diff mbox series

[4.4.y-cip,2/8] ARM: dts: r8a7742: Add PCIe Controller device node

Message ID 20201106095151.25880-3-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State Accepted
Delegated to: Nobuhiro Iwamatsu
Headers show
Series Renesas RZ/G1H add PCIe, SATA and VSP support | expand

Commit Message

Lad Prabhakar Nov. 6, 2020, 9:51 a.m. UTC
commit ebe5f898b60b341bd223d835dd3d7d77a5b38979 upstream.

Add a device node for the PCIe controller on the Renesas
RZ/G1H (r8a7742) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200810174156.30880-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
[PL: changed clocks and power-domain properties, removed resets property]
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742.dtsi | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi
index e37f65655479..0268c46d8f59 100644
--- a/arch/arm/boot/dts/r8a7742.dtsi
+++ b/arch/arm/boot/dts/r8a7742.dtsi
@@ -594,6 +594,13 @@ 
 		clock-frequency = <0>;
 	};
 
+	/* External PCIe clock - can be overridden by the board */
+	pcie_bus_clk: pcie_bus {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+
 	pmu-0 {
 		compatible = "arm,cortex-a15-pmu";
 		interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
@@ -1563,6 +1570,33 @@ 
 			power-domains = <&cpg_clocks>;
 		};
 
+		pciec: pcie@fe000000 {
+			compatible = "renesas,pcie-r8a7742",
+				     "renesas,pcie-rcar-gen2";
+			reg = <0 0xfe000000 0 0x80000>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			bus-range = <0x00 0xff>;
+			device_type = "pci";
+			ranges = <0x01000000 0 0x00000000 0 0xfe100000 0 0x00100000>,
+				 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
+				 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
+				 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
+			/* Map all possible DDR as inbound ranges */
+			dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>,
+				     <0x43000000 1 0x80000000 1 0x80000000 0 0x80000000>;
+			interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&mstp3_clks R8A7742_CLK_PCIEC>, <&pcie_bus_clk>;
+			clock-names = "pcie", "pcie_bus";
+			power-domains = <&cpg_clocks>;
+			status = "disabled";
+		};
+
 		cmt0: timer@ffca0000 {
 			compatible = "renesas,cmt-48-r8a7742",
 				     "renesas,cmt-48-gen2";