diff options
| author | Philippe Schenker <philippe.schenker@toradex.com> | 2020-11-03 17:43:17 +0100 |
|---|---|---|
| committer | Philippe Schenker <philippe.schenker@toradex.com> | 2020-11-06 13:38:04 +0000 |
| commit | 28311f851f7a8492d96b9f11ccdc51b7aca7a451 (patch) | |
| tree | 814d06c7a0abb41a9400a439271ba9b08b63bbaa /arch | |
| parent | c0b2171a445683113dbbd268ee43bac87782e8d7 (diff) | |
ARM64: dts: apalis-imx8x: add workaround for pcie problem
Currently the PCIe switch on the eval-board is not working. As the
carrier-board reset is controlled by the PCIe driver this reset
never gets deasserted.
This is a workaround until PCIe works properly.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8qxp-apalis.dtsi | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-apalis.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp-apalis.dtsi index 495b910706e9..3577bbea964a 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-apalis.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp-apalis.dtsi @@ -1196,6 +1196,12 @@ "MXM3_77", "MXM3_79", "MXM3_65"; + + reset { + gpio-hog; + gpios = <&lsio_gpio4 1 GPIO_ACTIVE_LOW>; + output-high; + }; }; &lsio_gpio5 { @@ -1235,7 +1241,10 @@ ext_osc = <0>; fsl,max-link-speed = <2>; reserved-region = <&rpmsg_reserved>; - reset-gpio = <&lsio_gpio4 1 GPIO_ACTIVE_LOW>; + /* + * Workaround: Handle reset as a gpio-hog in &lsio_gpio4 + * reset-gpio = <&lsio_gpio4 1 GPIO_ACTIVE_LOW>; + */ vpcie-supply = <®_pcie_switch>; }; |