From patchwork Fri Jul 16 10:00:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 478477 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF33CC636CA for ; Fri, 16 Jul 2021 10:02:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A17261416 for ; Fri, 16 Jul 2021 10:02:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237586AbhGPKFD (ORCPT ); Fri, 16 Jul 2021 06:05:03 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:44385 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237734AbhGPKFA (ORCPT ); Fri, 16 Jul 2021 06:05:00 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1626429726; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=2PoXPzW7yXjsJ+4bkTg6l8/HF+OOEW6Uf7kuyQWFRvs=; b=sodvhhjb9V8EaofYItsPi7DJR3PM+RK49NJPzuzj3bYZZ95k+j4uMlfJZnIWs863jL9Y/iEH +EN17AlChfUM+ENbM0lCkydp9vMGAuI3RQbOF1vuVtyHMWJpg1nZagoNI9I1ttXInSdqiWLo KanS3BU0YiAthVKL8XZ7xXpzJYI= X-Mailgun-Sending-Ip: 198.61.254.9 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 smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 60f158f417c2b4047d747b66 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 16 Jul 2021 10:01:24 GMT Sender: rnayak=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id AD26DC43460; Fri, 16 Jul 2021 10:01:23 +0000 (UTC) Received: from blr-ubuntu-173.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rnayak) by smtp.codeaurora.org (Postfix) with ESMTPSA id DA649C433D3; Fri, 16 Jul 2021 10:01:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DA649C433D3 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=fail smtp.mailfrom=rnayak@codeaurora.org From: Rajendra Nayak To: ulf.hansson@linaro.org, bjorn.andersson@linaro.org, viresh.kumar@linaro.org Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, swboyd@chromium.org, rojay@codeaurora.org, stephan@gerhold.net, Rajendra Nayak Subject: [PATCH v4 2/2] arm64: dts: sc7180: Add required-opps for i2c Date: Fri, 16 Jul 2021 15:30:58 +0530 Message-Id: <1626429658-18961-3-git-send-email-rnayak@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1626429658-18961-1-git-send-email-rnayak@codeaurora.org> References: <1626429658-18961-1-git-send-email-rnayak@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org qup-i2c devices on sc7180 are clocked with a fixed clock (19.2 MHz) Though qup-i2c does not support DVFS, it still needs to vote for a performance state on 'CX' to satisfy the 19.2 Mhz clock frequency requirement. Use 'required-opps' to pass this information from device tree, and also add the power-domains property to specify the CX power-domain. Signed-off-by: Rajendra Nayak Reviewed-by: Stephen Boyd --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index a5d58eb..cd30185 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -785,8 +785,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>, <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi0: spi@880000 { @@ -837,8 +839,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>, <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi1: spi@884000 { @@ -889,8 +893,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>, <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; uart2: serial@888000 { @@ -923,8 +929,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>, <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi3: spi@88c000 { @@ -975,8 +983,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>, <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; uart4: serial@890000 { @@ -1009,8 +1019,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>, <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi5: spi@894000 { @@ -1074,8 +1086,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_1 0>, <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi6: spi@a80000 { @@ -1126,8 +1140,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_1 0>, <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; uart7: serial@a84000 { @@ -1160,8 +1176,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_1 0>, <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi8: spi@a88000 { @@ -1212,8 +1230,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_1 0>, <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; uart9: serial@a8c000 { @@ -1246,8 +1266,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_1 0>, <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi10: spi@a90000 { @@ -1298,8 +1320,10 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_1 0>, <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; spi11: spi@a94000 {