From patchwork Mon Feb 24 18:01:50 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 13988733 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 92E4EC021A4 for ; Mon, 24 Feb 2025 18:29:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yJ9Ddvb8/MSiJiYIU7CsHmpvg/muoQVGslcmJdqqGV8=; b=oyFLJ1Uhg3Puv5Vsz4lbngx9CS oCLuvOmuJSU1gTGDKRCwGPXRKE+cfMSMcOkKNKQA/iypWIS5tx4M6JX4F6u5iWgqEO5LAw4VM6QlN cTN0gES00HD7UjadbR+6xTjj7emu+hyp7kq0I8zikttKqX39X+gNFephqgkbmHeWgaphBADc+4Bek pm19e6/f6OrkiVO3u2ON8YjDPxGCZTbv4JJidFAuk3iplWFyA1qoqIRv70NlwlYt5v8q3zt6V+0l2 Mo8T0geUZtDSuIvFmNYOxfoHs2c/zDACJSNaWcm4QLad3YbKegZ7YCGEuH4mQ8AGzOX7t/g3BLYOP 4fLvxWqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tmdCn-0000000EoI1-3xuH; Mon, 24 Feb 2025 18:29:25 +0000 Received: from mx07-00178001.pphosted.com ([185.132.182.106]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tmd3U-0000000EmIF-1WkR for linux-arm-kernel@lists.infradead.org; Mon, 24 Feb 2025 18:19:49 +0000 Received: from pps.filterd (m0288072.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 51OEinRc013893; Mon, 24 Feb 2025 19:14:28 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=selector1; bh= yJ9Ddvb8/MSiJiYIU7CsHmpvg/muoQVGslcmJdqqGV8=; b=EXxExxdBl+SbI9lX aVxjqj/F0BsEmDrBcY0USzXmDslBjQX0o92MefydgvGDc4Gn/S6z95YZbchArk2F MM01LZ41PZp2dxiHyZT9xIdXt8JIM4kvKlRiy8nqJroVLK2hSFRIyZWxnSNKq5a7 /L242jyWnqoQrJRIHD+GdecNRu3ewdbzqfGF7S193JEmr78mt+cn2WkJ03+emhyu lDchp4LbrCC03A95x5xDYpe/SOsZdlf04N5dCl0CsJJjM9DAcVC86WrzhjJcyMwX HpdOyms8r+hfrnBv5I2qypUDI/9TXrp7xrYQL8NAfnkCZjXgwdNXsagK0msmY/Mo X5zjDw== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 44y4vm10w6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 24 Feb 2025 19:14:11 +0100 (CET) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id DA1E34006B; Mon, 24 Feb 2025 19:12:29 +0100 (CET) Received: from Webmail-eu.st.com (eqndag1node6.st.com [10.75.129.135]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 800FB546D7C; Mon, 24 Feb 2025 19:02:36 +0100 (CET) Received: from SAFDAG1NODE1.st.com (10.75.90.17) by EQNDAG1NODE6.st.com (10.75.129.135) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 24 Feb 2025 19:02:36 +0100 Received: from localhost (10.252.23.75) by SAFDAG1NODE1.st.com (10.75.90.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 24 Feb 2025 19:02:36 +0100 From: Fabrice Gasnier To: , , , , , , , , , CC: , , , , , , , , , Subject: [PATCH 8/8] arm64: dts: st: add low-power timer nodes on stm32mp251 Date: Mon, 24 Feb 2025 19:01:50 +0100 Message-ID: <20250224180150.3689638-9-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250224180150.3689638-1-fabrice.gasnier@foss.st.com> References: <20250224180150.3689638-1-fabrice.gasnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.252.23.75] X-ClientProxiedBy: SHFCAS1NODE2.st.com (10.75.129.73) To SAFDAG1NODE1.st.com (10.75.90.17) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-24_09,2025-02-24_02,2024-11-22_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250224_101948_709923_3D0E0EFE X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add low-power timer (LPTimer) support on STM32MP25 SoC. The full feature set is implemented in LPTIM1/2/3/4. LPTIM5 supports a smaller set of features (no capture/compare) channel. Still, LPTIM5 can be used as single PWM, counter, trigger or timer. Signed-off-by: Fabrice Gasnier --- arch/arm64/boot/dts/st/stm32mp251.dtsi | 177 +++++++++++++++++++++++++ 1 file changed, 177 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi index f3c6cdfd7008..742367e4f16d 100644 --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi @@ -238,6 +238,78 @@ rifsc: bus@42080000 { #access-controller-cells = <1>; ranges; + lptimer1: timer@40090000 { + compatible = "st,stm32mp25-lptimer"; + reg = <0x40090000 0x400>; + interrupts-extended = <&exti1 47 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc CK_KER_LPTIM1>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + access-controllers = <&rifsc 17>; + power-domains = <&RET_PD>; + wakeup-source; + status = "disabled"; + + counter { + compatible = "st,stm32mp25-lptimer-counter"; + status = "disabled"; + }; + + pwm { + compatible = "st,stm32mp25-pwm-lp"; + #pwm-cells = <3>; + status = "disabled"; + }; + + timer { + compatible = "st,stm32mp25-lptimer-timer"; + status = "disabled"; + }; + + trigger@0 { + compatible = "st,stm32mp25-lptimer-trigger"; + reg = <0>; + status = "disabled"; + }; + }; + + lptimer2: timer@400a0000 { + compatible = "st,stm32mp25-lptimer"; + reg = <0x400a0000 0x400>; + interrupts-extended = <&exti1 48 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc CK_KER_LPTIM2>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + access-controllers = <&rifsc 18>; + power-domains = <&RET_PD>; + wakeup-source; + status = "disabled"; + + counter { + compatible = "st,stm32mp25-lptimer-counter"; + status = "disabled"; + }; + + pwm { + compatible = "st,stm32mp25-pwm-lp"; + #pwm-cells = <3>; + status = "disabled"; + }; + + timer { + compatible = "st,stm32mp25-lptimer-timer"; + status = "disabled"; + }; + + trigger@1 { + compatible = "st,stm32mp25-lptimer-trigger"; + reg = <1>; + status = "disabled"; + }; + }; + i2s2: audio-controller@400b0000 { compatible = "st,stm32mp25-i2s"; reg = <0x400b0000 0x400>; @@ -799,6 +871,111 @@ i2c8: i2c@46040000 { status = "disabled"; }; + lptimer3: timer@46050000 { + compatible = "st,stm32mp25-lptimer"; + reg = <0x46050000 0x400>; + interrupts-extended = <&exti2 29 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc CK_KER_LPTIM3>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + access-controllers = <&rifsc 19>; + wakeup-source; + status = "disabled"; + + counter { + compatible = "st,stm32mp25-lptimer-counter"; + status = "disabled"; + }; + + pwm { + compatible = "st,stm32mp25-pwm-lp"; + #pwm-cells = <3>; + status = "disabled"; + }; + + timer { + compatible = "st,stm32mp25-lptimer-timer"; + status = "disabled"; + }; + + trigger@2 { + compatible = "st,stm32mp25-lptimer-trigger"; + reg = <2>; + status = "disabled"; + }; + }; + + lptimer4: timer@46060000 { + compatible = "st,stm32mp25-lptimer"; + reg = <0x46060000 0x400>; + interrupts-extended = <&exti2 30 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc CK_KER_LPTIM4>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + access-controllers = <&rifsc 20>; + wakeup-source; + status = "disabled"; + + counter { + compatible = "st,stm32mp25-lptimer-counter"; + status = "disabled"; + }; + + pwm { + compatible = "st,stm32mp25-pwm-lp"; + #pwm-cells = <3>; + status = "disabled"; + }; + + timer { + compatible = "st,stm32mp25-lptimer-timer"; + status = "disabled"; + }; + + trigger@3 { + compatible = "st,stm32mp25-lptimer-trigger"; + reg = <3>; + status = "disabled"; + }; + }; + + lptimer5: timer@46070000 { + compatible = "st,stm32mp25-lptimer"; + reg = <0x46070000 0x400>; + interrupts-extended = <&exti2 31 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc CK_KER_LPTIM5>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + access-controllers = <&rifsc 21>; + wakeup-source; + status = "disabled"; + + counter { + compatible = "st,stm32mp25-lptimer-counter"; + status = "disabled"; + }; + + pwm { + compatible = "st,stm32mp25-pwm-lp"; + #pwm-cells = <3>; + status = "disabled"; + }; + + timer { + compatible = "st,stm32mp25-lptimer-timer"; + status = "disabled"; + }; + + trigger@4 { + compatible = "st,stm32mp25-lptimer-trigger"; + reg = <4>; + status = "disabled"; + }; + }; + csi: csi@48020000 { compatible = "st,stm32mp25-csi"; reg = <0x48020000 0x2000>;