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Message-Id: <20230616062101.601837-27-s.hauer@pengutronix.de>
Date:   Fri, 16 Jun 2023 08:21:01 +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>,
        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 v6 26/26] arm64: dts: rockchip: rk3588s: Add DFI

The DFI unit can be used to measure DRAM utilization using perf. Add the
node to the device tree. The DFI needs a rockchip,pmu phandle to the pmu
containing registers for SDRAM configuration details. This is added in
this patch as well.

Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>
Link: https://lore.kernel.org/r/20230524083153.2046084-26-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
---

Notes:
    Changes since v4:
    - new patch

 arch/arm64/boot/dts/rockchip/rk3588s.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
index 657c019d27fa9..4a445d8704c8f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
@@ -388,6 +388,11 @@ scmi_shmem: sram@0 {
 		};
 	};
 
+	pmu1grf: syscon@...8a000 {
+		compatible = "rockchip,rk3588-pmugrf", "syscon", "simple-mfd";
+		reg = <0x0 0xfd58a000 0x0 0x10000>;
+	};
+
 	sys_grf: syscon@...8c000 {
 		compatible = "rockchip,rk3588-sys-grf", "syscon";
 		reg = <0x0 0xfd58c000 0x0 0x1000>;
@@ -1112,6 +1117,17 @@ qos_vop_m1: qos@...82200 {
 		reg = <0x0 0xfdf82200 0x0 0x20>;
 	};
 
+	dfi: dfi@...60000 {
+		reg = <0x00 0xfe060000 0x00 0x10000>;
+		compatible = "rockchip,rk3588-dfi";
+		interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH 0>,
+			     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH 0>,
+			     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH 0>,
+			     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH 0>;
+		interrupt-names = "ch0", "ch1", "ch2", "ch3";
+		rockchip,pmu = <&pmu1grf>;
+	};
+
 	gmac1: ethernet@...c0000 {
 		compatible = "rockchip,rk3588-gmac", "snps,dwmac-4.20a";
 		reg = <0x0 0xfe1c0000 0x0 0x10000>;
-- 
2.39.2

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