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| author | Lin Huang <hl@rock-chips.com> | 2022-03-08 22:08:58 +0300 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2022-04-10 20:10:09 +0300 |
| commit | 80bc6f34c559c97069b75d6eb453d4218c3ed017 (patch) | |
| tree | 214c319893964923a5cc9eb9506537f586ac5598 /arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi | |
| parent | 1b3f36854ab74839693582bc957930f4416ce8ff (diff) | |
| download | linux-80bc6f34c559c97069b75d6eb453d4218c3ed017.tar.xz | |
arm64: dts: rockchip: Enable dmc and dfi nodes on gru
Enable the DMC (Dynamic Memory Controller) and the DFI (DDR PHY
Interface) nodes on gru boards so we can support DDR DVFS.
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Gaël PORTAY <gael.portay@collabora.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20220308110825.v4.12.I3a5c7f21ecd8221b42c2dbcd618386bce7b3e9a6@changeid
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi index 2180e0f75003..6e29e74f6fc6 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi @@ -110,6 +110,27 @@ opp-microvolt = <1075000>; }; }; + + dmc_opp_table: dmc_opp_table { + compatible = "operating-points-v2"; + + opp00 { + opp-hz = /bits/ 64 <400000000>; + opp-microvolt = <900000>; + }; + opp01 { + opp-hz = /bits/ 64 <666000000>; + opp-microvolt = <900000>; + }; + opp02 { + opp-hz = /bits/ 64 <800000000>; + opp-microvolt = <900000>; + }; + opp03 { + opp-hz = /bits/ 64 <928000000>; + opp-microvolt = <925000>; + }; + }; }; &cpu_l0 { @@ -136,6 +157,10 @@ operating-points-v2 = <&cluster1_opp>; }; +&dmc { + operating-points-v2 = <&dmc_opp_table>; +}; + &gpu { operating-points-v2 = <&gpu_opp_table>; }; |