ARM: davinci: dm644x-evm: use aemif platform driver
authorBartosz Golaszewski <bgolaszewski@baylibre.com>
Thu, 28 Jun 2018 09:57:44 +0000 (11:57 +0200)
committerSekhar Nori <nsekhar@ti.com>
Tue, 10 Jul 2018 10:09:27 +0000 (15:39 +0530)
We now support board files in the aemif driver. Register a platform
device instead of using the handcrafted API in dm644x-evm.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
arch/arm/mach-davinci/board-dm644x-evm.c

index 738e443..e4a8f92 100644 (file)
@@ -42,6 +42,7 @@
 #include <linux/platform_data/mmc-davinci.h>
 #include <linux/platform_data/usb-davinci.h>
 #include <linux/platform_data/mtd-davinci-aemif.h>
+#include <linux/platform_data/ti-aemif.h>
 
 #include "davinci.h"
 
@@ -174,14 +175,47 @@ static struct resource davinci_evm_nandflash_resource[] = {
        },
 };
 
-static struct platform_device davinci_evm_nandflash_device = {
-       .name           = "davinci_nand",
-       .id             = 0,
-       .dev            = {
-               .platform_data  = &davinci_evm_nandflash_data,
+static struct resource davinci_evm_aemif_resource[] = {
+       {
+               .start          = DM644X_ASYNC_EMIF_CONTROL_BASE,
+               .end            = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+               .flags          = IORESOURCE_MEM,
        },
-       .num_resources  = ARRAY_SIZE(davinci_evm_nandflash_resource),
-       .resource       = davinci_evm_nandflash_resource,
+};
+
+static struct aemif_abus_data davinci_evm_aemif_abus_data[] = {
+       {
+               .cs             = 1,
+       },
+};
+
+static struct platform_device davinci_evm_nandflash_devices[] = {
+       {
+               .name           = "davinci_nand",
+               .id             = 0,
+               .dev            = {
+                       .platform_data  = &davinci_evm_nandflash_data,
+               },
+               .num_resources  = ARRAY_SIZE(davinci_evm_nandflash_resource),
+               .resource       = davinci_evm_nandflash_resource,
+       },
+};
+
+static struct aemif_platform_data davinci_evm_aemif_pdata = {
+       .abus_data = davinci_evm_aemif_abus_data,
+       .num_abus_data = ARRAY_SIZE(davinci_evm_aemif_abus_data),
+       .sub_devices = davinci_evm_nandflash_devices,
+       .num_sub_devices = ARRAY_SIZE(davinci_evm_nandflash_devices),
+};
+
+static struct platform_device davinci_evm_aemif_device = {
+       .name                   = "ti-aemif",
+       .id                     = -1,
+       .dev = {
+               .platform_data  = &davinci_evm_aemif_pdata,
+       },
+       .resource               = davinci_evm_aemif_resource,
+       .num_resources          = ARRAY_SIZE(davinci_evm_aemif_resource),
 };
 
 static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
@@ -795,12 +829,7 @@ static __init void davinci_evm_init(void)
 
                /* only one device will be jumpered and detected */
                if (HAS_NAND) {
-                       platform_device_register(&davinci_evm_nandflash_device);
-
-                       if (davinci_aemif_setup(&davinci_evm_nandflash_device))
-                               pr_warn("%s: Cannot configure AEMIF\n",
-                                       __func__);
-
+                       platform_device_register(&davinci_evm_aemif_device);
 #ifdef CONFIG_I2C
                        evm_leds[7].default_trigger = "nand-disk";
 #endif