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From:   Jon Hunter <jonathanh@nvidia.com>
To:     Rob Herring <robh+dt@kernel.org>,
        Thierry Reding <thierry.reding@gmail.com>
CC:     <devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, Jon Hunter <jonathanh@nvidia.com>,
        <stable@vger.kernel.org>
Subject: [PATCH] ARM: tegra: Populate OPP table for Tegra20 Ventana
Date:   Wed, 11 Nov 2020 10:38:47 +0000
Message-ID: <20201111103847.152721-1-jonathanh@nvidia.com>
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Commit 9ce274630495 ("cpufreq: tegra20: Use generic cpufreq-dt driver
(Tegra30 supported now)") update the Tegra20 CPUFREQ driver to use the
generic CPUFREQ device-tree driver. Since this change CPUFREQ support
on the Tegra20 Ventana platform has been broken because the necessary
device-tree nodes with the operating point information are not populated
for this platform. Fix this by updating device-tree for Venata to
include the operating point informration for Tegra20.

Fixes: 9ce274630495 ("cpufreq: tegra20: Use generic cpufreq-dt driver (Tegr=
a30 supported now)")
Cc: stable@vger.kernel.org

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
 arch/arm/boot/dts/tegra20-ventana.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegr=
a20-ventana.dts
index b158771ac0b7..055334ae3d28 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -3,6 +3,7 @@
=20
 #include <dt-bindings/input/input.h>
 #include "tegra20.dtsi"
+#include "tegra20-cpu-opp.dtsi"
=20
 / {
 	model =3D "NVIDIA Tegra20 Ventana evaluation board";
@@ -592,6 +593,16 @@ clk32k_in: clock@0 {
 		#clock-cells =3D <0>;
 	};
=20
+	cpus {
+		cpu0: cpu@0 {
+			operating-points-v2 =3D <&cpu0_opp_table>;
+		};
+
+		cpu@1 {
+			operating-points-v2 =3D <&cpu0_opp_table>;
+		};
+	};
+
 	gpio-keys {
 		compatible =3D "gpio-keys";
=20
--=20
2.25.1