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Message-Id: <20240325-rtc-yaml-v2-4-ff9f68f43dbc@gmail.com>
Date: Mon, 25 Mar 2024 22:10:11 +0100
From: Javier Carrasco <javier.carrasco.cruz@...il.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Baruch Siach <baruch@...s.co.il>
Cc: linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: [PATCH v2 4/4] dt-bindings: rtc: nxp,lpc1788-rtc: convert to
dtschema
Convert existing binding to dtschema to support validation.
This is a direct conversion with no additions.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
.../devicetree/bindings/rtc/nxp,lpc1788-rtc.txt | 21 --------
.../devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml | 60 ++++++++++++++++++++++
2 files changed, 60 insertions(+), 21 deletions(-)
diff --git a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.txt b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.txt
deleted file mode 100644
index 3c97bd180592..000000000000
--- a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-NXP LPC1788 real-time clock
-
-The LPC1788 RTC provides calendar and clock functionality
-together with periodic tick and alarm interrupt support.
-
-Required properties:
-- compatible : must contain "nxp,lpc1788-rtc"
-- reg : Specifies base physical address and size of the registers.
-- interrupts : A single interrupt specifier.
-- clocks : Must contain clock specifiers for rtc and register clock
-- clock-names : Must contain "rtc" and "reg"
- See ../clocks/clock-bindings.txt for details.
-
-Example:
-rtc: rtc@...46000 {
- compatible = "nxp,lpc1788-rtc";
- reg = <0x40046000 0x1000>;
- interrupts = <47>;
- clocks = <&creg_clk 0>, <&ccu1 CLK_CPU_BUS>;
- clock-names = "rtc", "reg";
-};
diff --git a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
new file mode 100644
index 000000000000..db900617f1e3
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/nxp,lpc1788-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP LPC1788 real-time clock
+
+description:
+ The LPC1788 RTC provides calendar and clock functionality
+ together with periodic tick and alarm interrupt support.
+
+maintainers:
+ - Javier Carrasco <javier.carrasco.cruz@...il.com>
+
+allOf:
+ - $ref: rtc.yaml#
+
+properties:
+ compatible:
+ const: nxp,lpc1788-rtc
+
+ reg:
+ description:
+ Base address and length of the register region.
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: RTC clock
+ - description: Register clock
+
+ clock-names:
+ items:
+ - const: rtc
+ - const: reg
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/lpc18xx-ccu.h>
+
+ rtc@...46000 {
+ compatible = "nxp,lpc1788-rtc";
+ reg = <0x40046000 0x1000>;
+ clocks = <&creg_clk 0>, <&ccu1 CLK_CPU_BUS>;
+ clock-names = "rtc", "reg";
+ interrupts = <47>;
+ };
--
2.40.1
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