linux-kernel - Re: [PATCH v2 4/4] ARM: dts: imx6sx: Add DISPLAY power domain support

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Message-ID: <20181031061134.GB10386@tiger>
Date:   Wed, 31 Oct 2018 14:11:36 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Leonard Crestez <leonard.crestez@....com>
Cc:     Lucas Stach <l.stach@...gutronix.de>,
        Richard Zhu <hongxing.zhu@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        Stefan Agner <stefan@...er.ch>, Marek Vasut <marex@...x.de>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 4/4] ARM: dts: imx6sx: Add DISPLAY power domain support

On Mon, Oct 08, 2018 at 06:06:23PM +0000, Leonard Crestez wrote:
> This was implemented in the driver but not actually defined and
> referenced in dts. This makes it always on.
> 
> From reference manual in section "10.4.1.4.1 Power Distribution":
> 
> "Display domain - The DISPLAY domain contains GIS, CSI, PXP, LCDIF,
> PCIe, DCIC, and LDB. It is supplied by internal regulator."
> 
> The current pd_pcie is actually only for PCIE_PHY, the PCIE ip block is
> actually inside the DISPLAY domain. Handle this by adding the pcie node
> in both power domains.
> 
> Signed-off-by: Leonard Crestez <leonard.crestez@....com>

Applied, thanks.