From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Peter De Schrijver <pdeschrijver@nvidia.com>,
Prashant Gaikwad <pgaikwad@nvidia.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Peter Geis <pgwipeout@gmail.com>,
Nicolas Chauvet <kwizart@gmail.com>,
Marcel Ziswiler <marcel.ziswiler@toradex.com>
Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org,
devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 13/17] ARM: dts: tegra20: paz00: Set up voltage regulators for DVFS
Date: Fri, 25 Oct 2019 01:14:12 +0300 [thread overview]
Message-ID: <20191024221416.14197-14-digetx@gmail.com> (raw)
In-Reply-To: <20191024221416.14197-1-digetx@gmail.com>
Set min/max voltage and couple CPU/CORE/RTC regulators.
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
arch/arm/boot/dts/tegra20-paz00.dts | 27 ++++++++++++++++++++-------
1 file changed, 20 insertions(+), 7 deletions(-)
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index 8861e0976e37..6e9fe192c648 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -337,18 +337,26 @@
regulator-always-on;
};
- sm0 {
+ core_vdd_reg: sm0 {
regulator-name = "+1.2vs_sm0,vdd_core";
regulator-min-microvolt = <1200000>;
- regulator-max-microvolt = <1200000>;
+ regulator-max-microvolt = <1225000>;
+ regulator-coupled-with = <&rtc_vdd_reg &cpu_vdd_reg>;
+ regulator-coupled-max-spread = <170000 450000>;
regulator-always-on;
+
+ nvidia,tegra-core-regulator;
};
- sm1 {
+ cpu_vdd_reg: sm1 {
regulator-name = "+1.0vs_sm1,vdd_cpu";
- regulator-min-microvolt = <1000000>;
- regulator-max-microvolt = <1000000>;
+ regulator-min-microvolt = <750000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-coupled-with = <&core_vdd_reg &rtc_vdd_reg>;
+ regulator-coupled-max-spread = <450000 450000>;
regulator-always-on;
+
+ nvidia,tegra-cpu-regulator;
};
sm2_reg: sm2 {
@@ -367,10 +375,15 @@
regulator-always-on;
};
- ldo2 {
+ rtc_vdd_reg: ldo2 {
regulator-name = "+1.2vs_ldo2,vdd_rtc";
regulator-min-microvolt = <1200000>;
- regulator-max-microvolt = <1200000>;
+ regulator-max-microvolt = <1225000>;
+ regulator-coupled-with = <&core_vdd_reg &cpu_vdd_reg>;
+ regulator-coupled-max-spread = <170000 450000>;
+ regulator-always-on;
+
+ nvidia,tegra-rtc-regulator;
};
ldo3 {
--
2.23.0
next prev parent reply other threads:[~2019-10-24 22:18 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 22:13 [PATCH v2 00/17] NVIDIA Tegra20 CPUFreq driver major update Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 01/17] clk: tegra: Add custom CCLK implementation Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 02/17] clk: tegra: pll: Add pre/post rate-change hooks Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 03/17] clk: tegra: cclk: Add helpers for handling PLLX rate changes Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 04/17] clk: tegra20: Support custom CCLK implementation Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 05/17] clk: tegra30: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 06/17] dt-bindings: cpufreq: Add binding for NVIDIA Tegra20/30 Dmitry Osipenko
2019-10-29 21:42 ` Rob Herring
2019-10-30 21:05 ` Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 07/17] cpufreq: tegra20: Use generic cpufreq-dt driver (Tegra30 supported now) Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 08/17] ARM: tegra: Create tegra20-cpufreq platform device on Tegra30 Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 09/17] ARM: dts: tegra20: Add CPU clock Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 10/17] ARM: dts: tegra30: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 11/17] ARM: dts: tegra20: Add CPU Operating Performance Points Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 12/17] ARM: dts: tegra30: " Dmitry Osipenko
2019-10-24 22:14 ` Dmitry Osipenko [this message]
2019-10-24 22:14 ` [PATCH v2 14/17] ARM: dts: tegra20: paz00: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 15/17] ARM: dts: tegra20: trimslice: " Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 16/17] ARM: dts: tegra30: cardhu-a04: Set up voltage regulators for DVFS Dmitry Osipenko
2019-10-24 22:14 ` [PATCH v2 17/17] ARM: dts: tegra30: cardhu-a04: Add CPU Operating Performance Points Dmitry Osipenko
2019-11-13 6:52 ` Jon Hunter
2019-11-13 13:57 ` Dmitry Osipenko
2019-11-15 12:52 ` Jon Hunter
2019-11-15 14:55 ` Dmitry Osipenko
2019-11-15 17:31 ` Jon Hunter
2019-11-15 20:35 ` Dmitry Osipenko
2019-11-18 9:52 ` Jon Hunter
2019-10-29 14:09 ` [PATCH v2 00/17] NVIDIA Tegra20 CPUFreq driver major update Thierry Reding
2019-10-29 14:41 ` Dmitry Osipenko
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