From patchwork Wed Apr 27 18:08:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamal Dasu X-Patchwork-Id: 566955 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 4E90DC433EF for ; Wed, 27 Apr 2022 18:10:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244667AbiD0SNO (ORCPT ); Wed, 27 Apr 2022 14:13:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244727AbiD0SNK (ORCPT ); Wed, 27 Apr 2022 14:13:10 -0400 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F3B71DA46; Wed, 27 Apr 2022 11:09:44 -0700 (PDT) Received: by mail-pj1-x102d.google.com with SMTP id p6so2148094pjm.1; Wed, 27 Apr 2022 11:09:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DhDEOGzyYb9G9W/Ih5nKdhPS0DtnHgoSg/tqlnDUmxQ=; b=IaDd2rrWQIS7uiZBU4ssser2L4FmpszX7h5IIzB9lYo3FpnQCSUQqXkS9WKOvDNJJd M+X/bAn8Kwq6GOLUjkCOXvRNKWt6BkFyzF/KmzCeln6bDSaWfFM2nxNteh+S+ISqLDaZ gC0iusiE41nDfRT6oX6eq37yUw5mImMTRbrZSd1xLW/+HLUqMeOK+2Ti73nWRUFRWk+l asMg+UoCCObXpKjUKNl9BkUtxZ2FZ03kpC+wSDmoSgx0KGiEKdBJmZY+AjJNjY6DHRSY A4ly/1+TurEixBoM9CQlm6jwnTn2YyowriCzeI+6w7JRzrR9Lg3tClv6XOhjwrSnDo0e UefQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DhDEOGzyYb9G9W/Ih5nKdhPS0DtnHgoSg/tqlnDUmxQ=; b=7nxY+7251mSgzryM+emfggrsXNMfxKSWGw0GB4EslJTglPKRo2sKlEXnCEnqnxSm2m BJMTKif0qOW3LnonOGYWdA/kJZpxP1NSz1rwg7FlKtN01Y/6HmY+p3HDDOzQ3KeGPmPY Adq/WnplDuF2PZDb4ejl4wSYDHhgFZGWBMXeZDDdMouvP5u5DxwQ42uNo9sadGQYG6k+ kqaviFi6r3baDSisVu9ahNcJgKilIPFePRXf8IF7wHvZfmqgu1P3d4ef6wCg13pOjla6 743fkTcdimEF4MDzCr7j6h0ZTgUlEFQaedSaz5qWDLzpYC44powJ17l3acubpxl1yzgu /pcg== X-Gm-Message-State: AOAM533Pk5SgzSYTBW2mEnK/rgeXws+AhvgmI149dTWNliug7NfGefxq dlsUgOKZq95MS/NYhznS1xk= X-Google-Smtp-Source: ABdhPJxobOaSK/Wr/ZaH1v9haLS9wKEynarvNVjK2dORpQmy5KjaZxjBuEOEVwXr4MymO7T1dNlJkw== X-Received: by 2002:a17:902:cec4:b0:15d:50ba:d9bf with SMTP id d4-20020a170902cec400b0015d50bad9bfmr4886679plg.28.1651082983837; Wed, 27 Apr 2022 11:09:43 -0700 (PDT) Received: from mail.broadcom.net ([192.19.11.250]) by smtp.gmail.com with ESMTPSA id u25-20020aa78399000000b00505f75651e7sm19076859pfm.158.2022.04.27.11.09.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Apr 2022 11:09:43 -0700 (PDT) From: Kamal Dasu To: ulf.hansson@linaro.org, robh+dt@kernel.org, krzk+dt@kernel.org, alcooperx@gmail.com Cc: f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, adrian.hunter@intel.com, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Kamal Dasu Subject: [PATCH v2 3/4] dt-bindings: mmc: Add Broadcom optional sdio_freq clock Date: Wed, 27 Apr 2022 14:08:52 -0400 Message-Id: <20220427180853.35970-4-kdasu.kdev@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220427180853.35970-1-kdasu.kdev@gmail.com> References: <20220427180853.35970-1-kdasu.kdev@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org The 72116B0 has improved SDIO controllers that allow the max clock rate to be increased from a max of 100MHz to a max of 150MHz. Optional "sdio_freq" clock is used to drive the bus clock if present optional property "max-frequency" specifies a base clock frequency in Hz that overrides the base clock frequency in the CAPS registers. Signed-off-by: Kamal Dasu --- .../bindings/mmc/brcm,sdhci-brcmstb.yaml | 24 +++++++++++++++---- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml index dccd5ad96981..bf716c0cf096 100644 --- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml +++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml @@ -10,8 +10,6 @@ maintainers: - Al Cooper - Florian Fainelli -allOf: - - $ref: mmc-controller.yaml# properties: compatible: @@ -42,23 +40,39 @@ properties: maxItems: 1 clocks: - maxItems: 1 - description: - handle to core clock for the sdhci controller. + minItems: 1 + items: + - description: handle to core clock for the sdhci controller + - description: improved 150Mhz clock for sdhci controller (Optional clock) clock-names: + minItems: 1 items: - const: sw_sdio + - const: sdio_freq # Optional clock sdhci,auto-cmd12: type: boolean description: Specifies that controller should use auto CMD12 +allOf: + - $ref: mmc-controller.yaml# + - if: + properties: + clock-names: + contains: + const: sdio_freq + + - then: + required: + - max-frequency + required: - compatible - reg - interrupts - clocks + - clock-names unevaluatedProperties: false