linux-kernel - Re: [PATCH] arm64: dts: rockchip: fix IO domain voltage setting of APIO5

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Date:   Mon, 15 Apr 2019 18:48:06 +0900
From:   Katsuhiro Suzuki <katsuhiro@...suster.net>
To:     Heiko Stuebner <heiko@...ech.de>,
        linux-rockchip@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Robin Murphy <robin.murphy@....com>
Subject: Re: [PATCH] arm64: dts: rockchip: fix IO domain voltage setting of
 APIO5

ping...

On 2019/03/27 21:03, Katsuhiro Suzuki wrote:
> This patch fixes IO domain voltage setting that is related to
> audio_gpio3d4a_ms (bit 1) of GRF_IO_VSEL.
> 
> This is because RockPro64 schematics P.16 says that regulator
> supplies 3.0V power to APIO5_VDD. So audio_gpio3d4a_ms bit should
> be clear (means 3.0V). Power domain map is saying different thing
> (supplies 1.8V) but I believe P.16 is actual connectings.
> 
> Signed-off-by: Katsuhiro Suzuki <katsuhiro@...suster.net>
> Suggested-by: Robin Murphy <robin.murphy@....com>
> ---
>   arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> index 791fb0ee9722..20ec7d1c25d7 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> @@ -508,7 +508,7 @@
>   	status = "okay";
>   
>   	bt656-supply = <&vcc1v8_dvp>;
> -	audio-supply = <&vcca1v8_codec>;
> +	audio-supply = <&vcc_3v0>;
>   	sdmmc-supply = <&vcc_sdio>;
>   	gpio1830-supply = <&vcc_3v0>;
>   };
>