RE: [PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
Hi Geert,
> -Original Message-
> From: Geert Uytterhoeven
> Sent: 28 September 2020 08:26
> To: Lad, Prabhakar
> Cc: Prabhakar Mahadev Lad ; Magnus
> Damm ; Rob Herring
> ; DRI Development ;
> Linux-Renesas ; open
> list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
> ; LKML ;
> Laurent Pinchart
> Subject: Re: [PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
>
> Hi Prabhakar,
>
> On Sun, Sep 27, 2020 at 10:04 PM Laurent Pinchart
> wrote:
> > On Sun, Sep 27, 2020 at 02:01:50PM +0100, Lad, Prabhakar wrote:
> > > On Mon, Aug 24, 2020 at 1:48 AM Laurent Pinchart wrote:
> > > > On Thu, Aug 13, 2020 at 03:00:41PM +0100, Lad Prabhakar wrote:
> > > > > The iwg21d comes with a 7" capacitive touch screen, therefore
> > > > > add support for it.
> > > > >
> > > > > Signed-off-by: Lad Prabhakar
> > > > > Reviewed-by: Marian-Cristian Rotariu
> > > > >
> > > >
> > > > Everything seems to match the schematics :-)
> > > >
> > > > Reviewed-by: Laurent Pinchart
> > > >
> > > > > ---
> > > > > v1->v2
> > > > > * This patch is part of series [1] (rest of the patches have be
> > > > > accepted
> > > > > by Geert [2]).
> > > > > * Added regulator for lvds
> > > > > * Added reset pin for touchpanel
> > > > > * This patch is based on series [3]
> > > > >
> > > > > [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > > > ?series=330277
> > > > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
> > > > > renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10
> > > > > [3] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > > > ?series=330957
> > > > > ---
> > > > > arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99
> > > > > +
> > > > > 1 file changed, 99 insertions(+)
> > >
> > > Would you be queueing this patch along with DRM driver patches for v5.10 ?
> >
> > No, I expect Geert to do so, DT patches go through his tree. I handle
> > the drivers and DT bindings.
>
> Indeed.
>
> As the dependencies are now in linux-next, I'm queueing this in
> renesas-devel for v5.11, after fixing all conflicts due to recent
> additions, and sorting before
>
This also needs changing vcc-supply to power-supply for lvds receiver due to
recent binding changes, probably Ill do the above and post a v3.
Cheers,
Prabhakar
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 --
> ge...@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like
> that.
> -- Linus Torvalds
Renesas Electronics Europe GmbH, Geschaeftsfuehrer/President: Carsten Jauch,
Sitz der Gesellschaft/Registered office: Duesseldorf, Arcadiastrasse 10, 40472
Duesseldorf, Germany, Handelsregister/Commercial Register: Duesseldorf, HRB
3708 USt-IDNr./Tax identification no.: DE 119353406 WEEE-Reg.-Nr./WEEE reg.
no.: DE 14978647
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Re: [PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
Hi Prabhakar,
On Mon, Sep 28, 2020 at 9:52 AM Prabhakar Mahadev Lad
wrote:
> > On Sun, Sep 27, 2020 at 10:04 PM Laurent Pinchart
> > wrote:
> > > On Sun, Sep 27, 2020 at 02:01:50PM +0100, Lad, Prabhakar wrote:
> > > > On Mon, Aug 24, 2020 at 1:48 AM Laurent Pinchart wrote:
> > > > > On Thu, Aug 13, 2020 at 03:00:41PM +0100, Lad Prabhakar wrote:
> > > > > > The iwg21d comes with a 7" capacitive touch screen, therefore
> > > > > > add support for it.
> > > > > >
> > > > > > Signed-off-by: Lad Prabhakar
> > > > > >
> > > > > > Reviewed-by: Marian-Cristian Rotariu
> > > > > >
> > > > >
> > > > > Everything seems to match the schematics :-)
> > > > >
> > > > > Reviewed-by: Laurent Pinchart
> > > > >
> > > > > > ---
> > > > > > v1->v2
> > > > > > * This patch is part of series [1] (rest of the patches have be
> > > > > > accepted
> > > > > > by Geert [2]).
> > > > > > * Added regulator for lvds
> > > > > > * Added reset pin for touchpanel
> > > > > > * This patch is based on series [3]
> > > > > >
> > > > > > [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > > > > ?series=330277
> > > > > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
> > > > > > renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10
> > > > > > [3] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > > > > ?series=330957
> > > > > > ---
> > > > > > arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99
> > > > > > +
> > > > > > 1 file changed, 99 insertions(+)
> > > >
> > > > Would you be queueing this patch along with DRM driver patches for
> > > > v5.10 ?
> > >
> > > No, I expect Geert to do so, DT patches go through his tree. I handle
> > > the drivers and DT bindings.
> >
> > Indeed.
> >
> > As the dependencies are now in linux-next, I'm queueing this in
> > renesas-devel for v5.11, after fixing all conflicts due to recent
> > additions, and sorting before
> >
> This also needs changing vcc-supply to power-supply for lvds receiver due to
> recent binding changes, probably Ill do the above and post a v3.
Oh, I didn't know that. So please send a v3, so I can replace the commit
in my renesas-arm-dt-for-v5.11 branch.
Thanks!
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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Re: [PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
Hi Prabhakar,
On Sun, Sep 27, 2020 at 10:04 PM Laurent Pinchart
wrote:
> On Sun, Sep 27, 2020 at 02:01:50PM +0100, Lad, Prabhakar wrote:
> > On Mon, Aug 24, 2020 at 1:48 AM Laurent Pinchart wrote:
> > > On Thu, Aug 13, 2020 at 03:00:41PM +0100, Lad Prabhakar wrote:
> > > > The iwg21d comes with a 7" capacitive touch screen, therefore
> > > > add support for it.
> > > >
> > > > Signed-off-by: Lad Prabhakar
> > > > Reviewed-by: Marian-Cristian Rotariu
> > > >
> > >
> > > Everything seems to match the schematics :-)
> > >
> > > Reviewed-by: Laurent Pinchart
> > >
> > > > ---
> > > > v1->v2
> > > > * This patch is part of series [1] (rest of the patches have be accepted
> > > > by Geert [2]).
> > > > * Added regulator for lvds
> > > > * Added reset pin for touchpanel
> > > > * This patch is based on series [3]
> > > >
> > > > [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > > ?series=330277
> > > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
> > > > renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10
> > > > [3] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > > ?series=330957
> > > > ---
> > > > arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99 +
> > > > 1 file changed, 99 insertions(+)
> >
> > Would you be queueing this patch along with DRM driver patches for v5.10 ?
>
> No, I expect Geert to do so, DT patches go through his tree. I handle
> the drivers and DT bindings.
Indeed.
As the dependencies are now in linux-next, I'm queueing this in
renesas-devel for v5.11, after fixing all conflicts due to recent
additions, and sorting before
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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Re: [PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
Hi Laurent,
On Mon, Aug 24, 2020 at 1:48 AM Laurent Pinchart
wrote:
>
> Hi Prabhakar,
>
> Thank you for the patch.
>
> On Thu, Aug 13, 2020 at 03:00:41PM +0100, Lad Prabhakar wrote:
> > The iwg21d comes with a 7" capacitive touch screen, therefore
> > add support for it.
> >
> > Signed-off-by: Lad Prabhakar
> > Reviewed-by: Marian-Cristian Rotariu
> >
>
> Everything seems to match the schematics :-)
>
> Reviewed-by: Laurent Pinchart
>
> > ---
> > v1->v2
> > * This patch is part of series [1] (rest of the patches have be accepted
> > by Geert [2]).
> > * Added regulator for lvds
> > * Added reset pin for touchpanel
> > * This patch is based on series [3]
> >
> > [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > ?series=330277
> > [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
> > renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10
> > [3] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > ?series=330957
> > ---
> > arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99 +
> > 1 file changed, 99 insertions(+)
> >
Would you be queueing this patch along with DRM driver patches for v5.10 ?
Cheers,
Prabhakar
> > diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > index b3461a61a4bf..9bf4fbd9c736 100644
> > --- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > @@ -30,6 +30,7 @@
> >
> > /dts-v1/;
> > #include "r8a7742-iwg21m.dtsi"
> > +#include
> >
> > / {
> > model = "iWave Systems RainboW-G21D-Qseven board based on RZ/G1H";
> > @@ -52,6 +53,51 @@
> > clock-frequency = <2600>;
> > };
> >
> > + lcd_backlight: backlight {
> > + compatible = "pwm-backlight";
> > + pwms = < 2 500 0>;
> > + brightness-levels = <0 4 8 16 32 64 128 255>;
> > + pinctrl-0 = <_pins>;
> > + pinctrl-names = "default";
> > + default-brightness-level = <7>;
> > + enable-gpios = < 11 GPIO_ACTIVE_HIGH>;
> > + };
> > +
> > + lvds-receiver {
> > + compatible = "ti,ds90cf384a", "lvds-decoder";
> > + vcc-supply = <_3v3_tft1>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > + lvds_receiver_in: endpoint {
> > + remote-endpoint = <_out>;
> > + };
> > + };
> > + port@1 {
> > + reg = <1>;
> > + lvds_receiver_out: endpoint {
> > + remote-endpoint = <_in>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + panel {
> > + compatible = "edt,etm0700g0dh6";
> > + backlight = <_backlight>;
> > + power-supply = <_3v3_tft1>;
> > +
> > + port {
> > + panel_in: endpoint {
> > + remote-endpoint = <_receiver_out>;
> > + };
> > + };
> > + };
> > +
> > reg_1p5v: 1p5v {
> > compatible = "regulator-fixed";
> > regulator-name = "1P5V";
> > @@ -75,6 +121,17 @@
> > };
> > };
> >
> > + vcc_3v3_tft1: regulator-panel {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "vcc-3v3-tft1";
> > + regulator-min-microvolt = <330>;
> > + regulator-max-microvolt = <330>;
> > + enable-active-high;
> > + startup-delay-us = <500>;
> > + gpio = < 28 GPIO_ACTIVE_HIGH>;
> > + };
> > +
> > vcc_sdhi2: regulator-vcc-sdhi2 {
> > compatible = "regulator-fixed";
> >
> > @@ -129,12 +186,34 @@
> > VDDIO-supply = <_3p3v>;
> > VDDD-supply = <_1p5v>;
> > };
> > +
> > + touch: touchpanel@38 {
> > + compatible = "edt,edt-ft5406";
> > + reg = <0x38>;
> > + interrupt-parent = <>;
> > + interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
> > + /* GP1_29 is also shared with audio codec reset pin */
> > + reset-gpios = < 29 GPIO_ACTIVE_LOW>;
> > + vcc-supply = <_3v3_tft1>;
> > + };
> > };
> >
> > {
> > status = "okay";
> > };
> >
> > + {
> > + status = "okay";
> > +};
> > +
> > + {
> > + touch-interrupt {
> > + gpio-hog;
> > + gpios = <24 GPIO_ACTIVE_LOW>;
> > + input;
> > + };
> > +};
> > +
> > {
> > pinctrl-0 = <_pins>;
> > pinctrl-names = "default";
> > @@ -165,6 +244,11 @@
> > function = "avb";
> > };
> >
> > +
Re: [PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
Hi Prabhakar,
On Sun, Sep 27, 2020 at 02:01:50PM +0100, Lad, Prabhakar wrote:
> On Mon, Aug 24, 2020 at 1:48 AM Laurent Pinchart wrote:
> > On Thu, Aug 13, 2020 at 03:00:41PM +0100, Lad Prabhakar wrote:
> > > The iwg21d comes with a 7" capacitive touch screen, therefore
> > > add support for it.
> > >
> > > Signed-off-by: Lad Prabhakar
> > > Reviewed-by: Marian-Cristian Rotariu
> > >
> >
> > Everything seems to match the schematics :-)
> >
> > Reviewed-by: Laurent Pinchart
> >
> > > ---
> > > v1->v2
> > > * This patch is part of series [1] (rest of the patches have be accepted
> > > by Geert [2]).
> > > * Added regulator for lvds
> > > * Added reset pin for touchpanel
> > > * This patch is based on series [3]
> > >
> > > [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > ?series=330277
> > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
> > > renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10
> > > [3] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> > > ?series=330957
> > > ---
> > > arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99 +
> > > 1 file changed, 99 insertions(+)
>
> Would you be queueing this patch along with DRM driver patches for v5.10 ?
No, I expect Geert to do so, DT patches go through his tree. I handle
the drivers and DT bindings.
> > > diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > > b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > > index b3461a61a4bf..9bf4fbd9c736 100644
> > > --- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > > +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> > > @@ -30,6 +30,7 @@
> > >
> > > /dts-v1/;
> > > #include "r8a7742-iwg21m.dtsi"
> > > +#include
> > >
> > > / {
> > > model = "iWave Systems RainboW-G21D-Qseven board based on RZ/G1H";
> > > @@ -52,6 +53,51 @@
> > > clock-frequency = <2600>;
> > > };
> > >
> > > + lcd_backlight: backlight {
> > > + compatible = "pwm-backlight";
> > > + pwms = < 2 500 0>;
> > > + brightness-levels = <0 4 8 16 32 64 128 255>;
> > > + pinctrl-0 = <_pins>;
> > > + pinctrl-names = "default";
> > > + default-brightness-level = <7>;
> > > + enable-gpios = < 11 GPIO_ACTIVE_HIGH>;
> > > + };
> > > +
> > > + lvds-receiver {
> > > + compatible = "ti,ds90cf384a", "lvds-decoder";
> > > + vcc-supply = <_3v3_tft1>;
> > > +
> > > + ports {
> > > + #address-cells = <1>;
> > > + #size-cells = <0>;
> > > +
> > > + port@0 {
> > > + reg = <0>;
> > > + lvds_receiver_in: endpoint {
> > > + remote-endpoint = <_out>;
> > > + };
> > > + };
> > > + port@1 {
> > > + reg = <1>;
> > > + lvds_receiver_out: endpoint {
> > > + remote-endpoint = <_in>;
> > > + };
> > > + };
> > > + };
> > > + };
> > > +
> > > + panel {
> > > + compatible = "edt,etm0700g0dh6";
> > > + backlight = <_backlight>;
> > > + power-supply = <_3v3_tft1>;
> > > +
> > > + port {
> > > + panel_in: endpoint {
> > > + remote-endpoint = <_receiver_out>;
> > > + };
> > > + };
> > > + };
> > > +
> > > reg_1p5v: 1p5v {
> > > compatible = "regulator-fixed";
> > > regulator-name = "1P5V";
> > > @@ -75,6 +121,17 @@
> > > };
> > > };
> > >
> > > + vcc_3v3_tft1: regulator-panel {
> > > + compatible = "regulator-fixed";
> > > +
> > > + regulator-name = "vcc-3v3-tft1";
> > > + regulator-min-microvolt = <330>;
> > > + regulator-max-microvolt = <330>;
> > > + enable-active-high;
> > > + startup-delay-us = <500>;
> > > + gpio = < 28 GPIO_ACTIVE_HIGH>;
> > > + };
> > > +
> > > vcc_sdhi2: regulator-vcc-sdhi2 {
> > > compatible = "regulator-fixed";
> > >
> > > @@ -129,12 +186,34 @@
> > > VDDIO-supply = <_3p3v>;
> > > VDDD-supply = <_1p5v>;
> > > };
> > > +
> > > + touch: touchpanel@38 {
> > > + compatible = "edt,edt-ft5406";
> > > + reg = <0x38>;
> > > + interrupt-parent = <>;
> > > + interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
> > > + /* GP1_29 is also shared with audio codec reset pin */
> > > + reset-gpios = < 29 GPIO_ACTIVE_LOW>;
> > > + vcc-supply = <_3v3_tft1>;
> > > + };
> > > };
> > >
> > > {
> > > status = "okay";
> > > };
> > >
> > > + {
Re: [PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
Hi Prabhakar,
Thank you for the patch.
On Thu, Aug 13, 2020 at 03:00:41PM +0100, Lad Prabhakar wrote:
> The iwg21d comes with a 7" capacitive touch screen, therefore
> add support for it.
>
> Signed-off-by: Lad Prabhakar
> Reviewed-by: Marian-Cristian Rotariu
>
Everything seems to match the schematics :-)
Reviewed-by: Laurent Pinchart
> ---
> v1->v2
> * This patch is part of series [1] (rest of the patches have be accepted
> by Geert [2]).
> * Added regulator for lvds
> * Added reset pin for touchpanel
> * This patch is based on series [3]
>
> [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> ?series=330277
> [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
> renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10
> [3] https://patchwork.kernel.org/project/linux-renesas-soc/list/
> ?series=330957
> ---
> arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99 +
> 1 file changed, 99 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> index b3461a61a4bf..9bf4fbd9c736 100644
> --- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> @@ -30,6 +30,7 @@
>
> /dts-v1/;
> #include "r8a7742-iwg21m.dtsi"
> +#include
>
> / {
> model = "iWave Systems RainboW-G21D-Qseven board based on RZ/G1H";
> @@ -52,6 +53,51 @@
> clock-frequency = <2600>;
> };
>
> + lcd_backlight: backlight {
> + compatible = "pwm-backlight";
> + pwms = < 2 500 0>;
> + brightness-levels = <0 4 8 16 32 64 128 255>;
> + pinctrl-0 = <_pins>;
> + pinctrl-names = "default";
> + default-brightness-level = <7>;
> + enable-gpios = < 11 GPIO_ACTIVE_HIGH>;
> + };
> +
> + lvds-receiver {
> + compatible = "ti,ds90cf384a", "lvds-decoder";
> + vcc-supply = <_3v3_tft1>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + lvds_receiver_in: endpoint {
> + remote-endpoint = <_out>;
> + };
> + };
> + port@1 {
> + reg = <1>;
> + lvds_receiver_out: endpoint {
> + remote-endpoint = <_in>;
> + };
> + };
> + };
> + };
> +
> + panel {
> + compatible = "edt,etm0700g0dh6";
> + backlight = <_backlight>;
> + power-supply = <_3v3_tft1>;
> +
> + port {
> + panel_in: endpoint {
> + remote-endpoint = <_receiver_out>;
> + };
> + };
> + };
> +
> reg_1p5v: 1p5v {
> compatible = "regulator-fixed";
> regulator-name = "1P5V";
> @@ -75,6 +121,17 @@
> };
> };
>
> + vcc_3v3_tft1: regulator-panel {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "vcc-3v3-tft1";
> + regulator-min-microvolt = <330>;
> + regulator-max-microvolt = <330>;
> + enable-active-high;
> + startup-delay-us = <500>;
> + gpio = < 28 GPIO_ACTIVE_HIGH>;
> + };
> +
> vcc_sdhi2: regulator-vcc-sdhi2 {
> compatible = "regulator-fixed";
>
> @@ -129,12 +186,34 @@
> VDDIO-supply = <_3p3v>;
> VDDD-supply = <_1p5v>;
> };
> +
> + touch: touchpanel@38 {
> + compatible = "edt,edt-ft5406";
> + reg = <0x38>;
> + interrupt-parent = <>;
> + interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
> + /* GP1_29 is also shared with audio codec reset pin */
> + reset-gpios = < 29 GPIO_ACTIVE_LOW>;
> + vcc-supply = <_3v3_tft1>;
> + };
> };
>
> {
> status = "okay";
> };
>
> + {
> + status = "okay";
> +};
> +
> + {
> + touch-interrupt {
> + gpio-hog;
> + gpios = <24 GPIO_ACTIVE_LOW>;
> + input;
> + };
> +};
> +
> {
> pinctrl-0 = <_pins>;
> pinctrl-names = "default";
> @@ -165,6 +244,11 @@
> function = "avb";
> };
>
> + backlight_pins: backlight {
> + groups = "tpu0_to2";
> + function = "tpu0";
> + };
> +
> i2c2_pins: i2c2 {
> groups = "i2c2_b";
> function = "i2c2";
> @@ -208,6 +292,17 @@
> };
> };
>
> + {
> + status = "okay";
> + ports {
> + port@1 {
> + lvds0_out: endpoint {
> + remote-endpoint = <_receiver_in>;
> +
[PATCH v2] ARM: dts: r8a7742-iwg21d-q7: Add LCD support
The iwg21d comes with a 7" capacitive touch screen, therefore
add support for it.
Signed-off-by: Lad Prabhakar
Reviewed-by: Marian-Cristian Rotariu
---
v1->v2
* This patch is part of series [1] (rest of the patches have be accepted
by Geert [2]).
* Added regulator for lvds
* Added reset pin for touchpanel
* This patch is based on series [3]
[1] https://patchwork.kernel.org/project/linux-renesas-soc/list/
?series=330277
[2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10
[3] https://patchwork.kernel.org/project/linux-renesas-soc/list/
?series=330957
---
arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99 +
1 file changed, 99 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index b3461a61a4bf..9bf4fbd9c736 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -30,6 +30,7 @@
/dts-v1/;
#include "r8a7742-iwg21m.dtsi"
+#include
/ {
model = "iWave Systems RainboW-G21D-Qseven board based on RZ/G1H";
@@ -52,6 +53,51 @@
clock-frequency = <2600>;
};
+ lcd_backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = < 2 500 0>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ pinctrl-0 = <_pins>;
+ pinctrl-names = "default";
+ default-brightness-level = <7>;
+ enable-gpios = < 11 GPIO_ACTIVE_HIGH>;
+ };
+
+ lvds-receiver {
+ compatible = "ti,ds90cf384a", "lvds-decoder";
+ vcc-supply = <_3v3_tft1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ lvds_receiver_in: endpoint {
+ remote-endpoint = <_out>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ lvds_receiver_out: endpoint {
+ remote-endpoint = <_in>;
+ };
+ };
+ };
+ };
+
+ panel {
+ compatible = "edt,etm0700g0dh6";
+ backlight = <_backlight>;
+ power-supply = <_3v3_tft1>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <_receiver_out>;
+ };
+ };
+ };
+
reg_1p5v: 1p5v {
compatible = "regulator-fixed";
regulator-name = "1P5V";
@@ -75,6 +121,17 @@
};
};
+ vcc_3v3_tft1: regulator-panel {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vcc-3v3-tft1";
+ regulator-min-microvolt = <330>;
+ regulator-max-microvolt = <330>;
+ enable-active-high;
+ startup-delay-us = <500>;
+ gpio = < 28 GPIO_ACTIVE_HIGH>;
+ };
+
vcc_sdhi2: regulator-vcc-sdhi2 {
compatible = "regulator-fixed";
@@ -129,12 +186,34 @@
VDDIO-supply = <_3p3v>;
VDDD-supply = <_1p5v>;
};
+
+ touch: touchpanel@38 {
+ compatible = "edt,edt-ft5406";
+ reg = <0x38>;
+ interrupt-parent = <>;
+ interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
+ /* GP1_29 is also shared with audio codec reset pin */
+ reset-gpios = < 29 GPIO_ACTIVE_LOW>;
+ vcc-supply = <_3v3_tft1>;
+ };
};
{
status = "okay";
};
+ {
+ status = "okay";
+};
+
+ {
+ touch-interrupt {
+ gpio-hog;
+ gpios = <24 GPIO_ACTIVE_LOW>;
+ input;
+ };
+};
+
{
pinctrl-0 = <_pins>;
pinctrl-names = "default";
@@ -165,6 +244,11 @@
function = "avb";
};
+ backlight_pins: backlight {
+ groups = "tpu0_to2";
+ function = "tpu0";
+ };
+
i2c2_pins: i2c2 {
groups = "i2c2_b";
function = "i2c2";
@@ -208,6 +292,17 @@
};
};
+ {
+ status = "okay";
+ ports {
+ port@1 {
+ lvds0_out: endpoint {
+ remote-endpoint = <_receiver_in>;
+ };
+ };
+ };
+};
+
_sound {
pinctrl-0 = <_pins>;
pinctrl-names = "default";
@@ -261,6 +356,10 @@
shared-pin;
};
+ {
+ status = "okay";
+};
+
{
status = "okay";
};
--
2.17.1
___
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