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[109.252.91.118]) by smtp.gmail.com with ESMTPSA id p63-v6sm6515919lfg.46.2018.10.21.13.58.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 21 Oct 2018 13:58:13 -0700 (PDT) From: Dmitry Osipenko 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 Subject: [RFC PATCH v2 09/17] ARM: dts: tegra20: harmony: Setup voltage regulators for DVFS Date: Sun, 21 Oct 2018 23:54:53 +0300 Message-Id: <20181021205501.23943-10-digetx@gmail.com> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181021205501.23943-1-digetx@gmail.com> References: <20181021205501.23943-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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-harmony.dts | 31 +++++++++++++++++++-------- 1 file changed, 22 insertions(+), 9 deletions(-) diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts index 1d96d92b72a7..9d720743fd4e 100644 --- a/arch/arm/boot/dts/tegra20-harmony.dts +++ b/arch/arm/boot/dts/tegra20-harmony.dts @@ -339,17 +339,19 @@ regulator-always-on; }; - sm0 { + core_vdd_reg: sm0 { regulator-name = "vdd_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_sm1,vdd_cpu"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1000000>; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <1125000>; regulator-always-on; }; @@ -373,10 +375,13 @@ 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 { @@ -779,4 +784,12 @@ <&tegra_car TEGRA20_CLK_CDEV1>; clock-names = "pll_a", "pll_a_out0", "mclk"; }; + + cpus { + cpu0: cpu@0 { + cpu-supply = <&cpu_vdd_reg>; + core-supply = <&core_vdd_reg>; + rtc-supply = <&rtc_vdd_reg>; + }; + }; }; -- 2.19.0