linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
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


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191024221416.14197-14-digetx@gmail.com \
    --to=digetx@gmail.com \
    --cc=devicetree@vger.kernel.org \
    --cc=jonathanh@nvidia.com \
    --cc=kwizart@gmail.com \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=marcel.ziswiler@toradex.com \
    --cc=mturquette@baylibre.com \
    --cc=pdeschrijver@nvidia.com \
    --cc=pgaikwad@nvidia.com \
    --cc=pgwipeout@gmail.com \
    --cc=rjw@rjwysocki.net \
    --cc=robh+dt@kernel.org \
    --cc=sboyd@kernel.org \
    --cc=thierry.reding@gmail.com \
    --cc=viresh.kumar@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).