[PATCH] arm64: dts: marvell: mcbin: Enable PCIe interface

[Ard Biesheuvel]

On 5 July 2017 at 18:16, Russell King - ARM Linux <linux at armlinux.org.uk> wrote:
> On Wed, Jul 05, 2017 at 06:13:33PM +0200, Gregory CLEMENT wrote:
>> Enable the PCIe interface on the MACCHIATOBin board. It is located on
>> CON12 and is 4 lanes capable.
>>
>> Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
>
> Why do you folk at free-electrons like doing half a job all the friggin
> time?
>
> You know I have complete patches for mcbin, but you pointedly won't look
> at them at all - except when you have a problem and want to test my tree.
> And even then, you ignore my work (despite testing that it works), and
> you still recreate my patches.
>
> This is really frustrating and insane behaviour on your part.
>
> Here's what I have:
>
> +&cpm_pcie0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&cpm_pcie_pins>;
> +       num-lanes = <4>;
> +       reset-gpio = <&cpm_gpio1 20 GPIO_ACTIVE_LOW>;
> +       status = "okay";

This needs 'num-viewport = <8>' as well, or the crazy Synopsys DWC
PCIe driver will happily reconfigure the I/O window at runtime to
perform config space accesses, without any locking whatsoever.