diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c
index 3f3c48f2f7ce..515343506821 100644
--- a/arch/arm/mach-pxa/palmtreo.c
+++ b/arch/arm/mach-pxa/palmtreo.c
@@ -395,6 +395,36 @@ static void __init palmtreo_leds_init(void)
 static inline void palmtreo_leds_init(void) {}
 #endif
 
+/******************************************************************************
+ * diskonchip docg4 flash
+ ******************************************************************************/
+#if defined(CONFIG_MACH_TREO680)
+/* REVISIT: does the centro have this device also? */
+#if IS_ENABLED(CONFIG_MTD_NAND_DOCG4)
+static struct resource docg4_resources[] = {
+	{
+		.start	= 0x00000000,
+		.end	= 0x00001FFF,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device treo680_docg4_flash = {
+	.name   = "docg4",
+	.id     = -1,
+	.resource = docg4_resources,
+	.num_resources = ARRAY_SIZE(docg4_resources),
+};
+
+static void __init treo680_docg4_flash_init(void)
+{
+	platform_device_register(&treo680_docg4_flash);
+}
+#else
+static inline void treo680_docg4_flash_init(void) {}
+#endif
+#endif
+
 /******************************************************************************
  * Machine init
  ******************************************************************************/
@@ -430,6 +460,7 @@ static void __init treo680_init(void)
 	palmphone_common_init();
 	palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
 			GPIO_NR_TREO680_SD_POWER, 0);
+	treo680_docg4_flash_init();
 }
 #endif