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authorSimon Horman <horms+renesas@verge.net.au>2019-09-23 15:14:04 +0300
committerRob Herring <robh@kernel.org>2019-10-11 00:40:08 +0300
commit7ae8b2f5dfb357f0627aa5952c7d36cadafc408c (patch)
tree313c5011f1b66b5e4207caae9bd203f494fcbd27 /Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml
parent99e0b62152fafb37952ea88fcb2198efb1b6476b (diff)
downloadlinux-7ae8b2f5dfb357f0627aa5952c7d36cadafc408c.tar.xz
dt-bindings: rtc: rtc-sh: convert bindings to json-schema
Convert Real Time Clock for Renesas SH and ARM SoCs bindings documentation to json-schema. Also name bindings documentation file according to the compat string being documented. Also correct syntax error in interrupts field in example. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml')
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diff --git a/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/renesas,sh-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Real Time Clock for Renesas SH and ARM SoCs
+
+maintainers:
+ - Chris Brandt <chris.brandt@renesas.com>
+ - Geert Uytterhoeven <geert+renesas@glider.be>
+
+properties:
+ compatible:
+ items:
+ - const: renesas,r7s72100-rtc # RZ/A1H
+ - const: renesas,sh-rtc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 3
+
+ interrupt-names:
+ items:
+ - const: alarm
+ - const: period
+ - const: carry
+
+ clocks:
+ # The functional clock source for the RTC controller must be listed
+ # first (if it exists). Additionally, potential clock counting sources
+ # are to be listed.
+ minItems: 1
+ maxItems: 4
+
+ clock-names:
+ # The functional clock must be labeled as "fck". Other clocks
+ # may be named in accordance to the SoC hardware manuals.
+ minItems: 1
+ maxItems: 4
+ items:
+ enum: [ fck, rtc_x1, rtc_x3, extal ]
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/r7s72100-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ rtc: rtc@fcff1000 {
+ compatible = "renesas,r7s72100-rtc", "renesas,sh-rtc";
+ reg = <0xfcff1000 0x2e>;
+ interrupts = <GIC_SPI 276 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 278 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "alarm", "period", "carry";
+ clocks = <&mstp6_clks R7S72100_CLK_RTC>, <&rtc_x1_clk>,
+ <&rtc_x3_clk>, <&extal_clk>;
+ clock-names = "fck", "rtc_x1", "rtc_x3", "extal";
+ };