, 23 Apr 2024 16:10:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.89.224.132 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713888628; cv=none; b=sipYyqcsD+QhkTUbugjQ2E2iLoZhZFZf2x8h0uhQx3vuWQkFW0HlfQFhPDASu7KpdxqrnrtfV6xVbGRvHqO5Mv9bToMAvngn5FzQ2NYLJjjqTfWr/S90R38fL0ZP/PD63d3tyKti5biK/zIHUxpps7HAlT/Y8B91W+NKRyg6twY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713888628; c=relaxed/simple; bh=ay3KNslbYsYnV+1QHwm3VJsosHzA/esqmO1+ooE+lUE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pBUDCwvFRP8DrjN2UdnNIUMdrwV3Pd1rpRml2US/qnnoEzktaWa0c8L92QlhefWGig9AxfoFVskUSyUFJ5akKryauHyC7QURtnvJTyJyDzrvCtP4D38XkxPA+775ZuA1GJIh6OTIAhNMtRXk1jJxr5TOGC/MoTnNi5SCmVFw4YI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=salutedevices.com; spf=pass smtp.mailfrom=salutedevices.com; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b=Crmx2ISf; arc=none smtp.client-ip=45.89.224.132 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=salutedevices.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=salutedevices.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="Crmx2ISf" Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 471ED120010; Tue, 23 Apr 2024 19:10:17 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 471ED120010 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1713888617; bh=jcnKO+9qD/W9Hyy6XkIloPCRHxcviiB1D0CedgJxIBo=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=Crmx2ISfcIDvuS82LLJcAQ1DOJTbYDQfygFKZByh10GSZNZvnZolXEUNENn7sTSaR hO4mKFrLy+c3wkXvcytHucDVr2LHzt4D+NXV4RpNduBKc9fGseqiGP7C3Elgsa4Xyl 6N8C0xCzFVKw4PNJwtDDDgEDtKFT3d1sTD3/LuKWXHiZxQNSmlEHGai9u9tX/W8eJT MQ0ddvdZNQSTW7C+2rxezu0qoTTMMUyfusEQz/TfV0iqBaPY6tJ2GAujGSy9KJ/ygA AluzzOl0uiUjVTIJ1dZFwgbSL4bqIFCohbgm0+3zAMaVNcrxvDKqjmdW4A2VxnbMzV QZdy2yBJh0N7w== Received: from smtp.sberdevices.ru (p-i-exch-sc-m02.sberdevices.ru [172.16.192.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Tue, 23 Apr 2024 19:10:17 +0300 (MSK) Received: from work.sberdevices.ru (100.64.160.123) by p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 23 Apr 2024 19:10:16 +0300 From: George Stark To: , , , , , , , , , CC: , , , , , , George Stark , Dmitry Rokosov Subject: [PATCH 1/2] dt-bindings: pwm: amlogic: Add new bindings for meson A1 pwm Date: Tue, 23 Apr 2024 19:10:05 +0300 Message-ID: <20240423161006.2522351-2-gnstark@salutedevices.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240423161006.2522351-1-gnstark@salutedevices.com> References: <20240423161006.2522351-1-gnstark@salutedevices.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 184882 [Apr 23 2024] X-KSMG-AntiSpam-Version: 6.1.0.4 X-KSMG-AntiSpam-Envelope-From: gnstark@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 18 0.3.18 b9d6ada76958f07c6a68617a7ac8df800bc4166c, {Tracking_from_domain_doesnt_match_to}, salutedevices.com:7.1.1;100.64.160.123:7.1.2;smtp.sberdevices.ru:7.1.1,5.0.1;127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/04/23 04:11:00 #24934400 X-KSMG-AntiVirus-Status: Clean, skipped Content-Type: text/plain; charset="utf-8" The chip has 3 dual channel PWM modules AB, CD, EF. Signed-off-by: George Stark Signed-off-by: Dmitry Rokosov Acked-by: Conor Dooley --- Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml b/Docum= entation/devicetree/bindings/pwm/pwm-amlogic.yaml index 1d71d4f8f328..ef6daf1760ff 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml +++ b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml @@ -37,6 +37,7 @@ properties: - enum: - amlogic,meson8-pwm-v2 - amlogic,meson-s4-pwm + - amlogic,meson-a1-pwm - items: - enum: - amlogic,meson8b-pwm-v2 @@ -126,6 +127,7 @@ allOf: contains: enum: - amlogic,meson-s4-pwm + - amlogic,meson-a1-pwm then: properties: clocks: --=20 2.25.1 From nobody Sun May 19 12:26:22 2024 Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66FCD13CA8C; 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charset="utf-8" From: George Stark Add a compatible string and configuration for the meson A1 SoC family PWM. Additionally, provide an external clock initialization helper specifically designed for these PWM IPs. Signed-off-by: George Stark Signed-off-by: Dmitry Rokosov --- drivers/pwm/pwm-meson.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index ea96c5973488..529a541ba7b6 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -462,6 +462,33 @@ static int meson_pwm_init_channels_meson8b_v2(struct p= wm_chip *chip) return meson_pwm_init_clocks_meson8b(chip, mux_parent_data); } =20 +static int meson_pwm_init_channels_ext_clock(struct pwm_chip *chip) +{ + struct device *dev =3D pwmchip_parent(chip); + struct meson_pwm *meson =3D to_meson_pwm(chip); + struct meson_pwm_channel *channels =3D meson->channels; + struct clk_bulk_data *clks =3D NULL; + unsigned int i; + int res; + + res =3D devm_clk_bulk_get_all(dev, &clks); + if (res < 0) { + dev_err(dev, "can't get device clocks\n"); + return res; + } + + if (res !=3D MESON_NUM_PWMS) { + dev_err(dev, "clock count must be %d, got %d\n", + MESON_NUM_PWMS, res); + return -EINVAL; + } + + for (i =3D 0; i < MESON_NUM_PWMS; i++) + channels[i].clk =3D clks[i].clk; + + return 0; +} + static const struct meson_pwm_data pwm_meson8b_data =3D { .parent_names =3D { "xtal", NULL, "fclk_div4", "fclk_div3" }, .channels_init =3D meson_pwm_init_channels_meson8b_legacy, @@ -500,11 +527,19 @@ static const struct meson_pwm_data pwm_meson8_v2_data= =3D { .channels_init =3D meson_pwm_init_channels_meson8b_v2, }; =20 +static const struct meson_pwm_data pwm_meson_ext_clock_data =3D { + .channels_init =3D meson_pwm_init_channels_ext_clock, +}; + static const struct of_device_id meson_pwm_matches[] =3D { { .compatible =3D "amlogic,meson8-pwm-v2", .data =3D &pwm_meson8_v2_data }, + { + .compatible =3D "amlogic,meson-a1-pwm", + .data =3D &pwm_meson_ext_clock_data + }, /* The following compatibles are obsolete */ { .compatible =3D "amlogic,meson8b-pwm", --=20 2.25.1