ARM: S5P: Add usb ehci device

This patch adds usb ehci device definition for samsung s5p cpus.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

6 files changed, 82 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index 6330b73b9ea7..213c2a27d7ca 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -101,6 +101,8 @@
 
 #define EXYNOS4_PA_SROMC                0x12570000
 
+#define EXYNOS4_PA_EHCI                 0x12580000
+
 #define EXYNOS4_PA_UART                 0x13800000
 
 #define EXYNOS4_PA_IIC(x)               (0x13860000 + ((x) * 0x10000))
@@ -143,6 +145,7 @@
 #define S5P_PA_SROMC                    EXYNOS4_PA_SROMC
 #define S5P_PA_SYSCON                   EXYNOS4_PA_SYSCON
 #define S5P_PA_TIMER                    EXYNOS4_PA_TIMER
+#define S5P_PA_EHCI                     EXYNOS4_PA_EHCI
 
 #define SAMSUNG_PA_KEYPAD               EXYNOS4_PA_KEYPAD
 
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 849229716586..6751bcf7b888 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -85,6 +85,11 @@ config S5P_DEV_CSIS1
         help
           Compile in platform device definitions for MIPI-CSIS channel 1
 
+config S5P_DEV_USB_EHCI
+        bool
+        help
+          Compile in platform device definition for USB EHCI
+
 config S5P_SETUP_MIPIPHY
         bool
         help
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index 42afff7f60be..e234cc4d49a0 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -33,4 +33,5 @@ obj-$(CONFIG_S5P_DEV_FIMC3)	+= dev-fimc3.o
 obj-$(CONFIG_S5P_DEV_ONENAND)   += dev-onenand.o
 obj-$(CONFIG_S5P_DEV_CSIS0)     += dev-csis0.o
 obj-$(CONFIG_S5P_DEV_CSIS1)     += dev-csis1.o
+obj-$(CONFIG_S5P_DEV_USB_EHCI)  += dev-ehci.o
 obj-$(CONFIG_S5P_SETUP_MIPIPHY) += setup-mipiphy.o
diff --git a/arch/arm/plat-s5p/dev-ehci.c b/arch/arm/plat-s5p/dev-ehci.c
new file mode 100644
index 000000000000..a610e5c60964
--- /dev/null
+++ b/arch/arm/plat-s5p/dev-ehci.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <mach/irqs.h>
+#include <mach/map.h>
+#include <plat/devs.h>
+#include <plat/ehci.h>
+#include <plat/usb-phy.h>
+
+/* USB EHCI Host Controller registration */
+static struct resource s5p_ehci_resource[] = {
+        [0] = {
+                .start  = S5P_PA_EHCI,
+                .end    = S5P_PA_EHCI + SZ_256 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_USB_HOST,
+                .end    = IRQ_USB_HOST,
+                .flags  = IORESOURCE_IRQ,
+        }
+};
+
+static u64 s5p_device_ehci_dmamask = 0xffffffffUL;
+
+struct platform_device s5p_device_ehci = {
+        .name           = "s5p-ehci",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(s5p_ehci_resource),
+        .resource       = s5p_ehci_resource,
+        .dev            = {
+                .dma_mask = &s5p_device_ehci_dmamask,
+                .coherent_dma_mask = 0xffffffffUL
+        }
+};
+
+void __init s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd)
+{
+        s3c_set_platdata(pd, sizeof(struct s5p_ehci_platdata),
+                        &s5p_device_ehci);
+}
diff --git a/arch/arm/plat-s5p/include/plat/ehci.h b/arch/arm/plat-s5p/include/plat/ehci.h
new file mode 100644
index 000000000000..6ae6810c7569
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/ehci.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __PLAT_S5P_EHCI_H
+#define __PLAT_S5P_EHCI_H
+
+struct s5p_ehci_platdata {
+        int (*phy_init)(struct platform_device *pdev, int type);
+        int (*phy_exit)(struct platform_device *pdev, int type);
+};
+
+extern void s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd);
+
+#endif /* __PLAT_S5P_EHCI_H */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index f0da6b70fba4..3f38debbb108 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -142,6 +142,8 @@ extern struct platform_device s5p_device_fimc3;
 extern struct platform_device s5p_device_mipi_csis0;
 extern struct platform_device s5p_device_mipi_csis1;
 
+extern struct platform_device s5p_device_ehci;
+
 extern struct platform_device exynos4_device_sysmmu;
 
 /* s3c2440 specific devices */