On 12/28/2016 01:19 AM, Krzysztof Kozlowski wrote:
> On Mon, Dec 26, 2016 at 02:20:28PM +0900, Jaehoon Chung wrote:
>> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
>> ---
>> .../devicetree/bindings/pci/exynos5433-pcie.txt | 36 ++++++++++++++++++++++
>> 1 file changed, 36 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/pci/exynos5433-pcie.txt
>>
>> diff --git a/Documentation/devicetree/bindings/pci/exynos5433-pcie.txt b/Documentation/devicetree/bindings/pci/exynos5433-pcie.txt
>> new file mode 100644
>> index 0000000..932a847
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pci/exynos5433-pcie.txt
>> @@ -0,0 +1,36 @@
>> +* Samsung Exynos5433 PCIe interface
>> +
>> +This PCIe host controller is based on the Synopsis Designware PCIe IP
>
> Synopsys.
Will fix.
>
>> +and thus inherits all the common properties defined in designware-pcie.txt.
>> +
>> +Required properties:
>> +- compatible: "samsung,exynos5433-pcie"
>> +- reg: base addresses and lengths of the pcie controller,
>> + the phy controller, additional register for the phy controller.
>
> You mentioned three regs but the example contains four of them. Is the
> config comming from snps,dw-pcie?
Oops..It's my mistake. Just needs to put three reg.
Elbi : External local Bus interface register.
Dbi : Data bus interface register.(Control register.)
Config : for configuration space.
"config" can be removed. Because it's not Exynos specific, synopsys's Required property.
>
>> +- reg-names: Must be "elbi", "phy" and "dbi" for each regs
>
> Again, three here, four in example.
Will fix.
>
>> +- interrupt-names: Must be "intr" for legacy interrupt pin.
>> +
>> +Other common properites refer to
>> + Documentation/devicetree/binding/pci/designware-pcie.txt
>> +
>> +Example:
>> +
>> + pcie: pcie@15700000 {
>> + compatible ="samsung,exynos5433-pcie", "snps,dw-pcie";
> ^
> space needed
>> + #address-cells = <3>;
>> + #size-cells = <2>;
>> + device_type = "pci";
>> + interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
>> + interrupt-names = "intr";
>> + clocks = <&cmu_fsys CLK_PCIE>, <&cmu_fsys CLK_PCLK_PCIE_PHY>;
>> + clock-names = "pcie", "pcie_bus";
>> + num-lanes = <1>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pcie_bus>;
>> + reg = <0x156b0000 0x1000>, <0x15680000 0x1000>,
>> + <0x15700000 0x1000>, <0x0c000000 0x1000>;
>
> Indentation here looks wrong. You indented it with spaces after tabs...
> but not to align with line before.
Will fix.
Best Regards,
Jaehoon Chung
>
> Beside that, fine with me:
> Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>
> Best regards,
> Krzysztof
>
>
>> + reg-names = "elbi", "phy", "dbi", "config";
>> + ranges = <0x81000000 0 0 0x0c001000 0 0x00010000
>> + 0x82000000 0 0x0c011000 0x0c011000 0 0x3feefff>;
>> + status = "disabled";
>> + };
>> --
>> 2.10.2
>>
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