From patchwork Tue Jan 14 07:08:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shyam Kumar Thella X-Patchwork-Id: 11331339 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CA1541398 for ; Tue, 14 Jan 2020 07:08:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A84432084D for ; Tue, 14 Jan 2020 07:08:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="KQDQR8Uv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728820AbgANHIZ (ORCPT ); Tue, 14 Jan 2020 02:08:25 -0500 Received: from mail26.static.mailgun.info ([104.130.122.26]:26173 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728874AbgANHIY (ORCPT ); Tue, 14 Jan 2020 02:08:24 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1578985704; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=ZVAjfFnR5g5tt+dHhDf+Jgdpgx3yDYML3pSfUkW0yvY=; b=KQDQR8UvN5BDgkGsqgZ/0LuVte1g3G97rSMWD4mDhUy9pHj3LhCSzPREjQxhQUPDrCnvw/yV GyKwwMJwlmxiPtzBVQtGqT4nLStAYp1MF6ZNLPNha6LpBUWAn/IFHjwELbW/QtXzM6ciSk5Z eZe75Tf67P9nKt8F5huUZlllihQ= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e1d68e7.7f9d94fbdae8-smtp-out-n03; Tue, 14 Jan 2020 07:08:23 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 240D6C433A2; Tue, 14 Jan 2020 07:08:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from sthella-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sthella) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6CEEBC43383; Tue, 14 Jan 2020 07:08:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6CEEBC43383 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=sthella@codeaurora.org From: Shyam Kumar Thella To: agross@kernel.org, srinivas.kandagatla@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: Shyam Kumar Thella , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5] dt-bindings: nvmem: add binding for QTI SPMI SDAM Date: Tue, 14 Jan 2020 12:38:12 +0530 Message-Id: <1578985692-20309-1-git-send-email-sthella@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org QTI SDAM allows PMIC peripherals to access the shared memory that is available on QTI PMICs. Add documentation for it. Signed-off-by: Shyam Kumar Thella Reviewed-by: Rob Herring --- .../devicetree/bindings/nvmem/qcom,spmi-sdam.yaml | 84 ++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/qcom,spmi-sdam.yaml diff --git a/Documentation/devicetree/bindings/nvmem/qcom,spmi-sdam.yaml b/Documentation/devicetree/bindings/nvmem/qcom,spmi-sdam.yaml new file mode 100644 index 0000000..7bbd4e6 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/qcom,spmi-sdam.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/qcom,spmi-sdam.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. SPMI SDAM DT bindings + +maintainers: + - Shyam Kumar Thella + +description: | + The SDAM provides scratch register space for the PMIC clients. This + memory can be used by software to store information or communicate + to/from the PBUS. + +allOf: + - $ref: "nvmem.yaml#" + +properties: + compatible: + enum: + - qcom,spmi-sdam + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + +required: + - compatible + - reg + - ranges + +patternProperties: + "^.*@[0-9a-f]+$": + type: object + + properties: + reg: + maxItems: 1 + description: + Offset and size in bytes within the storage device. + + bits: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 1 + items: + items: + - minimum: 0 + maximum: 7 + description: + Offset in bit within the address range specified by reg. + - minimum: 1 + description: + Size in bit within the address range specified by reg. + + required: + - reg + + additionalProperties: false + +examples: + - | + sdam_1: nvram@b000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "qcom,spmi-sdam"; + reg = <0xb000 0x100>; + ranges = <0 0xb000 0x100>; + + /* Data cells */ + restart_reason: restart@50 { + reg = <0x50 0x1>; + bits = <6 2>; + }; + }; +...