162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/rtc/renesas,sh-rtc.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: Real Time Clock for Renesas SH and ARM SoCs 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Chris Brandt <chris.brandt@renesas.com> 1162306a36Sopenharmony_ci - Geert Uytterhoeven <geert+renesas@glider.be> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ciproperties: 1462306a36Sopenharmony_ci compatible: 1562306a36Sopenharmony_ci items: 1662306a36Sopenharmony_ci - const: renesas,r7s72100-rtc # RZ/A1H 1762306a36Sopenharmony_ci - const: renesas,sh-rtc 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci reg: 2062306a36Sopenharmony_ci maxItems: 1 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci interrupts: 2362306a36Sopenharmony_ci maxItems: 3 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci interrupt-names: 2662306a36Sopenharmony_ci items: 2762306a36Sopenharmony_ci - const: alarm 2862306a36Sopenharmony_ci - const: period 2962306a36Sopenharmony_ci - const: carry 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci clocks: 3262306a36Sopenharmony_ci # The functional clock source for the RTC controller must be listed 3362306a36Sopenharmony_ci # first (if it exists). Additionally, potential clock counting sources 3462306a36Sopenharmony_ci # are to be listed. 3562306a36Sopenharmony_ci minItems: 1 3662306a36Sopenharmony_ci maxItems: 4 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci clock-names: 3962306a36Sopenharmony_ci # The functional clock must be labeled as "fck". Other clocks 4062306a36Sopenharmony_ci # may be named in accordance to the SoC hardware manuals. 4162306a36Sopenharmony_ci minItems: 1 4262306a36Sopenharmony_ci maxItems: 4 4362306a36Sopenharmony_ci items: 4462306a36Sopenharmony_ci enum: [ fck, rtc_x1, rtc_x3, extal ] 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci power-domains: 4762306a36Sopenharmony_ci maxItems: 1 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_cirequired: 5062306a36Sopenharmony_ci - compatible 5162306a36Sopenharmony_ci - reg 5262306a36Sopenharmony_ci - interrupts 5362306a36Sopenharmony_ci - interrupt-names 5462306a36Sopenharmony_ci - clocks 5562306a36Sopenharmony_ci - clock-names 5662306a36Sopenharmony_ci - power-domains 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ciadditionalProperties: false 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_ciexamples: 6162306a36Sopenharmony_ci - | 6262306a36Sopenharmony_ci #include <dt-bindings/clock/r7s72100-clock.h> 6362306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/arm-gic.h> 6462306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/irq.h> 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_ci rtc: rtc@fcff1000 { 6762306a36Sopenharmony_ci compatible = "renesas,r7s72100-rtc", "renesas,sh-rtc"; 6862306a36Sopenharmony_ci reg = <0xfcff1000 0x2e>; 6962306a36Sopenharmony_ci interrupts = <GIC_SPI 276 IRQ_TYPE_EDGE_RISING>, 7062306a36Sopenharmony_ci <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>, 7162306a36Sopenharmony_ci <GIC_SPI 278 IRQ_TYPE_EDGE_RISING>; 7262306a36Sopenharmony_ci interrupt-names = "alarm", "period", "carry"; 7362306a36Sopenharmony_ci clocks = <&mstp6_clks R7S72100_CLK_RTC>, <&rtc_x1_clk>, 7462306a36Sopenharmony_ci <&rtc_x3_clk>, <&extal_clk>; 7562306a36Sopenharmony_ci power-domains = <&cpg_clocks>; 7662306a36Sopenharmony_ci clock-names = "fck", "rtc_x1", "rtc_x3", "extal"; 7762306a36Sopenharmony_ci }; 78