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Thu, 13 Feb 2025 00:30:41 -0800 (PST) Message-ID: <83a59afc-ce67-4461-bb63-d8b8078a1198@tuxon.dev> Date: Thu, 13 Feb 2025 10:30:39 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 15/15] ARM: dts: microchip: add shutdown controller and rtt timer To: Ryan.Wanner@microchip.com, lee@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, sre@kernel.org, nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, p.zabel@pengutronix.de Cc: linux@armlinux.org.uk, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org References: <709f5268da63c123cc4eee9e47875324df81c454.1739221064.git.Ryan.Wanner@microchip.com> From: Claudiu Beznea Content-Language: en-US In-Reply-To: <709f5268da63c123cc4eee9e47875324df81c454.1739221064.git.Ryan.Wanner@microchip.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, Ryan, On 10.02.2025 23:13, Ryan.Wanner@microchip.com wrote: > From: Ryan Wanner > > Add shutdown controller and rtt timer to support shutdown and wake up. Also, split it in 2 patches: 1/ add rtt timer 2/ Enable shdwc > > Signed-off-by: Ryan Wanner > --- > .../boot/dts/microchip/at91-sama7d65_curiosity.dts | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts > index 0f86360fb733a..d1d0b06fbfc43 100644 > --- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts > +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts > @@ -77,6 +77,11 @@ pinctrl_uart6_default: uart6-default { > }; > }; > > +&rtt { > + atmel,rtt-rtc-time-reg = <&gpbr 0x0>; > + status = "disabled"; Any reason for keeping this node disabled? > +}; > + > &sdmmc1 { > bus-width = <4>; > pinctrl-names = "default"; > @@ -84,6 +89,15 @@ &sdmmc1 { > status = "okay"; > }; > > +&shdwc { > + debounce-delay-us = <976>; > + status = "okay"; > + > + input@0 { > + reg = <0>; > + }; > +}; > + > &slow_xtal { > clock-frequency = <32768>; > };