From ab01a407fc0b059439525443722a75d69f71bec9 Mon Sep 17 00:00:00 2001 From: Jianqun Xu Date: Thu, 1 Sep 2016 09:58:18 +0800 Subject: [PATCH] ARM64: dts: rk3399-evb: support ddr devfreq Enable ddr devfreq for rk3399-evb. Change-Id: Ie9f0f6d149f547fea35cabc995fe87f33e5c934d Signed-off-by: Jianqun Xu --- arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi | 43 ++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi index 23afa5dfb412..9f7f3b526873 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi @@ -309,6 +309,49 @@ status = "okay"; }; +&dfi { + status = "okay"; +}; + +&dmc { + status = "okay"; + center-supply = <&vdd_center>; + upthreshold = <60>; + downdifferential = <40>; +}; + +&dmc_opp_table { + opp00 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <900000>; + }; + opp01 { + opp-hz = /bits/ 64 <300000000>; + opp-microvolt = <900000>; + }; + opp02 { + opp-hz = /bits/ 64 <400000000>; + opp-microvolt = <900000>; + }; + opp03 { + opp-hz = /bits/ 64 <528000000>; + opp-microvolt = <900000>; + }; + opp04 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <900000>; + }; + opp05 { + opp-hz = /bits/ 64 <666000000>; + opp-microvolt = <900000>; + opp-suspend; + }; + opp06 { + opp-hz = /bits/ 64 <800000000>; + opp-microvolt = <900000>; + }; +}; + &sdhci { bus-width = <8>; mmc-hs400-1_8v; -- 2.34.1