ARM: dts: mmp3-dell-ariel: Fix the SPI devices
authorLubomir Rintel <lkundrak@v3.sk>
Sun, 19 Apr 2020 17:11:57 +0000 (19:11 +0200)
committerArnd Bergmann <arnd@arndb.de>
Thu, 21 May 2020 21:34:23 +0000 (23:34 +0200)
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.

Link: https://lore.kernel.org/r/20200419171157.672999-16-lkundrak@v3.sk
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
arch/arm/boot/dts/mmp3-dell-ariel.dts

index 15449c7..b0ec14c 100644 (file)
        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";
 };