From patchwork Thu Apr 2 06:52:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna Manikandan X-Patchwork-Id: 11470167 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6D70A15AB for ; Thu, 2 Apr 2020 06:53:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 552CB2078B for ; Thu, 2 Apr 2020 06:53:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387464AbgDBGxV (ORCPT ); Thu, 2 Apr 2020 02:53:21 -0400 Received: from alexa-out-blr-01.qualcomm.com ([103.229.18.197]:60098 "EHLO alexa-out-blr-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387453AbgDBGxU (ORCPT ); Thu, 2 Apr 2020 02:53:20 -0400 Received: from ironmsg02-blr.qualcomm.com ([10.86.208.131]) by alexa-out-blr-01.qualcomm.com with ESMTP/TLS/AES256-SHA; 02 Apr 2020 12:23:12 +0530 Received: from mkrishn-linux.qualcomm.com ([10.204.66.35]) by ironmsg02-blr.qualcomm.com with ESMTP; 02 Apr 2020 12:22:53 +0530 Received: by mkrishn-linux.qualcomm.com (Postfix, from userid 438394) id 3641A457F; Thu, 2 Apr 2020 12:22:53 +0530 (IST) From: Krishna Manikandan To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Krishna Manikandan , linux-kernel@vger.kernel.org, robdclark@gmail.com, seanpaul@chromium.org, hoegsberg@chromium.org, kalyan_t@codeaurora.org, nganji@codeaurora.org Subject: [v2 2/3] arm64: dts: sc7180: add bus clock to mdp node for sc7180 target Date: Thu, 2 Apr 2020 12:22:49 +0530 Message-Id: <1585810370-6099-2-git-send-email-mkrishn@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1585810370-6099-1-git-send-email-mkrishn@codeaurora.org> References: <1585810370-6099-1-git-send-email-mkrishn@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Move the bus clock to mdp device node,in order to facilitate bus band width scaling on sc7180 target. The parent device MDSS will not vote for bus bw, instead the vote will be triggered by mdp device node. Since a minimum vote is required to turn on bus clock, move the clock node to mdp device from where the votes are requested. This patch has dependency on the below series https://patchwork.kernel.org/patch/11468783/ Signed-off-by: Krishna Manikandan --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 998f101..ea1b0cd 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -1510,10 +1510,9 @@ power-domains = <&dispcc MDSS_GDSC>; clocks = <&gcc GCC_DISP_AHB_CLK>, - <&gcc GCC_DISP_HF_AXI_CLK>, <&dispcc DISP_CC_MDSS_AHB_CLK>, <&dispcc DISP_CC_MDSS_MDP_CLK>; - clock-names = "iface", "bus", "ahb", "core"; + clock-names = "iface", "ahb", "core"; assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>; assigned-clock-rates = <300000000>; @@ -1536,12 +1535,13 @@ <0 0x0aeb0000 0 0x2008>; reg-names = "mdp", "vbif"; - clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc DISP_CC_MDSS_AHB_CLK>, <&dispcc DISP_CC_MDSS_ROT_CLK>, <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, <&dispcc DISP_CC_MDSS_MDP_CLK>, <&dispcc DISP_CC_MDSS_VSYNC_CLK>; - clock-names = "iface", "rot", "lut", "core", + clock-names = "bus", "iface", "rot", "lut", "core", "vsync"; assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>, <&dispcc DISP_CC_MDSS_VSYNC_CLK>;