| Message ID | 20211019111750.28631-1-Zhiqiang.Hou@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] arm64: dts: Add PCIe endpoint mode DT node for ls1012a | expand |
> -----Original Message----- > From: Z.Q. Hou <zhiqiang.hou@nxp.com> > Sent: Tuesday, October 19, 2021 6:18 AM > To: linux-pci@vger.kernel.org; devicetree@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; shawnguo@kernel.org; robh+dt@kernel.org; Leo > Li <leoyang.li@nxp.com>; lorenzo.pieralisi@arm.com; kishon@ti.com > Cc: Z.Q. Hou <zhiqiang.hou@nxp.com> > Subject: [PATCH 1/2] arm64: dts: Add PCIe endpoint mode DT node for > ls1012a > > From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> > > Add PCIe endpoint mode DT node for ls1012a and reuse the compatible > string of ls1046a. > > Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> > --- > arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > index 50a72cda4727..82bf2fe6f8bd 100644 > --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > @@ -545,6 +545,16 @@ > status = "disabled"; > }; > > + pcie_ep1: pcie-ep@3400000 { > + compatible = "fsl,ls1046a-pcie-ep","fsl,ls-pcie-ep"; > + reg = <0x00 0x03400000 0x0 0x00100000>, > + <0x40 0x00000000 0x8 0x00000000>; > + reg-names = "regs", "addr_space"; > + num-ib-windows = <2>; > + num-ob-windows = <2>; It looks like these properties are defined in "snps,dw-pcie-ep.yaml" instead of "layerscape-pci.txt". Shall we add a reference to that in the binding? Or maybe we can just reuse the snps,dw-pcie-ep.yaml binding? > + status = "disabled"; > + }; > + > rcpm: power-controller@1ee2140 { > compatible = "fsl,ls1012a-rcpm", "fsl,qoriq-rcpm- > 2.1+"; > reg = <0x0 0x1ee2140 0x0 0x4>; > -- > 2.17.1
Hi Leo, > -----Original Message----- > From: Leo Li <leoyang.li@nxp.com> > Sent: 2021年10月20日 6:31 > To: Z.Q. Hou <zhiqiang.hou@nxp.com>; linux-pci@vger.kernel.org; > devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; > shawnguo@kernel.org; robh+dt@kernel.org; lorenzo.pieralisi@arm.com; > kishon@ti.com > Subject: RE: [PATCH 1/2] arm64: dts: Add PCIe endpoint mode DT node for > ls1012a > > > > > -----Original Message----- > > From: Z.Q. Hou <zhiqiang.hou@nxp.com> > > Sent: Tuesday, October 19, 2021 6:18 AM > > To: linux-pci@vger.kernel.org; devicetree@vger.kernel.org; linux-arm- > > kernel@lists.infradead.org; shawnguo@kernel.org; robh+dt@kernel.org; > > Leo Li <leoyang.li@nxp.com>; lorenzo.pieralisi@arm.com; kishon@ti.com > > Cc: Z.Q. Hou <zhiqiang.hou@nxp.com> > > Subject: [PATCH 1/2] arm64: dts: Add PCIe endpoint mode DT node for > > ls1012a > > > > From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> > > > > Add PCIe endpoint mode DT node for ls1012a and reuse the compatible > > string of ls1046a. > > > > Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> > > --- > > arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 10 ++++++++++ > > 1 file changed, 10 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > > b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > > index 50a72cda4727..82bf2fe6f8bd 100644 > > --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi > > @@ -545,6 +545,16 @@ > > status = "disabled"; > > }; > > > > + pcie_ep1: pcie-ep@3400000 { > > + compatible = "fsl,ls1046a-pcie-ep","fsl,ls-pcie-ep"; > > + reg = <0x00 0x03400000 0x0 0x00100000>, > > + <0x40 0x00000000 0x8 0x00000000>; > > + reg-names = "regs", "addr_space"; > > + num-ib-windows = <2>; > > + num-ob-windows = <2>; > > It looks like these properties are defined in "snps,dw-pcie-ep.yaml" instead > of "layerscape-pci.txt". Shall we add a reference to that in the binding? > Or maybe we can just reuse the snps,dw-pcie-ep.yaml binding? Yes, reuse is a good idea, and I'll convert the binding file to the fashion DT schema and split it for RC and EP mode. Thanks, Zhiqiang > > > + status = "disabled"; > > + }; > > + > > rcpm: power-controller@1ee2140 { > > compatible = "fsl,ls1012a-rcpm", "fsl,qoriq-rcpm- 2.1+"; > > reg = <0x0 0x1ee2140 0x0 0x4>; > > -- > > 2.17.1
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi index 50a72cda4727..82bf2fe6f8bd 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi @@ -545,6 +545,16 @@ status = "disabled"; }; + pcie_ep1: pcie-ep@3400000 { + compatible = "fsl,ls1046a-pcie-ep","fsl,ls-pcie-ep"; + reg = <0x00 0x03400000 0x0 0x00100000>, + <0x40 0x00000000 0x8 0x00000000>; + reg-names = "regs", "addr_space"; + num-ib-windows = <2>; + num-ob-windows = <2>; + status = "disabled"; + }; + rcpm: power-controller@1ee2140 { compatible = "fsl,ls1012a-rcpm", "fsl,qoriq-rcpm-2.1+"; reg = <0x0 0x1ee2140 0x0 0x4>;