| # 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 |
| |
| additionalProperties: false |
| |
| 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"; |
| }; |
