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Message-Id: <20201123002723.28463-18-digetx@gmail.com>
Date:   Mon, 23 Nov 2020 03:27:21 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Mikko Perttunen <cyndis@...si.fi>,
        Viresh Kumar <vireshk@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Cc:     linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH v10 17/19] ARM: tegra: Add EMC OPP properties to Tegra20 device-trees

Add EMC OPP DVFS tables and update board device-trees by removing
unsupported OPPs.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 .../boot/dts/tegra20-acer-a500-picasso.dts    |   5 +
 arch/arm/boot/dts/tegra20-colibri.dtsi        |   4 +
 arch/arm/boot/dts/tegra20-paz00.dts           |   4 +
 .../arm/boot/dts/tegra20-peripherals-opp.dtsi | 109 ++++++++++++++++++
 arch/arm/boot/dts/tegra20.dtsi                |   3 +
 5 files changed, 125 insertions(+)
 create mode 100644 arch/arm/boot/dts/tegra20-peripherals-opp.dtsi

diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
index 827e029281e0..f418e8647d82 100644
--- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
+++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
@@ -1451,3 +1451,8 @@ emc-table@...000 {
 		};
 	};
 };
+
+&emc_icc_dvfs_opp_table {
+	/delete-node/ opp@...000000;
+	/delete-node/ opp@...000000;
+};
diff --git a/arch/arm/boot/dts/tegra20-colibri.dtsi b/arch/arm/boot/dts/tegra20-colibri.dtsi
index 6162d193e12c..585a5b441cf6 100644
--- a/arch/arm/boot/dts/tegra20-colibri.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri.dtsi
@@ -742,6 +742,10 @@ sound {
 	};
 };
 
+&emc_icc_dvfs_opp_table {
+	/delete-node/ opp@...000000;
+};
+
 &gpio {
 	lan-reset-n {
 		gpio-hog;
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index ada2bed8b1b5..7e49112cd9a1 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -662,3 +662,7 @@ cpu@1 {
 		};
 	};
 };
+
+&emc_icc_dvfs_opp_table {
+	/delete-node/ opp@...000000;
+};
diff --git a/arch/arm/boot/dts/tegra20-peripherals-opp.dtsi b/arch/arm/boot/dts/tegra20-peripherals-opp.dtsi
new file mode 100644
index 000000000000..b84afecea154
--- /dev/null
+++ b/arch/arm/boot/dts/tegra20-peripherals-opp.dtsi
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+	emc_icc_dvfs_opp_table: emc-dvfs-opp-table {
+		compatible = "operating-points-v2";
+
+		opp@...00000 {
+			opp-microvolt = <950000 950000 1300000>;
+			opp-hz = /bits/ 64 <36000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...00000 {
+			opp-microvolt = <950000 950000 1300000>;
+			opp-hz = /bits/ 64 <47500000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...00000 {
+			opp-microvolt = <950000 950000 1300000>;
+			opp-hz = /bits/ 64 <50000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...00000 {
+			opp-microvolt = <950000 950000 1300000>;
+			opp-hz = /bits/ 64 <54000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...00000 {
+			opp-microvolt = <950000 950000 1300000>;
+			opp-hz = /bits/ 64 <57000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <100000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <108000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...666000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <126666000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <150000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <190000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <216000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <300000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1000000 1000000 1300000>;
+			opp-hz = /bits/ 64 <333000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1100000 1100000 1300000>;
+			opp-hz = /bits/ 64 <380000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1200000 1200000 1300000>;
+			opp-hz = /bits/ 64 <600000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1200000 1200000 1300000>;
+			opp-hz = /bits/ 64 <666000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp@...000000 {
+			opp-microvolt = <1300000 1300000 1300000>;
+			opp-hz = /bits/ 64 <760000000>;
+			opp-supported-hw = <0x000F>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 8f8ad81916e7..6ce498178105 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -6,6 +6,8 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/soc/tegra-pmc.h>
 
+#include "tegra20-peripherals-opp.dtsi"
+
 / {
 	compatible = "nvidia,tegra20";
 	interrupt-parent = <&lic>;
@@ -664,6 +666,7 @@ emc: memory-controller@...0f400 {
 		#size-cells = <0>;
 		#interconnect-cells = <0>;
 
+		operating-points-v2 = <&emc_icc_dvfs_opp_table>;
 		nvidia,memory-controller = <&mc>;
 	};
 
-- 
2.29.2

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