From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [RFC PATCH v2 12/17] ARM: dts: tegra20: tamonten: Setup voltage regulators for DVFS Date: Sun, 21 Oct 2018 23:54:56 +0300 Message-ID: <20181021205501.23943-13-digetx@gmail.com> References: <20181021205501.23943-1-digetx@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181021205501.23943-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J. Wysocki" , Viresh Kumar , Rob Herring , Thierry Reding , Jonathan Hunter , Nishanth Menon , Stephen Boyd , Marcel Ziswiler Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org Set min/max regulators voltage and add CPU node that hooks up CPU with voltage regulators. Signed-off-by: Dmitry Osipenko --- arch/arm/boot/dts/tegra20-tamonten.dtsi | 31 ++++++++++++++++++------- 1 file changed, 22 insertions(+), 9 deletions(-) diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi index 20137fc578b1..e9db60f4c317 100644 --- a/arch/arm/boot/dts/tegra20-tamonten.dtsi +++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi @@ -357,17 +357,19 @@ regulator-always-on; }; - sm0 { + core_vdd_reg: sm0 { regulator-name = "vdd_sys_sm0,vdd_core"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <1200000>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1300000>; + regulator-coupled-with = <&rtc_vdd_reg>; + regulator-coupled-max-spread = <150000>; regulator-always-on; }; - sm1 { + cpu_vdd_reg: sm1 { regulator-name = "vdd_sys_sm1,vdd_cpu"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1000000>; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <1125000>; regulator-always-on; }; @@ -391,10 +393,13 @@ regulator-always-on; }; - ldo2 { + rtc_vdd_reg: 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 = <&core_vdd_reg>; + regulator-coupled-max-spread = <150000>; + regulator-always-on; }; ldo3 { @@ -531,4 +536,12 @@ enable-active-high; }; }; + + cpus { + cpu0: cpu@0 { + cpu-supply = <&cpu_vdd_reg>; + core-supply = <&core_vdd_reg>; + rtc-supply = <&rtc_vdd_reg>; + }; + }; }; -- 2.19.0