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: 10548707 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 8404C13BB for ; Mon, 30 Jul 2018 08:13:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7668E28885 for ; Mon, 30 Jul 2018 08:13:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6A79D29909; Mon, 30 Jul 2018 08:13:47 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 01CD628885 for ; Mon, 30 Jul 2018 08:13:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=bHHxj7EuBhY9hrxvv8PveYcnkovHgzRIM71F683rtHc=; b=ANfQv5JoOpOPy4G9jINJbSGwCT cqemycEy0GmiX3qnvEXJn8/gC/gvQe6++Ra3ERCVViXzo1DUlJWaJuzfBkqXOvG4JQxzQjxDztKLC exHrkZ4yMiybgEOU5DAMl3xzIoIQkREVKa0bTaGB4xJOS4yKgSZZVba1RX1mPoOXsDtCD+yO+EoTp DT68wjIAO3j7x4Jy5/vljFxG2WFVE6utExiSdMq7NU+7chW3PdgFAz78KEX1/OZDmmhTkY4zMvm8r OsGKefVVo5fHz57N1nYz/PqnQwfxPVA02hAvm1w+BFNtVJhs7r61r7F/Ol/C5Mz/y7sFGPW9ozYEi Vn74/64w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fk3JG-0007O3-Dh; Mon, 30 Jul 2018 08:13:42 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fk3Hj-0005q6-8R; Mon, 30 Jul 2018 08:12:12 +0000 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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180730_011208_096735_6F341291 X-CRM114-Status: GOOD ( 12.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Catalin Marinas , dri-devel@lists.freedesktop.org, Douglas Anderson , Klaus Goger , Chris Zhong , kernel@collabora.com, linux-clk@vger.kernel.org, Brian Norris , linux-rockchip@lists.infradead.org, Nickey Yang , Jacob Chen , Shunqian Zheng , devicetree@vger.kernel.org, Randy Li , linux-pm@vger.kernel.org, Derek Basehore , Jeffy Chen , Sean Paul , Mark Yao , linux-arm-kernel@lists.infradead.org, Lin Huang , linux-kernel@vger.kernel.org, robin.murphy@arm.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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>; };