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>,
"Gaël PORTAY" <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 [thread overview]
Message-ID: <20210308233858.24741-2-daniel.lezcano@linaro.org> (raw)
In-Reply-To: <20210308233858.24741-1-daniel.lezcano@linaro.org>
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
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next prev parent reply other threads:[~2021-03-08 23:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210308234058epcas1p43f00b9dcc3ea75e758ae2cf9a35d36ac@epcas1p4.samsung.com>
2021-03-08 23:38 ` [RESEND PATCH v5 1/4] dt-bindings: devfreq: rk3399_dmc: Add rockchip, pmu phandle Daniel Lezcano
2021-03-08 23:38 ` Daniel Lezcano [this message]
2021-03-09 11:42 ` [RESEND PATCH v5 2/4] arm64: dts: rk3399: Add dfi and dmc nodes Johan Jonker
2021-03-11 11:58 ` Daniel Lezcano
2021-03-11 12:05 ` Daniel Lezcano
2021-03-08 23:38 ` [RESEND PATCH v5 3/4] arm64: dts: rockchip: Enable dmc and dfi nodes on gru Daniel Lezcano
2021-03-08 23:38 ` [RESEND PATCH v5 4/4] dt-bindings: devfreq: rk3399_dmc: Remove references of unexistant defines Daniel Lezcano
2021-03-09 10:16 ` Chanwoo Choi
2021-03-08 23:42 ` [RESEND PATCH v5 1/4] dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle Daniel Lezcano
2021-03-09 10:15 ` Chanwoo Choi
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