From patchwork Fri May 25 11:15:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 10427127 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8FD766032C for ; Fri, 25 May 2018 11:18:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88D4F26E4A for ; Fri, 25 May 2018 11:18:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7D0BA28D82; Fri, 25 May 2018 11:18:23 +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=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable 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 0890826E4A for ; Fri, 25 May 2018 11:18:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965907AbeEYLSK (ORCPT ); Fri, 25 May 2018 07:18:10 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:53731 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966069AbeEYLSH (ORCPT ); Fri, 25 May 2018 07:18:07 -0400 Received: by mail-wm0-f66.google.com with SMTP id a67-v6so13331161wmf.3 for ; Fri, 25 May 2018 04:18:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=A4YPrlBf1E9n+7b/eeqsYKytLQB8/Py4UzrU/yMkMGQ=; b=CZpHFhGT1C3/L7uKA/eyGbhdOF9HSMcQ9KoTG24mk90qUq/x1jYSVdty2Lxyj5VQ5A dYizc940srCCR7GsJJdNq9RyrXRvTSy4xsxKLkHf9G/UR1wF/bZCbnzajmTDufHNhh/q PgvITTKWCZBlXYybaT5lB7F50C8cd0rCjtQ/0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=A4YPrlBf1E9n+7b/eeqsYKytLQB8/Py4UzrU/yMkMGQ=; b=sInh4Ox0nJn2TPTvqIA3D0a0WiX9qQ+KIPZr+H0cmYFGUamo8bChbmf449AsOu5R+3 oOx/8v9vtrvoQY79kwpDNw9ZEn89irXcGl2k3j4SYsE0TbkVikUFgfRbnxKAxfA7LsC2 4R3DE15hLps9epw/MZ6t8ZBsba9iosLG9fTxH2gVg+P4EKkn0RrhLvBfx+P1Tlb1YH22 hI+gaV/1Fa/kLItS4RcACkjMbcrx0vhzmDQ5m/3Zhz1XvrunQRtrdlqib0pHHkC071q/ YGTGUmAVYUiB7T3Nt8ORT0BS9TpxiyBmv23Roan76AXBiihECM4qbxXOxIQv6akg5YdZ b6Xw== X-Gm-Message-State: ALKqPwezul7iJeOJ6PItwOz5k0bMZkobAeVSF+arcNBicAjrsXic2zk5 p5Tlt3fnNULUanKIv7K3wc1TQw== X-Google-Smtp-Source: ADUXVKLj3KbYyl8MSRGV5KmHU3kk/Li3ktFzJVaSbSHVwjE7UfFyg9DPyBnKYCqa4DsBotnWOAeAkA== X-Received: by 2002:a1c:1047:: with SMTP id 68-v6mr1418081wmq.132.1527247086335; Fri, 25 May 2018 04:18:06 -0700 (PDT) Received: from localhost.localdomain (cpc90716-aztw32-2-0-cust92.18-1.cable.virginm.net. [86.26.100.93]) by smtp.gmail.com with ESMTPSA id b105-v6sm30536884wrd.64.2018.05.25.04.18.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 25 May 2018 04:18:05 -0700 (PDT) From: Srinivas Kandagatla To: gregkh@linuxfoundation.org, robh+dt@kernel.org Cc: kramasub@codeaurora.org, sdharia@quicinc.com, girishm@quicinc.com, linux-kernel@vger.kernel.org, mark.rutland@arm.com, bgoswami@codeaurora.org, devicetree@vger.kernel.org, broonie@kernel.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, srinivas.kandagatla@linaro.org Subject: [PATCH v2 1/2] slimbus: ngd: dt-bindings: Add slim ngd dt bindings Date: Fri, 25 May 2018 12:15:46 +0100 Message-Id: <20180525111547.18556-2-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180525111547.18556-1-srinivas.kandagatla@linaro.org> References: <20180525111547.18556-1-srinivas.kandagatla@linaro.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 This patch adds bindings for Qualcomm SLIMBus NGD controller. SLIMBus NGD controller is a light-weight driver responsible for communicating with SLIMBus slaves directly over the bus using messaging interface and communicating with master component residing on ADSP for bandwidth and data-channel management Signed-off-by: Srinivas Kandagatla Reviewed-by: Rob Herring --- .../bindings/slimbus/slim-ngd-qcom-ctrl.txt | 84 ++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt diff --git a/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt new file mode 100644 index 000000000000..e94a2ad3a710 --- /dev/null +++ b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt @@ -0,0 +1,84 @@ +Qualcomm SLIMBus Non Generic Device (NGD) Controller binding + +SLIMBus NGD controller is a light-weight driver responsible for communicating +with SLIMBus slaves directly over the bus using messaging interface and +communicating with master component residing on ADSP for bandwidth and +data-channel management + +Please refer to slimbus/bus.txt for details of the common SLIMBus bindings. + +- compatible: + Usage: required + Value type: + Definition: must be "qcom,slim-ngd-v.." + must be one of the following. + "qcom,slim-ngd-v1.5.0" for MSM8996 + "qcom,slim-ngd-v2.1.0" for SDM845 + +- reg: + Usage: required + Value type: + Definition: must specify the base address and size of the controller + register space. +- dmas + Usage: required + Value type: + Definition: List of rx and tx dma channels + +- dma-names + Usage: required + Value type: + Definition: must be "rx" and "tx". + +- interrupts: + Usage: required + Value type: + Definition: must list controller IRQ. + +#address-cells + Usage: required + Value type: + Definition: Should be 1, reflecting the instance id of ngd. + +#size-cells + Usage: required + Value type: + Definition: Should be 0 + += NGD Devices +Each subnode represents an instance of NGD, must contain the following +properties: + +- reg: + Usage: required + Value type: + Definition: Should be instance id of ngd. + +#address-cells + Usage: required + Refer to slimbus/bus.txt for details of the common SLIMBus bindings. + +#size-cells + Usage: required + Refer to slimbus/bus.txt for details of the common SLIMBus bindings. + += EXAMPLE + +slim@91c0000 { + compatible = "qcom,slim-ngd-v1.5.0"; + reg = <0x91c0000 0x2c000>; + interrupts = <0 163 0>; + dmas = <&slimbam 3>, <&slimbam 4>; + dma-names = "rx", "tx"; + #address-cells = <1>; + #size-cells = <0>; + ngd@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <1>; + codec@1 { + compatible = "slim217,1a0"; + reg = <1 0>; + }; + }; +};