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Message-Id: <20190823145356.6341-7-krzk@kernel.org>
Date: Fri, 23 Aug 2019 16:53:54 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Krzysztof Kozlowski <krzk@...nel.org>,
Jonathan Cameron <jic23@...nel.org>,
Hartmut Knaack <knaack.h@....de>,
Lars-Peter Clausen <lars@...afoo.de>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-iio@...r.kernel.org, linux-rtc@...r.kernel.org
Cc: notify@...nel.org, Arnd Bergmann <arnd@...db.de>,
Olof Johansson <olof@...om.net>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Tomasz Figa <tomasz.figa@...il.com>
Subject: [RFC 7/9] dt-bindings: rtc: s3c: Convert S3C/Exynos RTC bindings to json-schema
Convert Samsung S3C/Exynos Real Time Clock bindings to DT schema format
using json-schema.
Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
.../devicetree/bindings/rtc/s3c-rtc.txt | 31 ------
.../devicetree/bindings/rtc/s3c-rtc.yaml | 95 +++++++++++++++++++
2 files changed, 95 insertions(+), 31 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/rtc/s3c-rtc.txt
create mode 100644 Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
deleted file mode 100644
index fdde63a5419c..000000000000
--- a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-* Samsung's S3C Real Time Clock controller
-
-Required properties:
-- compatible: should be one of the following.
- * "samsung,s3c2410-rtc" - for controllers compatible with s3c2410 rtc.
- * "samsung,s3c2416-rtc" - for controllers compatible with s3c2416 rtc.
- * "samsung,s3c2443-rtc" - for controllers compatible with s3c2443 rtc.
- * "samsung,s3c6410-rtc" - for controllers compatible with s3c6410 rtc.
- * "samsung,exynos3250-rtc" - (deprecated) for controllers compatible with
- exynos3250 rtc (use "samsung,s3c6410-rtc").
-- reg: physical base address of the controller and length of memory mapped
- region.
-- interrupts: Two interrupt numbers to the cpu should be specified. First
- interrupt number is the rtc alarm interrupt and second interrupt number
- is the rtc tick interrupt. The number of cells representing a interrupt
- depends on the parent interrupt controller.
-- clocks: Must contain a list of phandle and clock specifier for the rtc
- clock and in the case of a s3c6410 compatible controller, also
- a source clock.
-- clock-names: Must contain "rtc" and for a s3c6410 compatible controller,
- a "rtc_src" sorted in the same order as the clocks property.
-
-Example:
-
- rtc@...70000 {
- compatible = "samsung,s3c6410-rtc";
- reg = <0x10070000 0x100>;
- interrupts = <44 0 45 0>;
- clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>;
- clock-names = "rtc", "rtc_src";
- };
diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
new file mode 100644
index 000000000000..44b021812a83
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/s3c-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S3C, S5P and Exynos Real Time Clock controller
+
+maintainers:
+ - Krzysztof Kozlowski <krzk@...nel.org>
+
+# Select also deprecated compatibles (for finding deprecate usage)
+select:
+ properties:
+ compatible:
+ items:
+ - enum:
+ - samsung,s3c2410-rtc
+ - samsung,s3c2416-rtc
+ - samsung,s3c2443-rtc
+ - samsung,s3c6410-rtc
+ # Deprecated, use samsung,s3c6410-rtc
+ - samsung,exynos3250-rtc
+ required:
+ - compatible
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - samsung,s3c2410-rtc
+ - samsung,s3c2416-rtc
+ - samsung,s3c2443-rtc
+ - samsung,s3c6410-rtc
+ reg:
+ maxItems: 1
+
+ clocks:
+ description:
+ Must contain a list of phandle and clock specifier for the rtc
+ clock and in the case of a s3c6410 compatible controller, also
+ a source clock.
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ description:
+ Must contain "rtc" and for a s3c6410 compatible controller,
+ a "rtc_src" sorted in the same order as the clocks property.
+ oneOf:
+ - items:
+ - const: rtc
+ - items:
+ # TODO: This can be in any order matching clocks, how to express it?
+ - const: rtc
+ - const: rtc_src
+
+ interrupts:
+ description:
+ Two interrupt numbers to the cpu should be specified. First
+ interrupt number is the rtc alarm interrupt and second interrupt number
+ is the rtc tick interrupt. The number of cells representing a interrupt
+ depends on the parent interrupt controller.
+ minItems: 2
+ maxItems: 2
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - samsung,s3c6410-rtc
+ - samsung,exynos3250-rtc
+
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ maxItems: 2
+ clock-names:
+ items:
+ - const: rtc
+ - const: rtc_src
+
+examples:
+ - |
+ rtc@...70000 {
+ compatible = "samsung,s3c6410-rtc";
+ reg = <0x10070000 0x100>;
+ interrupts = <0 44 4>, <0 45 4>;
+ clocks = <&clock 0>, // CLK_RTC
+ <&s2mps11_osc 0>; // S2MPS11_CLK_AP
+ clock-names = "rtc", "rtc_src";
+ };
--
2.17.1
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