From patchwork Mon May 14 21:16:09 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: 10399305 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C4CF4601FB for ; Mon, 14 May 2018 21:17:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3A33928521 for ; Mon, 14 May 2018 21:17:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2EA3328528; Mon, 14 May 2018 21:17:24 +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=unavailable 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 AA66928526 for ; Mon, 14 May 2018 21:17:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752542AbeENVRJ (ORCPT ); Mon, 14 May 2018 17:17:09 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:34518 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752465AbeENVQr (ORCPT ); Mon, 14 May 2018 17:16:47 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 81CD0263A2C 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, Sean Paul , linux-arm-kernel@lists.infradead.org, Nickey Yang , devicetree@vger.kernel.org, Yakir Yang , Mark Yao , Jacob Chen , Kever Yang , Brian Norris , Shawn Lin , Douglas Anderson , Catalin Marinas , Caesar Wang , Mark Rutland Subject: [RFC PATCH 09/10] arm64: dts: rk3399: Add dfi and dmc nodes. Date: Mon, 14 May 2018 23:16:09 +0200 Message-Id: <20180514211610.26618-10-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180514211610.26618-1-enric.balletbo@collabora.com> References: <20180514211610.26618-1-enric.balletbo@collabora.com> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Lin Huang These are required to support DDR DVFS on rk3399 platform. The patch also introduces two new files (rk3399-dram.h and rk3399-dram-default-timing) with default DRAM settings. Signed-off-by: Lin Huang Signed-off-by: Enric Balletbo i Serra --- .../rockchip/rk3399-dram-default-timing.dtsi | 38 ++++++++++ arch/arm64/boot/dts/rockchip/rk3399-dram.h | 73 +++++++++++++++++++ .../boot/dts/rockchip/rk3399-op1-opp.dtsi | 29 ++++++++ arch/arm64/boot/dts/rockchip/rk3399.dtsi | 20 +++++ 4 files changed, 160 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-dram-default-timing.dtsi create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-dram.h diff --git a/arch/arm64/boot/dts/rockchip/rk3399-dram-default-timing.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-dram-default-timing.dtsi new file mode 100644 index 000000000000..4dfe3e1d8bdf --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3399-dram-default-timing.dtsi @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR X11) +/* + * Copyright (c) 2016-2018, Fuzhou Rockchip Electronics Co., Ltd + * + * Author: Lin Huang + */ + +#include "rk3399-dram.h" + +rockchip,ddr3_speed_bin = <21>; +rockchip,pd_idle = <0x40>; +rockchip,sr_idle = <0x2>; +rockchip,sr_mc_gate_idle = <0x3>; +rockchip,srpd_lite_idle = <0x4>; +rockchip,standby_idle = <0x2000>; +rockchip,dram_dll_dis_freq = <300000000>; +rockchip,phy_dll_dis_freq = <125000000>; +rockchip,auto_pd_dis_freq = <666000000>; +rockchip,ddr3_odt_dis_freq = <333000000>; +rockchip,ddr3_drv = ; +rockchip,ddr3_odt = ; +rockchip,phy_ddr3_ca_drv = ; +rockchip,phy_ddr3_dq_drv = ; +rockchip,phy_ddr3_odt = ; +rockchip,lpddr3_odt_dis_freq = <333000000>; +rockchip,lpddr3_drv = ; +rockchip,lpddr3_odt = ; +rockchip,phy_lpddr3_ca_drv = ; +rockchip,phy_lpddr3_dq_drv = ; +rockchip,phy_lpddr3_odt = ; +rockchip,lpddr4_odt_dis_freq = <333000000>; +rockchip,lpddr4_drv = ; +rockchip,lpddr4_dq_odt = ; +rockchip,lpddr4_ca_odt = ; +rockchip,phy_lpddr4_ca_drv = ; +rockchip,phy_lpddr4_ck_cs_drv = ; +rockchip,phy_lpddr4_dq_drv = ; +rockchip,phy_lpddr4_odt = ; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-dram.h b/arch/arm64/boot/dts/rockchip/rk3399-dram.h new file mode 100644 index 000000000000..4b3d4a79923b --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3399-dram.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR X11) */ +/* + * Copyright (c) 2016-2018, Fuzhou Rockchip Electronics Co., Ltd + * + * Author: Lin Huang + */ + +#ifndef _DTS_DRAM_ROCKCHIP_RK3399_H +#define _DTS_DRAM_ROCKCHIP_RK3399_H + +#define DDR3_DS_34ohm 34 +#define DDR3_DS_40ohm 40 + +#define DDR3_ODT_DIS 0 +#define DDR3_ODT_40ohm 40 +#define DDR3_ODT_60ohm 60 +#define DDR3_ODT_120ohm 120 + +#define LP2_DS_34ohm 34 +#define LP2_DS_40ohm 40 +#define LP2_DS_48ohm 48 +#define LP2_DS_60ohm 60 +#define LP2_DS_68_6ohm 68 /* optional */ +#define LP2_DS_80ohm 80 +#define LP2_DS_120ohm 120 /* optional */ + +#define LP3_DS_34ohm 34 +#define LP3_DS_40ohm 40 +#define LP3_DS_48ohm 48 +#define LP3_DS_60ohm 60 +#define LP3_DS_80ohm 80 +#define LP3_DS_34D_40U 3440 +#define LP3_DS_40D_48U 4048 +#define LP3_DS_34D_48U 3448 + +#define LP3_ODT_DIS 0 +#define LP3_ODT_60ohm 60 +#define LP3_ODT_120ohm 120 +#define LP3_ODT_240ohm 240 + +#define LP4_PDDS_40ohm 40 +#define LP4_PDDS_48ohm 48 +#define LP4_PDDS_60ohm 60 +#define LP4_PDDS_80ohm 80 +#define LP4_PDDS_120ohm 120 +#define LP4_PDDS_240ohm 240 + +#define LP4_DQ_ODT_40ohm 40 +#define LP4_DQ_ODT_48ohm 48 +#define LP4_DQ_ODT_60ohm 60 +#define LP4_DQ_ODT_80ohm 80 +#define LP4_DQ_ODT_120ohm 120 +#define LP4_DQ_ODT_240ohm 240 +#define LP4_DQ_ODT_DIS 0 + +#define LP4_CA_ODT_40ohm 40 +#define LP4_CA_ODT_48ohm 48 +#define LP4_CA_ODT_60ohm 60 +#define LP4_CA_ODT_80ohm 80 +#define LP4_CA_ODT_120ohm 120 +#define LP4_CA_ODT_240ohm 240 +#define LP4_CA_ODT_DIS 0 + +#define PHY_DRV_ODT_Hi_Z 0 +#define PHY_DRV_ODT_240 240 +#define PHY_DRV_ODT_120 120 +#define PHY_DRV_ODT_80 80 +#define PHY_DRV_ODT_60 60 +#define PHY_DRV_ODT_48 48 +#define PHY_DRV_ODT_40 40 +#define PHY_DRV_ODT_34_3 34 + +#endif /* _DTS_DRAM_ROCKCHIP_RK3399_H */ diff --git a/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi index d8a120f945c8..4c634e58425d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-op1-opp.dtsi @@ -147,6 +147,31 @@ opp-microvolt = <1075000>; }; }; + + dmc_opp_table: dmc_opp_table { + compatible = "operating-points-v2"; + + opp00 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <900000>; + }; + opp01 { + opp-hz = /bits/ 64 <400000000>; + opp-microvolt = <900000>; + }; + opp02 { + opp-hz = /bits/ 64 <666000000>; + opp-microvolt = <900000>; + }; + opp03 { + opp-hz = /bits/ 64 <800000000>; + opp-microvolt = <900000>; + }; + opp04 { + opp-hz = /bits/ 64 <928000000>; + opp-microvolt = <900000>; + }; + }; }; &cpu_l0 { @@ -176,3 +201,7 @@ &gpu { operating-points-v2 = <&gpu_opp_table>; }; + +&dmc { + operating-points-v2 = <&dmc_opp_table>; +}; diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 4550c0f82be9..e012cc8ae3d4 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -1830,6 +1830,26 @@ status = "disabled"; }; + dfi: dfi@ff630000 { + reg = <0x00 0xff630000 0x00 0x4000>; + compatible = "rockchip,rk3399-dfi"; + rockchip,pmu = <&pmugrf>; + interrupts = ; + clocks = <&cru PCLK_DDR_MON>; + clock-names = "pclk_ddr_mon"; + status = "disabled"; + }; + + dmc: dmc { + compatible = "rockchip,rk3399-dmc"; + rockchip,pmu = <&pmugrf>; + devfreq-events = <&dfi>; + clocks = <&cru SCLK_DDRC>; + clock-names = "dmc_clk"; + #include "rk3399-dram-default-timing.dtsi" + status = "disabled"; + }; + pinctrl: pinctrl { compatible = "rockchip,rk3399-pinctrl"; rockchip,grf = <&grf>;