diff --git a/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml new file mode 100644 index 0000000000000000000000000000000000000000..dcff573cbdb1a56fab8a447b4ba18c8d42d0976f --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml @@ -0,0 +1,70 @@ +# 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"; + }; diff --git a/Documentation/devicetree/bindings/rtc/rtc-sh.txt b/Documentation/devicetree/bindings/rtc/rtc-sh.txt deleted file mode 100644 index 7676c7d2887403733965bac7c234e0665a2216c7..0000000000000000000000000000000000000000 --- a/Documentation/devicetree/bindings/rtc/rtc-sh.txt +++ /dev/null @@ -1,28 +0,0 @@ -* Real Time Clock for Renesas SH and ARM SoCs - -Required properties: -- compatible: Should be "renesas,r7s72100-rtc" and "renesas,sh-rtc" as a - fallback. -- reg: physical base address and length of memory mapped region. -- interrupts: 3 interrupts for alarm, period, and carry. -- interrupt-names: The interrupts should be labeled as "alarm", "period", and - "carry". -- clocks: The functional clock source for the RTC controller must be listed - first (if exists). Additionally, potential clock counting sources are to be - listed. -- clock-names: The functional clock must be labeled as "fck". Other clocks - may be named in accordance to the SoC hardware manuals. - - -Example: -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"; -};