RE: [PATCHv10 12/13] arm64: dts: lx2160a: Add PCIe controller DT nodes

From: Z.q. Hou
Date: Mon Feb 24 2020 - 01:11:42 EST


Hi Shawn,


> -----Original Message-----
> From: Shawn Guo <shawnguo@xxxxxxxxxx>
> Sent: 2020年2月24日 9:28
> To: Z.q. Hou <zhiqiang.hou@xxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> bhelgaas@xxxxxxxxxx; robh+dt@xxxxxxxxxx; andrew.murray@xxxxxxx;
> arnd@xxxxxxxx; mark.rutland@xxxxxxx; l.subrahmanya@xxxxxxxxxxxxxx;
> m.karthikeyan@xxxxxxxxxxxxxx; Leo Li <leoyang.li@xxxxxxx>;
> lorenzo.pieralisi@xxxxxxx; catalin.marinas@xxxxxxx;
> will.deacon@xxxxxxx; Mingkai Hu <mingkai.hu@xxxxxxx>; M.h. Lian
> <minghuan.lian@xxxxxxx>; Xiaowei Bao <xiaowei.bao@xxxxxxx>
> Subject: Re: [PATCHv10 12/13] arm64: dts: lx2160a: Add PCIe controller DT
> nodes
>
> On Thu, Feb 13, 2020 at 12:06:43PM +0800, Zhiqiang Hou wrote:
> > From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> >
> > The LX2160A integrated 6 PCIe Gen4 controllers.
> >
> > Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> > Reviewed-by: Minghuan Lian <Minghuan.Lian@xxxxxxx>
> > ---
> > V10:
> > - No change
> >
> > .../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 163
> > ++++++++++++++++++
> > 1 file changed, 163 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> > index e5ee5591e52b..aee2810d91cc 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> > @@ -1076,5 +1076,168 @@
> > };
> > };
> > };
> > +
> > + pcie@3400000 {
>
> The nodes should be sorted in unit-address. That said, they should be
> added after ata3: sata@3230000.
>
> > + compatible = "fsl,lx2160a-pcie";
> > + reg = <0x00 0x03400000 0x0 0x00100000 /* controller
> registers */
> > + 0x80 0x00000000 0x0 0x00001000>; /* configuration
> space */
> > + reg-names = "csr_axi_slave", "config_axi_slave";
> > + interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>, /* AER
> interrupt */
> > + <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>, /* PME
> interrupt */
> > + <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>; /*
> controller interrupt */
> > + interrupt-names = "aer", "pme", "intr";
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + device_type = "pci";
> > + dma-coherent;
> > + apio-wins = <8>;
> > + ppio-wins = <8>;
> > + bus-range = <0x0 0xff>;
> > + ranges = <0x82000000 0x0 0x40000000 0x80 0x40000000 0x0
> 0x40000000>; /* non-prefetchable memory */
> > + msi-parent = <&its>;
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 7>;
> > + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 109
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 2 &gic 0 0 GIC_SPI 110
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 3 &gic 0 0 GIC_SPI 111
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 4 &gic 0 0 GIC_SPI 112
> IRQ_TYPE_LEVEL_HIGH>;
> > + status = "disabled";
> > + };
> > +
> > + pcie@3500000 {
> > + compatible = "fsl,lx2160a-pcie";
> > + reg = <0x00 0x03500000 0x0 0x00100000 /* controller
> registers */
> > + 0x88 0x00000000 0x0 0x00001000>; /* configuration
> space */
> > + reg-names = "csr_axi_slave", "config_axi_slave";
> > + interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>, /* AER
> interrupt */
> > + <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>, /* PME
> interrupt */
> > + <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>; /*
> controller interrupt */
> > + interrupt-names = "aer", "pme", "intr";
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + device_type = "pci";
> > + dma-coherent;
> > + apio-wins = <8>;
> > + ppio-wins = <8>;
> > + bus-range = <0x0 0xff>;
> > + ranges = <0x82000000 0x0 0x40000000 0x88 0x40000000 0x0
> 0x40000000>; /* non-prefetchable memory */
> > + msi-parent = <&its>;
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 7>;
> > + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 114
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 2 &gic 0 0 GIC_SPI 115
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 3 &gic 0 0 GIC_SPI 116
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 4 &gic 0 0 GIC_SPI 117
> IRQ_TYPE_LEVEL_HIGH>;
> > + status = "disabled";
> > + };
> > +
> > + pcie@3600000 {
> > + compatible = "fsl,lx2160a-pcie";
> > + reg = <0x00 0x03600000 0x0 0x00100000 /* controller
> registers */
> > + 0x90 0x00000000 0x0 0x00001000>; /* configuration
> space */
> > + reg-names = "csr_axi_slave", "config_axi_slave";
> > + interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, /* AER
> interrupt */
> > + <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, /* PME
> interrupt */
> > + <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>; /*
> controller interrupt */
> > + interrupt-names = "aer", "pme", "intr";
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + device_type = "pci";
> > + dma-coherent;
> > + apio-wins = <256>;
> > + ppio-wins = <24>;
> > + bus-range = <0x0 0xff>;
> > + ranges = <0x82000000 0x0 0x40000000 0x90 0x40000000 0x0
> 0x40000000>; /* non-prefetchable memory */
> > + msi-parent = <&its>;
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 7>;
> > + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 119
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 2 &gic 0 0 GIC_SPI 120
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 3 &gic 0 0 GIC_SPI 121
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 4 &gic 0 0 GIC_SPI 122
> IRQ_TYPE_LEVEL_HIGH>;
> > + status = "disabled";
> > + };
> > +
> > + pcie@3700000 {
> > + compatible = "fsl,lx2160a-pcie";
> > + reg = <0x00 0x03700000 0x0 0x00100000 /* controller
> registers */
> > + 0x98 0x00000000 0x0 0x00001000>; /* configuration
> space */
> > + reg-names = "csr_axi_slave", "config_axi_slave";
> > + interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, /* AER
> interrupt */
> > + <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, /* PME
> interrupt */
> > + <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>; /*
> controller interrupt */
> > + interrupt-names = "aer", "pme", "intr";
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + device_type = "pci";
> > + dma-coherent;
> > + apio-wins = <8>;
> > + ppio-wins = <8>;
> > + bus-range = <0x0 0xff>;
> > + ranges = <0x82000000 0x0 0x40000000 0x98 0x40000000 0x0
> 0x40000000>; /* non-prefetchable memory */
> > + msi-parent = <&its>;
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 7>;
> > + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 124
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 2 &gic 0 0 GIC_SPI 125
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 3 &gic 0 0 GIC_SPI 126
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 4 &gic 0 0 GIC_SPI 127
> IRQ_TYPE_LEVEL_HIGH>;
> > + status = "disabled";
> > + };
> > +
> > + pcie@3800000 {
> > + compatible = "fsl,lx2160a-pcie";
> > + reg = <0x00 0x03800000 0x0 0x00100000 /* controller
> registers */
> > + 0xa0 0x00000000 0x0 0x00001000>; /* configuration
> space */
> > + reg-names = "csr_axi_slave", "config_axi_slave";
> > + interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, /* AER
> interrupt */
> > + <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, /* PME
> interrupt */
> > + <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>; /*
> controller interrupt */
> > + interrupt-names = "aer", "pme", "intr";
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + device_type = "pci";
> > + dma-coherent;
> > + apio-wins = <256>;
> > + ppio-wins = <24>;
> > + bus-range = <0x0 0xff>;
> > + ranges = <0x82000000 0x0 0x40000000 0xa0 0x40000000 0x0
> 0x40000000>; /* non-prefetchable memory */
> > + msi-parent = <&its>;
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 7>;
> > + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 129
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 2 &gic 0 0 GIC_SPI 130
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 3 &gic 0 0 GIC_SPI 131
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 4 &gic 0 0 GIC_SPI 132
> IRQ_TYPE_LEVEL_HIGH>;
> > + status = "disabled";
> > + };
> > +
> > + pcie@3900000 {
> > + compatible = "fsl,lx2160a-pcie";
> > + reg = <0x00 0x03900000 0x0 0x00100000 /* controller
> registers */
> > + 0xa8 0x00000000 0x0 0x00001000>; /* configuration
> space */
> > + reg-names = "csr_axi_slave", "config_axi_slave";
> > + interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>, /* AER
> interrupt */
> > + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>, /* PME
> interrupt */
> > + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>; /*
> controller interrupt */
> > + interrupt-names = "aer", "pme", "intr";
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + device_type = "pci";
> > + dma-coherent;
> > + apio-wins = <8>;
> > + ppio-wins = <8>;
> > + bus-range = <0x0 0xff>;
> > + ranges = <0x82000000 0x0 0x40000000 0xa8 0x40000000 0x0
> 0x40000000>; /* non-prefetchable memory */
> > + msi-parent = <&its>;
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 7>;
> > + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 104
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 2 &gic 0 0 GIC_SPI 105
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 3 &gic 0 0 GIC_SPI 106
> IRQ_TYPE_LEVEL_HIGH>,
> > + <0000 0 0 4 &gic 0 0 GIC_SPI 107
> IRQ_TYPE_LEVEL_HIGH>;
> > + status = "disabled";
> > + };
> > +
>
> Unnecessary newline.
>
> I fixed them up and applied the patch.

Thanks a lot for your help!

Thanks,
Zhiqiang

>
> Shawn
>
> > };
> > };
> > --
> > 2.17.1
> >