From patchwork Mon May 9 08:49:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kavyasree Kotagiri X-Patchwork-Id: 12843180 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 E1AE4C433EF for ; Mon, 9 May 2022 08:51:01 +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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=7A8rZPVpZzcc0UQwiUd2DZf0PPv4y6ovbXeJPxILyb0=; b=ERC3TqF4/EFU1/ su33rjZgmklj9NDpwq0ceeW40770rLNE2S++5FPs/P+DTlAwEh2Ir7AlkAUgQ6Bsq1BwbRdxds/d4 vMz7OKkakiCNGr92THvNAccU+L5+L6Pj+A8HtI5SPlz2y3eIfeGBSKl2TsGDk+4slZF60goZsJq4c ui3dWda15rrxgiI/A+oOt9bmtanSo7k8PEPdlUUUaIyIjq/a35Qrut1WBOQFHQkSTuOs3siojKNXO GmKO6aOyOO4ZcLO4OhGnCTHQGuwyDU839u822Yh+7zmjITWpZoDhFJAJyzDxeK6i0r4qslpzuaG4b DtwLEfgEFSSxXmp5Henw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnz5S-00DDEk-Aq; Mon, 09 May 2022 08:49:51 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnz5E-00DD8K-7g for linux-arm-kernel@lists.infradead.org; Mon, 09 May 2022 08:49:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1652086175; x=1683622175; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=6lCNDnYJkosgYLV0xK1CqQWOhk+Z+YnHv527i+VzDNc=; b=Ki7RJTVEOmepcsCr07bt1kixKXZ4EKjEsaReSod9Z2MWJwtatB9qmNYI mruN1lzT0dSyQL5LRy5dfD/ZQZI8fgvSEDw4MWIJ5GnmdQ5GMAFNoraSu i58QC/8ggESgBG75HLWfHHib7YQTMmShHpO4iB3Svgmgj/mQttolZA+MR v0B1A+ShjBNE7PGSdbXqOPBFA+nGoVf9X+WFRhKoG9+JF+eedAYtm3t/7 cIEZd6ULpW/GRNCZ5MXnkkSQM0fC6x1hf3P3nz+mpHuynX2y/7aFkGbjk LpL8TVzJl7Um4JeaYbLEnDHqX2VfqhExUtZjCVK2qkKCkIrL8ajBqW/Up g==; X-IronPort-AV: E=Sophos;i="5.91,210,1647327600"; d="scan'208";a="163212300" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 09 May 2022 01:49:34 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Mon, 9 May 2022 01:49:34 -0700 Received: from kavya-HP-Compaq-6000-Pro-SFF-PC.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Mon, 9 May 2022 01:49:29 -0700 From: Kavyasree Kotagiri To: , , , , CC: , , , , , , , Subject: [PATCH v2 1/4] dt-bindings: mfd: atmel, flexcom: Convert to json-schema Date: Mon, 9 May 2022 14:19:17 +0530 Message-ID: <20220509084920.14529-2-kavyasree.kotagiri@microchip.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220509084920.14529-1-kavyasree.kotagiri@microchip.com> References: <20220509084920.14529-1-kavyasree.kotagiri@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220509_014936_338556_29F3628C X-CRM114-Status: GOOD ( 17.76 ) 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 Convert the Atmel flexcom device tree bindings to json schema. Signed-off-by: Kavyasree Kotagiri --- .../bindings/mfd/atmel,flexcom.yaml | 92 +++++++++++++++++++ .../devicetree/bindings/mfd/atmel-flexcom.txt | 63 ------------- 2 files changed, 92 insertions(+), 63 deletions(-) create mode 100644 Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml delete mode 100644 Documentation/devicetree/bindings/mfd/atmel-flexcom.txt diff --git a/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml b/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml new file mode 100644 index 000000000000..79ec7ebc7055 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/atmel,flexcom.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Device tree bindings for Atmel Flexcom (Flexible Serial Communication Unit) + +maintainers: + - Kavyasree Kotagiri + +description: + The Atmel Flexcom is just a wrapper which embeds a SPI controller, + an I2C controller and an USART. Only one function can be used at a + time and is chosen at boot time according to the device tree. + +properties: + compatible: + const: atmel,sama5d2-flexcom + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: + description: + One range for the full I/O register region. (including USART, + TWI and SPI registers). + items: + maxItems: 3 + + atmel,flexcom-mode: + description: | + Specifies the flexcom mode as follows: + 1: USART + 2: SPI + 3: I2C. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3] + +required: + - compatible + - reg + - clocks + - "#address-cells" + - "#size-cells" + - ranges + - atmel,flexcom-mode + +additionalProperties: false + +patternProperties: + "^serial@[0-9a-f]+$": + description: See atmel-usart.txt for details of USART bindings. + "^spi@[0-9a-f]+$": + description: See ../spi/spi_atmel.txt for details of SPI bindings. + "^i2c@[0-9a-f]+$": + description: See ../i2c/i2c-at91.txt for details of I2C bindings. + +examples: + - | + flx0: flexcom@f8034000 { + compatible = "atmel,sama5d2-flexcom"; + reg = <0xf8034000 0x200>; + clocks = <&flx0_clk>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0xf8034000 0x800>; + atmel,flexcom-mode = <2>; + + spi0: spi@400 { + compatible = "atmel,at91rm9200-spi"; + reg = <0x400 0x200>; + interrupts = <19 4 7>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flx0_default>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&flx0_clk>; + clock-names = "spi_clk"; + atmel,fifo-size = <32>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt b/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt deleted file mode 100644 index 692300117c64..000000000000 --- a/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt +++ /dev/null @@ -1,63 +0,0 @@ -* Device tree bindings for Atmel Flexcom (Flexible Serial Communication Unit) - -The Atmel Flexcom is just a wrapper which embeds a SPI controller, an I2C -controller and an USART. Only one function can be used at a time and is chosen -at boot time according to the device tree. - -Required properties: -- compatible: Should be "atmel,sama5d2-flexcom" -- reg: Should be the offset/length value for Flexcom dedicated - I/O registers (without USART, TWI or SPI registers). -- clocks: Should be the Flexcom peripheral clock from PMC. -- #address-cells: Should be <1> -- #size-cells: Should be <1> -- ranges: Should be one range for the full I/O register region - (including USART, TWI and SPI registers). -- atmel,flexcom-mode: Should be one of the following values: - - <1> for USART - - <2> for SPI - - <3> for I2C - -Required child: -A single available child device of type matching the "atmel,flexcom-mode" -property. - -The phandle provided by the clocks property of the child is the same as one for -the Flexcom parent. - -For other properties, please refer to the documentations of the respective -device: -- ../serial/atmel-usart.txt -- ../spi/spi_atmel.txt -- ../i2c/i2c-at91.txt - -Example: - -flexcom@f8034000 { - compatible = "atmel,sama5d2-flexcom"; - reg = <0xf8034000 0x200>; - clocks = <&flx0_clk>; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0x0 0xf8034000 0x800>; - atmel,flexcom-mode = <2>; - - spi@400 { - compatible = "atmel,at91rm9200-spi"; - reg = <0x400 0x200>; - interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_flx0_default>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&flx0_clk>; - clock-names = "spi_clk"; - atmel,fifo-size = <32>; - - mtd_dataflash@0 { - compatible = "atmel,at25f512b"; - reg = <0>; - spi-max-frequency = <20000000>; - }; - }; -};