[U-Boot] [PATCH 1/3] arm: mvebu: mcbin: dts: fix PCIe reset polarity
Stefan Roese
sr at denx.de
Mon Feb 11 08:33:54 UTC 2019
On 03.02.19 14:15, Baruch Siach wrote:
> The PCIe slot PERST signal is active low. Fix the gpio signal
> description in the dts.
>
> This happened to work because the pcie_dw_mvebu driver sets the reset
> gpio level to 1 (high) to release the reset. The following commit will
> fix that.
>
> Signed-off-by: Baruch Siach <baruch at tkos.co.il>
> ---
> arch/arm/dts/armada-8040-mcbin.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/dts/armada-8040-mcbin.dts b/arch/arm/dts/armada-8040-mcbin.dts
> index 7e8e2f707ccf..5a046d9de474 100644
> --- a/arch/arm/dts/armada-8040-mcbin.dts
> +++ b/arch/arm/dts/armada-8040-mcbin.dts
> @@ -132,7 +132,7 @@
> num-lanes = <4>;
> pinctrl-names = "default";
> pinctrl-0 = <&cpm_pcie_reset_pins>;
> - marvell,reset-gpio = <&cpm_gpio1 20 GPIO_ACTIVE_HIGH>; /* GPIO[52] */
> + marvell,reset-gpio = <&cpm_gpio1 20 GPIO_ACTIVE_LOW>; /* GPIO[52] */
> status = "okay";
> };
>
>
Reviewed-by: Stefan Roese <sr at denx.de>
Thanks,
Stefan
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