From patchwork Mon May 29 06:26:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13258238 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 52DDDC7EE23 for ; Mon, 29 May 2023 06:27:26 +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=BXxXEzhQ0Ed1AmBXa5O80PaIhSmJjkUjWoN642odpBo=; b=0H74wNTDfCKWsW unCfsXFmiOApdcyvXulvkeu8MOww4JsEEwH8iPHCQobwsNzoTjlcUjFZ8/kLbRXwmxXxY4ytzRyGM WdykdbldSjdAUIqcz6nlXAILyFH/OClsr1y8jXNU5L1QkdJbI6DJ/PIm6+Y4zyKtxEh3Sjltx8bCM IwbFZTYM37+fJIDk/kRCuIGCsM9Fta59SyPmWYpsYRUk/u8JJy1gQjsyGMA0Iby81/vU48QTvw8mt 8PBmI0ypQy3E7vIo2eZlc2sPl9mHJ9Iozk6h3siV4rjfqmtJ1BMMVH3uBuS07wzB2wlEep1vLnn9Y J81n2Z6seYuQxrg2iTMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q3WLP-009Nxk-1h; Mon, 29 May 2023 06:27:03 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q3WL6-009NmM-0P for linux-arm-kernel@lists.infradead.org; Mon, 29 May 2023 06:26:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1685341605; x=1716877605; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dh0EL4hNH/yV6+3G0mpHZLbVKP4ILEfFeFyXC+i3GrQ=; b=acXgYmJimovQlf6TRDTxtf3x/tHlhx2yWlyFa/oFtzSpsyaFt4I7bXj5 NoaJGHfmC5E3r+hw7HjywGmYGzAMxSIHLR0G69fM9mLFGKhgVvbyzD8gY v/VjR1DQDhXhqFRrNvq5GY78c6hHaCBNmQe0kCWafth3yG73v9our3OjD U2igxOE7GkX9cVK0IqKBYEK/plimoYLRrKtxD/3h1lEAkxkWkxx8/wtNG yUa+BTsekQZtmsckk9K5nq4JQZNOYkOEAGFAcx8QZfRfG7wbl2UlVkc/V 9PqqGZqIKOxzCh8Ea/rYL9XNOrO1LXvQWMs3yrAeeEQJ/QSJfSPJ1ySR7 Q==; X-IronPort-AV: E=Sophos;i="6.00,200,1681196400"; d="scan'208";a="215861693" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 28 May 2023 23:26:44 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) 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 15.1.2507.21; Sun, 28 May 2023 23:26:42 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Sun, 28 May 2023 23:26:37 -0700 From: Claudiu Beznea To: , , , , , , , , CC: , , , , "Claudiu Beznea" Subject: [PATCH v2 4/4] dt-bindings: timer: atmel,at91rm9200-st: convert to yaml Date: Mon, 29 May 2023 09:26:04 +0300 Message-ID: <20230529062604.1498052-5-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230529062604.1498052-1-claudiu.beznea@microchip.com> References: <20230529062604.1498052-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230528_232644_172225_8E102786 X-CRM114-Status: GOOD ( 13.92 ) 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 Microchip AT91 system timer to YAML. Signed-off-by: Claudiu Beznea Reviewed-by: Conor Dooley --- .../devicetree/bindings/arm/atmel-sysregs.txt | 9 --- .../bindings/timer/atmel,at91rm9200-st.yaml | 65 +++++++++++++++++++ 2 files changed, 65 insertions(+), 9 deletions(-) create mode 100644 Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index 54d3f586403e..68c0eacb01ac 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -4,15 +4,6 @@ Chipid required properties: - compatible: Should be "atmel,sama5d2-chipid" or "microchip,sama7g5-chipid" - reg : Should contain registers location and length -System Timer (ST) required properties: -- compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" -- reg: Should contain registers location and length -- interrupts: Should contain interrupt for the ST which is the IRQ line - shared across all System Controller members. -- clocks: phandle to input clock. -Its subnodes can be: -- watchdog: compatible should be "atmel,at91rm9200-wdt" - RAMC SDRAM/DDR Controller required properties: - compatible: Should be "atmel,at91rm9200-sdramc", "syscon" "atmel,at91sam9260-sdramc", diff --git a/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml new file mode 100644 index 000000000000..a75644e1a2fe --- /dev/null +++ b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/atmel,at91rm9200-st.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip AT91 System Timer (ST) + +maintainers: + - Nicolas Ferre + - Alexandre Belloni + - Claudiu Beznea + +description: + Microchip AT91 system timer integrates a period interval timer, a watchdog + timer and a real-time timer. + +properties: + compatible: + items: + - const: atmel,at91rm9200-st + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + interrupts: + description: + Contain interrupt for the ST which is the IRQ line shared across all + system controller members. + maxItems: 1 + + clocks: + maxItems: 1 + + watchdog: + $ref: ../watchdog/atmel,at91rm9200-wdt.yaml + description: + Child node describing watchdog. + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include + + st: timer@fffffd00 { + compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd"; + reg = <0xfffffd00 0x100>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&slow_xtal>; + + watchdog { + compatible = "atmel,at91rm9200-wdt"; + }; + }; + +...