From patchwork Wed Jun 26 02:21:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 11017211 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 84A2A14BB for ; Wed, 26 Jun 2019 08:13:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7608528694 for ; Wed, 26 Jun 2019 08:13:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 66C4A286C6; Wed, 26 Jun 2019 08:13:44 +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 0EA0A28694 for ; Wed, 26 Jun 2019 08:13:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8ECA06E2FF; Wed, 26 Jun 2019 08:13:07 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from onstation.org (onstation.org [52.200.56.107]) by gabe.freedesktop.org (Postfix) with ESMTPS id C76C86E207; Wed, 26 Jun 2019 02:22:05 +0000 (UTC) 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 C8D3E3EA13; Wed, 26 Jun 2019 02:22:04 +0000 (UTC) From: Brian Masney To: agross@kernel.org, robdclark@gmail.com, sean@poorly.run, robh+dt@kernel.org, bjorn.andersson@linaro.org Subject: [PATCH v3 1/6] dt-bindings: soc: qcom: add On Chip MEMory (OCMEM) bindings Date: Tue, 25 Jun 2019 22:21:43 -0400 Message-Id: <20190626022148.23712-2-masneyb@onstation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190626022148.23712-1-masneyb@onstation.org> References: <20190626022148.23712-1-masneyb@onstation.org> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 26 Jun 2019 08:12:13 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=onstation.org; s=default; t=1561515725; bh=NNWCQFfV7/jn6sShBvH15o4aX6Z5qXDaPn1VH92lNBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YtvmbDc04vrtth/SjLVbjE1oEa/Pi4SdiKla7YqQnAhKSoyOWOmZd2cL/uxZqY8gQ 5M5ULnBDfNJSIBjF11ZCcLwMwEi9+0Mt2vMjPVbFJOavfhfxg5u+kZBi8MrANFNYjj UC1qGeuoptN1OL9GlxMOcbx1L7FWiKWQ26f7p3GU= 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: mark.rutland@arm.com, devicetree@vger.kernel.org, jonathan@marek.ca, airlied@linux.ie, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add device tree bindings for the On Chip Memory (OCMEM) that is present on some Qualcomm Snapdragon SoCs. Signed-off-by: Brian Masney --- Changes since v2: - Add *-sram node and gmu-sram to example. Changes since v1: - Rename qcom,ocmem-msm8974 to qcom,msm8974-ocmem - Renamed reg-names to ctrl and mem - update hardware description - moved from soc to sram namespace in the device tree bindings .../bindings/sram/qcom/qcom,ocmem.yaml | 84 +++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 Documentation/devicetree/bindings/sram/qcom/qcom,ocmem.yaml diff --git a/Documentation/devicetree/bindings/sram/qcom/qcom,ocmem.yaml b/Documentation/devicetree/bindings/sram/qcom/qcom,ocmem.yaml new file mode 100644 index 000000000000..a0bf0af4860a --- /dev/null +++ b/Documentation/devicetree/bindings/sram/qcom/qcom,ocmem.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sram/qcom/qcom,ocmem.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: On Chip Memory (OCMEM) that is present on some Qualcomm Snapdragon SoCs. + +maintainers: + - Brian Masney + +description: | + The On Chip Memory (OCMEM) is typically used by the GPU, camera/video, and + audio components on some Snapdragon SoCs. + +properties: + compatible: + const: qcom,msm8974-ocmem + + reg: + items: + - description: Control registers + - description: OCMEM address range + + reg-names: + items: + - const: ctrl + - const: mem + + clocks: + items: + - description: Core clock + - description: Interface clock + + clock-names: + items: + - const: core + - const: iface + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + +patternProperties: + "^.+-sram$": + type: object + description: | + A region of reserved memory. + + properties: + reg: + maxItems: 1 + + required: + - reg + +examples: + - | + #include + #include + + 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>; + }; + };