From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: "linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Magnus Damm <magnus.damm@gmail.com>,
Rob Herring <robh+dt@kernel.org>
Subject: RE: [PATCH/RFC 13/14] arm64: dts: renesas: r8a779m1: Add Cortex-A57 2 GHz opp
Date: Wed, 16 Jun 2021 11:25:59 +0000 [thread overview]
Message-ID: <TY2PR01MB3692F3E2FC27F2660DA5525BD80F9@TY2PR01MB3692.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <b190603bffa0bcc4e66a441fba04132635de3f0c.1623315732.git.geert+renesas@glider.be>
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
next prev parent reply other threads:[~2021-06-16 11:26 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 9:37 [PATCH 00/14] arm64: renesas: Add support for R Car H3e 2G-and M3e-2G Geert Uytterhoeven
2021-06-10 9:37 ` [PATCH 01/14] dt-bindings: arm: renesas: Document R-Car H3e-2G and M3e-2G SoCs and boards Geert Uytterhoeven
2021-06-13 1:13 ` Laurent Pinchart
2021-06-14 11:25 ` Geert Uytterhoeven
2021-06-14 18:24 ` Laurent Pinchart
2021-06-16 17:56 ` Rob Herring
2021-06-23 10:01 ` Yoshihiro Shimoda
2021-06-10 9:37 ` [PATCH 02/14] soc: renesas: Identify R-Car H3e-2G and M3e-2G Geert Uytterhoeven
2021-06-14 18:31 ` Laurent Pinchart
2021-06-23 10:13 ` Yoshihiro Shimoda
2021-06-10 9:37 ` [PATCH 03/14] pinctrl: renesas: Fix pin control matching on R-Car H3e-2G Geert Uytterhoeven
2021-06-14 18:38 ` Laurent Pinchart
2021-06-14 19:16 ` Geert Uytterhoeven
2021-06-23 10:34 ` Yoshihiro Shimoda
2021-06-10 9:37 ` [PATCH 04/14] mmc: renesas_sdhi: Add support for R-Car H3e-2G and M3e-2G Geert Uytterhoeven
2021-06-14 18:42 ` Laurent Pinchart
2021-06-14 19:32 ` Geert Uytterhoeven
2021-06-24 2:25 ` Yoshihiro Shimoda
2021-06-24 6:14 ` Wolfram Sang
2021-06-24 10:54 ` Yoshihiro Shimoda
2021-06-24 15:19 ` Wolfram Sang
2021-06-25 4:54 ` Yoshihiro Shimoda
2021-06-10 9:37 ` [PATCH 05/14] arm64: dts: renesas: Add Renesas R8A779M1 SoC support Geert Uytterhoeven
2021-06-14 18:43 ` Laurent Pinchart
2021-06-24 4:56 ` Yoshihiro Shimoda
2021-06-10 9:37 ` [PATCH 06/14] arm64: dts: renesas: Add Renesas R8A779M3 " Geert Uytterhoeven
2021-06-24 5:08 ` Yoshihiro Shimoda
2021-06-10 9:37 ` [PATCH 07/14] arm64: dts: renesas: Add support for Salvator-XS with R-Car H3e-2G Geert Uytterhoeven
2021-06-14 18:45 ` Laurent Pinchart
2021-06-14 19:34 ` Geert Uytterhoeven
2021-06-24 5:27 ` Yoshihiro Shimoda
2021-06-10 9:37 ` [PATCH 08/14] arm64: dts: renesas: Add support for H3ULCB " Geert Uytterhoeven
2021-06-14 18:46 ` Laurent Pinchart
2021-06-10 9:37 ` [PATCH 09/14] arm64: dts: renesas: Add support for H3ULCB+Kingfisher " Geert Uytterhoeven
2021-06-14 18:46 ` Laurent Pinchart
2021-06-10 9:37 ` [PATCH 10/14] arm64: dts: renesas: Add support for Salvator-XS with R-Car M3e-2G Geert Uytterhoeven
2021-06-14 18:48 ` Laurent Pinchart
2021-06-10 9:37 ` [PATCH 11/14] arm64: dts: renesas: Add support for M3ULCB " Geert Uytterhoeven
2021-06-14 18:48 ` Laurent Pinchart
2021-06-10 9:37 ` [PATCH 12/14] arm64: dts: renesas: Add support for M3ULCB+Kingfisher " Geert Uytterhoeven
2021-06-14 18:48 ` Laurent Pinchart
2021-06-10 9:37 ` [PATCH/RFC 13/14] arm64: dts: renesas: r8a779m1: Add Cortex-A57 2 GHz opp Geert Uytterhoeven
2021-06-16 11:25 ` Yoshihiro Shimoda [this message]
2021-06-10 9:37 ` [PATCH/RFC 14/14] arm64: dts: renesas: r8a779m3: " Geert Uytterhoeven
2021-06-16 11:27 ` Yoshihiro Shimoda
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