USB: NXP ISP1362 USB host driver

Signed-off-by: Lothar Wassmann <LW@KARO-electronics.de>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 46 insertions, 0 deletions

diff --git a/include/linux/usb/isp1362.h b/include/linux/usb/isp1362.h
new file mode 100644
index 000000000000..642684bb9292
--- /dev/null
+++ b/include/linux/usb/isp1362.h
@@ -0,0 +1,46 @@
+/*
+ * board initialization code should put one of these into dev->platform_data
+ * and place the isp1362 onto platform_bus.
+ */
+
+#ifndef __LINUX_USB_ISP1362_H__
+#define __LINUX_USB_ISP1362_H__
+
+struct isp1362_platform_data {
+        /* Enable internal pulldown resistors on downstream ports */
+        unsigned sel15Kres:1;
+        /* Clock cannot be stopped */
+        unsigned clknotstop:1;
+        /* On-chip overcurrent protection */
+        unsigned oc_enable:1;
+        /* INT output polarity */
+        unsigned int_act_high:1;
+        /* INT edge or level triggered */
+        unsigned int_edge_triggered:1;
+        /* DREQ output polarity */
+        unsigned dreq_act_high:1;
+        /* DACK input polarity */
+        unsigned dack_act_high:1;
+        /* chip can be resumed via H_WAKEUP pin */
+        unsigned remote_wakeup_connected:1;
+        /* Switch or not to switch (keep always powered) */
+        unsigned no_power_switching:1;
+        /* Ganged port power switching (0) or individual port power switching (1) */
+        unsigned power_switching_mode:1;
+        /* Given port_power, msec/2 after power on till power good */
+        u8 potpg;
+        /* Hardware reset set/clear */
+        void (*reset) (struct device *dev, int set);
+        /* Clock start/stop */
+        void (*clock) (struct device *dev, int start);
+        /* Inter-io delay (ns). The chip is picky about access timings; it
+         * expects at least:
+         * 110ns delay between consecutive accesses to DATA_REG,
+         * 300ns delay between access to ADDR_REG and DATA_REG (registers)
+         * 462ns delay between access to ADDR_REG and DATA_REG (buffer memory)
+         * WE MUST NOT be activated during these intervals (even without CS!)
+         */
+        void (*delay) (struct device *dev, unsigned int delay);
+};
+
+#endif