[PATCH 1/4] ARM: S5P: Add usb ehci device
Joonyoung Shim
jy0922.shim at samsung.com
Fri Apr 8 00:22:09 EDT 2011
This patch adds usb ehci device definition for samsung s5p cpus.
Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
arch/arm/mach-exynos4/include/mach/map.h | 3 ++
arch/arm/plat-s5p/Kconfig | 5 +++
arch/arm/plat-s5p/Makefile | 1 +
arch/arm/plat-s5p/dev-ehci.c | 50 +++++++++++++++++++++++++++++
arch/arm/plat-s5p/include/plat/ehci.h | 21 ++++++++++++
arch/arm/plat-samsung/include/plat/devs.h | 2 +
6 files changed, 82 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/plat-s5p/dev-ehci.c
create mode 100644 arch/arm/plat-s5p/include/plat/ehci.h
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index 6330b73..213c2a2 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 8492297..6751bcf 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 42afff7..e234cc4 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 0000000..a610e5c
--- /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 at 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 0000000..6ae6810
--- /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 at 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 f0da6b7..3f38deb 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 */
--
1.7.0.4
More information about the linux-arm-kernel
mailing list