[1/2] arm64: dts: renesas: r8a779h0: Add PCIe Host and Endpoint nodes

Commit Message

Yoshihiro Shimoda Sept. 4, 2024, 12:34 a.m. UTC

Add PCIe Host and Endpoint nodes for R-Car V4M (R8A779H0).

Signed-off-by: Yoshihiro Shimoda <[e-mail]>
---
 arch/arm64/boot/dts/renesas/r8a779h0.dtsi | 67 +++++++++++++++++++++++
 1 file changed, 67 insertions(+)

Comments

Geert Uytterhoeven Sept. 25, 2024, 3:39 p.m. UTC | #1

On Wed, Sep 4, 2024 at 2:34 AM Yoshihiro Shimoda
<[e-mail]> wrote:
> Add PCIe Host and Endpoint nodes for R-Car V4M (R8A779H0).
>
> Signed-off-by: Yoshihiro Shimoda <[e-mail]>

Reviewed-by: Geert Uytterhoeven <[e-mail]>
i.e. will queue in renesas-devel for v6.13.

Gr{oetje,eeting}s,

                        Geert

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
index 12d8be3fd579..ab55ab4fe9be 100644
--- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
@@ -147,6 +147,13 @@  extalr_clk: extalr-clk {
 		clock-frequency = <0>;
 	};
 
+	pcie0_clkref: pcie0-clkref {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		/* This value must be overridden by the board */
+		clock-frequency = <0>;
+	};
+
 	pmu-a76 {
 		compatible = "arm,cortex-a76-pmu";
 		interrupts-extended = <&gic GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
@@ -677,6 +684,66 @@  channel3 {
 			};
 		};
 
+		pciec0: pcie@e65d0000 {
+			compatible = "renesas,r8a779h0-pcie",
+				     "renesas,rcar-gen4-pcie";
+			reg = <0 0xe65d0000 0 0x1000>, <0 0xe65d2000 0 0x0800>,
+			      <0 0xe65d3000 0 0x2000>, <0 0xe65d5000 0 0x1200>,
+			      <0 0xe65d6200 0 0x0e00>, <0 0xe65d7000 0 0x0400>,
+			      <0 0xfe000000 0 0x400000>;
+			reg-names = "dbi", "dbi2", "atu", "dma", "app", "phy", "config";
+			interrupts = <GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 450 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 451 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 455 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi", "dma", "sft_ce", "app";
+			clocks = <&cpg CPG_MOD 624>, <&pcie0_clkref>;
+			clock-names = "core", "ref";
+			power-domains = <&sysc R8A779H0_PD_A2PCIPHY>;
+			resets = <&cpg 624>;
+			reset-names = "pwr";
+			max-link-speed = <4>;
+			num-lanes = <2>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			bus-range = <0x00 0xff>;
+			device_type = "pci";
+			ranges = <0x01000000 0 0x00000000 0 0xfe000000 0 0x00400000>,
+				 <0x02000000 0 0x30000000 0 0x30000000 0 0x10000000>;
+			dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 7>;
+			interrupt-map = <0 0 0 1 &gic GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &gic GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &gic GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &gic GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>;
+			snps,enable-cdm-check;
+			status = "disabled";
+		};
+
+		pciec0_ep: pcie-ep@e65d0000 {
+			compatible = "renesas,r8a779h0-pcie-ep",
+				     "renesas,rcar-gen4-pcie-ep";
+			reg = <0 0xe65d0000 0 0x2000>, <0 0xe65d2000 0 0x1000>,
+			      <0 0xe65d3000 0 0x2000>, <0 0xe65d5000 0 0x1200>,
+			      <0 0xe65d6200 0 0x0e00>, <0 0xe65d7000 0 0x0400>,
+			      <0 0xfe000000 0 0x400000>;
+			reg-names = "dbi", "dbi2", "atu", "dma", "app", "phy", "addr_space";
+			interrupts = <GIC_SPI 450 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 451 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 455 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "dma", "sft_ce", "app";
+			clocks = <&cpg CPG_MOD 624>, <&pcie0_clkref>;
+			clock-names = "core", "ref";
+			power-domains = <&sysc R8A779H0_PD_A2PCIPHY>;
+			resets = <&cpg 624>;
+			reset-names = "pwr";
+			max-link-speed = <4>;
+			num-lanes = <2>;
+			max-functions = /bits/ 8 <2>;
+			status = "disabled";
+		};
+
 		avb0: ethernet@e6800000 {
 			compatible = "renesas,etheravb-r8a779h0",
 				     "renesas,etheravb-rcar-gen4";