From: "Leonidas P. Papadakos" <papadakospan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
"Leonidas P. Papadakos"
<papadakospan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: [PATCH v2] arm64: dts: rockchip: add more cpu operating points for RK3328
Date: Fri, 1 Mar 2019 21:55:53 +0200 [thread overview]
Message-ID: <20190301195552.12562-1-papadakospan@gmail.com> (raw)
This allows for greater max frequency on rk3328 boards,
increasing performance.
It has been included in Armbian (a linux distibution for ARM boards)
for a while now without any reported issues
https://github.com/armbian/build/blob/master/patch/kernel/rockchip64-default/enable-1392mhz-opp.patch
https://github.com/armbian/build/blob/master/patch/kernel/rockchip64-default/enable-1512mhz-opp.patch
Signed-off-by: Leonidas P. Papadakos <papadakospan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 84f14b132..42a59f254 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -123,6 +123,16 @@
opp-microvolt = <1300000>;
clock-latency-ns = <40000>;
};
+ opp-1392000000 {
+ opp-hz = /bits/ 64 <1392000000>;
+ opp-microvolt = <1350000>;
+ clock-latency-ns = <40000>;
+ };
+ opp-1512000000 {
+ opp-hz = /bits/ 64 <1512000000>;
+ opp-microvolt = <1450000>;
+ clock-latency-ns = <40000>;
+ };
};
amba {
--
2.21.0
next reply other threads:[~2019-03-01 19:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-01 19:55 Leonidas P. Papadakos [this message]
[not found] ` <20190301195552.12562-1-papadakospan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-12 14:28 ` [PATCH v2] arm64: dts: rockchip: add more cpu operating points for RK3328 Heiko Stuebner
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