| Message ID | 73655e49e80ac08826ad2d470e1387ba1b662d83.1572950559.git.eswara.kota@linux.intel.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | PCI: Add Intel PCIe Driver and respective dt-binding yaml file | expand |
On Wed, Nov 06, 2019 at 11:44:01AM +0800, Dilip Kota wrote: > Add YAML schemas for PCIe RC controller on Intel Gateway SoCs > which is Synopsys DesignWare based PCIe core. > > Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com> > Reviewed-by: Andrew Murray <andrew.murray@arm.com> > --- > Changes on v5: > Add Reviewed-by Andrew Murray. > Add possible values and default value for max-link-speed. > Remove $ref and add maximum and default for reset-assert-ms. > Set true flag for linux,pci-domain. > Define maxItems for ranges and clock. > Define maximum for num-lanes. > Update required list: > Add #address-cells, #size-cells, #interrupt-cells. > Remove num-lanes and linux,pci-domain. > Add required header files in example. > Remove status entry in example. > > changes on v4: > Add "snps,dw-pcie" compatible. > Rename phy-names property value to pcie. > And maximum and minimum values to num-lanes. > Add ref for reset-assert-ms entry and update the > description for easy understanding. > Remove PCIe core interrupt entry. > > changes on v3: > Add the appropriate License-Identifier > Rename intel,rst-interval to 'reset-assert-us' > Add additionalProperties: false > Rename phy-names to 'pciephy' > Remove the dtsi node split of SoC and board in the example > Add #interrupt-cells = <1>; or else interrupt parsing will fail > Name yaml file with compatible name > > .../devicetree/bindings/pci/intel-gw-pcie.yaml | 138 +++++++++++++++++++++ > 1 file changed, 138 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml I'm working on a common PCI schema which will shrink this, but in the meantime: Reviewed-by: Rob Herring <robh@kernel.org>
On 11/13/2019 3:17 AM, Rob Herring wrote: > On Wed, Nov 06, 2019 at 11:44:01AM +0800, Dilip Kota wrote: >> Add YAML schemas for PCIe RC controller on Intel Gateway SoCs >> which is Synopsys DesignWare based PCIe core. >> >> Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com> >> Reviewed-by: Andrew Murray <andrew.murray@arm.com> >> --- >> Changes on v5: >> Add Reviewed-by Andrew Murray. >> Add possible values and default value for max-link-speed. >> Remove $ref and add maximum and default for reset-assert-ms. >> Set true flag for linux,pci-domain. >> Define maxItems for ranges and clock. >> Define maximum for num-lanes. >> Update required list: >> Add #address-cells, #size-cells, #interrupt-cells. >> Remove num-lanes and linux,pci-domain. >> Add required header files in example. >> Remove status entry in example. >> >> changes on v4: >> Add "snps,dw-pcie" compatible. >> Rename phy-names property value to pcie. >> And maximum and minimum values to num-lanes. >> Add ref for reset-assert-ms entry and update the >> description for easy understanding. >> Remove PCIe core interrupt entry. >> >> changes on v3: >> Add the appropriate License-Identifier >> Rename intel,rst-interval to 'reset-assert-us' >> Add additionalProperties: false >> Rename phy-names to 'pciephy' >> Remove the dtsi node split of SoC and board in the example >> Add #interrupt-cells = <1>; or else interrupt parsing will fail >> Name yaml file with compatible name >> >> .../devicetree/bindings/pci/intel-gw-pcie.yaml | 138 +++++++++++++++++++++ >> 1 file changed, 138 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml > I'm working on a common PCI schema which will shrink this, but in the > meantime: > > Reviewed-by: Rob Herring <robh@kernel.org> Sure, Thanks for reviewing the patch. Regards, Dilip
diff --git a/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml b/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml new file mode 100644 index 000000000000..db605d8a387d --- /dev/null +++ b/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml @@ -0,0 +1,138 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/intel-gw-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PCIe RC controller on Intel Gateway SoCs + +maintainers: + - Dilip Kota <eswara.kota@linux.intel.com> + +properties: + compatible: + items: + - const: intel,lgm-pcie + - const: snps,dw-pcie + + device_type: + const: pci + + "#address-cells": + const: 3 + + "#size-cells": + const: 2 + + reg: + items: + - description: Controller control and status registers. + - description: PCIe configuration registers. + - description: Controller application registers. + + reg-names: + items: + - const: dbi + - const: config + - const: app + + ranges: + maxItems: 1 + + resets: + maxItems: 1 + + clocks: + maxItems: 1 + + phys: + maxItems: 1 + + phy-names: + const: pcie + + reset-gpios: + maxItems: 1 + + linux,pci-domain: true + + num-lanes: + maximum: 2 + description: Number of lanes to use for this port. + + '#interrupt-cells': + const: 1 + + interrupt-map-mask: + description: Standard PCI IRQ mapping properties. + + interrupt-map: + description: Standard PCI IRQ mapping properties. + + max-link-speed: + description: Specify PCI Gen for link capability. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [ 1, 2, 3, 4 ] + - default: 1 + + bus-range: + description: Range of bus numbers associated with this controller. + + reset-assert-ms: + description: | + Delay after asserting reset to the PCIe device. + maximum: 500 + default: 100 + +required: + - compatible + - device_type + - "#address-cells" + - "#size-cells" + - reg + - reg-names + - ranges + - resets + - clocks + - phys + - phy-names + - reset-gpios + - '#interrupt-cells' + - interrupt-map + - interrupt-map-mask + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/clock/intel,lgm-clk.h> + pcie10: pcie@d0e00000 { + compatible = "intel,lgm-pcie", "snps,dw-pcie"; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + reg = <0xd0e00000 0x1000>, + <0xd2000000 0x800000>, + <0xd0a41000 0x1000>; + reg-names = "dbi", "config", "app"; + linux,pci-domain = <0>; + max-link-speed = <4>; + bus-range = <0x00 0x08>; + interrupt-parent = <&ioapic1>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <0 0 0 1 &ioapic1 27 1>, + <0 0 0 2 &ioapic1 28 1>, + <0 0 0 3 &ioapic1 29 1>, + <0 0 0 4 &ioapic1 30 1>; + ranges = <0x02000000 0 0xd4000000 0xd4000000 0 0x04000000>; + resets = <&rcu0 0x50 0>; + clocks = <&cgu0 LGM_GCLK_PCIE10>; + phys = <&cb0phy0>; + phy-names = "pcie"; + reset-assert-ms = <500>; + reset-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>; + num-lanes = <2>; + };