linux-kernel - [PATCH 2/2] ARM: dts: am335x-icev2: Add system-power-controller to RTC node

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Date:   Mon, 18 Oct 2021 15:00:20 -0700
From:   Drew Fustini <dfustini@...libre.com>
To:     Dave Gerlach <d-gerlach@...com>, Keerthy <j-keerthy@...com>,
        Johan Hovold <johan@...nel.org>,
        Jason Kridner <jkridner@...gleboard.org>,
        Benoit Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>, linux-omap@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Drew Fustini <dfustini@...libre.com>
Subject: [PATCH 2/2] ARM: dts: am335x-icev2: Add system-power-controller to RTC node

On the am335x-icev2 board [1], AM3359 PMIC_PWR_EN (ZCZ ball C6) is
connected to PWRHOLD (pin 1) on the TPS65910A3 PMIC. The addition of
system-power-controller to the rtc node will enable the capability of
the RTC driver to poweroff the board.

Based on 15c7be47fb7c ("ARM: dts: am335x: Add rtc node as
system-power-controller") by Keerthy in ti-linux-5.4.y branch [2].

[1] https://www.ti.com/tool/TMDSICE3359
[2] git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git

Cc: Dave Gerlach <d-gerlach@...com>
Cc: Keerthy <j-keerthy@...com>
Link: https://lore.kernel.org/linux-omap/20211012191311.879838-1-dfustini@baylibre.com/
Suggested-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Drew Fustini <dfustini@...libre.com>
---
 arch/arm/boot/dts/am335x-icev2.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-icev2.dts b/arch/arm/boot/dts/am335x-icev2.dts
index e5ce89c8f54d..5835c0cdda50 100644
--- a/arch/arm/boot/dts/am335x-icev2.dts
+++ b/arch/arm/boot/dts/am335x-icev2.dts
@@ -512,3 +512,7 @@ ethphy1: ethernet-phy@3 {
 &pruss_tm {
 	status = "okay";
 };
+
+&rtc {
+	system-power-controller;
+};
-- 
2.27.0