linux-kernel - Re: [PATCH 1/3] arm64: dts: rockchip: Fix min voltage for rk3399-firefly vdd

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Message-ID: <2125664.Zgi4m6pvVL@phil>
Date:   Mon, 18 Nov 2019 02:04:57 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Kever Yang <kever.yang@...k-chips.com>
Cc:     linux-rockchip@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] arm64: dts: rockchip: Fix min voltage for rk3399-firefly vdd_log

Am Montag, 11. November 2019, 01:51:56 CET schrieb Kever Yang:
> The min/max value of vdd_log is decide by pwm IO voltage and its
> resistors, the rk3399-firefly board's pwm regulator circuit is designed
> for IO voltage at 1.8V, while the board actually use 3.0V for IO, which
> at last lead to the min-microvolt to '430mV' instead of '800mV'.
> 
> Signed-off-by: Kever Yang <kever.yang@...k-chips.com>

applied for 5.6 (or maybe still 5.5)

Thanks
Heiko