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| author |   Martin Blumenstingl <martin.blumenstingl@googlemail.com> | 2019-04-13 18:34:21 +0200 |
|---|---|---|
| committer |   Kevin Hilman <khilman@baylibre.com> | 2019-04-16 11:57:48 -0700 |
| commit | f6eb973db22ab5636cfcdabe171d4b753525de4e (patch) | |
| tree | 1f4d1ecf57d40ed9f33e64b6030985186faebdf5 | |
| parent | ARM: dts: meson8b: odroidc1: add the GPIO line names (diff) | |
| download | linux-dev-f6eb973db22ab5636cfcdabe171d4b753525de4e.tar.xz linux-dev-f6eb973db22ab5636cfcdabe171d4b753525de4e.zip | |
ARM: dts: meson: add support for the RTC
The 32-bit Meson SoCs have an RTC block in the AO (always on) area. The
RTC requires an external 32.768 kHz oscillator to work properly. Whether
or not this crystal exists depends on the board, so it has to be added
for each board.dts (instead of adding it somewhere in a generic .dtsi).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
| -rw-r--r-- | arch/arm/boot/dts/meson.dtsi | 9 | ||||
| -rw-r--r-- | arch/arm/boot/dts/meson8.dtsi | 5 | ||||
| -rw-r--r-- | arch/arm/boot/dts/meson8b.dtsi | 5 |
3 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi index 6f54a8897574..8841783aceec 100644 --- a/arch/arm/boot/dts/meson.dtsi +++ b/arch/arm/boot/dts/meson.dtsi @@ -252,6 +252,15 @@ #size-cells = <0>; status = "disabled"; }; + + rtc: rtc@740 { + compatible = "amlogic,meson6-rtc"; + reg = <0x740 0x14>; + interrupts = <GIC_SPI 72 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <1>; + status = "disabled"; + }; }; usb0: usb@c9040000 { diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi index d2ec4af82cc5..7ef442462ea4 100644 --- a/arch/arm/boot/dts/meson8.dtsi +++ b/arch/arm/boot/dts/meson8.dtsi @@ -541,6 +541,11 @@ compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm"; }; +&rtc { + compatible = "amlogic,meson8-rtc"; + resets = <&reset RESET_RTC>; +}; + &saradc { compatible = "amlogic,meson8-saradc", "amlogic,meson-saradc"; clocks = <&clkc CLKID_XTAL>, diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi index df42e48f1cc1..800cd65fc50a 100644 --- a/arch/arm/boot/dts/meson8b.dtsi +++ b/arch/arm/boot/dts/meson8b.dtsi @@ -510,6 +510,11 @@ compatible = "amlogic,meson8b-pwm"; }; +&rtc { + compatible = "amlogic,meson8b-rtc"; + resets = <&reset RESET_RTC>; +}; + &saradc { compatible = "amlogic,meson8b-saradc", "amlogic,meson-saradc"; clocks = <&clkc CLKID_XTAL>, |