On Wed, Dec 28, 2016 at 07:34:53PM +0900, Jaehoon Chung wrote:
> According to using PHY framework, modified the exynos5440-pcie binding.
> And use "config" property to follow the designware-pcie binding.
You are breaking compatibility here. Please state that and why it is
okay to do so.
>
> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> ---
> .../bindings/pci/samsung,exynos5440-pcie.txt | 29 +++++++++++++---------
> 1 file changed, 17 insertions(+), 12 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt b/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
> index 4f9d23d..51f6214 100644
> --- a/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
> @@ -5,10 +5,15 @@ and thus inherits all the common properties defined in designware-pcie.txt.
>
> Required properties:
> - compatible: "samsung,exynos5440-pcie"
> -- reg: base addresses and lengths of the pcie controller,
> - the phy controller, additional register for the phy controller.
> +- reg: base addresses and lengths of the pcie controller
> - interrupts: A list of interrupt outputs for level interrupt,
> pulse interrupt, special interrupt.
> +- phys: From PHY binding. Phandle for the Generic PHY.
> + Refer to Documentation/devicetree/bindings/phy/samsung-phy.txt
> +- phy-names: Must be "pcie-phy".
-names is pointless for a single element.
> +
> +Other common properties refer to
> + Documentation/devicetree/binding/pci/designware-pcie.txt
>
> Example:
>
> @@ -16,18 +21,18 @@ SoC specific DT Entry:
>
> pcie@290000 {
> compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
> - reg = <0x290000 0x1000
> - 0x270000 0x1000
> - 0x271000 0x40>;
> + reg = <0x290000 0x1000>, <0x40000000 0x100>;
256 bytes of config space?
> + reg-names = "elbi", "config";
> interrupts = <0 20 0>, <0 21 0>, <0 22 0>;
> clocks = <&clock 28>, <&clock 27>;
> clock-names = "pcie", "pcie_bus";
> #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 */
> + ranges = <0x81000000 0 0 0x40001000 0 0x00010000 /* downstream I/O */
> 0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>; /* non-prefetchable memory */
> + phys = <&pcie_phy0>;
> + phy-names = "pcie-phy";
> #interrupt-cells = <1>;
> interrupt-map-mask = <0 0 0 0>;
> interrupt-map = <0 0 0 0 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
> @@ -36,17 +41,17 @@ SoC specific DT Entry:
>
> 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 = <0 23 0>, <0 24 0>, <0 25 0>;
> clocks = <&clock 29>, <&clock 27>;
> clock-names = "pcie", "pcie_bus";
> #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 */
> + phys = <&pcie_phy1>;
> + phy-names = "pcie-phy";
> + ranges = <0x81000000 0 0 0x60001000 0 0x00010000 /* downstream I/O */
> 0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>; /* non-prefetchable memory */
> #interrupt-cells = <1>;
> interrupt-map-mask = <0 0 0 0>;
> --
> 2.10.2
>
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