[PATCH 32/40] arm64: dts: renesas: r8a77990: ebisu: Add and enable PCIe device node
From: Simon Horman <hidden>
Date: 2018-11-26 12:54:58
Also in:
linux-renesas-soc
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
From: Takeshi Kihara <redacted> This patch adds PCI express channel 0 device node to the R8A77990 SoC and enables PCIEC0 PCI express controller on the Ebisu board. Signed-off-by: Takeshi Kihara <redacted> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Signed-off-by: Simon Horman <redacted> --- arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 8 ++++++ arch/arm64/boot/dts/renesas/r8a77990.dtsi | 34 ++++++++++++++++++++++++++ 2 files changed, 42 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index 2f1cbcde8ae0..3e4d90b654cc 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts@@ -444,6 +444,14 @@ status = "okay"; }; +&pcie_bus_clk { + clock-frequency = <100000000>; +}; + +&pciec0 { + status = "okay"; +}; + &pfc { avb_pins: avb { mux {
diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index a2524fc138a2..46868dacbeef 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi@@ -85,6 +85,13 @@ 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_a53 { compatible = "arm,cortex-a53-pmu"; interrupts-extended = <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
@@ -1610,6 +1617,33 @@ }; }; + pciec0: pcie at fe000000 { + compatible = "renesas,pcie-r8a77990", + "renesas,pcie-rcar-gen3"; + 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 0x40000000>; + 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 = <&cpg CPG_MOD 319>, <&pcie_bus_clk>; + clock-names = "pcie", "pcie_bus"; + power-domains = <&sysc R8A77990_PD_ALWAYS_ON>; + resets = <&cpg 319>; + status = "disabled"; + }; + prr: chipid at fff00044 { compatible = "renesas,prr"; reg = <0 0xfff00044 0 4>;
--
2.11.0