From patchwork Thu Nov 3 15:15:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinh Nguyen X-Patchwork-Id: 621637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90349C3E8A8 for ; Thu, 3 Nov 2022 15:15:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232037AbiKCPPr (ORCPT ); Thu, 3 Nov 2022 11:15:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231656AbiKCPPq (ORCPT ); Thu, 3 Nov 2022 11:15:46 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6140919C20; Thu, 3 Nov 2022 08:15:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 20203B828DC; Thu, 3 Nov 2022 15:15:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B79FFC433D7; Thu, 3 Nov 2022 15:15:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667488531; bh=iW4uEWQBBg7P34LNP+tKGYl5kuiCd+1lTZZRFWO6evg=; h=From:To:Cc:Subject:Date:From; b=XcA2bYmVE7H9mi8RYOH9IslXv5fWpd2E3o6wCynM5jBI7EQ2TdM2ebgFFKuET3O8+ P4V0Z1GNT7RN+CKX6Fa72aBq2bmCO5CnRl+/8ikaABpPzCRz8WixtkpK/5squdXCzT cTFN0LOjNjdKUfFTuKdZ51ags1e12QsBwG/LRsas27eu15aUEIbF0NU7sGKbiPa4Xe KsIKmT0h79Thdgm/Gakuv5m77nvnTTVxv4ZFdpDiQu0eGMZL4DV5AL3PThbY9afIcm CsOwFIs8QcxY74ShGuyahHRnzdJqrw7dGDM6K513WJtT1L7z+Vr6cN6L75OEcZlvA3 F0HnLvtKOnLaQ== From: Dinh Nguyen To: jh80.chung@samsung.com Cc: dinguyen@kernel.org, ulf.hansson@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCHv8 1/6] dt-bindings: mmc: synopsys-dw-mshc: document "altr,sysmgr-syscon" Date: Thu, 3 Nov 2022 10:15:20 -0500 Message-Id: <20221103151525.474833-1-dinguyen@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Document the optional "altr,sysmgr-syscon" binding that is used to access the System Manager register that controls the SDMMC clock phase. Signed-off-by: Dinh Nguyen --- v8: remove "" around synopsys-dw-mshc-common.yaml# v7: and "not" for the required "altr,sysmgr-syscon" binding v6: make "altr,sysmgr-syscon" optional v5: document reg shift v4: add else statement v3: document that the "altr,sysmgr-syscon" binding is only applicable to "altr,socfpga-dw-mshc" v2: document "altr,sysmgr-syscon" in the MMC section --- .../bindings/mmc/synopsys-dw-mshc.yaml | 33 +++++++++++++++++-- 1 file changed, 30 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml index ae6d6fca79e2..a37cd7a68417 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml @@ -6,9 +6,6 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Synopsys Designware Mobile Storage Host Controller Binding -allOf: - - $ref: "synopsys-dw-mshc-common.yaml#" - maintainers: - Ulf Hansson @@ -38,6 +35,36 @@ properties: - const: biu - const: ciu + altr,sysmgr-syscon: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to the sysmgr node + - description: register offset that controls the SDMMC clock phase + - description: register shift for the smplsel(drive in) setting + description: + This property is optional. Contains the phandle to System Manager block + that contains the SDMMC clock-phase control register. The first value is + the pointer to the sysmgr, the 2nd value is the register offset for the + SDMMC clock phase register, and the 3rd value is the bit shift for the + smplsel(drive in) setting. + +allOf: + - $ref: synopsys-dw-mshc-common.yaml# + + - if: + properties: + compatible: + contains: + const: altr,socfpga-dw-mshc + then: + not: + required: + - altr,sysmgr-syscon + else: + properties: + altr,sysmgr-syscon: false + required: - compatible - reg