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[109.252.192.83]) by smtp.gmail.com with ESMTPSA id m6sm640725ljc.112.2020.11.04.15.45.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 15:45:31 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Alan Stern , Peter Chen , Mark Brown , Liam Girdwood , Adrian Hunter , Krzysztof Kozlowski , Greg Kroah-Hartman , Lee Jones , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Ulf Hansson , Mauro Carvalho Chehab , Rob Herring , Marek Szyprowski , Peter Geis , Nicolas Chauvet Subject: [PATCH v1 26/30] ARM: tegra: ventana: Add voltage supplies to DVFS-capable devices Date: Thu, 5 Nov 2020 02:44:23 +0300 Message-Id: <20201104234427.26477-27-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104234427.26477-1-digetx@gmail.com> References: <20201104234427.26477-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 05 Nov 2020 08:20:02 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, linux-pwm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add voltage supplies to DVFS-capable devices in order to enable system-wide voltage scaling and allow CORE/RTC regulators to go lower. Signed-off-by: Dmitry Osipenko --- arch/arm/boot/dts/tegra20-ventana.dts | 65 +++++++++++++++++++++++---- 1 file changed, 56 insertions(+), 9 deletions(-) diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts index b158771ac0b7..d5d90605e649 100644 --- a/arch/arm/boot/dts/tegra20-ventana.dts +++ b/arch/arm/boot/dts/tegra20-ventana.dts @@ -23,7 +23,19 @@ memory@0 { }; host1x@50000000 { + core-supply = <&vdd_core>; + + gr2d@54140000 { + core-supply = <&vdd_core>; + }; + + gr3d@54180000 { + core-supply = <&vdd_core>; + }; + dc@54200000 { + core-supply = <&vdd_core>; + rgb { status = "okay"; @@ -31,11 +43,16 @@ rgb { }; }; + dc@54240000 { + core-supply = <&vdd_core>; + }; + hdmi@54280000 { status = "okay"; vdd-supply = <&hdmi_vdd_reg>; pll-supply = <&hdmi_pll_reg>; + core-supply = <&vdd_core>; nvidia,ddc-i2c-bus = <&hdmi_ddc>; nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7) @@ -43,6 +60,10 @@ hdmi@54280000 { }; }; + vde@6001a000 { + core-supply = <&vdd_core>; + }; + pinmux@70000014 { pinctrl-names = "default"; pinctrl-0 = <&state_default>; @@ -419,18 +440,28 @@ sys_reg: sys { regulator-always-on; }; - sm0 { + vdd_core: sm0 { regulator-name = "vdd_sm0,vdd_core"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <1200000>; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1300000>; + regulator-coupled-with = <&rtc_vdd &vdd_cpu>; + regulator-coupled-max-spread = <170000 550000>; regulator-always-on; + regulator-boot-on; + + nvidia,tegra-core-regulator; }; - sm1 { + vdd_cpu: sm1 { regulator-name = "vdd_sm1,vdd_cpu"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1000000>; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <1125000>; + regulator-coupled-with = <&vdd_core &rtc_vdd>; + regulator-coupled-max-spread = <550000 550000>; regulator-always-on; + regulator-boot-on; + + nvidia,tegra-cpu-regulator; }; sm2_reg: sm2 { @@ -449,10 +480,16 @@ ldo1 { regulator-always-on; }; - ldo2 { + rtc_vdd: ldo2 { regulator-name = "vdd_ldo2,vdd_rtc"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <1200000>; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1300000>; + regulator-coupled-with = <&vdd_core &vdd_cpu>; + regulator-coupled-max-spread = <170000 550000>; + regulator-always-on; + regulator-boot-on; + + nvidia,tegra-rtc-regulator; }; ldo3 { @@ -526,8 +563,13 @@ pmc@7000e400 { nvidia,sys-clock-req-active-high; }; + memory-controller@7000f400 { + core-supply = <&vdd_core>; + }; + usb@c5000000 { status = "okay"; + core-supply = <&vdd_core>; }; usb-phy@c5000000 { @@ -538,6 +580,7 @@ usb@c5004000 { status = "okay"; nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_LOW>; + core-supply = <&vdd_core>; }; usb-phy@c5004000 { @@ -548,6 +591,7 @@ usb-phy@c5004000 { usb@c5008000 { status = "okay"; + core-supply = <&vdd_core>; }; usb-phy@c5008000 { @@ -559,6 +603,7 @@ mmc@c8000000 { power-gpios = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>; bus-width = <4>; keep-power-in-suspend; + core-supply = <&vdd_core>; }; mmc@c8000400 { @@ -567,12 +612,14 @@ mmc@c8000400 { wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>; power-gpios = <&gpio TEGRA_GPIO(I, 6) GPIO_ACTIVE_HIGH>; bus-width = <4>; + core-supply = <&vdd_core>; }; mmc@c8000600 { status = "okay"; bus-width = <8>; non-removable; + core-supply = <&vdd_core>; }; backlight: backlight { -- 2.27.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel