From patchwork Wed Jun 29 12:58:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergiu Moga X-Patchwork-Id: 587691 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F224C43334 for ; Wed, 29 Jun 2022 13:01:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233525AbiF2NBo (ORCPT ); Wed, 29 Jun 2022 09:01:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233578AbiF2NBm (ORCPT ); Wed, 29 Jun 2022 09:01:42 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F76839835; Wed, 29 Jun 2022 06:01:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1656507699; x=1688043699; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=XQI/NCJ05Qj6ATNW0MliX+9pwqsKL8TzUkGsAn8/txw=; b=Wcq4GBj3YTbi1LNhZQPkv6Hf6/YF/Ys+9WxFJ2E4VrYWjev2CbS7tTYK j9lh7wZjHm9FvrcrwxqutajevztTjHFc4p/jZ09bAB24IGSZlXzURAKxw 43lJg4YaMlwy0ozK6L4MzbwnHaXYZsMp2F2yG1xsAL7+PKlxNSK92VG/R sXANjdMKpO7gSuRHNJvRIHrOUw6fOZQMlLNZRD/xF6TwPpZIEu3iaytuh grMiDHevojkTbvQNWdLKhDa5ElMe6sNmBGtRa5yxuuJrK/r7HojA79jti NGWMmtSAG5vSRwr0vnsKmjVcazAd6w/HvVh3Iq/BsqdRe2+9SnGnkhV1r A==; X-IronPort-AV: E=Sophos;i="5.92,231,1650956400"; d="scan'208";a="162577998" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 29 Jun 2022 06:01:37 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Wed, 29 Jun 2022 06:01:36 -0700 Received: from ROB-ULT-M68701.microchip.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Wed, 29 Jun 2022 06:01:32 -0700 From: Sergiu Moga To: , , , , , CC: , , , , , , "Sergiu Moga" Subject: [PATCH] dt-bindings: spi: convert spi_atmel to json-schema Date: Wed, 29 Jun 2022 15:58:04 +0300 Message-ID: <20220629125804.137099-1-sergiu.moga@microchip.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Convert SPI binding for Atmel/Microchip SoCs to Device Tree Schema format. Signed-off-by: Sergiu Moga --- .../devicetree/bindings/spi/atmel,spi.yaml | 82 +++++++++++++++++++ .../devicetree/bindings/spi/spi_atmel.txt | 36 -------- 2 files changed, 82 insertions(+), 36 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/atmel,spi.yaml delete mode 100644 Documentation/devicetree/bindings/spi/spi_atmel.txt diff --git a/Documentation/devicetree/bindings/spi/atmel,spi.yaml b/Documentation/devicetree/bindings/spi/atmel,spi.yaml new file mode 100644 index 000000000000..751618a47235 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/atmel,spi.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/atmel,spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel SPI device + +maintainers: + - Mark Brown + +allOf: + - $ref: "spi-controller.yaml#" + +properties: + compatible: + oneOf: + - items: + - const: atmel,at91rm9200-spi + - items: + - const: microchip,sam9x60-spi + - items: + - const: microchip,sam9x60-spi + - const: atmel,at91rm9200-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + cs-gpios: true + + clock-names: + description: + Tuple listing input clock names, "spi_clk" is a required element. + contains: + const: spi_clk + additionalItems: true + + clocks: + maxItems: 1 + + atmel,fifo-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Maximum number of data the RX and TX FIFOs can store for FIFO + capable SPI controllers. + +required: + - compatible + - reg + - interrupts + - clock-names + - clocks + +unevaluatedProperties: false + +examples: + - | + #include + #include + + spi1: spi@fffcc000 { + compatible = "atmel,at91rm9200-spi"; + reg = <0xfffcc000 0x4000>; + interrupts = <13 IRQ_TYPE_LEVEL_HIGH 5>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&spi1_clk>; + clock-names = "spi_clk", "str2"; + cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>; + atmel,fifo-size = <32>; + + mmc@0 { + compatible = "mmc-spi-slot"; + reg = <0>; + gpios = <&pioC 4 GPIO_ACTIVE_HIGH>; /* CD */ + spi-max-frequency = <25000000>; + }; + }; diff --git a/Documentation/devicetree/bindings/spi/spi_atmel.txt b/Documentation/devicetree/bindings/spi/spi_atmel.txt deleted file mode 100644 index 5bb4a8f1df7a..000000000000 --- a/Documentation/devicetree/bindings/spi/spi_atmel.txt +++ /dev/null @@ -1,36 +0,0 @@ -Atmel SPI device - -Required properties: -- compatible : should be "atmel,at91rm9200-spi" or "microchip,sam9x60-spi". -- reg: Address and length of the register set for the device -- interrupts: Should contain spi interrupt -- cs-gpios: chipselects (optional for SPI controller version >= 2 with the - Chip Select Active After Transfer feature). -- clock-names: tuple listing input clock names. - Required elements: "spi_clk" -- clocks: phandles to input clocks. - -Optional properties: -- atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO - capable SPI controllers. - -Example: - -spi1: spi@fffcc000 { - compatible = "atmel,at91rm9200-spi"; - reg = <0xfffcc000 0x4000>; - interrupts = <13 4 5>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&spi1_clk>; - clock-names = "spi_clk"; - cs-gpios = <&pioB 3 0>; - atmel,fifo-size = <32>; - - mmc-slot@0 { - compatible = "mmc-spi-slot"; - reg = <0>; - gpios = <&pioC 4 0>; /* CD */ - spi-max-frequency = <25000000>; - }; -};