From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:470:142:3::10]:53419) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4Ajn-0004S3-F7 for guix-patches@gnu.org; Tue, 18 Feb 2020 16:49:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j4Ajm-0002nv-8h for guix-patches@gnu.org; Tue, 18 Feb 2020 16:49:03 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:35424) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j4Ajm-0002nG-5G for guix-patches@gnu.org; Tue, 18 Feb 2020 16:49:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1j4Ajm-0005TG-2u for guix-patches@gnu.org; Tue, 18 Feb 2020 16:49:02 -0500 Subject: [bug#39617] [PATCH 0/2] Add initial Pinebook Pro support Resent-Message-ID: Date: Tue, 18 Feb 2020 22:48:36 +0100 From: Danny Milosavljevic Message-ID: <20200218224836.49555de6@scratchpost.org> In-Reply-To: <20200216192741.16e7a4ae@scratchpost.org> References: <87tv3rd6sz.fsf@gnu.org> <20200216192741.16e7a4ae@scratchpost.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/=hQpZn81nBo1YTaAXk/gs+v"; protocol="application/pgp-signature"; micalg=pgp-sha256 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+kyle=kyleam.com@gnu.org Sender: "Guix-patches" To: Jan Nieuwenhuizen Cc: Vagrant Cascadian , 39617@debbugs.gnu.org --Sig_/=hQpZn81nBo1YTaAXk/gs+v Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Janneke, On Sun, 16 Feb 2020 19:27:41 +0100 Danny Milosavljevic wrote: > It should be possible (and much less weird) for the vendor to just enable= the > TFT display in u-boot and display stuff there. >=20 > (linux-sunxi, the dev group for another ARM SoC vendor, does it just fine= in > mainline u-boot--so it is possible and can maybe be copied) I came across an example u-boot configuration for LCD screen: https://github.com/Openvario/meta-openvario/blob/warrior/recipes-bsp/u-boot= /files/openvario-57-lvds/openvario_defconfig especially=20 CONFIG_VIDEO_LCD_MODE=3D"x:640,y:480,depth:18,pclk_khz:25000,hs:1,vs:1,le:1= 57,ri:2,up:42,lo:2,sync:3,vmode:0" CONFIG_VIDEO_LCD_PANEL_LVDS=3Dy CONFIG_VIDEO_LCD_BL_PWM=3D"PB2" CONFIG_VIDEO_LCD_BL_PWM_ACTIVE_LOW=3Dn We'd still need to get the timing parameters (CONFIG_VIDEO_LCD_MODE) for th= e Pinebook Pro (from the panel datasheet). And that's if that thing is connected via LVDS in the first place. But that's all moot if your Pinebook Pro is bricked for good. --Sig_/=hQpZn81nBo1YTaAXk/gs+v Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEds7GsXJ0tGXALbPZ5xo1VCwwuqUFAl5MW7QACgkQ5xo1VCww uqVn/ggAm0/9hZPPBpbdgPLWWfGpuOK2wPUcxzzf90qWLbrMJ3B+C66YuI5uLEln LDB+ghg9kI0c44PeqACUNVuCdmZgba46sE8xo2cr24wquxqs9VDVMbjeasC8dtNg sNmzi5pWJ186zG7pKtznhwaG0EsCZd8W9aB8uc8WLzWPcHwlKgwqbkoQmB1i5YvI F/ER0h8s00hqTKNOocTWYGbV8859c8sNoVfeS/iLmTcZ47yxXFfRqOwH2LOmtTRG 3bih3ZUuX6as7adunBU4zx6TmkmhY8I+h9RVfyQcq2cVjOzDLycX+OFcOQawjODp yxy9IccEqTgeVSJy2UvhnIH2mXRQdQ== =jlUn -----END PGP SIGNATURE----- --Sig_/=hQpZn81nBo1YTaAXk/gs+v--