linux-kernel - [PATCH 3/3] arm64: dts: qcom: sc7280: Add cx power domain support

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Message-Id: <1630346073-7099-4-git-send-email-sanm@codeaurora.org>
Date:   Mon, 30 Aug 2021 23:24:33 +0530
From:   Sandeep Maheswaram <sanm@...eaurora.org>
To:     Rob Herring <robh+dt@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Doug Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Cc:     devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Pratham Pratap <prathampratap@...eaurora.org>,
        Sandeep Maheswaram <sanm@...eaurora.org>
Subject: [PATCH 3/3] arm64: dts: qcom: sc7280: Add cx power domain support

Add multi pd support to set performance state for cx domain
to maintain minimum corner voltage for USB clocks.

Signed-off-by: Sandeep Maheswaram <sanm@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 53a21d0..7ccccb7 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -1374,7 +1374,10 @@
 			interrupt-names = "hs_phy_irq", "dp_hs_phy_irq",
 					  "dm_hs_phy_irq", "ss_phy_irq";
 
-			power-domains = <&gcc GCC_USB30_PRIM_GDSC>;
+			power-domains = <&rpmhpd SC7280_CX>, <&gcc GCC_USB30_PRIM_GDSC>;
+			power-domain-names = "cx", "usb_gdsc";
+
+			required-opps = <&rpmhpd_opp_nom>;
 
 			resets = <&gcc GCC_USB30_PRIM_BCR>;
 
-- 
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