From patchwork Tue Dec 17 18:01:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H. Nikolaus Schaller" X-Patchwork-Id: 11299829 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2013C14F6 for ; Wed, 18 Dec 2019 08:13:49 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F244C24694 for ; Wed, 18 Dec 2019 08:13:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=goldelico.com header.i=@goldelico.com header.b="V73gYJxQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F244C24694 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goldelico.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0427A6E245; Wed, 18 Dec 2019 08:13:11 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mo6-p02-ob.smtp.rzone.de (mo6-p02-ob.smtp.rzone.de [IPv6:2a01:238:20a:202:5302::3]) by gabe.freedesktop.org (Postfix) with ESMTPS id BB1786E0D2 for ; Tue, 17 Dec 2019 18:02:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1576605753; s=strato-dkim-0002; d=goldelico.com; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=szAPfkhbEBP+X/6kBh4POpGrJM2G/F0sHfDcy7IRZ+g=; b=V73gYJxQM/v2jM2mWEhQNQYz7aqvr3fE6zvClMSOhIWzXcKB39b6poDERkfolKVuXm /eR4d7VPiejReNrdCx8LsyTlnBzf1DCtv46Mx7P1p2ijXhvVkdZq+by9Ytfscl2cm4Ca fg/8scJmXoHxBX8OnqfNN5yk2uoYpuzYLH9wWAoNqeObubaCGnVOtxCX62EFD21BEaHZ NtTZY7r7s7r6Gt/hESCBoTzN7QMeEe7VrGcRoqdBYmyP8J9N+OyiVL90Sp1WWCrvbWd0 ZBUzkiSCt1U3Ngfib049Ddir1tEe2TnhTGgY52FuuY6oCzVov5OFeb3iEF9VaWD2Qt4v VBew== X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o1mfYzBGHXH5Hd8HaSCa" X-RZG-CLASS-ID: mo00 Received: from iMac.fritz.box by smtp.strato.de (RZmta 46.0.7 DYNA|AUTH) with ESMTPSA id q020e2vBHI282dU (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Tue, 17 Dec 2019 19:02:08 +0100 (CET) From: "H. Nikolaus Schaller" To: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , =?utf-8?q?Beno=C3=AEt_Cousson?= , Tony Lindgren , Paul Cercueil , Ralf Baechle , Paul Burton , James Hogan Subject: [PATCH v4 1/8] dt-bindings: add img,pvrsgx.yaml for Imagination GPUs Date: Tue, 17 Dec 2019 19:01:59 +0100 Message-Id: X-Mailer: git-send-email 2.23.0 In-Reply-To: References: MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 18 Dec 2019 08:13:03 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-omap@vger.kernel.org, "H. Nikolaus Schaller" , openpvrsgx-devgroup@letux.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, kernel@pyra-handheld.com, letux-kernel@openphoenux.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The Imagination PVR/SGX GPU is part of several SoC from multiple vendors, e.g. TI OMAP, Ingenic JZ4780, Intel Poulsbo and others. With this binding, we describe how the SGX processor is interfaced to the SoC (registers, interrupt etc.). In most cases, Clock, Reset and power management is handled by a parent node or elsewhere. Tested by make dt_binding_check dtbs_check Signed-off-by: H. Nikolaus Schaller --- .../devicetree/bindings/gpu/img,pvrsgx.yaml | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml diff --git a/Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml b/Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml new file mode 100644 index 000000000000..44799774e34d --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpu/img,pvrsgx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Imagination PVR/SGX GPU + +maintainers: + - H. Nikolaus Schaller + +description: |+ + This binding describes the Imagination SGX5 series of 3D accelerators which + are found in several different SoC like TI OMAP, Sitara, Ingenic JZ4780, + Allwinner A83, and Intel Poulsbo and CedarView and more. + + For an almost complete list see: https://en.wikipedia.org/wiki/PowerVR#Implementations + + Only the Imagination SGX530, SGX540 and SGX544 GPUs are currently covered by + this binding but the extension of the pattern is straightforward. + + The SGX node is usually a child node of some DT node belonging to the SoC + which handles clocks, reset and general address space mapping of the SGX + register area. + +properties: + compatible: + enum: + # Example: BeagleBoard A/B/C, OpenPandora 600MHz + - ti,omap3-sgx530-121, img,sgx530-121, img,sgx530 + # Example: BeagleBoard XM, GTA04, OpenPandora 1GHz + - ti,omap3-sgx530-125, img,sgx530-125, img,sgx530 + # Example: BeagleBone Black + - ti,am3352-sgx530-125, img,sgx530-125, img,sgx530 + # Example: Pandaboard, Pandaboard ES + - ti,omap4-sgx540-120, img,sgx540-120, img,sgx540 + - ti,omap4-sgx544-112, img,sgx544-112, img,sgx544 + # Example: OMAP5 UEVM, Pyra Handheld + - ti,omap5-sgx544-116, img,sgx544-116, img,sgx544 + - ti,dra7-sgx544-116, img,sgx544-116, img,sgx544 + # Example: CI20 + - ingenic,jz4780-sgx540-120, img,sgx540-120, img,sgx540 + # the following entries are not validated with real hardware + # more TI SoC + - ti,am3517-sgx530-125, img,sgx530-125, img,sgx530 + - ti,am4-sgx530-125, img,sgx530-125, img,sgx530 + - ti,ti81xx-sgx530-125, img,sgx530-125, img,sgx530 + # Example: Banana-Pi-M3 (Allwinner A83T) + - allwinner,sun8i-a83t-sgx544-116, img,sgx544-116, img,sgx544 + # Example: Atom Z5xx + - intel,poulsbo-gma500-sgx535, img,sgx535-116, img,sgx535 + # Example: Atom Z24xx + - intel,medfield-gma-sgx540, img,sgx540-116, img,sgx540 + # Example: Atom N2600, D2500 + - intel,cedarview-gma3600-sgx545, img,sgx545-116, img,sgx545 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - |+ + #include + + gpu@fe00 { + compatible = "ti,omap-omap5-sgx544-116", "img,sgx544-116", "img,sgx544", "img,sgx5"; + reg = <0xfe00 0x200>; + interrupts = ; + }; + +...