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Message-ID: <ZdN/OyNpw0Xa7qXG@lizhi-Precision-Tower-5810>
Date: Mon, 19 Feb 2024 11:18:03 -0500
From: Frank Li <Frank.li@....com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: lpieralisi@...nel.org, bhelgaas@...gle.com, conor+dt@...nel.org,
devicetree@...r.kernel.org, festevam@...il.com, helgaas@...nel.org,
hongxing.zhu@....com, imx@...ts.linux.dev, kernel@...gutronix.de,
krzysztof.kozlowski+dt@...aro.org, krzysztof.kozlowski@...aro.org,
kw@...ux.com, l.stach@...gutronix.de,
linux-arm-kernel@...ts.infradead.org, linux-imx@....com,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
robh@...nel.org, s.hauer@...gutronix.de, shawnguo@...nel.org
Subject: Re: [PATCH v10 00/14] PCI: imx6: Clean up and add imx95 pci support
On Mon, Feb 19, 2024 at 09:42:08PM +0530, Manivannan Sadhasivam wrote:
> On Mon, Feb 19, 2024 at 10:11:45AM -0500, Frank Li wrote:
> > On Mon, Feb 05, 2024 at 12:33:21PM -0500, Frank Li wrote:
> > > first 6 patches use drvdata: flags to simplify some switch-case code.
> > > Improve maintaince and easy to read code.
> > >
> >
> > @Lorenzo Pieralisi:
> >
> > Do you have chance to look other patches?
> > Mani's apply EP side change.
>
> Even though the controller is for the endpoint, it is still a controller
> driver. So all the patches should go through Lorenzo.
>
> I only merge patches under drivers/pci/endpoint. Hope this clarifies.
Sorry. It confused everyone. My means was that Mani applied Niklas Cassel's
patches, which cause my 14th patch build failure.
I asked if I need update my 14th patch or applied 1-13 only.
Frank Li
>
> - Mani
>
> > 'PCI: imx6: Add iMX95 Endpoint (EP) support' need be rebased.
> >
> > Frank
> >
> > > Then add imx95 basic pci host function.
> > >
> > > follow two patch do endpoint code clean up.
> > > Then add imx95 basic endpont function.
> > >
> > > Compared with v2, added EP function support and some fixes, please change
> > > notes at each patches.
> > >
> > > Change from v9 to v10
> > > - remove two patches:
> > > > dt-bindings: imx6q-pcie: Add linux,pci-domain as required for iMX8MQ
> > > > PCI: imx6: Using "linux,pci-domain" as slot ID
> > > it is not good solution to fixed hardcode check to get controller id.
> > > Will see better solution later.
> > >
> > > dt-binding pass pcie node:
> > >
> > > pcie0: pcie@...00000 {
> > > compatible = "fsl,imx95-pcie";
> > > reg = <0 0x4c300000 0 0x40000>,
> > > <0 0x4c360000 0 0x10000>,
> > > <0 0x4c340000 0 0x20000>,
> > > <0 0x60100000 0 0xfe00000>;
> > > reg-names = "dbi", "atu", "app", "config";
> > > #address-cells = <3>;
> > > #size-cells = <2>;
> > > device_type = "pci";
> > > linux,pci-domain = <0>;
> > > bus-range = <0x00 0xff>;
> > > ranges = <0x81000000 0x0 0x00000000 0x0 0x6ff00000 0 0x00100000>,
> > > <0x82000000 0x0 0x10000000 0x9 0x10000000 0 0x10000000>;
> > > num-lanes = <1>;
> > > num-viewport = <8>;
> > > interrupts = <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>;
> > > interrupt-names = "msi";
> > > #interrupt-cells = <1>;
> > > interrupt-map-mask = <0 0 0 0x7>;
> > > interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
> > > <0 0 0 2 &gic 0 0 GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,
> > > <0 0 0 3 &gic 0 0 GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
> > > <0 0 0 4 &gic 0 0 GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
> > > fsl,max-link-speed = <3>;
> > > clocks = <&scmi_clk IMX95_CLK_HSIO>,
> > > <&scmi_clk IMX95_CLK_HSIOPLL>,
> > > <&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
> > > <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;
> > > clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux";
> > > assigned-clocks =<&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
> > > <&scmi_clk IMX95_CLK_HSIOPLL>,
> > > <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;
> > > assigned-clock-rates = <3600000000>, <100000000>, <10000000>;
> > > assigned-clock-parents = <0>, <0>,
> > > <&scmi_clk IMX95_CLK_SYSPLL1_PFD1_DIV2>;
> > > power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>;
> > > /* 0x30~0x37 stream id for pci0 */
> > > /*
> > > * iommu-map = <0x000 &apps_smmu 0x30 0x1>,
> > > * <0x100 &apps_smmu 0x31 0x1>;
> > > */
> > > status = "disabled";
> > > };
> > >
> > > pcie1: pcie-ep@...80000 {
> > > compatible = "fsl,imx95-pcie-ep";
> > > reg = <0 0x4c380000 0 0x20000>,
> > > <0 0x4c3e0000 0 0x1000>,
> > > <0 0x4c3a0000 0 0x1000>,
> > > <0 0x4c3c0000 0 0x10000>,
> > > <0 0x4c3f0000 0 0x10000>,
> > > <0xa 0 1 0>;
> > > reg-names = "dbi", "atu", "dbi2", "app", "dma", "addr_space";
> > > interrupts = <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>;
> > > interrupt-names = "dma";
> > > fsl,max-link-speed = <3>;
> > > clocks = <&scmi_clk IMX95_CLK_HSIO>,
> > > <&scmi_clk IMX95_CLK_HSIOPLL>,
> > > <&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
> > > <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;
> > > clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux";
> > > assigned-clocks =<&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
> > > <&scmi_clk IMX95_CLK_HSIOPLL>,
> > > <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;
> > > assigned-clock-rates = <3600000000>, <100000000>, <10000000>;
> > > assigned-clock-parents = <0>, <0>,
> > > <&scmi_clk IMX95_CLK_SYSPLL1_PFD1_DIV2>;
> > > power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>;
> > > status = "disabled";
> > > };
> > >
> > > Frank Li (13):
> > > PCI: imx6: Simplify clock handling by using clk_bulk*() function
> > > PCI: imx6: Simplify phy handling by using IMX6_PCIE_FLAG_HAS_PHYDRV
> > > PCI: imx6: Simplify reset handling by using by using
> > > *_FLAG_HAS_*_RESET
> > > PCI: imx6: Simplify ltssm_enable() by using ltssm_off and ltssm_mask
> > > PCI: imx6: Simplify configure_type() by using mode_off and mode_mask
> > > PCI: imx6: Simplify switch-case logic by involve init_phy callback
> > > dt-bindings: imx6q-pcie: Clean up irrationality clocks check
> > > dt-bindings: imx6q-pcie: Restruct reg and reg-name
> > > PCI: imx6: Add iMX95 PCIe Root Complex support
> > > PCI: imx6: Clean up get addr_space code
> > > PCI: imx6: Add epc_features in imx6_pcie_drvdata
> > > dt-bindings: imx6q-pcie: Add iMX95 pcie endpoint compatible string
> > > PCI: imx6: Add iMX95 Endpoint (EP) support
> > >
> > > Richard Zhu (1):
> > > dt-bindings: imx6q-pcie: Add imx95 pcie compatible string
> > >
> > > .../bindings/pci/fsl,imx6q-pcie-common.yaml | 17 +-
> > > .../bindings/pci/fsl,imx6q-pcie-ep.yaml | 46 +-
> > > .../bindings/pci/fsl,imx6q-pcie.yaml | 49 +-
> > > drivers/pci/controller/dwc/pci-imx6.c | 634 ++++++++++--------
> > > 4 files changed, 436 insertions(+), 310 deletions(-)
> > >
> > > --
> > > 2.34.1
> > >
>
> --
> மணிவண்ணன் சதாசிவம்
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