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[91.78.220.99]) by smtp.googlemail.com with ESMTPSA id z30sm13214645lfj.63.2019.07.31.04.05.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 31 Jul 2019 04:05:54 -0700 (PDT) Subject: Re: [PATCH v7 16/20] arm64: tegra: Enable wake from deep sleep on RTC alarm To: Sowjanya Komatineni , thierry.reding@gmail.com, jonathanh@nvidia.com, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, linus.walleij@linaro.org, stefan@agner.ch, mark.rutland@arm.com Cc: pdeschrijver@nvidia.com, pgaikwad@nvidia.com, sboyd@kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, jckuo@nvidia.com, josephl@nvidia.com, talho@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, spatra@nvidia.com, robh+dt@kernel.org, devicetree@vger.kernel.org References: <1564532424-10449-1-git-send-email-skomatineni@nvidia.com> <1564532424-10449-17-git-send-email-skomatineni@nvidia.com> From: Dmitry Osipenko Message-ID: <1233ad49-22eb-a90a-d7cf-5fe133ded177@gmail.com> Date: Wed, 31 Jul 2019 14:04:58 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <1564532424-10449-17-git-send-email-skomatineni@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org 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 > --- > 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 = ; > + 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.