From nobody Tue Dec 16 05:38:17 2025 Received: from sender4-op-o16.zoho.com (sender4-op-o16.zoho.com [136.143.188.16]) (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 A36FE1E0B9C; Sat, 19 Apr 2025 17:10:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.16 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745082651; cv=pass; b=HoRxZPFOlbNr3qe3mE7w3Nu9sCUNrRVWfs9KMvE0CibLEExaJM/WImbxGMrN24q5zMN8T68A1YgIQbHkWDnikpEPB+6K0iT6rHkDi5eQQcuqTiBWk/i3tk7yp3vt+Tdme02fzN89f0xaMqxF7mlmJaLR2kpGd8DwNOkpDZ/uAyQ= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745082651; c=relaxed/simple; bh=xhweuvJS9YG88uSyt4vYb/tYoFw89Fgj4UMJwesoxG4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=SJn4gSJyHu1rPs0nJWS2+uzhWuKZbD7GLnllvtatd53v8wbcYw4a8OgH+UgZYYUxKCBnRF7GihZGnPCGvIscunL+XVg2MgQqjBul8vVdtr08jIt5c97gebblqaYpaH2f3tpRV1hDeTw9l0O3cBv+kAsSGP61FDDH+0RKSV43Bcw= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pigmoral.tech; spf=pass smtp.mailfrom=pigmoral.tech; dkim=pass (1024-bit key) header.d=pigmoral.tech header.i=junhui.liu@pigmoral.tech header.b=CZxN4Jfe; arc=pass smtp.client-ip=136.143.188.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pigmoral.tech Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pigmoral.tech Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=pigmoral.tech header.i=junhui.liu@pigmoral.tech header.b="CZxN4Jfe" ARC-Seal: i=1; a=rsa-sha256; t=1745082634; cv=none; d=zohomail.com; s=zohoarc; b=joKrV7XlET0fd9uSj9IicBLj26EIkBtng2SXtalHHWslW2WCL+wOwHc0cpRLgsRtRecoy067EEp1yVktpOHnoJWEd6HofuR0pR6BubnJTK9h4ErcMBWLh8giqMEC3TSyWmKedAiJzl5hKyQm3Jt8zwZScvQb6JWxmzHWOcRQX3g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1745082634; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=UcvSXdnii1Lwhw7SPpHVTM5IQQa5XSKg4ecZK5XrX3A=; b=Mgc5QppazgXTJIkRvo7M3t4+UFFfSf9phpJok/pf1+//kZCtA19IT5CDKIHcGw53RQxuzv3EFH/CePuxzcoOUyVf2q8G3PmnrH7QTkcw0jlHS3vQTmNXy3i2cUsltf5iotXDhSd3mE3bc5NhWjU5N1ciIpscuEY0kU9ls6pSIMg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=pigmoral.tech; spf=pass smtp.mailfrom=junhui.liu@pigmoral.tech; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1745082634; s=zmail; d=pigmoral.tech; i=junhui.liu@pigmoral.tech; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=UcvSXdnii1Lwhw7SPpHVTM5IQQa5XSKg4ecZK5XrX3A=; b=CZxN4Jfe6UW3waCqjUc/C1s1FCsiJnbivbpho/HSfDbryxcCrzK2Q0M/1Fj+BeHF rJA+8dsTgwJAKfd+D0OVNtFM9H7I3kdQoo4VVvOiPybx4eOrnJsgwFJlxyHqMiEQhC+ IBydA8emwhT2Gc1DPdMfQU+mDf3tSjo5lzSu9sTk= Received: by mx.zohomail.com with SMTPS id 1745082627676970.1168526296; Sat, 19 Apr 2025 10:10:27 -0700 (PDT) From: Junhui Liu Date: Sun, 20 Apr 2025 01:09:44 +0800 Subject: [PATCH v2 1/2] dt-bindings: reset: add support for canaan,k230-rst Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250420-k230-reset-v2-1-f1b4a016e438@pigmoral.tech> References: <20250420-k230-reset-v2-0-f1b4a016e438@pigmoral.tech> In-Reply-To: <20250420-k230-reset-v2-0-f1b4a016e438@pigmoral.tech> To: Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Junhui Liu Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Conor Dooley X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745082602; l=4258; i=junhui.liu@pigmoral.tech; s=20250223; h=from:subject:message-id; bh=xhweuvJS9YG88uSyt4vYb/tYoFw89Fgj4UMJwesoxG4=; b=ZTMMoleqczN1XxhDnHt+k5wyAcQGXb0JNWzzpcsqG0g7P+NV6WxSDSp9VLkjD4YkfdnlRw9Wd CFqqA6V/T9tB/AgO9yHtxCNtGAmCBk+BgOmKNWH5MT5+x+pikZFRSIT X-Developer-Key: i=junhui.liu@pigmoral.tech; a=ed25519; pk=ZRZkOjG47iI+To+oAo2R4KIpMwtz8r0TffJ5/nO2tcg= X-ZohoMailClient: External Introduces a reset controller driver for the Kendryte K230 SoC, resposible for managing the reset functionality of the CPUs and various sub-modules. Signed-off-by: Junhui Liu Reviewed-by: Conor Dooley --- .../devicetree/bindings/reset/canaan,k230-rst.yaml | 39 ++++++++++ include/dt-bindings/reset/canaan,k230-rst.h | 90 ++++++++++++++++++= ++++ 2 files changed, 129 insertions(+) diff --git a/Documentation/devicetree/bindings/reset/canaan,k230-rst.yaml b= /Documentation/devicetree/bindings/reset/canaan,k230-rst.yaml new file mode 100644 index 0000000000000000000000000000000000000000..d352d0e12d8106a232bb5e6d7e1= 38697d2106937 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/canaan,k230-rst.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/canaan,k230-rst.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Canaan Kendryte K230 Reset Controller + +maintainers: + - Junhui Liu + +description: + The Canaan Kendryte K230 reset controller is part of the SoC's system + controller and controls the reset registers for CPUs and various periphe= rals. + +properties: + compatible: + const: canaan,k230-rst + + reg: + maxItems: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - '#reset-cells' + +additionalProperties: false + +examples: + - | + reset-controller@91101000 { + compatible =3D "canaan,k230-rst"; + reg =3D <0x91101000 0x1000>; + #reset-cells =3D <1>; + }; diff --git a/include/dt-bindings/reset/canaan,k230-rst.h b/include/dt-bindi= ngs/reset/canaan,k230-rst.h new file mode 100644 index 0000000000000000000000000000000000000000..53e3fd8177071aef8983c631706= d67ac86ab645b --- /dev/null +++ b/include/dt-bindings/reset/canaan,k230-rst.h @@ -0,0 +1,90 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2023-2024 Canaan Bright Sight Co., Ltd + * Copyright (C) 2024-2025 Junhui Liu + */ +#ifndef _DT_BINDINGS_CANAAN_K230_RST_H_ +#define _DT_BINDINGS_CANAAN_K230_RST_H_ + +#define RST_CPU0 0 +#define RST_CPU1 1 +#define RST_CPU0_FLUSH 2 +#define RST_CPU1_FLUSH 3 +#define RST_AI 4 +#define RST_VPU 5 +#define RST_HS 6 +#define RST_HS_AHB 7 +#define RST_SDIO0 8 +#define RST_SDIO1 9 +#define RST_SDIO_AXI 10 +#define RST_USB0 11 +#define RST_USB1 12 +#define RST_USB0_AHB 13 +#define RST_USB1_AHB 14 +#define RST_SPI0 15 +#define RST_SPI1 16 +#define RST_SPI2 17 +#define RST_SEC 18 +#define RST_PDMA 19 +#define RST_SDMA 20 +#define RST_DECOMPRESS 21 +#define RST_SRAM 22 +#define RST_SHRM_AXIM 23 +#define RST_SHRM_AXIS 24 +#define RST_NONAI2D 25 +#define RST_MCTL 26 +#define RST_ISP 27 +#define RST_ISP_DW 28 +#define RST_DPU 29 +#define RST_DISP 30 +#define RST_GPU 31 +#define RST_AUDIO 32 +#define RST_TIMER0 33 +#define RST_TIMER1 34 +#define RST_TIMER2 35 +#define RST_TIMER3 36 +#define RST_TIMER4 37 +#define RST_TIMER5 38 +#define RST_TIMER_APB 39 +#define RST_HDI 40 +#define RST_WDT0 41 +#define RST_WDT1 42 +#define RST_WDT0_APB 43 +#define RST_WDT1_APB 44 +#define RST_TS_APB 45 +#define RST_MAILBOX 46 +#define RST_STC 47 +#define RST_PMU 48 +#define RST_LS_APB 49 +#define RST_UART0 50 +#define RST_UART1 51 +#define RST_UART2 52 +#define RST_UART3 53 +#define RST_UART4 54 +#define RST_I2C0 55 +#define RST_I2C1 56 +#define RST_I2C2 57 +#define RST_I2C3 58 +#define RST_I2C4 59 +#define RST_JAMLINK0_APB 60 +#define RST_JAMLINK1_APB 61 +#define RST_JAMLINK2_APB 62 +#define RST_JAMLINK3_APB 63 +#define RST_CODEC_APB 64 +#define RST_GPIO_DB 65 +#define RST_GPIO_APB 66 +#define RST_ADC 67 +#define RST_ADC_APB 68 +#define RST_PWM_APB 69 +#define RST_SHRM_APB 70 +#define RST_CSI0 71 +#define RST_CSI1 72 +#define RST_CSI2 73 +#define RST_CSI_DPHY 74 +#define RST_ISP_AHB 75 +#define RST_M0 76 +#define RST_M1 77 +#define RST_M2 78 +#define RST_SPI2AXI 79 + +#endif --=20 2.49.0