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author | Takeshi Kihara <takeshi.kihara.df@renesas.com> | 2018-11-13 20:22:26 +0100 |
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committer | Simon Horman <horms+renesas@verge.net.au> | 2018-11-19 11:33:09 +0100 |
commit | ba3ac35b4896cf291f6fdaf04a505985e5ccce30 (patch) | |
tree | 20c244448aa74a3950c3d405e027e1525a1438f0 /arch | |
parent | 2250d856b279d992c392170860a78c2482b1859c (diff) | |
download | linux-stable-ba3ac35b4896cf291f6fdaf04a505985e5ccce30.tar.gz linux-stable-ba3ac35b4896cf291f6fdaf04a505985e5ccce30.tar.bz2 linux-stable-ba3ac35b4896cf291f6fdaf04a505985e5ccce30.zip |
arm64: dts: renesas: r8a77990: ebisu: Add and enable PCIe device node
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 <takeshi.kihara.df@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 8 | ||||
-rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77990.dtsi | 34 |
2 files changed, 42 insertions, 0 deletions
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@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@fff00044 { compatible = "renesas,prr"; reg = <0 0xfff00044 0 4>; |