linux-kernel - [PATCH v8 25/26] arm64: dts: rockchip: rk356x: Add DFI

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Message-Id: <20231018061714.3553817-26-s.hauer@pengutronix.de>
Date:   Wed, 18 Oct 2023 08:17:13 +0200
From:   Sascha Hauer <s.hauer@...gutronix.de>
To:     linux-rockchip@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, Heiko Stuebner <heiko@...ech.de>,
        Chanwoo Choi <chanwoo@...nel.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>, kernel@...gutronix.de,
        Michael Riesch <michael.riesch@...fvision.net>,
        Robin Murphy <robin.murphy@....com>,
        Vincent Legoll <vincent.legoll@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Sascha Hauer <s.hauer@...gutronix.de>
Subject: [PATCH v8 25/26] arm64: dts: rockchip: rk356x: Add DFI

The DFI unit can be used to measure DRAM utilization using perf. Add the
node to the device tree.

Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
---
 arch/arm64/boot/dts/rockchip/rk356x.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index abee88911982d..0964761e3ce9e 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -959,6 +959,13 @@ qos_vop_m1: qos@...a8100 {
 		reg = <0x0 0xfe1a8100 0x0 0x20>;
 	};
 
+	dfi: dfi@...30000 {
+		compatible = "rockchip,rk3568-dfi";
+		reg = <0x00 0xfe230000 0x00 0x400>;
+		interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+		rockchip,pmu = <&pmugrf>;
+	};
+
 	pcie2x1: pcie@...60000 {
 		compatible = "rockchip,rk3568-pcie";
 		reg = <0x3 0xc0000000 0x0 0x00400000>,
-- 
2.39.2