Lorenzo, my apologies; I will make sure not to send multiple copies of same patch next time. Thanks. On Tue, May 8, 2018 at 9:48 PM, Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> wrote: > On Mon, May 07, 2018 at 04:52:14AM -0400, Subrahmanya Lingappa wrote: >> This patch adds the DT bindings for Mobiveil PCIe Host Bridge >> IP driver and updates the vendor prefixes file. >> >> Signed-off-by: Subrahmanya Lingappa <l.subrahmanya@xxxxxxxxxxxxxx> >> Acked-by: Rob Herring <robh@xxxxxxxxxx> >> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> >> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> >> Cc: linux-pci@xxxxxxxxxxxxxxx >> Cc: devicetree@xxxxxxxxxxxxxxx >> --- >> .../devicetree/bindings/pci/mobiveil-pcie.txt | 73 ++++++++++++++++++++++ >> .../devicetree/bindings/vendor-prefixes.txt | 1 + >> MAINTAINERS | 7 +++ >> 3 files changed, 81 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/pci/mobiveil-pcie.txt > > You sent this patch twice, which confused patchwork (which we use to > apply patches), please send the series to yourself to test it is right > before sending it to the list. > > Thanks, > Lorenzo > >> >> diff --git a/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt b/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt >> new file mode 100644 >> index 0000000..65038aa >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt >> @@ -0,0 +1,73 @@ >> +* Mobiveil AXI PCIe Root Port Bridge DT description >> + >> +Mobiveil's GPEX 4.0 is a PCIe Gen4 root port bridge IP. This configurable IP >> +has up to 8 outbound and inbound windows for the address translation. >> + >> +Required properties: >> +- #address-cells: Address representation for root ports, set to <3> >> +- #size-cells: Size representation for root ports, set to <2> >> +- #interrupt-cells: specifies the number of cells needed to encode an >> + interrupt source. The value must be 1. >> +- compatible: Should contain "mbvl,gpex40-pcie" >> +- reg: Should contain PCIe registers location and length >> + "config_axi_slave": PCIe controller registers >> + "csr_axi_slave" : Bridge config registers >> + "gpio_slave" : GPIO registers to control slot power >> + "apb_csr" : MSI registers >> + >> +- device_type: must be "pci" >> +- apio-wins : number of requested apio outbound windows >> + default 2 outbound windows are configured - >> + 1. Config window >> + 2. Memory window >> +- ppio-wins : number of requested ppio inbound windows >> + default 1 inbound memory window is configured. >> +- bus-range: PCI bus numbers covered >> +- interrupt-controller: identifies the node as an interrupt controller >> +- #interrupt-cells: specifies the number of cells needed to encode an >> + interrupt source. The value must be 1. >> +- interrupt-parent : phandle to the interrupt controller that >> + it is attached to, it should be set to gic to point to >> + ARM's Generic Interrupt Controller node in system DT. >> +- interrupts: The interrupt line of the PCIe controller >> + last cell of this field is set to 4 to >> + denote it as IRQ_TYPE_LEVEL_HIGH type interrupt. >> +- interrupt-map-mask, >> + interrupt-map: standard PCI properties to define the mapping of the >> + PCI interface to interrupt numbers. >> +- ranges: ranges for the PCI memory regions (I/O space region is not >> + supported by hardware) >> + Please refer to the standard PCI bus binding document for a more >> + detailed explanation >> + >> + >> +Example: >> +++++++++ >> + pcie0: pcie@a0000000 { >> + #address-cells = <3>; >> + #size-cells = <2>; >> + compatible = "mbvl,gpex40-pcie"; >> + reg = <0xa0000000 0x00001000>, >> + <0xb0000000 0x00010000>, >> + <0xff000000 0x00200000>, >> + <0xb0010000 0x00001000>; >> + reg-names = "config_axi_slave", >> + "csr_axi_slave", >> + "gpio_slave", >> + "apb_csr"; >> + device_type = "pci"; >> + apio-wins = <2>; >> + ppio-wins = <1>; >> + bus-range = <0x00000000 0x000000ff>; >> + interrupt-controller; >> + interrupt-parent = <&gic>; >> + #interrupt-cells = <1>; >> + interrupts = < 0 89 4 >; >> + interrupt-map-mask = <0 0 0 7>; >> + interrupt-map = <0 0 0 0 &pci_express 0>, >> + <0 0 0 1 &pci_express 1>, >> + <0 0 0 2 &pci_express 2>, >> + <0 0 0 3 &pci_express 3>; >> + ranges = < 0x83000000 0 0x00000000 0xa8000000 0 0x8000000>; >> + >> + }; >> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt >> index 0994bdd..8263cc7 100644 >> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt >> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt >> @@ -197,6 +197,7 @@ lwn Liebherr-Werk Nenzing GmbH >> macnica Macnica Americas >> marvell Marvell Technology Group Ltd. >> maxim Maxim Integrated Products >> +mbvl Mobiveil Inc. >> mcube mCube >> meas Measurement Specialties >> mediatek MediaTek Inc. >> diff --git a/MAINTAINERS b/MAINTAINERS >> index 44512c3..b295080 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -9162,6 +9162,13 @@ Q: http://patchwork.linuxtv.org/project/linux-media/list/ >> S: Maintained >> F: drivers/media/dvb-frontends/mn88473* >> >> +PCI DRIVER FOR MOBIVEIL PCIE IP >> +M: Subrahmanya Lingappa <l.subrahmanya@xxxxxxxxxxxxxx> >> +L: linux-pci@xxxxxxxxxxxxxxx >> +S: Supported >> +F: Documentation/devicetree/bindings/pci/mobiveil-pcie.txt >> +F: drivers/pci/host/pcie-mobiveil.c >> + >> MODULE SUPPORT >> M: Jessica Yu <jeyu@xxxxxxxxxx> >> M: Rusty Russell <rusty@xxxxxxxxxxxxxxx> >> -- >> 1.8.3.1 >>