ARM: dts: am43x-epos-evm: Disable QSPI to prevent conflict with GPMC-NAND
authorRoger Quadros <[email protected]>
Tue, 2 Sep 2014 13:57:07 +0000 (16:57 +0300)
committerTony Lindgren <[email protected]>
Thu, 4 Sep 2014 19:39:29 +0000 (12:39 -0700)
Both QSPI and GPMC-NAND share the same Pin (A8) from the SoC for Chip Select
functionality. So both can't be enabled simultaneously.

Disable QSPI node to prevent the pin conflict as well as
be similar to 3.12 release.

CC: Sourav Poddar <[email protected]>
Signed-off-by: Roger Quadros <[email protected]>
Reviewed-by: Pekon Gupta <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
arch/arm/boot/dts/am43x-epos-evm.dts

index b489b278f18438017d3f985071263117456d2eb8..ac3e4859935f1ad31da67107eda970eec6f526ba 100644 (file)
 };
 
 &gpmc {
-       status = "okay";
+       status = "okay";        /* Disable QSPI when enabling GPMC (NAND) */
        pinctrl-names = "default";
        pinctrl-0 = <&nand_flash_x8>;
        ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
 };
 
 &qspi {
-       status = "okay";
+       status = "disabled";    /* Disable GPMC (NAND) when enabling QSPI */
        pinctrl-names = "default";
        pinctrl-0 = <&qspi1_default>;