linux-kernel - Re: [PATCH v2] arm64: defconfig: Enable REGULATOR

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Message-ID: <CAMty3ZCO5iY6g4uRp7xuCquQNEMiwbeiy=sN9y0dR1TX+0AGzw@mail.gmail.com>
Date:   Thu, 10 Sep 2020 20:33:14 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Heiko Stuebner <heiko@...ech.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Markus Reichl <m.reichl@...etechno.de>,
        Suniel Mahesh <sunil@...rulasolutions.com>
Subject: Re: [PATCH v2] arm64: defconfig: Enable REGULATOR_MP8859

Hi Heiko,

On Fri, Jul 31, 2020 at 9:33 PM Jagan Teki <jagan@...rulasolutions.com> wrote:
>
> RK3399 boards like ROC-RK3399-PC is using MP8859 DC/DC converter
> for 12V supply.
>
> roc-rk3399-pc initially used 12V fixed regulator for this supply,
> but the below commit has switched to use MP8859.
>
> commit <1fc61ed04d309b0b8b3562acf701ab988eee12de> "arm64: dts: rockchip:
> Enable mp8859 regulator on rk3399-roc-pc"
>
> So, enable bydefault on the defconfig.
>
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> Tested-by: Suniel Mahesh <sunil@...rulasolutions.com>
> ---
> Changes for v2:
> - none
>
>  arch/arm64/configs/defconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 883e8bace3ed..62bcbf987a70 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -556,6 +556,7 @@ CONFIG_REGULATOR_HI6421V530=y
>  CONFIG_REGULATOR_HI655X=y
>  CONFIG_REGULATOR_MAX77620=y
>  CONFIG_REGULATOR_MAX8973=y
> +CONFIG_REGULATOR_MP8859=y
>  CONFIG_REGULATOR_PFUZE100=y
>  CONFIG_REGULATOR_PWM=y
>  CONFIG_REGULATOR_QCOM_RPMH=y

Can you apply this patch? w/o this regulator the default defconfig is
unable to boot the Linux.

Jagan.