From patchwork Mon Jul 30 08:11:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 10548661 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AE658A7F6 for ; Mon, 30 Jul 2018 08:12:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A14A129909 for ; Mon, 30 Jul 2018 08:12:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 952BE29922; Mon, 30 Jul 2018 08:12:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 76B712990C for ; Mon, 30 Jul 2018 08:12:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726796AbeG3Jpm (ORCPT ); Mon, 30 Jul 2018 05:45:42 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:56044 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726906AbeG3Jpl (ORCPT ); Mon, 30 Jul 2018 05:45:41 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id DAEF327E232 From: Enric Balletbo i Serra To: MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring , Will Deacon , Heiko Stuebner , Michael Turquette , Stephen Boyd , Sandy Huang , David Airlie Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Derek Basehore , linux-clk@vger.kernel.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org, Lin Huang , kernel@collabora.com, robin.murphy@arm.com, Sean Paul , linux-arm-kernel@lists.infradead.org, Nickey Yang , devicetree@vger.kernel.org, Mark Yao , Jacob Chen , Brian Norris , Klaus Goger , Mark Rutland , Randy Li , Douglas Anderson , Chris Zhong , Catalin Marinas , Shunqian Zheng , Jeffy Chen Subject: [PATCH 8/8] arm64: dts: rockchip: Enable dmc and dfi nodes on gru. Date: Mon, 30 Jul 2018 10:11:24 +0200 Message-Id: <20180730081124.30698-9-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180730081124.30698-1-enric.balletbo@collabora.com> References: <20180730081124.30698-1-enric.balletbo@collabora.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- Changes in v1: None arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 21 ++++++++++++++++++++ arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 +- 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi index 1da8f7c1501e..7a7dcca11497 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi @@ -295,6 +295,12 @@ status = "okay"; }; +&dmc_opp_table { + opp04 { + opp-suspend; + }; +}; + /* * Set some suspend operating points to avoid OVP in suspend * @@ -374,6 +380,10 @@ <200000000>; }; +&display_subsystem { + devfreq = <&dmc>; +}; + &emmc_phy { status = "okay"; }; @@ -495,6 +505,17 @@ ap_i2c_audio: &i2c8 { status = "okay"; }; +&dfi { + status = "okay"; +}; + +&dmc { + status = "okay"; + center-supply = <&ppvar_centerlogic>; + upthreshold = <25>; + downdifferential = <15>; +}; + &sdhci { /* * Signal integrity isn't great at 200 MHz and 150 MHz (DDR) gives the diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index e9d9aa7aa2ac..20b64ca638cb 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -128,7 +128,7 @@ }; }; - display-subsystem { + display_subsystem: display-subsystem { compatible = "rockchip,display-subsystem"; ports = <&vopl_out>, <&vopb_out>; };