linux-kernel - Re: [PATCH 1/2] arm64: dts: rockchip: rockpro64 fix regulator gpios

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Message-ID: <1745654.q3GSn5YZ1a@phil>
Date:   Thu, 06 Dec 2018 13:48:09 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Oskari Lemmela <oskari@...mela.net>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Akash Gajjar <Akash_Gajjar@...tor.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: rockchip: rockpro64 fix regulator gpios

Am Samstag, 1. Dezember 2018, 11:08:16 CET schrieb Oskari Lemmela:
> Rockpro64 is not able boot if GPIO1_C1 pin is pulled high
> before loading linux kernel.
> 
> In rockpro64 GPIO1_C1 pin is connected vdd_cpu_b regulator
> VSEL pin. Pin should be pulled down in normal operation and
> pulled high in suspend.
> 
> PMIC LDO_REG2 is connected to touch panel connector.
> Rename regulator and set it to correct voltage.
> 
> PCIe power is controller by GPIO1_D0.
> 
> Schematics can be downloaded from:
> http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf
> 
> Signed-off-by: Oskari Lemmela <oskari@...mela.net>

applied as fix for 4.20

Thanks
Heiko