[PATCH 1/2] ARM: dts: imx6sx: Fix PCIE support

[Igor Grinberg]

Hi Fabio,

On 06/08/2016 03:10 AM, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam at nxp.com>
> 
> Adjust the PCIE node in order to get it working with a mainline
> kernel.

The changes in the patch, do not look too self explanatory...
Can you please provide more details on what and why this should be done?

Thanks!

> 
> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
> ---
>  arch/arm/boot/dts/imx6sx.dtsi | 28 ++++++++++++++++------------
>  1 file changed, 16 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
> index 6a993bfda..6ffcc94 100644
> --- a/arch/arm/boot/dts/imx6sx.dtsi
> +++ b/arch/arm/boot/dts/imx6sx.dtsi
> @@ -1252,24 +1252,28 @@
>  
>  		pcie: pcie at 0x08000000 {
>  			compatible = "fsl,imx6sx-pcie", "snps,dw-pcie";
> -			reg = <0x08ffc000 0x4000>; /* DBI */
> +			reg = <0x08ffc000 0x4000>, <0x08f00000 0x80000>;
> +			reg-names = "dbi", "config";
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -				  /* configuration space */
> -			ranges = <0x00000800 0 0x08f00000 0x08f00000 0 0x00080000
> -				  /* downstream I/O */
> -				  0x81000000 0 0          0x08f80000 0 0x00010000
> -				  /* non-prefetchable memory */
> -				  0x82000000 0 0x08000000 0x08000000 0 0x00f00000>;
> +			ranges = <0x81000000 0 0          0x08f80000 0 0x00010000 /* downstream I/O */
> +				  0x82000000 0 0x08000000 0x08000000 0 0x00f00000>; /* non-prefetchable memory */
>  			num-lanes = <1>;
> -			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clks IMX6SX_CLK_PCIE_REF_125M>,
> -				 <&clks IMX6SX_CLK_PCIE_AXI>,
> +			interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "msi";
> +			#interrupt-cells = <1>;
> +			interrupt-map-mask = <0 0 0 0x7>;
> +			interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> +					<0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
> +					<0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
> +					<0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clks IMX6SX_CLK_PCIE_AXI>,
>  				 <&clks IMX6SX_CLK_LVDS1_OUT>,
> +				 <&clks IMX6SX_CLK_PCIE_REF_125M>,
>  				 <&clks IMX6SX_CLK_DISPLAY_AXI>;
> -			clock-names = "pcie_ref_125m", "pcie_axi",
> -				      "lvds_gate", "display_axi";
> +			clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_inbound_axi";
> +			pcie-phy-supply = <&reg_pcie>;
>  			status = "disabled";
>  		};
>  	};
> 

-- 
Regards,
Igor.