| Message ID | b190603bffa0bcc4e66a441fba04132635de3f0c.1623315732.git.geert+renesas@glider.be |
|---|---|
| State | Superseded |
| Headers | show |
| Series | arm64: renesas: Add support for R Car H3e 2G-and M3e-2G | expand |
Hi Geert-san, Thank you for the patch! > From: Geert Uytterhoeven, Sent: Thursday, June 10, 2021 6:37 PM > > Add a preliminary operating point for running the Cortex-A57 CPU cores > on R-Car H3e-2G at 2 GHz. > > The opp-microvolt value depends on a future update of the Electrical > Characteristics for R-Car H3e-2G. Yes, we have to confirm the official document in the future, but... > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> > --- > arch/arm64/boot/dts/renesas/r8a779m1.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm64/boot/dts/renesas/r8a779m1.dtsi b/arch/arm64/boot/dts/renesas/r8a779m1.dtsi > index 0e9b04469b83c661..01b4e787e5749219 100644 > --- a/arch/arm64/boot/dts/renesas/r8a779m1.dtsi > +++ b/arch/arm64/boot/dts/renesas/r8a779m1.dtsi > @@ -10,3 +10,12 @@ > / { > compatible = "renesas,r8a779m1", "renesas,r8a7795"; > }; > + > +&cluster0_opp { > + opp-2000000000 { > + opp-hz = /bits/ 64 <2000000000>; > + opp-microvolt = <1020000>; // FIXME TBC I heard this voltage is the same as 1.7GHz's one (0.96V). Best regards, Yoshihiro Shimoda > + clock-latency-ns = <300000>; > + turbo-mode; > + }; > +}; > -- > 2.25.1
diff --git a/arch/arm64/boot/dts/renesas/r8a779m1.dtsi b/arch/arm64/boot/dts/renesas/r8a779m1.dtsi index 0e9b04469b83c661..01b4e787e5749219 100644 --- a/arch/arm64/boot/dts/renesas/r8a779m1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779m1.dtsi @@ -10,3 +10,12 @@ / { compatible = "renesas,r8a779m1", "renesas,r8a7795"; }; + +&cluster0_opp { + opp-2000000000 { + opp-hz = /bits/ 64 <2000000000>; + opp-microvolt = <1020000>; // FIXME TBC + clock-latency-ns = <300000>; + turbo-mode; + }; +};
Add a preliminary operating point for running the Cortex-A57 CPU cores on R-Car H3e-2G at 2 GHz. The opp-microvolt value depends on a future update of the Electrical Characteristics for R-Car H3e-2G. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- arch/arm64/boot/dts/renesas/r8a779m1.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+)