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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>,
	"Gaël PORTAY" <gael.portay@collabora.com>
Subject: [PATCH v3 5/5] arm64: dts: rockchip: Enable dmc and dfi nodes on gru.
Date: Thu, 21 Mar 2019 19:14:40 -0400	[thread overview]
Message-ID: <20190321231440.19031-6-gael.portay@collabora.com> (raw)
In-Reply-To: <20190321231440.19031-1-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 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


WARNING: multiple messages have this Message-ID (diff)
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>
Subject: [PATCH v3 5/5] arm64: dts: rockchip: Enable dmc and dfi nodes on gru.
Date: Thu, 21 Mar 2019 19:14:40 -0400	[thread overview]
Message-ID: <20190321231440.19031-6-gael.portay@collabora.com> (raw)
In-Reply-To: <20190321231440.19031-1-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 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


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-03-21 23:14 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-21 23:14 [PATCH v3 0/5] Add support for drm/rockchip to dynamically control the DDR frequency Gaël PORTAY
2019-03-21 23:14 ` Gaël PORTAY
2019-03-21 23:14 ` [PATCH v3 1/5] devfreq: rockchip-dfi: Move GRF definitions to a common place Gaël PORTAY
2019-03-21 23:14   ` Gaël PORTAY
2019-03-21 23:14 ` [PATCH v3 2/5] dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle Gaël PORTAY
2019-03-21 23:14   ` [PATCH v3 2/5] dt-bindings: devfreq: rk3399_dmc: Add rockchip, pmu phandle Gaël PORTAY
2019-03-21 23:14 ` [PATCH v3 3/5] devfreq: rk3399_dmc: Pass ODT and auto power down parameters to TF-A Gaël PORTAY
2019-03-21 23:14   ` Gaël PORTAY
2019-03-21 23:14 ` [PATCH v3 4/5] arm64: dts: rk3399: Add dfi and dmc nodes Gaël PORTAY
2019-03-21 23:14   ` Gaël PORTAY
2019-03-28 17:59   ` Rob Herring
2019-03-28 17:59     ` Rob Herring
2019-04-11 13:20   ` Heiko Stuebner
2019-04-11 13:20     ` Heiko Stuebner
2019-03-21 23:14 ` Gaël PORTAY [this message]
2019-03-21 23:14   ` [PATCH v3 5/5] arm64: dts: rockchip: Enable dmc and dfi nodes on gru Gaël PORTAY
     [not found] ` <CGME20190321231444epcas2p364deab07c3436f4ac78c63cb2d103a0b@epcms1p2>
2019-03-25  4:48   ` [PATCH v3 1/5] devfreq: rockchip-dfi: Move GRF definitions to a common place MyungJoo Ham
2019-03-25  4:48     ` MyungJoo Ham
2019-03-25  4:48     ` MyungJoo Ham
     [not found] ` <CGME20190321231447epcas2p4de5947e1eced053fee285ccd75d1d669@epcms1p5>
2019-03-25  4:55   ` [PATCH v3 2/5] dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle MyungJoo Ham
2019-03-25  4:55     ` MyungJoo Ham
2019-03-25  4:55     ` MyungJoo Ham
     [not found] ` <CGME20190321231449epcas1p4ea54b4862fd8552f207f81bce8cb706f@epcms1p4>
2019-03-25  6:55   ` [PATCH v3 3/5] devfreq: rk3399_dmc: Pass ODT and auto power down parameters to TF-A MyungJoo Ham
2019-03-25  6:55     ` MyungJoo Ham
2019-03-25  6:55     ` MyungJoo Ham

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