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SubjectRe: [PATCH v7 16/20] arm64: tegra: Enable wake from deep sleep on RTC alarm
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31.07.2019 3:20, Sowjanya Komatineni пишет:
> This patch updates device tree for RTC and PMC to allow system wake
> from deep sleep on RTC alarm.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> ---
> arch/arm64/boot/dts/nvidia/tegra210.dtsi | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> index 659753118e96..30a7c48385a2 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> @@ -768,7 +768,8 @@
> rtc@7000e000 {
> compatible = "nvidia,tegra210-rtc", "nvidia,tegra20-rtc";
> reg = <0x0 0x7000e000 0x0 0x100>;
> - interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
> + interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-parent = <&pmc>;
> clocks = <&tegra_car TEGRA210_CLK_RTC>;
> clock-names = "rtc";
> };
> @@ -778,6 +779,8 @@
> reg = <0x0 0x7000e400 0x0 0x400>;
> clocks = <&tegra_car TEGRA210_CLK_PCLK>, <&clk32k_in>;
> clock-names = "pclk", "clk32k_in";
> + #interrupt-cells = <2>;
> + interrupt-controller;
>
> powergates {
> pd_audio: aud {
>

Is this a backwards-compatible change? Or it's not really worth to care
about the compatibility with older kernel versions, I'm not sure about
overall state of T210 in the upstream kernel.

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