From: "Gaël PORTAY" <gael.portay@collabora.com>
To: MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Rob Herring <robh+dt@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Enric Balletbo i Serra <enric.balletbo@collabora.com>,
Lin Huang <hl@rock-chips.com>,
Brian Norris <briannorris@chromium.org>,
Douglas Anderson <dianders@chromium.org>,
Klaus Goger <klaus.goger@theobroma-systems.com>,
Derek Basehore <dbasehore@chromium.org>,
Randy Li <ayaka@soulik.info>,
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" <mark.rutland@arm.com>,
kernel@collabora.com, "Gaël PORTAY" <gael.portay@collabora.com>
Subject: [PATCH v2 5/5] arm64: dts: rockchip: Enable dmc and dfi nodes on gru.
Date: Tue, 19 Mar 2019 14:13:23 -0400 [thread overview]
Message-ID: <20190319181323.22804-6-gael.portay@collabora.com> (raw)
In-Reply-To: <20190319181323.22804-1-gael.portay@collabora.com>
From: Lin Huang <hl@rock-chips.com>
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 <hl@rock-chips.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Gaël PORTAY <gael.portay@collabora.com>
---
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
.../dts/rockchip/rk3399-gru-chromebook.dtsi | 4 ++++
arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 20 +++++++++++++++++++
arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 +-
3 files changed, 25 insertions(+), 1 deletion(-)
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..d14dce679e7a 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
*
@@ -368,6 +374,10 @@
<200000000>;
};
+&display_subsystem {
+ devfreq = <&dmc>;
+};
+
&emmc_phy {
status = "okay";
};
@@ -489,6 +499,16 @@ 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
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 8fe86a3e7658..010b3e5267a0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -156,7 +156,7 @@
};
};
- display-subsystem {
+ display_subsystem: display-subsystem {
compatible = "rockchip,display-subsystem";
ports = <&vopl_out>, <&vopb_out>;
};
--
2.21.0
next prev parent reply other threads:[~2019-03-19 18:13 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-19 18:13 [PATCH v2 0/5] Add support for drm/rockchip to dynamically control the DDR frequency Gaël PORTAY
2019-03-19 18:13 ` [PATCH v2 1/5] devfreq: rockchip-dfi: Move GRF definitions to a common place Gaël PORTAY
2019-03-19 18:13 ` [PATCH v2 2/5] dt-bindings: devfreq: rk3399_dmc: Add rockchip, pmu phandle Gaël PORTAY
2019-03-19 18:13 ` [PATCH v2 3/5] devfreq: rk3399_dmc: Pass ODT and auto power down parameters to TF-A Gaël PORTAY
2019-03-20 0:33 ` Matthias Kaehlcke
2019-03-20 21:50 ` Gaël PORTAY
2019-03-20 22:02 ` Matthias Kaehlcke
2019-03-21 23:10 ` Gaël PORTAY
2019-03-22 0:01 ` Matthias Kaehlcke
2019-03-22 12:45 ` Gaël PORTAY
2019-03-27 0:24 ` Matthias Kaehlcke
2019-03-19 18:13 ` [PATCH v2 4/5] arm64: dts: rk3399: Add dfi and dmc nodes Gaël PORTAY
2019-03-19 18:13 ` Gaël PORTAY [this message]
2019-03-20 5:05 ` [PATCH v2 5/5] arm64: dts: rockchip: Enable dmc and dfi nodes on gru Chanwoo Choi
2019-03-20 18:35 ` Gaël PORTAY
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