From patchwork Thu Dec 24 11:12:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roja Rani Yarubandi X-Patchwork-Id: 352109 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, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 182C6C43381 for ; Thu, 24 Dec 2020 11:14:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D95C922286 for ; Thu, 24 Dec 2020 11:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728039AbgLXLOF (ORCPT ); Thu, 24 Dec 2020 06:14:05 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:1807 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726591AbgLXLOF (ORCPT ); Thu, 24 Dec 2020 06:14:05 -0500 Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 24 Dec 2020 03:12:57 -0800 X-QCInternal: smtphost Received: from ironmsg02-blr.qualcomm.com ([10.86.208.131]) by ironmsg-lv-alpha.qualcomm.com with ESMTP/TLS/AES256-SHA; 24 Dec 2020 03:12:54 -0800 X-QCInternal: smtphost Received: from c-rojay-linux.qualcomm.com ([10.206.21.80]) by ironmsg02-blr.qualcomm.com with ESMTP; 24 Dec 2020 16:42:15 +0530 Received: by c-rojay-linux.qualcomm.com (Postfix, from userid 88981) id 7BB972DC8; Thu, 24 Dec 2020 16:42:14 +0530 (IST) From: Roja Rani Yarubandi To: ulf.hansson@linaro.org, robh+dt@kernel.org, bjorn.andersson@linaro.org, wsa@kernel.org Cc: swboyd@chromium.org, dianders@chromium.org, saiprakash.ranjan@codeaurora.org, mka@chromium.org, akashast@codeaurora.org, msavaliy@qti.qualcomm.com, parashar@codeaurora.org, rnayak@codeaurora.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, agross@kernel.org, linux-i2c@vger.kernel.org, Roja Rani Yarubandi Subject: [PATCH 2/3] arm64: dts: sc7180: Add assigned-performance-states for i2c Date: Thu, 24 Dec 2020 16:42:09 +0530 Message-Id: <20201224111210.1214-3-rojay@codeaurora.org> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20201224111210.1214-1-rojay@codeaurora.org> References: <20201224111210.1214-1-rojay@codeaurora.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@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 'assigned-performance-states' to pass this information from device tree, and also add the power-domains property to specify the CX power-domain. Signed-off-by: Roja Rani Yarubandi --- 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 22b832fc62e3..70d74215ba8b 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -782,6 +782,8 @@ i2c0: i2c@880000 { <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -834,6 +836,8 @@ i2c1: i2c@884000 { <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -886,6 +890,8 @@ i2c2: i2c@888000 { <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -920,6 +926,8 @@ i2c3: i2c@88c000 { <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -972,6 +980,8 @@ i2c4: i2c@890000 { <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -1006,6 +1016,8 @@ i2c5: i2c@894000 { <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -1073,6 +1085,8 @@ i2c6: i2c@a80000 { <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -1125,6 +1139,8 @@ i2c7: i2c@a84000 { <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -1159,6 +1175,8 @@ i2c8: i2c@a88000 { <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -1211,6 +1229,8 @@ i2c9: i2c@a8c000 { <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -1245,6 +1265,8 @@ i2c10: i2c@a90000 { <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; }; @@ -1297,6 +1319,8 @@ i2c11: i2c@a94000 { <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + assigned-performance-states = ; status = "disabled"; };