From patchwork Wed Apr 3 00:19:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Stanley X-Patchwork-Id: 10882491 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D0D041390 for ; Wed, 3 Apr 2019 00:19:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B8D44289E1 for ; Wed, 3 Apr 2019 00:19:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A809C289E5; Wed, 3 Apr 2019 00:19:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D74D8289E2 for ; Wed, 3 Apr 2019 00:19:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E53F28924F; Wed, 3 Apr 2019 00:19:29 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by gabe.freedesktop.org (Postfix) with ESMTPS id B3D4C8924F for ; Wed, 3 Apr 2019 00:19:28 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id z9so7349567pgu.10 for ; Tue, 02 Apr 2019 17:19:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=VLWHuNFSN049kn9QrMYQtND+EczALKS7lhqGdvg+Txc=; b=YdZKtX+DN2Jo+UshS6ViD+n9tmb53qK3HSif0WgiLo8OFYMX/QVtCycbea0m2szaTv VxgkbM+w0qVdd/JBNuhTPpXu6pFr3PMA0asyjHgTSHbDF5xg8QYDd+1WSjOpPoezi4Ks K2AXa81jl14GLScXahCBR7U2kKhtmwTsg/oOUroAncXLDTbf58odlwqZhx8Z6wr0f4TM 5dyb8ubeeYCckqdPyU1PBo41Afa+R+jvwgxETv6YddchW/rIGUIVh7WoilX4F1XrOr0s YSr5j8tmYYiAspf8S2ybu54kpxJjQbc5w1t8gwCi+wzVX0da/mNIBeOkq9duOtNa6Ois bhZA== X-Gm-Message-State: APjAAAXRCAb+c4/7vMECrZ6zDJx+S5sAxQlM4lkV/11JmT6gBXy3K9qa gHrzeWKFIGlT7ktU7eEUuBm/MF14C9w= X-Google-Smtp-Source: APXvYqwokILXI552m+FCOpR79wYE4FmnCTIJ9H/OjXg4bIipPqBpVUc3+cTBOhHZqxdkVIMo90KB9A== X-Received: by 2002:a63:5c53:: with SMTP id n19mr4059055pgm.193.1554250768178; Tue, 02 Apr 2019 17:19:28 -0700 (PDT) Received: from voyager.jms.id.au ([36.255.48.244]) by smtp.gmail.com with ESMTPSA id p128sm32720594pfp.30.2019.04.02.17.19.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 02 Apr 2019 17:19:27 -0700 (PDT) Received: by voyager.jms.id.au (sSMTP sendmail emulation); Wed, 03 Apr 2019 10:49:20 +1030 From: Joel Stanley To: Daniel Vetter , Rob Herring Subject: [PATCH v3 1/3] dt-bindings: gpu: Add ASPEED GFX bindings document Date: Wed, 3 Apr 2019 10:49:07 +1030 Message-Id: <20190403001909.31637-2-joel@jms.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190403001909.31637-1-joel@jms.id.au> References: <20190403001909.31637-1-joel@jms.id.au> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VLWHuNFSN049kn9QrMYQtND+EczALKS7lhqGdvg+Txc=; b=U51JEyUAGJR4daCgC6KKvAhEKulSH9UuAWldWiwR8b1WujX72Kulj/JCAW4tD2Wicx OQogoc+aoWNJD2ceFwxHFVXWerbhJjxyQW4L6ypseEEXED2syBE2g2ryimnk+6LgSRHx VVnzr3rqKkP5w6kNGjUtt1hQUUt/nFf5GkmsiHz4pDYOUFVtTJPp8vrJh4ZOd2ZGzZIN gV9vYM3J6nC0Dq3wsCkXTlBn9fPnKjJxRgPhth4wSt0t0AhqsCvXcP8fr+V3WoZ4SgYy vJWVJaSpDjEfu3DPgMBZowAeqO010lRzU0GGn6R9qti9dhs2tYaf3wFxSyWxSaYwrmk9 vm7A== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org, David Airlie , dri-devel@lists.freedesktop.org, Andrew Jeffery , Sean Paul , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This describes the ASPEED BMC SoC's display controller. Signed-off-by: Joel Stanley Reviewed-by: Andrew Jeffery --- v3: Add Andrew's reviewed-by .../devicetree/bindings/gpu/aspeed-gfx.txt | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpu/aspeed-gfx.txt diff --git a/Documentation/devicetree/bindings/gpu/aspeed-gfx.txt b/Documentation/devicetree/bindings/gpu/aspeed-gfx.txt new file mode 100644 index 000000000000..a74033332668 --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/aspeed-gfx.txt @@ -0,0 +1,41 @@ +Device tree configuration for the GFX display deivce on the AST2500 SoCs. + +Required properties: + - compatible + * Must be one of the following: + + aspeed,ast2500-gfx + + aspeed,ast2400-gfx + * In addition, the ASPEED pinctrl bindings require the 'syscon' property to + be present + + - reg: Physical base address and length of the GFX registers + + - interrupts: interrupt number for the GFX device + + - clocks: clock number used to generate the pixel clock + + - resets: reset line that must be released to use the GFX device + + - memory-region: + Phandle to a memory region to allocate from, as defined in + Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt + + +Example: + +gfx: display@1e6e6000 { + compatible = "aspeed,ast2500-gfx", "syscon"; + reg = <0x1e6e6000 0x1000>; + reg-io-width = <4>; + clocks = <&syscon ASPEED_CLK_GATE_D1CLK>; + resets = <&syscon ASPEED_RESET_CRT1>; + interrupts = <0x19>; + memory-region = <&gfx_memory>; +}; + +gfx_memory: framebuffer { + size = <0x01000000>; + alignment = <0x01000000>; + compatible = "shared-dma-pool"; + reusable; +};