linux-kernel - [PATCH v6 3/7] arm64: dts: agilex: move bus@...00000 to socfpga

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Message-Id: <20250211151725.4133582-4-matthew.gerlach@linux.intel.com>
Date: Tue, 11 Feb 2025 09:17:21 -0600
From: Matthew Gerlach <matthew.gerlach@...ux.intel.com>
To: lpieralisi@...nel.org,
	kw@...ux.com,
	manivannan.sadhasivam@...aro.org,
	robh@...nel.org,
	bhelgaas@...gle.com,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	dinguyen@...nel.org,
	joyce.ooi@...el.com,
	linux-pci@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: matthew.gerlach@...era.com,
	peter.colberg@...era.com,
	Matthew Gerlach <matthew.gerlach@...ux.intel.com>
Subject: [PATCH v6 3/7] arm64: dts: agilex: move bus@...00000 to socfpga_agilex.dtsi

The bus from HPS to the FPGA is part of the SoC. Move its
device tree node to socfpga_agilex.dtsi to allow it to be
referenced by any board.

Signed-off-by: Matthew Gerlach <matthew.gerlach@...ux.intel.com>
---
v6:
 - New patch to series.
---
 arch/arm64/boot/dts/intel/socfpga_agilex.dtsi | 10 +++++++
 .../boot/dts/intel/socfpga_agilex_n6000.dts   | 28 +++++++------------
 2 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index 42cb24cfa6da..26ccdf042281 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -678,5 +678,15 @@ qspi: spi@...d2000 {
 
 			status = "disabled";
 		};
+
+		bus80000000: bus@...00000 {
+			compatible = "simple-bus";
+			reg = <0x80000000 0x60000000>,
+			      <0xf9000000 0x00100000>;
+			reg-names = "axi_h2f", "axi_h2f_lw";
+			#address-cells = <2>;
+			#size-cells = <1>;
+			ranges = <0x00000000 0x00000000 0x00000000 0x00000000>;
+		};
 	};
 };
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts b/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts
index d22de06e9839..350c040ce9fe 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts
@@ -25,24 +25,6 @@ memory@...00000 {
 		/* We expect the bootloader to fill in the reg */
 		reg = <0 0x80000000 0 0>;
 	};
-
-	soc@0 {
-		bus@...00000 {
-			compatible = "simple-bus";
-			reg = <0x80000000 0x60000000>,
-				<0xf9000000 0x00100000>;
-			reg-names = "axi_h2f", "axi_h2f_lw";
-			#address-cells = <2>;
-			#size-cells = <1>;
-			ranges = <0x00000000 0x00000000 0xf9000000 0x00001000>;
-
-			dma-controller@0 {
-				compatible = "intel,hps-copy-engine";
-				reg = <0x00000000 0x00000000 0x00001000>;
-				#dma-cells = <1>;
-			};
-		};
-	};
 };
 
 &osc1 {
@@ -64,3 +46,13 @@ &watchdog0 {
 &fpga_mgr {
 	status = "disabled";
 };
+
+&bus80000000 {
+	ranges = <0x00000000 0x00000000 0xf9000000 0x00001000>;
+
+	dma-controller@0 {
+		compatible = "intel,hps-copy-engine";
+		reg = <0x00000000 0x00000000 0x00001000>;
+		#dma-cells = <1>;
+	};
+};
-- 
2.34.1