Switch to spi-gpio driver to avoid unstable signal issue with EVT HW Signed-off-by: Potin Lai <potin.lai@xxxxxxxxxxxx> --- arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts index b01f1e7adb81..3c54e4a892c9 100644 --- a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts @@ -227,8 +227,16 @@ &spi2 { status = "okay"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_spi2_default>; + + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>; + gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>; + num-chipselects = <1>; + cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>; flash@0 { status = "okay"; -- 2.17.1