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Message-ID: <23985fdd-c517-6883-6da4-2582655cc4d6@postmarketos.org>
Date:   Mon, 5 Sep 2022 19:57:20 +0100
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Subject: Re: [PATCH] arm64: dts: rockchip: Fix SD card controller probe on
 Pinephone Pro
Content-Language: en-US
To:     Ondrej Jirman <megi@xff.cz>, linux-rockchip@lists.infradead.org
Cc:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Heiko Stuebner <heiko@sntech.de>,
        Martijn Braam <martijn@brixit.nl>,
        Tom Fitzhenry <tom@tom-fitzhenry.me.uk>,
        Arnaud Ferraris <arnaud.ferraris@gmail.com>,
        =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= <n@nfraprado.net>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        "moderated list:ARM/Rockchip SoC support" 
        <linux-arm-kernel@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>
References: <20220904233652.3197885-1-megi@xff.cz>
From:   Caleb Connolly <kc@postmarketos.org>
In-Reply-To: <20220904233652.3197885-1-megi@xff.cz>
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On 05/09/2022 00:36, Ondrej Jirman wrote:
> Voltage constraints on vccio_sd are invalid. They don't match the voltages
> that LDO9 can generate, and this causes rk808-regulator driver to fail
> to probe with -EINVAL when it tries to apply the constraints during boot.
> 
> Fix the constraints to something that LDO9 can be actually configured for.
> 
> Fixes: 78a21c7d5952 ("arm64: dts: rockchip: Add initial support for Pine64 PinePhone Pro")
> Signed-off-by: Ondrej Jirman <megi@xff.cz>

Reviewed-by: Caleb Connolly <kc@postmarketos.org>
> ---
>   arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> index f00c80361377a..2e058c3150256 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> @@ -253,8 +253,8 @@ regulator-state-mem {
>   
>   			vccio_sd: LDO_REG9 {
>   				regulator-name = "vccio_sd";
> -				regulator-min-microvolt = <1710000>;
> -				regulator-max-microvolt = <3150000>;
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
>   			};
>   
>   			vcc3v3_s0: SWITCH_REG {