ARM: palmtreo: add docg4 device initialization

This patch adds initialization of the docg4 nand flash device to the treo680.

Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Tomas Cech <sleep_walker@suse.cz>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

1 files changed, 31 insertions, 0 deletions

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
@@ -396,6 +396,36 @@ 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
  ******************************************************************************/
 static void __init treo_reserve(void)
@@ -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