Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Daniel Lezcano <daniel.lezcano@linaro.org>
To:     heiko@sntech.de
Cc:     linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, Lin Huang <hl@rock-chips.com>,
        Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        =?UTF-8?q?Ga=C3=ABl=20PORTAY?= <gael.portay@collabora.com>,
        Rob Herring <robh+dt@kernel.org>,
        Johan Jonker <jbx6244@gmail.com>,
        Helen Koike <helen.koike@collabora.com>,
        Chen-Yu Tsai <wens@csie.org>,
        Jacob Chen <jacob2.chen@rock-chips.com>,
        Shunqian Zheng <zhengsq@rock-chips.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Boris Brezillon <boris.brezillon@collabora.com>,
        devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list)
Subject: [RESEND PATCH v5 2/4] arm64: dts: rk3399: Add dfi and dmc nodes.
Date:   Tue,  9 Mar 2021 00:38:56 +0100
Message-Id: <20210308233858.24741-2-daniel.lezcano@linaro.org>
In-Reply-To: <20210308233858.24741-1-daniel.lezcano@linaro.org>
References: <20210308233858.24741-1-daniel.lezcano@linaro.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Lin Huang <hl@rock-chips.com>

These are required to support DDR DVFS on rk3399 platform.

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>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index edbbf35fe19e..6f23d99236fe 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1937,6 +1937,25 @@
 		status = "disabled";
 	};
 
+	dfi: dfi@ff630000 {
+		reg = <0x00 0xff630000 0x00 0x4000>;
+		compatible = "rockchip,rk3399-dfi";
+		rockchip,pmu = <&pmugrf>;
+		interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH 0>;
+		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";
+		status = "disabled";
+	};
+
 	pinctrl: pinctrl {
 		compatible = "rockchip,rk3399-pinctrl";
 		rockchip,grf = <&grf>;
-- 
2.17.1