linux-kernel - [v2] arm64: dts: meson: odroid-n2: extend cpu opp-points

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Message-ID: <20200418214223.GA4484@imac>
Date:   Sat, 18 Apr 2020 17:42:23 -0400
From:   Tim Lewis <elatllat@...il.com>
To:     elatllat@...il.com
Cc:     narmstrong@...libre.com, khilman@...libre.com,
        christianshewitt@...il.com, joy.cho@...dkernel.com,
        tobetter@...il.com, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, mark.rutland@....com,
        robh+dt@...nel.org
Subject: [v2] arm64: dts: meson: odroid-n2: extend cpu opp-points

Odroid N2 has a large heatsink and HardKernel supports overclock
through the addition to extra opp points in their official kernel
sources [1]. Add these to the N2 dts only, as other S922X devices
may not have suitable heatsinks.

[1] https://github.com/hardkernel/linux/commit/f86cd9487c7483b2a05f448b9ebacf6bd5a2ad2f
Signed-off-by: Tim Lewis <elatllat@...il.com>

---
 .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
index 42f154057..6f32ac83f 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
@@ -260,6 +260,25 @@
 			};
 		};
 	};
+
+	cpu_opp_table_0: opp-table-0 {
+		opp-1992000000 {
+			opp-hz = /bits/ 64 <1992000000>;
+			opp-microvolt = <1001000>;
+		};
+	};
+
+	cpub_opp_table_1: opp-table-1 {
+		opp-1800000000 {
+			opp-hz = /bits/ 64 <1800000000>;
+			opp-microvolt = <981000>;
+		};
+
+		opp-1908000000 {
+			opp-hz = /bits/ 64 <1908000000>;
+			opp-microvolt = <1022000>;
+		};
+	};
 };
 
 &arb {
-- 
2.17.1