linux-kernel - [PATCH 5/6] arm64: dts: fsd: Add PPMU support for MFC block of FSD SoC

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Message-ID: <20250708103208.79444-6-vivek.2311@samsung.com>
Date: Tue,  8 Jul 2025 16:02:07 +0530
From: Vivek Yadav <vivek.2311@...sung.com>
To: pankaj.dubey@...sung.com, ravi.patel@...sung.com, shradha.t@...sung.com,
	mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org, krzk@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, will@...nel.org,
	mark.rutland@....com, s.nawrocki@...sung.com, cw00.choi@...sung.com,
	alim.akhtar@...sung.com, linux-fsd@...la.com
Cc: linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-perf-users@...r.kernel.org, linux-samsung-soc@...r.kernel.org, Vivek
	Yadav <vivek.2311@...sung.com>
Subject: [PATCH 5/6] arm64: dts: fsd: Add PPMU support for MFC block of FSD
 SoC

Add device tree node for PPMU instances in MFC block and
enable the same for Tesla FSD platform.

Signed-off-by: Ravi Patel <ravi.patel@...sung.com>
Signed-off-by: Vivek Yadav <vivek.2311@...sung.com>
---
 arch/arm64/boot/dts/tesla/fsd-evb.dts |  8 ++++++++
 arch/arm64/boot/dts/tesla/fsd.dtsi    | 20 ++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 8d7794642900..f543c7dad7cc 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -110,3 +110,11 @@ &serial_0 {
 &ufs {
 	status = "okay";
 };
+
+&ppmu0_mfc {
+	status = "okay";
+};
+
+&ppmu1_mfc {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index 690b4ed9c29b..7b6e7d81be10 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -970,6 +970,26 @@ timer@...40000 {
 			clock-names = "fin_pll", "mct";
 		};
 
+		ppmu0_mfc: ppmu@...40000 {
+			compatible = "samsung,ppmu-v2";
+			reg = <0x0 0x12840000 0x0 0x1000>;
+			interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clock_mfc MFC_PPMU_MFCD0_IPCLKPORT_ACLK>,
+				 <&clock_mfc MFC_PPMU_MFCD0_IPCLKPORT_PCLK>;
+			clock-names = "aclk", "pclk";
+		};
+
+		ppmu1_mfc: ppmu@...50000 {
+			compatible = "samsung,ppmu-v2";
+			reg = <0x0 0x12850000 0x0 0x1000>;
+			interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clock_mfc MFC_PPMU_MFCD1_IPCLKPORT_ACLK>,
+				 <&clock_mfc MFC_PPMU_MFCD1_IPCLKPORT_PCLK>;
+			clock-names = "aclk", "pclk";
+		};
+
 		mfc: mfc@...80000 {
 			compatible = "tesla,fsd-mfc";
 			reg = <0x0 0x12880000 0x0 0x10000>;
-- 
2.49.0