From patchwork Sat Aug 3 14:20:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 11074479 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 C8332174A for ; Sat, 3 Aug 2019 14:21:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B64C028613 for ; Sat, 3 Aug 2019 14:21:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA6B9288C7; Sat, 3 Aug 2019 14:21:08 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5328D28613 for ; Sat, 3 Aug 2019 14:21:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727763AbfHCOUo (ORCPT ); Sat, 3 Aug 2019 10:20:44 -0400 Received: from onstation.org ([52.200.56.107]:57298 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727750AbfHCOUn (ORCPT ); Sat, 3 Aug 2019 10:20:43 -0400 Received: from localhost.localdomain (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id 95CEB3E99C; Sat, 3 Aug 2019 14:20:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=onstation.org; s=default; t=1564842043; bh=Tmdnwzu6ddgCiEXgtofjWAAx33POUU2yRy5Wp0tg268=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nCeuOc50pAOxdF5xG/DTpWLeIFxUNoCujOIfYS7K13nntM+UHOVHxOxliECMo/fXC G5yRnrQGh1nPT6BHskhZpVD3Y4lxvcWU1WTiS1WHH4fLu8mpl8UjCAWt87UG/NRCe9 7geYl5Rqa3K8I2GgS6i1zIWVnmZmSW0mfit1bigU= From: Brian Masney To: agross@kernel.org, robdclark@gmail.com, sean@poorly.run, robh+dt@kernel.org, bjorn.andersson@linaro.org Cc: airlied@linux.ie, daniel@ffwll.ch, mark.rutland@arm.com, jonathan@marek.ca, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, jcrouse@codeaurora.org Subject: [PATCH v4 2/6] dt-bindings: display: msm: gmu: add optional ocmem property Date: Sat, 3 Aug 2019 10:20:22 -0400 Message-Id: <20190803142026.9647-3-masneyb@onstation.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190803142026.9647-1-masneyb@onstation.org> References: <20190803142026.9647-1-masneyb@onstation.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Some A3xx and A4xx Adreno GPUs do not have GMEM inside the GPU core and must use the On Chip MEMory (OCMEM) in order to be functional. Add the optional ocmem property to the Adreno Graphics Management Unit bindings. Signed-off-by: Brian Masney --- Changes since v3: - correct link to qcom,ocmem.yaml Changes since v2: - Add a3xx example with OCMEM Changes since v1: - None .../devicetree/bindings/display/msm/gmu.txt | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/gmu.txt b/Documentation/devicetree/bindings/display/msm/gmu.txt index 90af5b0a56a9..672d557caba4 100644 --- a/Documentation/devicetree/bindings/display/msm/gmu.txt +++ b/Documentation/devicetree/bindings/display/msm/gmu.txt @@ -31,6 +31,10 @@ Required properties: - iommus: phandle to the adreno iommu - operating-points-v2: phandle to the OPP operating points +Optional properties: +- ocmem: phandle to the On Chip Memory (OCMEM) that's present on some Snapdragon + SoCs. See Documentation/devicetree/bindings/sram/qcom,ocmem.yaml. + Example: / { @@ -63,3 +67,49 @@ Example: operating-points-v2 = <&gmu_opp_table>; }; }; + +a3xx example with OCMEM support: + +/ { + ... + + gpu: adreno@fdb00000 { + compatible = "qcom,adreno-330.2", + "qcom,adreno"; + reg = <0xfdb00000 0x10000>; + reg-names = "kgsl_3d0_reg_memory"; + interrupts = ; + interrupt-names = "kgsl_3d0_irq"; + clock-names = "core", + "iface", + "mem_iface"; + clocks = <&mmcc OXILI_GFX3D_CLK>, + <&mmcc OXILICX_AHB_CLK>, + <&mmcc OXILICX_AXI_CLK>; + ocmem = <&ocmem>; + power-domains = <&mmcc OXILICX_GDSC>; + operating-points-v2 = <&gpu_opp_table>; + iommus = <&gpu_iommu 0>; + }; + + ocmem: ocmem@fdd00000 { + compatible = "qcom,msm8974-ocmem"; + + reg = <0xfdd00000 0x2000>, + <0xfec00000 0x180000>; + reg-names = "ctrl", + "mem"; + + clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>, + <&mmcc OCMEMCX_OCMEMNOC_CLK>; + clock-names = "core", + "iface"; + + #address-cells = <1>; + #size-cells = <1>; + + gmu-sram@0 { + reg = <0x0 0x100000>; + }; + }; +};