ARM: SAMSUNG: Add device definition for HSMMC3

This patch adds hsmmc3 device definition in plat-samsung. Because now
S5PV210 can support 4 hsmmc such as hsmmc0, hsmmc1, hsmmc2 and hsmmc3
and that can be used in further Samsung SoCs.

Signed-off-by: Hyuk Lee <hyuk1.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

5 files changed, 81 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 12c647cc46ea..15ef1e4026cf 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -160,6 +160,11 @@ config S3C_DEV_HSMMC2
         help
           Compile in platform device definitions for HSMMC channel 2
 
+config S3C_DEV_HSMMC3
+        bool
+        help
+          Compile in platform device definitions for HSMMC channel 3
+
 config S3C_DEV_HWMON
         bool
         help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index e7a975511b7c..75b91b43db49 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -35,6 +35,7 @@ obj-y				+= platformdata.o
 obj-$(CONFIG_S3C_DEV_HSMMC)     += dev-hsmmc.o
 obj-$(CONFIG_S3C_DEV_HSMMC1)    += dev-hsmmc1.o
 obj-$(CONFIG_S3C_DEV_HSMMC2)    += dev-hsmmc2.o
+obj-$(CONFIG_S3C_DEV_HSMMC3)    += dev-hsmmc3.o
 obj-$(CONFIG_S3C_DEV_HWMON)     += dev-hwmon.o
 obj-y                           += dev-i2c0.o
 obj-$(CONFIG_S3C_DEV_I2C1)      += dev-i2c1.o
diff --git a/arch/arm/plat-samsung/dev-hsmmc3.c b/arch/arm/plat-samsung/dev-hsmmc3.c
new file mode 100644
index 000000000000..57bd394123cd
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-hsmmc3.c
@@ -0,0 +1,72 @@
+/* linux/arch/arm/plat-samsung/dev-hsmmc3.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Based on arch/arm/plat-samsung/dev-hsmmc1.c
+ *
+ * Samsung device definition for hsmmc device 3
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mmc/host.h>
+
+#include <mach/map.h>
+#include <plat/sdhci.h>
+#include <plat/devs.h>
+
+#define S3C_SZ_HSMMC    (0x1000)
+
+static struct resource s3c_hsmmc3_resource[] = {
+        [0] = {
+                .start  = S3C_PA_HSMMC3,
+                .end    = S3C_PA_HSMMC3 + S3C_SZ_HSMMC - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_MMC3,
+                .end    = IRQ_MMC3,
+                .flags  = IORESOURCE_IRQ,
+        }
+};
+
+static u64 s3c_device_hsmmc3_dmamask = 0xffffffffUL;
+
+struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata = {
+        .max_width      = 4,
+        .host_caps      = (MMC_CAP_4_BIT_DATA |
+                           MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+};
+
+struct platform_device s3c_device_hsmmc3 = {
+        .name           = "s3c-sdhci",
+        .id             = 3,
+        .num_resources  = ARRAY_SIZE(s3c_hsmmc3_resource),
+        .resource       = s3c_hsmmc3_resource,
+        .dev            = {
+                .dma_mask               = &s3c_device_hsmmc3_dmamask,
+                .coherent_dma_mask      = 0xffffffffUL,
+                .platform_data          = &s3c_hsmmc3_def_platdata,
+        },
+};
+
+void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd)
+{
+        struct s3c_sdhci_platdata *set = &s3c_hsmmc3_def_platdata;
+
+        set->max_width = pd->max_width;
+
+        if (pd->cfg_gpio)
+                set->cfg_gpio = pd->cfg_gpio;
+        if (pd->cfg_card)
+                set->cfg_card = pd->cfg_card;
+}
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 4a661304e27f..097d0e458ab9 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -54,6 +54,7 @@ extern struct platform_device s3c_device_hwmon;
 extern struct platform_device s3c_device_hsmmc0;
 extern struct platform_device s3c_device_hsmmc1;
 extern struct platform_device s3c_device_hsmmc2;
+extern struct platform_device s3c_device_hsmmc3;
 extern struct platform_device s3c_device_cfcon;
 
 extern struct platform_device s3c_device_spi0;
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index 016674fa20dd..3994a875473b 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -58,6 +58,7 @@ struct s3c_sdhci_platdata {
 extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
 extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
 extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
+extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd);
 
 /* Default platform data, exported so that per-cpu initialisation can
  * set the correct one when there are more than one cpu type selected.
@@ -66,6 +67,7 @@ extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
 extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
 extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
 extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;
+extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata;
 
 /* Helper function availablity */