From nobody Sat Feb 7 06:23:15 2026 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 5906416EB44; Mon, 1 Jul 2024 17:20:32 +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=1719854437; cv=none; b=I331dvAar8Vpvq8HibB/0RsrlHN+R++fP2ed18G05l0b3KxkG/7/nDqLINi6S77CgBJ/CrARloR38MPRVTMSs5ih5EDF6hIfxrxoy0FSs75tm+AGOglNYvixH/3QhxrHoZzc6H5VYBdLjb2h92awvtXgPcbQmqeNAZ6n+aISSNA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719854437; c=relaxed/simple; bh=oMGxMij320FnXrlNJ1UPrPbMoD+rcMcr+C/mf55fP1U=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=U9bKDmI+9S3GGX2NJyMkTDCe48MKITITBh6Ov/NqZ9gwE0e+c4Wu+BwHO8ZzZEFS0zI25co21sEux2pkombEvdpukRcvEbUBJTCti22zmLtZVxJu6uwl6VHkbhN0vvN1430qdpsvc6H4mqX7eBEuh0Aih3gDrfDrKvxlAQRyTjk= 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=OjvS0KAd; 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="OjvS0KAd" Received: from p-infra-ksmg-sc-msk02.sberdevices.ru (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id B9F1C12000C; Mon, 1 Jul 2024 20:20:24 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru B9F1C12000C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1719854424; bh=MVrEHcT3w02APU44tB6WifIiHTjFlslKUbhO+5L4/wA=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=OjvS0KAdRHucfTWybqd5mlVuBALqzpYPe5zNyxAuCiMEjGtU47J9QMAF4+hZrUc+4 +PJseiFkhtdIMU8JXJZvJdTZ5FepXZNdNwiLLvC+DNHmO+9/txib3lmrTtk8ZRh69B 3jd1/GMUVIUm4PaUGMyc/Y1X8ZAvXwqJWFXo6Uvs0Fl+LbnZyohw9eQXPpfbFuWpDD zicYQ7KOgAEi9GoNAAB0R7oTgu0IJldVaGp4RJ5zeHNyZFf7kwnzq4jPnxgfj8mNkP fv09zpI59Dg8BnPvlT8sHKBYSUJIPeFEJssYw5qHkPDqVDZr3OIbn3EhBCvm+21Vyc 1lVz3H3zhyWiA== 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; Mon, 1 Jul 2024 20:20:24 +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; Mon, 1 Jul 2024 20:20:23 +0300 From: George Stark To: , , , , , , , , CC: , , , , , , George Stark , Dmitry Rokosov Subject: [PATCH v2 1/3] dt-bindings: pwm: amlogic: Add new bindings for meson A1 PWM Date: Mon, 1 Jul 2024 20:20:14 +0300 Message-ID: <20240701172016.523402-2-gnstark@salutedevices.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240701172016.523402-1-gnstark@salutedevices.com> References: <20240701172016.523402-1-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-m02.sberdevices.ru (172.16.192.103) 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: 186247 [Jul 01 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: 21 0.3.21 ebee5449fc125b2da45f1a6a6bc2c5c0c3ad0e05, {Tracking_from_domain_doesnt_match_to}, 127.0.0.199:7.1.2;100.64.160.123:7.1.2;smtp.sberdevices.ru:7.1.1,5.0.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;salutedevices.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: 2024/07/01 15:14:00 #25789329 X-KSMG-AntiVirus-Status: Clean, skipped Content-Type: text/plain; charset="utf-8" The chip has 3 dual-channel PWM modules PWM_AB, PWM_CD, PWM_EF. Signed-off-by: George Stark Signed-off-by: Dmitry Rokosov --- Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml b/Docum= entation/devicetree/bindings/pwm/pwm-amlogic.yaml index 1d71d4f8f328..da22cb3ed878 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml +++ b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml @@ -37,6 +37,10 @@ properties: - enum: - amlogic,meson8-pwm-v2 - amlogic,meson-s4-pwm + - items: + - enum: + - amlogic,meson-a1-pwm + - const: amlogic,meson-s4-pwm - items: - enum: - amlogic,meson8b-pwm-v2 --=20 2.25.1 From nobody Sat Feb 7 06:23:15 2026 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 7405116EB58; Mon, 1 Jul 2024 17:20:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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charset="utf-8" On newer SoCs, the PWM can require a power-domain to operate so add it as optional. Signed-off-by: George Stark --- Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml b/Docum= entation/devicetree/bindings/pwm/pwm-amlogic.yaml index da22cb3ed878..c814d88748dd 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml +++ b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml @@ -60,6 +60,9 @@ properties: minItems: 1 maxItems: 2 =20 + power-domains: + maxItems: 1 + "#pwm-cells": const: 3 =20 --=20 2.25.1 From nobody Sat Feb 7 06:23:15 2026 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 740C816EB5D; Mon, 1 Jul 2024 17:20:32 +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; 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charset="utf-8" From: George Stark The chip has 3 dual-channel PWM modules PWM_AB, PWM_CD, PWM_EF those can be connected to various digital I/O pins. Each of 6 PWM is driven by individually selected clock parent and 8-bit divider. The PWM signal is generated using two 16-bit counters. Signed-off-by: George Stark Signed-off-by: Dmitry Rokosov --- arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 215 ++++++++++++++++++++++ 1 file changed, 215 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dt= s/amlogic/meson-a1.dtsi index 2a69e1e41bdc..d93b10bd156b 100644 --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -307,6 +307,188 @@ mux { }; }; =20 + pwm_a_pins1: pwm-a-pins1 { + mux { + groups =3D "pwm_a_x6"; + function =3D "pwm_a"; + }; + }; + + pwm_a_pins2: pwm-a-pins2 { + mux { + groups =3D "pwm_a_x7"; + function =3D "pwm_a"; + }; + }; + + pwm_a_pins3: pwm-a-pins3 { + mux { + groups =3D "pwm_a_f10"; + function =3D "pwm_a"; + }; + }; + + pwm_a_pins4: pwm-a-pins4 { + mux { + groups =3D "pwm_a_f6"; + function =3D "pwm_a"; + }; + }; + + pwm_a_pins5: pwm-a-pins5 { + mux { + groups =3D "pwm_a_a"; + function =3D "pwm_a"; + }; + }; + + pwm_b_pins1: pwm-b-pins1 { + mux { + groups =3D "pwm_b_x"; + function =3D "pwm_b"; + }; + }; + + pwm_b_pins2: pwm-b-pins2 { + mux { + groups =3D "pwm_b_f"; + function =3D "pwm_b"; + }; + }; + + pwm_b_pins3: pwm-b-pins3 { + mux { + groups =3D "pwm_b_a"; + function =3D "pwm_b"; + }; + }; + + pwm_c_pins1: pwm-c-pins1 { + mux { + groups =3D "pwm_c_x"; + function =3D "pwm_c"; + }; + }; + + pwm_c_pins2: pwm-c-pins2 { + mux { + groups =3D "pwm_c_f3"; + function =3D "pwm_c"; + }; + }; + + pwm_c_pins3: pwm-c-pins3 { + mux { + groups =3D "pwm_c_f8"; + function =3D "pwm_c"; + }; + }; + + pwm_c_pins4: pwm-c-pins4 { + mux { + groups =3D "pwm_c_a"; + function =3D "pwm_c"; + }; + }; + + pwm_d_pins1: pwm-d-pins1 { + mux { + groups =3D "pwm_d_x15"; + function =3D "pwm_d"; + }; + }; + + pwm_d_pins2: pwm-d-pins2 { + mux { + groups =3D "pwm_d_x13"; + function =3D "pwm_d"; + }; + }; + + pwm_d_pins3: pwm-d-pins3 { + mux { + groups =3D "pwm_d_x10"; + function =3D "pwm_d"; + }; + }; + + pwm_d_pins4: pwm-d-pins4 { + mux { + groups =3D "pwm_d_f"; + function =3D "pwm_d"; + }; + }; + + pwm_e_pins1: pwm-e-pins1 { + mux { + groups =3D "pwm_e_p"; + function =3D "pwm_e"; + }; + }; + + pwm_e_pins2: pwm-e-pins2 { + mux { + groups =3D "pwm_e_x16"; + function =3D "pwm_e"; + }; + }; + + pwm_e_pins3: pwm-e-pins3 { + mux { + groups =3D "pwm_e_x14"; + function =3D "pwm_e"; + }; + }; + + pwm_e_pins4: pwm-e-pins4 { + mux { + groups =3D "pwm_e_x2"; + function =3D "pwm_e"; + }; + }; + + pwm_e_pins5: pwm-e-pins5 { + mux { + groups =3D "pwm_e_f"; + function =3D "pwm_e"; + }; + }; + + pwm_e_pins6: pwm-e-pins6 { + mux { + groups =3D "pwm_e_a"; + function =3D "pwm_e"; + }; + }; + + pwm_f_pins1: pwm-f-pins1 { + mux { + groups =3D "pwm_f_b"; + function =3D "pwm_f"; + }; + }; + + pwm_f_pins2: pwm-f-pins2 { + mux { + groups =3D "pwm_f_x"; + function =3D "pwm_f"; + }; + }; + + pwm_f_pins3: pwm-f-pins3 { + mux { + groups =3D "pwm_f_f4"; + function =3D "pwm_f"; + }; + }; + + pwm_f_pins4: pwm-f-pins4 { + mux { + groups =3D "pwm_f_f12"; + function =3D "pwm_f"; + }; + }; + sdio_pins: sdio { mux0 { groups =3D "sdcard_d0_x", @@ -648,6 +830,28 @@ uart_AO_B: serial@2000 { status =3D "disabled"; }; =20 + pwm_ab: pwm@2400 { + compatible =3D "amlogic,meson-a1-pwm", + "amlogic,meson-s4-pwm"; + reg =3D <0x0 0x2400 0x0 0x24>; + #pwm-cells =3D <3>; + clocks =3D <&clkc_periphs CLKID_PWM_A>, + <&clkc_periphs CLKID_PWM_B>; + power-domains =3D <&pwrc PWRC_I2C_ID>; + status =3D "disabled"; + }; + + pwm_cd: pwm@2800 { + compatible =3D "amlogic,meson-a1-pwm", + "amlogic,meson-s4-pwm"; + reg =3D <0x0 0x2800 0x0 0x24>; + #pwm-cells =3D <3>; + clocks =3D <&clkc_periphs CLKID_PWM_C>, + <&clkc_periphs CLKID_PWM_D>; + power-domains =3D <&pwrc PWRC_I2C_ID>; + status =3D "disabled"; + }; + saradc: adc@2c00 { compatible =3D "amlogic,meson-g12a-saradc", "amlogic,meson-saradc"; @@ -731,6 +935,17 @@ sec_AO: ao-secure@5a20 { amlogic,has-chip-id; }; =20 + pwm_ef: pwm@5400 { + compatible =3D "amlogic,meson-a1-pwm", + "amlogic,meson-s4-pwm"; + reg =3D <0x0 0x5400 0x0 0x24>; + #pwm-cells =3D <3>; + clocks =3D <&clkc_periphs CLKID_PWM_E>, + <&clkc_periphs CLKID_PWM_F>; + power-domains =3D <&pwrc PWRC_I2C_ID>; + status =3D "disabled"; + }; + clkc_pll: pll-clock-controller@7c80 { compatible =3D "amlogic,a1-pll-clkc"; reg =3D <0 0x7c80 0 0x18c>; --=20 2.25.1