[PATCH 6/9] ARM: imx: Add serial number support for i.MX6ULZ

[Anson Huang]

i.MX6ULZ has a 64-bit SoC unique ID stored in OCOTP, it can be used
as SoC serial number, see below example:

root@imx6ul7d:~# cat /sys/devices/soc0/serial_number
8797AEF098CAB901

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
 arch/arm/mach-imx/cpu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 1e8150e..1274b52 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -150,6 +150,7 @@ struct device * __init imx_soc_device_init(void)
 		soc_id = "i.MX6ULL";
 		break;
 	case MXC_CPU_IMX6ULZ:
+		ocotp_compat = "fsl,imx6ul-ocotp";
 		soc_id = "i.MX6ULZ";
 		break;
 	case MXC_CPU_IMX6SLL:
-- 
2.7.4