[v3,1/6] dt-bindings: rtc: Add ST m41t93

Message ID	b1b1f7abde8a4ee8b625361bca32934679bf1e1a.1758379856.git.akhilesh@ee.iitb.ac.in
State	Accepted
Headers	show Return-Path: <linux-rtc+bounces-4996-incoming=patchwork.ozlabs.org@vger.kernel.org> spamassassin: 3.4.1. mhr: 1.0. {clamdscan: 0.101.4/26439} Clear:RC:1(10.200.1.25):SA:0(0.0/7.0):. Processed in 3.357098 secs; 20 Sep 2025 20:31:33 +0530 sender: akhilesh) by bhairav.ee.iitb.ac.in (Postfix) with ESMTPSA id 2CF011E814BD; Sat, 20 Sep 2025 20:31:29 +0530 (IST) Date: Sat, 20 Sep 2025 20:31:24 +0530 From: Akhilesh Patil <akhilesh@ee.iitb.ac.in> To: alexandre.belloni@bootlin.com, krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org Cc: skhan@linuxfoundation.org, linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, akhileshpatilvnit@gmail.com Subject: [PATCH v3 1/6] dt-bindings: rtc: Add ST m41t93 Message-ID: <b1b1f7abde8a4ee8b625361bca32934679bf1e1a.1758379856.git.akhilesh@ee.iitb.ac.in> References: <cover.1758379856.git.akhilesh@ee.iitb.ac.in> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <cover.1758379856.git.akhilesh@ee.iitb.ac.in>
Series	rtc: m41t93: add new features alarm, clock out, watchdog \| expand [v3,0/6] rtc: m41t93: add new features alarm, clock out, watchdog [v3,1/6] dt-bindings: rtc: Add ST m41t93 [v3,2/6] rtc: m41t93: add device tree support [v3,3/6] rtc: m41t93: migrate to regmap api for register access [v3,4/6] rtc: m41t93: Add alarm support [v3,5/6] rtc: m41t93: Add square wave clock provider support [v3,6/6] rtc: m41t93: Add watchdog support

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b1b1f7abde8a4ee8b625361bca32934679bf1e1a.1758379856.git.akhilesh@ee.iitb.ac.in

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Date: Sat, 20 Sep 2025 20:31:24 +0530
From: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
To: alexandre.belloni@bootlin.com, krzk+dt@kernel.org, robh@kernel.org,
	conor+dt@kernel.org
Cc: skhan@linuxfoundation.org, linux-rtc@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	akhileshpatilvnit@gmail.com
Subject: [PATCH v3 1/6] dt-bindings: rtc: Add ST m41t93
Message-ID: 
 <b1b1f7abde8a4ee8b625361bca32934679bf1e1a.1758379856.git.akhilesh@ee.iitb.ac.in>
References: <cover.1758379856.git.akhilesh@ee.iitb.ac.in>
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Series

rtc: m41t93: add new features alarm, clock out, watchdog | expand

Commit Message

Akhilesh Patil Sept. 20, 2025, 3:01 p.m. UTC

Document DT bindings for m41t93 rtc which supports time, date,
alarm, watchdog, square wave clock output provider, user sram
and 8 bit timer.

Signed-off-by: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
---
 .../devicetree/bindings/rtc/st,m41t93.yaml    | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/st,m41t93.yaml

Comments

Rob Herring Sept. 22, 2025, 8:27 p.m. UTC | #1

On Sat, 20 Sep 2025 20:31:24 +0530, Akhilesh Patil wrote:
> Document DT bindings for m41t93 rtc which supports time, date,
> alarm, watchdog, square wave clock output provider, user sram
> and 8 bit timer.
> 
> Signed-off-by: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
> ---
>  .../devicetree/bindings/rtc/st,m41t93.yaml    | 50 +++++++++++++++++++
>  1 file changed, 50 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rtc/st,m41t93.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/rtc/st,m41t93.yaml b/Documentation/devicetree/bindings/rtc/st,m41t93.yaml
new file mode 100644
index 000000000000..bdd995c5c1f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/st,m41t93.yaml
@@ -0,0 +1,50 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/st,m41t93.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ST M41T93 RTC and compatible
+
+maintainers:
+  - Akhilesh Patil <akhilesh@ee.iitb.ac.in>
+
+description:
+  ST M41T93 is spi based Real Time Clock (RTC) with time, date,
+  alarm, watchdog, square wave clock output, 8 bit timer and
+  7 bytes of user SRAM.
+
+properties:
+  compatible:
+    enum:
+      - st,m41t93
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: rtc.yaml
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      rtc@0 {
+        compatible = "st,m41t93";
+        reg = <0>;
+        #clock-cells = <0>;
+        spi-max-frequency = <2000000>;
+      };
+    };
+

[v3,1/6] dt-bindings: rtc: Add ST m41t93

Commit Message

Comments

Patch