* [PATCH 2/3] usb: ohci: Add generic platform driver
2014-12-14 11:55 [PATCH 1/3] usb: ohci: Clear control register at driver startup Alexander Shiyan
@ 2014-12-14 11:55 ` Alexander Shiyan
2014-12-14 11:55 ` [PATCH 3/3] usb: Replace AT91 OHCI driver with platform OHCI driver Alexander Shiyan
2014-12-18 8:42 ` [PATCH 1/3] usb: ohci: Clear control register at driver startup Alexander Shiyan
2 siblings, 0 replies; 4+ messages in thread
From: Alexander Shiyan @ 2014-12-14 11:55 UTC (permalink / raw)
To: barebox
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
drivers/usb/host/Kconfig | 3 +++
drivers/usb/host/Makefile | 1 +
drivers/usb/host/ohci-platform.c | 57 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 61 insertions(+)
create mode 100644 drivers/usb/host/ohci-platform.c
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 12a090c..91af3cd 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -22,6 +22,9 @@ config USB_OHCI_AT91
depends on ARCH_AT91
bool "AT91 OHCI driver"
+config USB_OHCI_PLATFORM
+ bool "Platform OHCI driver"
+
endif
config USB_XHCI
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 0478d34..1b5319d 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -3,5 +3,6 @@ obj-$(CONFIG_USB_EHCI_OMAP) += ehci-omap.o
obj-$(CONFIG_USB_EHCI_ATMEL) += ehci-atmel.o
obj-$(CONFIG_USB_OHCI) += ohci-hcd.o
obj-$(CONFIG_USB_OHCI_AT91) += ohci-at91.o
+obj-$(CONFIG_USB_OHCI_PLATFORM) += ohci-platform.o
obj-$(CONFIG_USB_XHCI) += xhci-hcd.o xhci-hub.o
obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
new file mode 100644
index 0000000..4c97330
--- /dev/null
+++ b/drivers/usb/host/ohci-platform.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
+ *
+ * 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 <common.h>
+#include <driver.h>
+#include <errno.h>
+#include <init.h>
+#include <io.h>
+#include <linux/clk.h>
+
+struct ohci_platform_data {
+ int (*probe)(struct device_d *, struct resource *);
+};
+
+static struct platform_device_id ohci_platform_ids[] = {
+ { }
+};
+
+static int ohci_platform_probe(struct device_d *dev)
+{
+ struct ohci_platform_data *data;
+ struct resource *res;
+ int ret;
+
+ ret = dev_get_drvdata(dev, (unsigned long *)&data);
+ if (ret)
+ return ret;
+
+ res = dev_get_resource(dev, IORESOURCE_MEM, 0);
+ if (IS_ERR(res))
+ return PTR_ERR(res);
+
+ dev->priv = data;
+
+ if (data->probe) {
+ ret = data->probe(dev, res);
+ if (ret)
+ return ret;
+ }
+
+ add_generic_device_res("ohci", DEVICE_ID_SINGLE, res, 1, NULL);
+
+ return 0;
+}
+
+static struct driver_d ohci_platform_driver = {
+ .name = "ohci-platform",
+ .id_table = ohci_platform_ids,
+ .probe = ohci_platform_probe,
+};
+device_platform_driver(ohci_platform_driver);
--
2.0.4
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^ permalink raw reply [flat|nested] 4+ messages in thread* [PATCH 3/3] usb: Replace AT91 OHCI driver with platform OHCI driver
2014-12-14 11:55 [PATCH 1/3] usb: ohci: Clear control register at driver startup Alexander Shiyan
2014-12-14 11:55 ` [PATCH 2/3] usb: ohci: Add generic platform driver Alexander Shiyan
@ 2014-12-14 11:55 ` Alexander Shiyan
2014-12-18 8:42 ` [PATCH 1/3] usb: ohci: Clear control register at driver startup Alexander Shiyan
2 siblings, 0 replies; 4+ messages in thread
From: Alexander Shiyan @ 2014-12-14 11:55 UTC (permalink / raw)
To: barebox
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
arch/arm/boards/pm9g45/init.c | 2 +-
arch/arm/configs/animeo_ip_defconfig | 2 +-
arch/arm/configs/dss11_defconfig | 2 +-
arch/arm/configs/pm9g45_defconfig | 2 +-
drivers/usb/host/Kconfig | 9 +---
drivers/usb/host/Makefile | 1 -
drivers/usb/host/ohci-at91.c | 81 ------------------------------------
drivers/usb/host/ohci-platform.c | 27 ++++++++++++
8 files changed, 32 insertions(+), 94 deletions(-)
delete mode 100644 drivers/usb/host/ohci-at91.c
diff --git a/arch/arm/boards/pm9g45/init.c b/arch/arm/boards/pm9g45/init.c
index 1e43be5..a787730 100644
--- a/arch/arm/boards/pm9g45/init.c
+++ b/arch/arm/boards/pm9g45/init.c
@@ -99,7 +99,7 @@ static void pm9g45_add_device_mci(void) {}
/*
* USB OHCI Host port
*/
-#ifdef CONFIG_USB_OHCI_AT91
+#ifdef CONFIG_USB_OHCI_PLATFORM
static struct at91_usbh_data __initdata usbh_data = {
.ports = 2,
.vbus_pin = { AT91_PIN_PD0, -EINVAL },
diff --git a/arch/arm/configs/animeo_ip_defconfig b/arch/arm/configs/animeo_ip_defconfig
index 825c5e4..4f5e959 100644
--- a/arch/arm/configs/animeo_ip_defconfig
+++ b/arch/arm/configs/animeo_ip_defconfig
@@ -68,7 +68,7 @@ CONFIG_NAND_ATMEL=y
CONFIG_UBI=y
CONFIG_USB_HOST=y
CONFIG_USB_OHCI=y
-CONFIG_USB_OHCI_AT91=y
+CONFIG_USB_OHCI_PLATFORM=y
CONFIG_MCI=y
CONFIG_MCI_STARTUP=y
CONFIG_MCI_ATMEL=y
diff --git a/arch/arm/configs/dss11_defconfig b/arch/arm/configs/dss11_defconfig
index f15fb6b..ddf7acf 100644
--- a/arch/arm/configs/dss11_defconfig
+++ b/arch/arm/configs/dss11_defconfig
@@ -33,7 +33,7 @@ CONFIG_UBI=y
CONFIG_DISK_WRITE=y
CONFIG_USB_HOST=y
CONFIG_USB_OHCI=y
-CONFIG_USB_OHCI_AT91=y
+CONFIG_USB_OHCI_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_MCI=y
CONFIG_MCI_STARTUP=y
diff --git a/arch/arm/configs/pm9g45_defconfig b/arch/arm/configs/pm9g45_defconfig
index d3a5624..7661644 100644
--- a/arch/arm/configs/pm9g45_defconfig
+++ b/arch/arm/configs/pm9g45_defconfig
@@ -52,7 +52,7 @@ CONFIG_UBI=y
CONFIG_DISK_ATA=y
CONFIG_USB_HOST=y
CONFIG_USB_OHCI=y
-CONFIG_USB_OHCI_AT91=y
+CONFIG_USB_OHCI_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_MCI=y
CONFIG_MCI_ATMEL=y
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 91af3cd..d4469f2 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -16,16 +16,9 @@ config USB_OHCI
bool "OHCI driver"
depends on !MMU
-if USB_OHCI
-
-config USB_OHCI_AT91
- depends on ARCH_AT91
- bool "AT91 OHCI driver"
-
config USB_OHCI_PLATFORM
bool "Platform OHCI driver"
-
-endif
+ depends on USB_OHCI
config USB_XHCI
bool "xHCI driver"
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 1b5319d..cf30655 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -2,7 +2,6 @@ obj-$(CONFIG_USB_EHCI) += ehci-hcd.o
obj-$(CONFIG_USB_EHCI_OMAP) += ehci-omap.o
obj-$(CONFIG_USB_EHCI_ATMEL) += ehci-atmel.o
obj-$(CONFIG_USB_OHCI) += ohci-hcd.o
-obj-$(CONFIG_USB_OHCI_AT91) += ohci-at91.o
obj-$(CONFIG_USB_OHCI_PLATFORM) += ohci-platform.o
obj-$(CONFIG_USB_XHCI) += xhci-hcd.o xhci-hub.o
obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
deleted file mode 100644
index 0a6e5ca..0000000
--- a/drivers/usb/host/ohci-at91.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * (C) Copyright 2010 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <common.h>
-#include <linux/clk.h>
-#include <driver.h>
-#include <init.h>
-#include <usb/usb.h>
-#include <usb/usb_defs.h>
-#include <errno.h>
-#include <io.h>
-
-#include "ohci.h"
-
-/* interface and function clocks; sometimes also an AHB clock */
-static struct clk *iclk, *fclk;
-
-static void at91_start_clock(void)
-{
- clk_enable(iclk);
- clk_enable(fclk);
-}
-
-static void at91_stop_clock(void)
-{
- clk_disable(fclk);
- clk_disable(iclk);
-}
-
-static int at91_ohci_probe(struct device_d *dev)
-{
- iclk = clk_get(NULL, "ohci_clk");
- fclk = clk_get(NULL, "uhpck");
-
- /*
- * Start the USB clocks.
- */
- at91_start_clock();
-
- add_generic_device("ohci", DEVICE_ID_DYNAMIC, NULL, dev->resource[0].start,
- resource_size(&dev->resource[0]), IORESOURCE_MEM, NULL);
-
- return 0;
-}
-
-static void at91_ohci_remove(struct device_d *dev)
-{
- struct ohci_regs __iomem *regs = (struct ohci_regs __iomem *)dev->resource[0].start;
-
- /*
- * Put the USB host controller into reset.
- */
- writel(0, ®s->control);
-
- /*
- * Stop the USB clocks.
- */
- at91_stop_clock();
-}
-
-static struct driver_d at91_ohci_driver = {
- .name = "at91_ohci",
- .probe = at91_ohci_probe,
- .remove = at91_ohci_remove,
-};
-device_platform_driver(at91_ohci_driver);
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 4c97330..5765373 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -18,7 +18,34 @@ struct ohci_platform_data {
int (*probe)(struct device_d *, struct resource *);
};
+static int at91_ohci_probe(struct device_d *dev, struct resource *res)
+{
+ struct clk *iclk, *fclk;
+
+ iclk = clk_get(NULL, "ohci_clk");
+ if (IS_ERR(iclk))
+ return PTR_ERR(iclk);
+
+ fclk = clk_get(NULL, "uhpck");
+ if (IS_ERR(fclk))
+ return PTR_ERR(fclk);
+
+ /* Start the USB clocks */
+ clk_enable(iclk);
+ clk_enable(fclk);
+
+ return 0;
+}
+
+static struct ohci_platform_data at91_ohci_data = {
+ .probe = at91_ohci_probe,
+};
+
static struct platform_device_id ohci_platform_ids[] = {
+ {
+ .name = "at91_ohci",
+ .driver_data = (unsigned long)&at91_ohci_data,
+ },
{ }
};
--
2.0.4
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^ permalink raw reply [flat|nested] 4+ messages in thread