From patchwork Mon Feb  7 16:26:30 2022
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Conor Dooley <conor.dooley@microchip.com>
X-Patchwork-Id: 540969
Return-Path: <linux-i2c-owner@kernel.org>
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 1D84AC3526E
 for <linux-i2c@archiver.kernel.org>; Mon,  7 Feb 2022 16:38:49 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
 id S1344687AbiBGQhL (ORCPT <rfc822;linux-i2c@archiver.kernel.org>);
 Mon, 7 Feb 2022 11:37:11 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60566 "EHLO
 lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
 with ESMTP id S1381679AbiBGQZR (ORCPT
 <rfc822;linux-i2c@vger.kernel.org>); Mon, 7 Feb 2022 11:25:17 -0500
Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com
 [68.232.154.123])
 by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E50CC0401CF;
 Mon,  7 Feb 2022 08:25:16 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple;
 d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp;
 t=1644251117; x=1675787117;
 h=from:to:cc:subject:date:message-id:in-reply-to:
 references:mime-version:content-transfer-encoding;
 bh=n2LjH9RvCOGwAWYhZSl0Qh8YBpRUu6w3nvwzlqEBYu8=;
 b=H1MS1tevyhn9yLYb3zD9PeI/3qD9j07uMh/j+ngx4jpQaIQeParMChTg
 YpAEonQ2JNVZns4GPvi/zV1xTc4uLFJwsb+mwhav/i+H/oza08VKSqAr4
 r8gcbcWRSQaCPueCTuL0JN+/5rpKNsC/24rvpbcx3phITIYw0JrvCSrg0
 HP+ZqkDmNDJ4ryUn3s5kU4CUhWz8HJu5bImrjrwPCFhoMVmRHDoSJ8wAW
 TzKx6kj+YBmAplhFtKGKNbqMiXiybEyqT8s4B/l7wGdVwcEDcaXH96u+u
 AQ0DiVubh+BurDpbpxlhnOAdFJ632ObEnHFmc3cMNi+zR7uJY7BRyGnWo w==;
IronPort-SDR: iDM2bDS1QqR+dKLczjPOMDRlybkVbNC1iWvWLT07LeHQfywiJcEgbSEZ1qfSvQpMVJphvjV3KN
 JaFGGqHdJhrbhzKKOk7bF5Lhtb37/g+ygc5fXq5aoKHv8QGpKD5GxUoNAFe7JzHXeqRAtO8a7M
 TIii0kuZrVVL6ltFK5GurzEm001PJ9JOlGsmUmCwVZwkXJBERRrMvxqOmGnoiehR93YyyunUq4
 VprOvOn179cm9tdv9TzaRIBUbQRXn7DZPT23V+6c8m6e18LcGacpfkwOHdO1yMsDV33B2o03Ze
 KhENaUAYI3StMrxCbdzfJ/mr
X-IronPort-AV: E=Sophos;i="5.88,350,1635231600"; d="scan'208";a="147873167"
Received: from smtpout.microchip.com (HELO email.microchip.com)
 ([198.175.253.82])
 by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256;
 07 Feb 2022 09:24:12 -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
 15.1.2375.17; Mon, 7 Feb 2022 09:24:11 -0700
Received: from wendy.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com
 (10.10.85.152) with Microsoft SMTP Server id 15.1.2375.17 via
 Frontend Transport; Mon, 7 Feb 2022 09:24:06 -0700
From: <conor.dooley@microchip.com>
To: <linus.walleij@linaro.org>, <brgl@bgdev.pl>, <robh+dt@kernel.org>,
 <jassisinghbrar@gmail.com>, <thierry.reding@gmail.com>,
 <u.kleine-koenig@pengutronix.de>, <lee.jones@linaro.org>,
 <a.zummo@towertech.it>, <alexandre.belloni@bootlin.com>,
 <paul.walmsley@sifive.com>, <palmer@dabbelt.com>,
 <aou@eecs.berkeley.edu>, <geert@linux-m68k.org>,
 <krzysztof.kozlowski@canonical.com>, <linux-gpio@vger.kernel.org>,
 <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
 <linux-i2c@vger.kernel.org>, <linux-pwm@vger.kernel.org>,
 <linux-rtc@vger.kernel.org>, <linux-riscv@lists.infradead.org>
CC: <bin.meng@windriver.com>, <heiko@sntech.de>,
 <lewis.hanly@microchip.com>, <conor.dooley@microchip.com>,
 <daire.mcnamara@microchip.com>, <ivan.griffin@microchip.com>,
 <atishp@rivosinc.com>, Palmer Dabbelt <palmer@rivosinc.com>
Subject: [PATCH v6 04/12] dt-bindings: rtc: add bindings for microchip mpfs rtc
Date: Mon, 7 Feb 2022 16:26:30 +0000
Message-ID: <20220207162637.1658677-5-conor.dooley@microchip.com>
X-Mailer: git-send-email 2.35.1
In-Reply-To: <20220207162637.1658677-1-conor.dooley@microchip.com>
References: <20220207162637.1658677-1-conor.dooley@microchip.com>
MIME-Version: 1.0
Precedence: bulk
List-ID: <linux-i2c.vger.kernel.org>
X-Mailing-List: linux-i2c@vger.kernel.org

From: Conor Dooley <conor.dooley@microchip.com>

Add device tree bindings for the real time clock on
the Microchip PolarFire SoC.

Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
---
 .../bindings/rtc/microchip,mfps-rtc.yaml      | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
new file mode 100644
index 000000000000..a2e984ea3553
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/microchip,mfps-rtc.yaml#
+
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip PolarFire Soc (MPFS) RTC Device Tree Bindings
+
+allOf:
+  - $ref: rtc.yaml#
+
+maintainers:
+  - Daire McNamara <daire.mcnamara@microchip.com>
+  - Lewis Hanly <lewis.hanly@microchip.com>
+
+properties:
+  compatible:
+    enum:
+      - microchip,mpfs-rtc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: |
+          RTC_WAKEUP interrupt
+      - description: |
+          RTC_MATCH, asserted when the content of the Alarm register is equal
+          to that of the RTC's count register.
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: rtc
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    rtc@20124000 {
+        compatible = "microchip,mpfs-rtc";
+        reg = <0x20124000 0x1000>;
+        clocks = <&clkcfg 21>;
+        clock-names = "rtc";
+        interrupts = <80>, <81>;
+    };
+...