I've managed to get about everything wrong while digging these out of OEM's board file.
Correct the bus numbers, the exact model of the NOR flash, polarity of the chip selects and align the SPI frequency with the data sheet.
Tested that it works now, with a slight fix to the PXA SSP driver.
Signed-off-by: Lubomir Rintel lkundrak@v3.sk Cc: stable@vger.kernel.org --- arch/arm/boot/dts/mmp3-dell-ariel.dts | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/boot/dts/mmp3-dell-ariel.dts b/arch/arm/boot/dts/mmp3-dell-ariel.dts index 15449c72c042b..b0ec14c421641 100644 --- a/arch/arm/boot/dts/mmp3-dell-ariel.dts +++ b/arch/arm/boot/dts/mmp3-dell-ariel.dts @@ -98,19 +98,19 @@ &twsi4 { status = "okay"; };
-&ssp3 { +&ssp1 { status = "okay"; - cs-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>; + cs-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
firmware-flash@0 { - compatible = "st,m25p80", "jedec,spi-nor"; + compatible = "winbond,w25q32", "jedec,spi-nor"; reg = <0>; - spi-max-frequency = <40000000>; + spi-max-frequency = <104000000>; m25p,fast-read; }; };
-&ssp4 { - cs-gpios = <&gpio 56 GPIO_ACTIVE_HIGH>; +&ssp2 { + cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>; status = "okay"; };