[PATCH v2 1/2] Documentation: bindings: add dt doc for Rockchip PCIe controller

Shawn Lin shawn.lin at rock-chips.com
Wed Jun 8 02:31:25 PDT 2016


Hi Marc,

在 2016-6-8 17:24, Marc Zyngier 写道:
> On 08/06/16 09:05, Shawn Lin wrote:
>> This patch adds a binding that describes the Rockchip PCIe controller
>> found on Rockchip SoCs PCIe interface.
>>
>> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
>>
>> ---
>>
>> Changes in v2:
>> - fix lots clk/reset stuff suggested by Heiko
>> - remove msi-parent and add msi-map suggested by Marc
>> - drop phy related stuff
>> - some others minor fixes
>>
>>  .../devicetree/bindings/pci/rockchip-pcie.txt      | 86 ++++++++++++++++++++++
>>  1 file changed, 86 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/pci/rockchip-pcie.txt
>>
>> diff --git a/Documentation/devicetree/bindings/pci/rockchip-pcie.txt b/Documentation/devicetree/bindings/pci/rockchip-pcie.txt
>> new file mode 100644
>> index 0000000..eb92e29
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pci/rockchip-pcie.txt
>> @@ -0,0 +1,86 @@
>> +* Rockchip AXI PCIe Root Port Bridge DT description
>> +
>> +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 "rockchip,rk3399-pcie"
>> +- reg: Two register ranges as listed in the reg-names property
>> +- reg-names: Must include the following names
>> +	- "axi-base"
>> +	- "apb-base"
>> +- clocks: Must contain an entry for each entry in clock-names.
>> +		See ../clocks/clock-bindings.txt for details.
>> +- clock-names: Must include the following entries:
>> +	- "aclk"
>> +	- "aclk-perf"
>> +	- "hclk"
>> +	- "pm"
>> +- phys: From PHY bindings: Phandle for the Generic PHY for PCIe.
>> +- phy-names:  MUST be "pcie-phy".
>> +- interrupts: Three interrupt entries must be specified.
>> +- interrupt-names: Must include the following names
>> +	- "sys"
>> +	- "legacy"
>> +	- "client"
>> +- resets: Must contain five entries for each entry in reset-names.
>> +	   See ../reset/reset.txt for details.
>> +- reset-names: Must include the following names
>> +	- "core"
>> +	- "mgmt"
>> +	- "mgmt-sticky"
>> +	- "pipe"
>> +- pinctrl-names : The pin control state names
>> +- pinctrl-0: The "default" pinctrl state
>> +- interrupt-map-mask and interrupt-map: standard PCI properties
>> +- interrupt-controller: identifies the node as an interrupt controller
>> +
>> +Optional Property:
>> +- ep-gpios: contain the entry for pre-reset gpio
>> +- num-lanes: number of lanes to use
>> +- vpcie3v3-supply: The phandle to the 3.3v regulator to use for pcie. If this
>> +  is specified we'll defer probe until we can find this regulator.
>> +- vpcie1v8-supply: The phandle to the 1.8v regulator to use for pcie. If this
>> +  is specified we'll defer probe until we can find this regulator.
>> +- vpcie0v9-supply: The phandle to the 0.9v regulator to use for pcie. If this
>> +  is specified we'll defer probe until we can find this regulator.
>
> Please do not describe the behaviour of the driver here.

okay, I will fix it.

Thanks.

>
> Thanks,
>
> 	M.
>




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