From patchwork Wed Oct 19 17:06:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinh Nguyen X-Patchwork-Id: 13012191 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 A25C7C352A1 for ; Wed, 19 Oct 2022 17:07:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231461AbiJSRHl (ORCPT ); Wed, 19 Oct 2022 13:07:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230469AbiJSRHj (ORCPT ); Wed, 19 Oct 2022 13:07:39 -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 31DBF1BFBB7; Wed, 19 Oct 2022 10:07:39 -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 D5737B82566; Wed, 19 Oct 2022 17:07:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 785C8C433D7; Wed, 19 Oct 2022 17:07:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666199256; bh=Dk8qulf7jy4RWXliAjjhHRDUCVMa6Eye2Ux3gVAfoAY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=duAoc9H9OeX3W/6PGFEYsZT011cxJEKkxYnu1SMaRL3cH07K3KMnNZF0Z1+dokqeN EhBe0DTaRGyqE9oIJE82E4KnIWnhRlwwe0Gif6yOoyqTvRdrLjn6vRyXApie32+DgZ BkpPsjhJWb+iQ0ZhyZ5dYhE8EpYHDr6D+U4kHa+344RyxDeyy636ZRQgyLIzNQKFkv ugQppV8t6Uv5xKxqWX8E0cs/YcwMacVgCB2644k1YHsoYj7X/jX/nt2QWbk20kbKTO 6F1AyUCQVZomcwATxgMRj4I9WdxF4Dh4vEVYoNYSuAtedpk64cnEFdz228x3U8LXAC r7BUVzkBJyx3Q== 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: [PATCHv5 1/6] dt-bindings: mmc: synopsys-dw-mshc: document "altr,sysmgr-syscon" Date: Wed, 19 Oct 2022 12:06:52 -0500 Message-Id: <20221019170657.68014-2-dinguyen@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221019170657.68014-1-dinguyen@kernel.org> References: <20221019170657.68014-1-dinguyen@kernel.org> 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 Reviewed-by: Krzysztof Kozlowski --- 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 | 32 +++++++++++++++++-- 1 file changed, 29 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..950fa6bd11fd 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 +35,35 @@ 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: + 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: + required: + - altr,sysmgr-syscon + else: + properties: + altr,sysmgr-syscon: false + required: - compatible - reg