linux-kernel - [PATCH 2/2] arm64: dts: mediatek: mt8195: Add power domain to U3PHY1 T-PHY

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221214131117.108008-2-angelogioacchino.delregno@collabora.com>
Date:   Wed, 14 Dec 2022 14:11:17 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     matthias.bgg@...il.com
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        tinghan.shen@...iatek.com, weiyi.lu@...iatek.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 2/2] arm64: dts: mediatek: mt8195: Add power domain to U3PHY1 T-PHY

Assign power domain to the U3PHY1 T-PHY in otder to keep this PHY
alive after unused PD shutdown and to be able to completely cut
and restore power to it, for example, to save some power during
system suspend/sleep.

Fixes: 2b515194bf0c ("arm64: dts: mt8195: Add power domains controller")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 arch/arm64/boot/dts/mediatek/mt8195.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index e61944510b8e..131945c44dcc 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -1549,6 +1549,7 @@ u3phy1: t-phy@...30000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0 0 0x11e30000 0xe00>;
+			power-domains = <&spm MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY>;
 			status = "disabled";
 
 			u2port1: usb-phy@0 {
-- 
2.38.1