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[109.252.192.83]) by smtp.gmail.com with ESMTPSA id m6sm640725ljc.112.2020.11.04.15.45.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 15:45:33 -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 27/30] ARM: tegra: paz00: Add voltage supplies to DVFS-capable devices Date: Thu, 5 Nov 2020 02:44:24 +0300 Message-Id: <20201104234427.26477-28-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. Tested-by: Nicolas Chauvet Signed-off-by: Dmitry Osipenko --- arch/arm/boot/dts/tegra20-paz00.dts | 40 ++++++++++++++++++++++++----- 1 file changed, 33 insertions(+), 7 deletions(-) diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts index 52a81d888424..d497eb149fba 100644 --- a/arch/arm/boot/dts/tegra20-paz00.dts +++ b/arch/arm/boot/dts/tegra20-paz00.dts @@ -26,7 +26,19 @@ memory@0 { }; host1x@50000000 { + core-supply = <&core_vdd_reg>; + + gr2d@54140000 { + core-supply = <&core_vdd_reg>; + }; + + gr3d@54180000 { + core-supply = <&core_vdd_reg>; + }; + dc@54200000 { + core-supply = <&core_vdd_reg>; + rgb { status = "okay"; @@ -34,11 +46,16 @@ rgb { }; }; + dc@54240000 { + core-supply = <&core_vdd_reg>; + }; + hdmi@54280000 { status = "okay"; vdd-supply = <&hdmi_vdd_reg>; pll-supply = <&hdmi_pll_reg>; + core-supply = <&core_vdd_reg>; nvidia,ddc-i2c-bus = <&hdmi_ddc>; nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7) @@ -46,6 +63,10 @@ hdmi@54280000 { }; }; + vde@6001a000 { + core-supply = <&core_vdd_reg>; + }; + pinmux@70000014 { pinctrl-names = "default"; pinctrl-0 = <&state_default>; @@ -389,10 +410,10 @@ sys_reg: sys { core_vdd_reg: sm0 { regulator-name = "+1.2vs_sm0,vdd_core"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <1225000>; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1300000>; regulator-coupled-with = <&rtc_vdd_reg &cpu_vdd_reg>; - regulator-coupled-max-spread = <170000 450000>; + regulator-coupled-max-spread = <170000 550000>; regulator-always-on; nvidia,tegra-core-regulator; @@ -403,7 +424,7 @@ cpu_vdd_reg: sm1 { regulator-min-microvolt = <750000>; regulator-max-microvolt = <1100000>; regulator-coupled-with = <&core_vdd_reg &rtc_vdd_reg>; - regulator-coupled-max-spread = <450000 450000>; + regulator-coupled-max-spread = <550000 550000>; regulator-always-on; nvidia,tegra-cpu-regulator; @@ -427,10 +448,10 @@ ldo1 { rtc_vdd_reg: ldo2 { regulator-name = "+1.2vs_ldo2,vdd_rtc"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <1225000>; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1300000>; regulator-coupled-with = <&core_vdd_reg &cpu_vdd_reg>; - regulator-coupled-max-spread = <170000 450000>; + regulator-coupled-max-spread = <170000 550000>; regulator-always-on; nvidia,tegra-rtc-regulator; @@ -519,6 +540,7 @@ usb@c5000000 { compatible = "nvidia,tegra20-udc"; status = "okay"; dr_mode = "peripheral"; + core-supply = <&core_vdd_reg>; }; usb-phy@c5000000 { @@ -529,6 +551,7 @@ usb@c5004000 { status = "okay"; nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 0) GPIO_ACTIVE_LOW>; + core-supply = <&core_vdd_reg>; }; usb-phy@c5004000 { @@ -539,6 +562,7 @@ usb-phy@c5004000 { usb@c5008000 { status = "okay"; + core-supply = <&core_vdd_reg>; }; usb-phy@c5008000 { @@ -551,12 +575,14 @@ mmc@c8000000 { wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>; power-gpios = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_HIGH>; bus-width = <4>; + core-supply = <&core_vdd_reg>; }; mmc@c8000600 { status = "okay"; bus-width = <8>; non-removable; + core-supply = <&core_vdd_reg>; }; backlight: backlight { -- 2.27.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel