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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml | 77 |
1 files changed, 77 insertions, 0 deletions
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 000000000..eff9df4b8 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml @@ -0,0 +1,77 @@ +# 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 ] + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - power-domains + +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>; + power-domains = <&cpg_clocks>; + clock-names = "fck", "rtc_x1", "rtc_x3", "extal"; + }; |