On 01/05/2017 02:58 AM, Krzysztof Kozlowski wrote:
> On Wed, Jan 04, 2017 at 09:34:35PM +0900, Jaehoon Chung wrote:
>> Add phy-pcie node for using Exynos5440 pcie.
>> And use the reg-names as "elbi" and "config".
>
> 'and' is only for joining in compound sentences, don't start with it.
Got it.
>
>> Because the getting configuratioin space address from ranges is old way.
>
> Spell-check please.
Will do.
>
>> It also is helpful to distinguish more clearly.
>
> Distinguish what? Please work on the commit msg, I am not picking
Will update the commit-msg.
>>
>> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
>> ---
>> Changelog on V2:
>> - Removes the child-node
>> - Fixes the typo
>> - Removes the unnecessary comments
>>
>> arch/arm/boot/dts/exynos5440.dtsi | 34 ++++++++++++++++++++++------------
>> 1 file changed, 22 insertions(+), 12 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
>> index 2a2e570..feb074d 100644
>> --- a/arch/arm/boot/dts/exynos5440.dtsi
>> +++ b/arch/arm/boot/dts/exynos5440.dtsi
>> @@ -290,11 +290,22 @@
>> clock-names = "usbhost";
>> };
>>
>> + pcie_phy0: pcie-phy@270000 {
>> + #phy-cells = <0>;
>> + compatible = "samsung,exynos5440-pcie-phy";
>> + reg = <0x270000 0x1000>, <0x271000 0x40>;
>> + };
>> +
>> + pcie_phy1: pcie-phy@272000 {
>> + #phy-cells = <0>;
>> + compatible = "samsung,exynos5440-pcie-phy";
>> + reg = <0x272000 0x1000>, <0x271040 0x40>;
>> + };
>> +
>> pcie_0: pcie@290000 {
>> compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
>> - reg = <0x290000 0x1000
>> - 0x270000 0x1000
>> - 0x271000 0x40>;
>> + reg = <0x290000 0x1000>, <0x40000000 0x1000>;
>> + reg-names = "elbi", "config";
>> interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
>> @@ -303,9 +314,9 @@
>> #address-cells = <3>;
>> #size-cells = <2>;
>> device_type = "pci";
>> - ranges = <0x00000800 0 0x40000000 0x40000000 0 0x00001000 /* configuration space */
>> - 0x81000000 0 0 0x40001000 0 0x00010000 /* downstream I/O */
>> - 0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>; /* non-prefetchable memory */
>> + phys = <&pcie_phy0>;
>> + ranges = <0x81000000 0 0 0x40001000 0 0x00010000
>> + 0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>;
>
> I think the comments were useful. You can leave them.
Ok. will keep.
>
>> #interrupt-cells = <1>;
>> interrupt-map-mask = <0 0 0 0>;
>> interrupt-map = <0x0 0 &gic 53>;
>> @@ -315,9 +326,8 @@
>>
>> pcie_1: pcie@2a0000 {
>> compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
>> - reg = <0x2a0000 0x1000
>> - 0x272000 0x1000
>> - 0x271040 0x40>;
>> + reg = <0x2a0000 0x1000>, <0x60000000 0x1000>;
>> + reg-names = "elbi", "config";
>> interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
>> @@ -326,9 +336,9 @@
>> #address-cells = <3>;
>> #size-cells = <2>;
>> device_type = "pci";
>> - ranges = <0x00000800 0 0x60000000 0x60000000 0 0x00001000 /* configuration space */
>> - 0x81000000 0 0 0x60001000 0 0x00010000 /* downstream I/O */
>> - 0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>; /* non-prefetchable memory */
>> + phys = <&pcie_phy1>;
>> + ranges = <0x81000000 0 0 0x60001000 0 0x00010000
>> + 0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>;
>
> I think the comments were useful. You can leave them.
>
> This looks like depending on the changes in the driver, so I will need a
> tag or stable branch from PCIe maintainers.
Right..
Best Regards,
Jaehoon Chung
>
> Best regards,
> Krzysztof
>
>
>
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