linux-kernel - Re: [PATCH v2] display: panel: Add KOE tx14d24vm1bpa display support (320x240)

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Message-ID: <20180708104312.2e4d7586@jawa>
Date:   Sun, 8 Jul 2018 10:43:12 +0200
From:   Lukasz Majewski <lukma@...x.de>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        David Airlie <airlied@...ux.ie>, Rob Herring <robh@...nel.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] display: panel: Add KOE tx14d24vm1bpa display
 support (320x240)

Hi Thierry,

> Hi Thierry,
> 
> > Hi Thierry,
> >   
> > > This commit adds support for KOE's 5.7" display.
> > > 
> > > Signed-off-by: Lukasz Majewski <lukma@...x.de>
> > > Reviewed-by: Rob Herring <robh@...nel.org>
> > > ---
> > > Changes for v2:
> > > - Add Reviewed-by tag    
> > 
> > Could you apply this patch to your tree?  
> 
> If I may gentle ping on this patch..... It is quite mature now... :-)

If I may gentle ping on this patch...

Thanks in advance,
Łukasz Majewski

> 
> Best regards,
> Łukasz
> 
> > 
> > Thanks in advance,
> > Łukasz
> >   
> > > 
> > > ---
> > >  .../bindings/display/panel/koe,tx14d24vm1bpa.txt   | 42
> > > ++++++++++++++++++++++
> > > drivers/gpu/drm/panel/panel-simple.c               | 26
> > > ++++++++++++++ 2 files changed, 68 insertions(+) create mode
> > > 100644
> > > Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> > > 
> > > diff --git
> > > a/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> > > b/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> > > new file mode 100644 index 000000000000..be7ac666807b
> > > --- /dev/null +++
> > > b/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> > > @@ -0,0 +1,42 @@ +Kaohsiung Opto-Electronics Inc. 5.7" QVGA (320 x
> > > 240) TFT LCD panel +
> > > +Required properties:
> > > +- compatible: should be "koe,tx14d24vm1bpa"
> > > +- backlight: phandle of the backlight device attached to the
> > > panel +- power-supply: single regulator to provide the supply
> > > voltage +
> > > +Required nodes:
> > > +- port: Parallel port mapping to connect this display
> > > +
> > > +This panel needs single power supply voltage. Its backlight is
> > > conntrolled +via PWM signal.
> > > +
> > > +Example:
> > > +--------
> > > +
> > > +Example device-tree definition when connected to iMX53 based
> > > board +
> > > +	lcd_panel: lcd-panel {
> > > +		compatible = "koe,tx14d24vm1bpa";
> > > +		backlight = <&backlight_lcd>;
> > > +		power-supply = <&reg_3v3>;
> > > +
> > > +		port {
> > > +			lcd_panel_in: endpoint {
> > > +				remote-endpoint =
> > > <&lcd_display_out>;
> > > +			};
> > > +		};
> > > +	};
> > > +
> > > +Then one needs to extend the dispX node:
> > > +
> > > +	lcd_display: disp1 {
> > > +
> > > +		port@1 {
> > > +			reg = <1>;
> > > +
> > > +			lcd_display_out: endpoint {
> > > +				remote-endpoint =
> > > <&lcd_panel_in>;
> > > +			};
> > > +		};
> > > +	};
> > > diff --git a/drivers/gpu/drm/panel/panel-simple.c
> > > b/drivers/gpu/drm/panel/panel-simple.c index
> > > d9984bdb5bb5..103b43ce7dee 100644 ---
> > > a/drivers/gpu/drm/panel/panel-simple.c +++
> > > b/drivers/gpu/drm/panel/panel-simple.c @@ -1268,6 +1268,29 @@
> > > static const struct panel_desc innolux_zj070na_01p = { },
> > >  };
> > >  
> > > +static const struct display_timing koe_tx14d24vm1bpa_timing = {
> > > +	.pixelclock = { 5580000, 5850000, 6200000 },
> > > +	.hactive = { 320, 320, 320 },
> > > +	.hfront_porch = { 30, 30, 30 },
> > > +	.hback_porch = { 30, 30, 30 },
> > > +	.hsync_len = { 1, 5, 17 },
> > > +	.vactive = { 240, 240, 240 },
> > > +	.vfront_porch = { 6, 6, 6 },
> > > +	.vback_porch = { 5, 5, 5 },
> > > +	.vsync_len = { 1, 2, 11 },
> > > +	.flags = DISPLAY_FLAGS_DE_HIGH,
> > > +};
> > > +
> > > +static const struct panel_desc koe_tx14d24vm1bpa = {
> > > +	.timings = &koe_tx14d24vm1bpa_timing,
> > > +	.num_timings = 1,
> > > +	.bpc = 6,
> > > +	.size = {
> > > +		.width = 115,
> > > +		.height = 86,
> > > +	},
> > > +};
> > > +
> > >  static const struct display_timing koe_tx31d200vm0baa_timing = {
> > >  	.pixelclock = { 39600000, 43200000, 48000000 },
> > >  	.hactive = { 1280, 1280, 1280 },
> > > @@ -2204,6 +2227,9 @@ static const struct of_device_id
> > > platform_of_match[] = { .compatible = "innolux,zj070na-01p",
> > >  		.data = &innolux_zj070na_01p,
> > >  	}, {
> > > +		.compatible = "koe,tx14d24vm1bpa",
> > > +		.data = &koe_tx14d24vm1bpa,
> > > +	}, {
> > >  		.compatible = "koe,tx31d200vm0baa",
> > >  		.data = &koe_tx31d200vm0baa,
> > >  	}, {    
> > 
> > 
> > 
> > 
> > Best regards,
> > 
> > Lukasz Majewski
> > 
> > --
> > 
> > DENX Software Engineering GmbH,      Managing Director: Wolfgang
> > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell,
> > Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email:
> > wd@...x.de  
> 
> 
> 
> 
> Best regards,
> 
> Lukasz Majewski
> 
> --
> 
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@...x.de




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@...x.de

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