From patchwork Wed Dec 12 17:31:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 10726847 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 AE1641759 for ; Wed, 12 Dec 2018 17:31:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9243B2B163 for ; Wed, 12 Dec 2018 17:31:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8696C2B902; Wed, 12 Dec 2018 17:31:27 +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,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 385192B163 for ; 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Wed, 12 Dec 2018 17:31:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1544635870; bh=FmbJSqlzxLvWWfd5CtWfLAB0InZIDSPkI49VqFpBiro=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L7ouhFP54gBPRSLXHzOmc9A4Xh15Ad+Cyp4v1j8yF2XWwbVUjk3z0+lDhclyOq4lV b/TahjY2aq5sbPkZrUl8yAwcRmOu/ADoEiINQxRv810yuTTuNWyT4oMbFHrpzllBGQ kk4GQ363Qp6yxO3zYL3xOfY6ZNSOOJ1lFjuEnloM= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 18DED601B4 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org From: Jordan Crouse To: freedreno@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH v5 1/2] dt-bindings: Document,qcom,adreno-gmu Date: Wed, 12 Dec 2018 10:31:05 -0700 Message-Id: <20181212173106.29618-2-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181212173106.29618-1-jcrouse@codeaurora.org> References: <20181212173106.29618-1-jcrouse@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181212_093121_641569_D74ECF0E X-CRM114-Status: GOOD ( 13.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nm@ti.com, devicetree@vger.kernel.org, rnayak@codeaurora.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, dianders@chromium.org, vireshk@kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Document the device tree bindings for the Adreno GMU device available on Adreno a6xx targets. Reviewed-by: Rob Herring Signed-off-by: Jordan Crouse --- .../devicetree/bindings/display/msm/gmu.txt | 54 +++++++++++++++++++ .../devicetree/bindings/display/msm/gpu.txt | 2 + 2 files changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/msm/gmu.txt diff --git a/Documentation/devicetree/bindings/display/msm/gmu.txt b/Documentation/devicetree/bindings/display/msm/gmu.txt new file mode 100644 index 000000000000..f65bb49fff36 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/gmu.txt @@ -0,0 +1,54 @@ +Qualcomm adreno/snapdragon GMU (Graphics management unit) + +The GMU is a programmable power controller for the GPU. the CPU controls the +GMU which in turn handles power controls for the GPU. + +Required properties: +- compatible: + * "qcom,adreno-gmu" +- reg: Physical base address and length of the GMU registers. +- reg-names: Matching names for the register regions + * "gmu" + * "gmu_pdc" +- interrupts: The interrupt signals from the GMU. +- interrupt-names: Matching names for the interrupts + * "hfi" + * "gmu" +- clocks: phandles to the device clocks +- clock-names: Matching names for the clocks + * "gmu" + * "cxo" + * "axi" + * "mnoc" +- power-domains: should be <&clock_gpucc GPU_CX_GDSC> +- iommus: phandle to the adreno iommu +- operating-points-v2: phandle to the OPP operating points + +Example: + +/ { + ... + + gmu: gmu@506a000 { + compatible="qcom,adreno-gmu"; + + reg = <0x506a000 0x30000>, + <0xb200000 0x300000>; + reg-names = "gmu", "gmu_pdc"; + + interrupts = , + ; + interrupt-names = "hfi", "gmu"; + + clocks = <&clock_gpucc GPU_CC_CX_GMU_CLK>, + <&clock_gpucc GPU_CC_CXO_CLK>, + <&clock_gcc GCC_DDRSS_GPU_AXI_CLK>, + <&clock_gcc GCC_GPU_MEMNOC_GFX_CLK>; + clock-names = "gmu", "cxo", "axi", "memnoc"; + + power-domains = <&clock_gpucc GPU_CX_GDSC>; + iommus = <&adreno_smmu 5>; + + i operating-points-v2 = <&gmu_opp_table>; + }; +}; diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt index 43fac0fe09bb..754f6c6f34e5 100644 --- a/Documentation/devicetree/bindings/display/msm/gpu.txt +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt @@ -14,6 +14,8 @@ Required properties: * "core" * "iface" * "mem_iface" +- qcom,gmu: For a6xx and newer targets a phandle to the GMU device that will + control the power for the GPU Example: