From mboxrd@z Thu Jan 1 00:00:00 1970 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 EA382CA0FED for ; Wed, 10 Sep 2025 10:18:36 +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=7614dII/N6Or9tnfidRcCuRspq0dXcTbn80Rr0UzXZY=; b=eQ6YHW+wyCcq6q meBFXs+B7604VzQr1aBvt7XsE6MzUf72jXIxeSAxBHAT0H/xD0tUW69m6DQlVsRjmgjZySbzz5Eyp +c7Ck6FDwkI/ew4PnLenUg6MAU6IZoVYLLs92E51GlsuyqmVC8QvzTpDOSe9JZ2zpMTj2Ck+aJeD/ pJKvoyp+E6abeuisG4YJSE369j75oGWL0pPG+Cwhzvd5MI/3OV0m+uW+vnVly+bUvvM6obQ3rGhQH Te8eEP3ciXAPCdhsRYa3VyzfRzB1uU8As6W1aqHoYWJbbMyrKxKZzEycUR+l0UlFq6Z3dXhZLyPXF XGH4MmtqQnRiQSyPpC/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uwHuI-0000000DTJA-2Q5X; Wed, 10 Sep 2025 10:18:30 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uwHuG-0000000DTHO-3Ul2 for linux-amlogic@lists.infradead.org; Wed, 10 Sep 2025 10:18:28 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id D3B726024B; Wed, 10 Sep 2025 10:18:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 6C266C4CEFA; Wed, 10 Sep 2025 10:18:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757499507; bh=9kBKm/gBv1uCgD5lsyQqPzoNEJYvhKjrD6QZgPZrqv8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=BSyxEkA9PaMnV1P32W9Fp5GJ+q6F9VGL7d1lrOtCPkUUkOp9OIgNfk2GE8jAgK/EH 6BM6cKrGB+GXctl7n40ILhUMATt2B/W3lYq+qLech5lLxGeE3FzOAUQ1e/Qd8mu+fN h1+TPoTHvK9LsyAsbotsS3JIwdOS7B0G1TXDGDcctdY8f29DHRT8DaZu283eRYVFPO kF3CZzdSAAlXxmUQ+EP3pahuGa13kSMVapPRbPXlT3eYMqQIYbgAGmvXKmpJhPZgXO Ng0cX/SsAxrVdifuCozkNJd4aMBJHSws38Fg+DvinGS+H7XlYcfbdImZ8lbdI4R5/3 q4t2W8P/Nrc9w== 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 5C216CA101F; Wed, 10 Sep 2025 10:18:27 +0000 (UTC) From: Xianwei Zhao via B4 Relay Date: Wed, 10 Sep 2025 18:18:25 +0800 Subject: [PATCH v6 1/3] spi: dt-bindings: add Amlogic A113L2 SFC MIME-Version: 1.0 Message-Id: <20250910-spifc-v6-1-1574aa9baebd@amlogic.com> References: <20250910-spifc-v6-0-1574aa9baebd@amlogic.com> In-Reply-To: <20250910-spifc-v6-0-1574aa9baebd@amlogic.com> To: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liang Yang , Feng Chen Cc: linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, Xianwei Zhao , Conor Dooley X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1757499505; l=2921; i=xianwei.zhao@amlogic.com; s=20231208; h=from:subject:message-id; bh=IJXxGvCCcnhjW/q7lyLw0FtfCEtHZHIRbIAcYUb/Pz0=; b=aVeB7shp9ZA+zOxEY/+WV5QBkdEAFexSiLKuwmFVn4DErPEy6WYkzKYTOeQ3ti3yoy0fot4kv bfuofVnJWTFB94QsDSzgzJwUr659N01L2vQgk/Uxa4Q0uP+HxagC5t8 X-Developer-Key: i=xianwei.zhao@amlogic.com; a=ed25519; pk=o4fDH8ZXL6xQg5h17eNzRljf6pwZHWWjqcOSsj3dW24= X-Endpoint-Received: by B4 Relay for xianwei.zhao@amlogic.com/20231208 with auth_id=107 X-Original-From: Xianwei Zhao X-BeenThere: linux-amlogic@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: xianwei.zhao@amlogic.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org From: Feng Chen The Flash Controller is derived by adding an SPI path to the original raw NAND controller. This controller supports two modes: raw mode and SPI mode. The raw mode has already been implemented in the community, and the SPI mode is described here. Add bindings for Amlogic A113L2 SPI Flash Controller. Signed-off-by: Feng Chen Reviewed-by: Conor Dooley Signed-off-by: Xianwei Zhao --- .../devicetree/bindings/spi/amlogic,a4-spifc.yaml | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/amlogic,a4-spifc.yaml b/Documentation/devicetree/bindings/spi/amlogic,a4-spifc.yaml new file mode 100644 index 000000000000..b4cef838bcd4 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/amlogic,a4-spifc.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2025 Amlogic, Inc. All rights reserved +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/amlogic,a4-spifc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SPI flash controller for Amlogic ARM SoCs + +maintainers: + - Liang Yang + - Feng Chen + - Xianwei Zhao + +description: + The Amlogic SPI flash controller is an extended version of the Amlogic NAND + flash controller. It supports SPI Nor Flash and SPI NAND Flash(where the Host + ECC HW engine could be enabled). + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + +properties: + compatible: + const: amlogic,a4-spifc + + reg: + maxItems: 1 + + clocks: + items: + - description: clock apb gate + - description: clock used for the controller + + clock-names: + items: + - const: gate + - const: core + + interrupts: + maxItems: 1 + + amlogic,rx-adj: + description: + Number of clock cycles by which sampling is delayed. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + +required: + - compatible + - reg + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + sfc0: spi@fe08d000 { + compatible = "amlogic,a4-spifc"; + reg = <0xfe08d000 0x800>; + clocks = <&clkc_periphs 31>, + <&clkc_periphs 102>; + clock-names = "gate", "core"; + + pinctrl-0 = <&spiflash_default>; + pinctrl-names = "default"; + + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "spi-nand"; + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + nand-ecc-engine = <&sfc0>; + nand-ecc-strength = <8>; + nand-ecc-step-size = <512>; + }; + }; -- 2.37.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic