[PATCH 05/10] MXS: Add platform registration hooks for USB EHCI
Marek Vasut
marex at denx.de
Wed Apr 18 13:46:29 EDT 2012
Based on code by:
Tony Lin <tony.lin at freescale.com>
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Chen Peter-B29397 <B29397 at freescale.com>
Cc: Detlev Zundel <dzu at denx.de>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Li Frank-B20596 <B20596 at freescale.com>
Cc: Lin Tony-B19295 <B19295 at freescale.com>
Cc: Linux USB <linux-usb at vger.kernel.org>
Cc: Sascha Hauer <s.hauer at pengutronix.de>
Cc: Shawn Guo <shawn.guo at freescale.com>
Cc: Shawn Guo <shawn.guo at linaro.org>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Subodh Nijsure <snijsure at grid-net.com>
Cc: Tony Lin <tony.lin at freescale.com>
Cc: Wolfgang Denk <wd at denx.de>
---
arch/arm/mach-mxs/devices-mx28.h | 4 ++
arch/arm/mach-mxs/devices/Kconfig | 3 +
arch/arm/mach-mxs/devices/Makefile | 1 +
arch/arm/mach-mxs/devices/platform-usb.c | 78 +++++++++++++++++++++++
arch/arm/mach-mxs/include/mach/devices-common.h | 9 +++
5 files changed, 95 insertions(+)
create mode 100644 arch/arm/mach-mxs/devices/platform-usb.c
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 9dbeae1..f1a76d7 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -47,6 +47,10 @@ extern const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst;
#define mx28_add_mxs_pwm(id) mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id)
+extern const struct mxs_usbh_data mx28_mxs_usbh_data[] __initconst;
+#define mx28_add_mxs_usbh(id) \
+ mxs_add_mxs_usbh(&mx28_mxs_usbh_data[id])
+
struct platform_device *__init mx28_add_mxsfb(
const struct mxsfb_platform_data *pdata);
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index b8913df..f6709bc 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -32,3 +32,6 @@ config MXS_HAVE_PLATFORM_MXS_SAIF
config MXS_HAVE_PLATFORM_RTC_STMP3XXX
bool
+
+config MXS_HAVE_PLATFORM_USB
+ bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index c8f5c95..be4cc9e 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -11,3 +11,4 @@ obj-y += platform-gpio-mxs.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_SAIF) += platform-mxs-saif.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_RTC_STMP3XXX) += platform-rtc-stmp3xxx.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_USB) += platform-usb.o
diff --git a/arch/arm/mach-mxs/devices/platform-usb.c b/arch/arm/mach-mxs/devices/platform-usb.c
new file mode 100644
index 0000000..a76e015
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-usb.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/fsl_devices.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_usbh_data_entry_single(soc, _id, hwid) \
+ { \
+ .id = _id, \
+ .usb_irq = soc ## _INT_USB ## hwid, \
+ .usb_iobase = soc ## _USBCTRL ## hwid ## _BASE_ADDR, \
+ .phy_iobase = soc ## _USBPHY ## hwid ## _BASE_ADDR, \
+ }
+
+#define mxs_usbh_data_entry(soc, _id, hwid) \
+ [_id] = mxs_usbh_data_entry_single(soc, _id, hwid)
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_usbh_data mx23_mxs_usbh_data[] __initconst = {
+ mxs_usbh_data_entry(MX23, 0, 0),
+};
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_usbh_data mx28_mxs_usbh_data[] __initconst = {
+ mxs_usbh_data_entry(MX28, 0, 0),
+ mxs_usbh_data_entry(MX28, 1, 1),
+};
+#endif
+
+void __init mxs_add_mxs_usbh(const struct mxs_usbh_data *data)
+{
+ struct platform_device *pdev;
+ struct resource phy_res[] = {
+ {
+ .start = data->phy_iobase,
+ .end = data->phy_iobase + SZ_256 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ };
+
+ struct resource usb_res[] = {
+ {
+ .start = data->usb_iobase,
+ .end = data->usb_iobase + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->usb_irq,
+ .end = data->usb_irq,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ pdev = mxs_add_platform_device_dmamask("mxs-usb-phy", data->id,
+ phy_res, ARRAY_SIZE(phy_res),
+ NULL, 0,
+ DMA_BIT_MASK(32));
+ if (!pdev)
+ pr_err("Failed to register USB PHY driver!\n");
+
+ pdev = mxs_add_platform_device_dmamask("imx-usb", data->id,
+ usb_res, ARRAY_SIZE(usb_res),
+ NULL, 0,
+ DMA_BIT_MASK(32));
+ if (!pdev)
+ pr_err("Failed to register USB Host driver!\n");
+}
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index f2e3839..9f319b0 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -42,6 +42,15 @@ struct mxs_auart_data {
struct platform_device *__init mxs_add_auart(
const struct mxs_auart_data *data);
+/* usb host */
+struct mxs_usbh_data {
+ int id;
+ resource_size_t usb_irq;
+ resource_size_t usb_iobase;
+ resource_size_t phy_iobase;
+};
+void __init mxs_add_mxs_usbh(const struct mxs_usbh_data *data);
+
/* fec */
#include <linux/fec.h>
struct mxs_fec_data {
--
1.7.9.5
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