| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/rtc/renesas,sh-rtc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Real Time Clock for Renesas SH and ARM SoCs |
| 8 | |
| 9 | maintainers: |
| 10 | - Chris Brandt <chris.brandt@renesas.com> |
| 11 | - Geert Uytterhoeven <geert+renesas@glider.be> |
| 12 | |
| 13 | properties: |
| 14 | compatible: |
| 15 | items: |
| 16 | - const: renesas,r7s72100-rtc # RZ/A1H |
| 17 | - const: renesas,sh-rtc |
| 18 | |
| 19 | reg: |
| 20 | maxItems: 1 |
| 21 | |
| 22 | interrupts: |
| 23 | maxItems: 3 |
| 24 | |
| 25 | interrupt-names: |
| 26 | items: |
| 27 | - const: alarm |
| 28 | - const: period |
| 29 | - const: carry |
| 30 | |
| 31 | clocks: |
| 32 | # The functional clock source for the RTC controller must be listed |
| 33 | # first (if it exists). Additionally, potential clock counting sources |
| 34 | # are to be listed. |
| 35 | minItems: 1 |
| 36 | maxItems: 4 |
| 37 | |
| 38 | clock-names: |
| 39 | # The functional clock must be labeled as "fck". Other clocks |
| 40 | # may be named in accordance to the SoC hardware manuals. |
| 41 | minItems: 1 |
| 42 | maxItems: 4 |
| 43 | items: |
| 44 | enum: [ fck, rtc_x1, rtc_x3, extal ] |
| 45 | |
| 46 | power-domains: |
| 47 | maxItems: 1 |
| 48 | |
| 49 | required: |
| 50 | - compatible |
| 51 | - reg |
| 52 | - interrupts |
| 53 | - interrupt-names |
| 54 | - clocks |
| 55 | - clock-names |
| 56 | - power-domains |
| 57 | |
| 58 | additionalProperties: false |
| 59 | |
| 60 | examples: |
| 61 | - | |
| 62 | #include <dt-bindings/clock/r7s72100-clock.h> |
| 63 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 64 | #include <dt-bindings/interrupt-controller/irq.h> |
| 65 | |
| 66 | rtc: rtc@fcff1000 { |
| 67 | compatible = "renesas,r7s72100-rtc", "renesas,sh-rtc"; |
| 68 | reg = <0xfcff1000 0x2e>; |
| 69 | interrupts = <GIC_SPI 276 IRQ_TYPE_EDGE_RISING>, |
| 70 | <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>, |
| 71 | <GIC_SPI 278 IRQ_TYPE_EDGE_RISING>; |
| 72 | interrupt-names = "alarm", "period", "carry"; |
| 73 | clocks = <&mstp6_clks R7S72100_CLK_RTC>, <&rtc_x1_clk>, |
| 74 | <&rtc_x3_clk>, <&extal_clk>; |
| 75 | power-domains = <&cpg_clocks>; |
| 76 | clock-names = "fck", "rtc_x1", "rtc_x3", "extal"; |
| 77 | }; |