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Message-ID: <1607257.kzKzzg5gBe@avalon> Date: Fri, 06 Apr 2018 16:47:23 +0300 From: Laurent Pinchart <laurent.pinchart@...asonboard.com> To: Jacopo Mondi <jacopo+renesas@...ndi.org> Cc: horms@...ge.net.au, magnus.damm@...il.com, geert@...ux-m68k.org, niklas.soderlund@...natech.se, sergei.shtylyov@...entembedded.com, dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 5/7] arm64: dts: renesas: eagle: Enable DU Hi again, On Friday, 6 April 2018 16:45:16 EEST Laurent Pinchart wrote: > On Friday, 6 April 2018 16:08:10 EEST Jacopo Mondi wrote: > > Enable DU for Renesas R-Car V3M Eagle board. > > > > Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org> > > --- > > > > arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 11 +++++++++++ > > 1 file changed, 11 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts > > b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts index 3c5f598..144b847 > > 100644 > > --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts > > +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts > > @@ -76,6 +76,11 @@ > > > > function = "i2c0"; > > > > }; > > > > + du_pins: du { > > + groups = "du_rgb666", "du_sync", "du_oddf", "du_clk_out"; > > + function = "du"; > > + }; > > As far as I can tell the DU parallel output isn't used on the Eagle board, > but is used on the Eagle expansion board. I would move this to patch 7/7 in > this series. My bad, patch 7/7 describes the on-board HDMI encoder, not the one on the expansion board. I would thus drop pinmux completely for now until we add support for the expansion board. > > scif0_pins: scif0 { > > > > groups = "scif0_data"; > > function = "scif0"; > > > > @@ -93,3 +98,9 @@ > > > > status = "okay"; > > > > }; > > > > + > > +&du { > > + pinctrl-0 = <&du_pins>; > > + pinctrl-names = "default"; > > These two properties should be moved to patch 7/7 too. So this should be removed. > > + status = "okay"; > > +}; > > There's little use for enabling the DU in DT if you have no output port > described. I'd move this to patch 6/7. And I'd merge the status attribute and patches 6/7 and 7/7 all together. -- Regards, Laurent Pinchart
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