From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: [PATCH 3/4] OMAPDSS: panel-sharp-ls037v7dw01: add device tree support Date: Fri, 9 May 2014 11:31:10 +0300 Message-ID: <536C924E.5000307@ti.com> References: <1398815562-24113-1-git-send-email-tony@atomide.com> <1398815562-24113-4-git-send-email-tony@atomide.com> <5369EAE7.3030705@ti.com> <20140507150343.GA9502@atomide.com> <536A5920.1020908@ti.com> <20140507175919.GH9502@atomide.com> <20140508233300.GI2198@atomide.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Jb7IK3tOp3n3WPSCdjqKiKvXing8HJhMK" Return-path: In-Reply-To: <20140508233300.GI2198@atomide.com> Sender: linux-omap-owner@vger.kernel.org To: Tony Lindgren Cc: linux-arm-kernel@lists.infradead.org, linux-fbdev@vger.kernel.org, devicetree@vger.kernel.org, linux-omap@vger.kernel.org List-Id: devicetree@vger.kernel.org --Jb7IK3tOp3n3WPSCdjqKiKvXing8HJhMK Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 09/05/14 02:33, Tony Lindgren wrote: > * Tony Lindgren [140507 11:00]: >> * Tomi Valkeinen [140507 09:03]: >>> On 07/05/14 18:03, Tony Lindgren wrote: >>>> >>>> BTW, I'm also personally fine with all five gpios showing in a singl= e >>>> gpios property, I'm not too exited about naming anything in DT.. >>> >>> I don't have a strong opinion here. I don't have much experience with= >>> DT, especially with making bindings compatible with other ones. >>> >>> I'd just forget the simple-panel, and have single gpio array. >> >> Well if it's a don't care flag for both of us, let's try to use >> the existing standard for simple-panel.txt and add mode-gpios >> property. I'll post a patch for that. >=20 > Here's an updated version using enable-gpios, reset-gpios and > mode-gpios. So it follows simple-panel.txt and adds mode-gpios > that's currently specific to this panel only. >=20 > Also updated for -EPROBE_DEFER handling, tested that by changing > one of the GPIOs to be a twl4030 GPIO. To speed things up a bit, I made the changes I suggested. Compile tested only. =46rom f8360778e8bc96096cbb1793a18a8c240376ca09 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Mon, 28 Apr 2014 20:22:21 -0700 Subject: [PATCH] OMAPDSS: panel-sharp-ls037v7dw01: add device tree suppor= t Add device tree support for sharp-ls037v7dw01 panel. Signed-off-by: Tony Lindgren Signed-off-by: Tomi Valkeinen --- .../bindings/video/sharp,ls037v7dw01.txt | 44 ++++++++++ .../omap2/displays-new/panel-sharp-ls037v7dw01.c | 95 ++++++++++++++++= +++++- 2 files changed, 136 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/video/sharp,ls037v7= dw01.txt diff --git a/Documentation/devicetree/bindings/video/sharp,ls037v7dw01.tx= t b/Documentation/devicetree/bindings/video/sharp,ls037v7dw01.txt new file mode 100644 index 000000000000..2a60fd9a2607 --- /dev/null +++ b/Documentation/devicetree/bindings/video/sharp,ls037v7dw01.txt @@ -0,0 +1,44 @@ +SHARP LS037V7DW01 TFT-LCD panel +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Required properties: +- compatible: "sharp,ls037v7dw01" + +Optional properties: +- label: a symbolic name for the panel +- enable-gpios: a GPIO spec for the optional enable pin + this pin is the INI pin as specified in the LS037V7DW01.pdf file. +- reset-gpios: a GPIO spec for the optional reset pin + this pin is the RESB pin as specified in the LS037V7DW01.pdf file. +- mode-gpios: a GPIO + ordered MO, LR, and UD as specified in the LS037V7DW01.pdf file. + +Required nodes: +- Video port for DPI input + +This panel can have zero to five GPIOs to configure +to change configuration between QVGA and VGA mode +and the scan direction. As these pins can be also +configured with external pulls, all the GPIOs are +considered optional with holes in the array. + +Example +------- + +Example when connected to a omap2+ based device: + +lcd0: display { + compatible =3D "sharp,ls037v7dw01"; + power-supply =3D <&lcd_3v3>; + enable-gpios =3D <&gpio5 24 GPIO_ACTIVE_HIGH>; /* gpio152, lcd INI */ + reset-gpios =3D <&gpio5 27 GPIO_ACTIVE_HIGH>; /* gpio155, lcd RESB */ + mode-gpios =3D <&gpio5 26 GPIO_ACTIVE_HIGH /* gpio154, lcd MO */ + &gpio1 2 GPIO_ACTIVE_HIGH /* gpio2, lcd LR */ + &gpio1 3 GPIO_ACTIVE_HIGH>; /* gpio3, lcd UD */ + + port { + lcd_in: endpoint { + remote-endpoint =3D <&dpi_out>; + }; + }; +}; diff --git a/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw= 01.c b/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c index 8adde628ad38..91eeb2ec93a8 100644 --- a/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c +++ b/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c @@ -12,15 +12,18 @@ #include #include #include +#include +#include #include #include - +#include #include