From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 2E8A0C43381 for ; Thu, 21 Mar 2019 23:14:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F0EA0218D3 for ; Thu, 21 Mar 2019 23:14:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727511AbfCUXOy (ORCPT ); Thu, 21 Mar 2019 19:14:54 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:51684 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727485AbfCUXOu (ORCPT ); Thu, 21 Mar 2019 19:14:50 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: gportay) with ESMTPSA id 4A13228198C From: =?UTF-8?q?Ga=C3=ABl=20PORTAY?= To: MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring , Heiko Stuebner , Enric Balletbo i Serra , Lin Huang , Brian Norris , Douglas Anderson , Klaus Goger , Derek Basehore , Randy Li , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Mark Rutland , =?UTF-8?q?Ga=C3=ABl=20PORTAY?= Subject: [PATCH v3 5/5] arm64: dts: rockchip: Enable dmc and dfi nodes on gru. Date: Thu, 21 Mar 2019 19:14:40 -0400 Message-Id: <20190321231440.19031-6-gael.portay@collabora.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190321231440.19031-1-gael.portay@collabora.com> References: <20190321231440.19031-1-gael.portay@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lin Huang Enable the DMC (Dynamic Memory Controller) and the DFI (DDR PHY Interface) nodes on gru/kevin boards so we can support DDR DVFS. Signed-off-by: Lin Huang Signed-off-by: Enric Balletbo i Serra Signed-off-by: Gaël PORTAY --- Changes in v3: - [PATCH v2 5/5] Remove display_subsystem nodes. Changes in v2: - [PATCH 8/8] Move center-supply attribute of dmc node in file rk3399-gru-chromebook.dtsi (where ppvar_centerlogic is defined). Changes in v1: None .../boot/dts/rockchip/rk3399-gru-chromebook.dtsi | 4 ++++ arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 16 ++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi index 931640e9aed4..cfb81356c61e 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi @@ -400,3 +400,7 @@ ap_i2c_tp: &i2c5 { rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>; }; }; + +&dmc { + center-supply = <&ppvar_centerlogic>; +}; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi index da03fa9c5662..1bde7ad3b980 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi @@ -289,6 +289,12 @@ status = "okay"; }; +&dmc_opp_table { + opp04 { + opp-suspend; + }; +}; + /* * Set some suspend operating points to avoid OVP in suspend * @@ -489,6 +495,16 @@ ap_i2c_audio: &i2c8 { status = "okay"; }; +&dfi { + status = "okay"; +}; + +&dmc { + status = "okay"; + upthreshold = <25>; + downdifferential = <15>; +}; + &sdhci { /* * Signal integrity isn't great at 200 MHz and 150 MHz (DDR) gives the -- 2.21.0