linux-kernel - [PATCH v1 30/30] ARM: tegra: nexus7: Add voltage supplies to DVFS-capable devices

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Message-Id: <20201104234427.26477-31-digetx@gmail.com>
Date:   Thu,  5 Nov 2020 02:44:27 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Peter Chen <Peter.Chen@....com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lee Jones <lee.jones@...aro.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>
Cc:     linux-samsung-soc@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-usb@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-media@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH v1 30/30] ARM: tegra: nexus7: Add voltage supplies to DVFS-capable devices

Add voltage supplies to DVFS-capable devices in order to enable
system-wide voltage scaling.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 .../tegra30-asus-nexus7-grouper-common.dtsi   | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
index 261e266c61d8..2b405872ad2d 100644
--- a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
+++ b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
@@ -60,7 +60,19 @@ trustzone@...00000 {
 	};
 
 	host1x@...00000 {
+		core-supply = <&vdd_core>;
+
+		gr2d@...40000 {
+			core-supply = <&vdd_core>;
+		};
+
+		gr3d@...80000 {
+			core-supply = <&vdd_core>;
+		};
+
 		dc@...00000 {
+			core-supply = <&vdd_core>;
+
 			rgb {
 				status = "okay";
 
@@ -72,6 +84,10 @@ lcd_output: endpoint {
 				};
 			};
 		};
+
+		dc@...40000 {
+			core-supply = <&vdd_core>;
+		};
 	};
 
 	gpio@...0d000 {
@@ -90,6 +106,10 @@ init-low-power-mode {
 		};
 	};
 
+	vde@...1a000 {
+		core-supply = <&vdd_core>;
+	};
+
 	pinmux@...00868 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&state_default>;
@@ -835,6 +855,7 @@ bluetooth {
 
 	pwm: pwm@...0a000 {
 		status = "okay";
+		core-supply = <&vdd_core>;
 	};
 
 	i2c@...0c400 {
@@ -994,6 +1015,7 @@ sdmmc3: mmc@...00400 {
 
 		mmc-pwrseq = <&brcm_wifi_pwrseq>;
 		vmmc-supply = <&vdd_3v3_sys>;
+		core-supply = <&vdd_core>;
 		vqmmc-supply = <&vdd_1v8>;
 
 		/* Azurewave AW-NH665 BCM4330 */
@@ -1018,6 +1040,7 @@ usb@...00000 {
 		compatible = "nvidia,tegra30-udc";
 		status = "okay";
 		dr_mode = "peripheral";
+		core-supply = <&vdd_core>;
 	};
 
 	usb-phy@...00000 {
-- 
2.27.0