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| author | Baolin Wang <baolin.wang@spreadtrum.com> | 2017-11-09 11:34:16 +0800 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-11-15 17:00:03 +0100 |
| commit | 8f6596f4c94a155b93a809989314e5e8c01d0618 (patch) | |
| tree | 8de831c46a8b10bb680dacf433f5627731e83144 /Documentation/devicetree/bindings/rtc | |
| parent | eaa1dc7ba18db14842fbee9c57e71d28ae1c407d (diff) | |
| download | linux-8f6596f4c94a155b93a809989314e5e8c01d0618.tar.bz2 | |
dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentation
This patch adds the binding documentation for Spreadtrum SC27xx series
RTC device.
Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'Documentation/devicetree/bindings/rtc')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt b/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt new file mode 100644 index 000000000000..7c170da0d4b7 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt @@ -0,0 +1,27 @@ +Spreadtrum SC27xx Real Time Clock + +Required properties: +- compatible: should be "sprd,sc2731-rtc". +- reg: address offset of rtc register. +- interrupt-parent: phandle for the interrupt controller. +- interrupts: rtc alarm interrupt. + +Example: + + sc2731_pmic: pmic@0 { + compatible = "sprd,sc2731"; + reg = <0>; + spi-max-frequency = <26000000>; + interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + + rtc@280 { + compatible = "sprd,sc2731-rtc"; + reg = <0x280>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; + }; + }; |