mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 12:03:39 +00:00
126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Copyright 2021 Linaro, Rui Miguel Silva <rui.silva@linaro.org>
|
||
|
|
*
|
||
|
|
* based on original code from:
|
||
|
|
* (c) 2007 Sebastian Siewior <bigeasy@linutronix.de>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <dm.h>
|
||
|
|
#include <dm/device-internal.h>
|
||
|
|
#include <dm/device_compat.h>
|
||
|
|
#include <dm/devres.h>
|
||
|
|
#include <dm/lists.h>
|
||
|
|
#include <linux/bug.h>
|
||
|
|
#include <linux/io.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/usb/otg.h>
|
||
|
|
#include <log.h>
|
||
|
|
#include <usb.h>
|
||
|
|
|
||
|
|
#include "isp1760-core.h"
|
||
|
|
#include "isp1760-regs.h"
|
||
|
|
#include "isp1760-uboot.h"
|
||
|
|
|
||
|
|
static int isp1760_of_to_plat(struct udevice *dev)
|
||
|
|
{
|
||
|
|
struct isp1760_device *isp = dev_get_plat(dev);
|
||
|
|
unsigned int devflags = 0;
|
||
|
|
u32 bus_width = 0;
|
||
|
|
ofnode dp;
|
||
|
|
|
||
|
|
if (!dev_has_ofnode(dev)) {
|
||
|
|
/* select isp1763 as the default device */
|
||
|
|
devflags = ISP1760_FLAG_ISP1763 | ISP1760_FLAG_BUS_WIDTH_16;
|
||
|
|
pr_err("isp1760: no platform data\n");
|
||
|
|
goto isp_setup;
|
||
|
|
}
|
||
|
|
|
||
|
|
dp = dev_ofnode(dev);
|
||
|
|
|
||
|
|
if (ofnode_device_is_compatible(dp, "nxp,usb-isp1761"))
|
||
|
|
devflags |= ISP1760_FLAG_ISP1761;
|
||
|
|
|
||
|
|
if (ofnode_device_is_compatible(dp, "nxp,usb-isp1763"))
|
||
|
|
devflags |= ISP1760_FLAG_ISP1763;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Some systems wire up only 8 of 16 data lines or
|
||
|
|
* 16 of the 32 data lines
|
||
|
|
*/
|
||
|
|
bus_width = ofnode_read_u32_default(dp, "bus-width", 16);
|
||
|
|
if (bus_width == 16)
|
||
|
|
devflags |= ISP1760_FLAG_BUS_WIDTH_16;
|
||
|
|
else if (bus_width == 8)
|
||
|
|
devflags |= ISP1760_FLAG_BUS_WIDTH_8;
|
||
|
|
|
||
|
|
if (usb_get_dr_mode(dev_ofnode(dev)) == USB_DR_MODE_PERIPHERAL)
|
||
|
|
devflags |= ISP1760_FLAG_PERIPHERAL_EN;
|
||
|
|
|
||
|
|
if (ofnode_read_bool(dp, "analog-oc"))
|
||
|
|
devflags |= ISP1760_FLAG_ANALOG_OC;
|
||
|
|
|
||
|
|
if (ofnode_read_bool(dp, "dack-polarity"))
|
||
|
|
devflags |= ISP1760_FLAG_DACK_POL_HIGH;
|
||
|
|
|
||
|
|
if (ofnode_read_bool(dp, "dreq-polarity"))
|
||
|
|
devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
|
||
|
|
|
||
|
|
isp_setup:
|
||
|
|
isp->devflags = devflags;
|
||
|
|
isp->dev = dev;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isp1760_plat_probe(struct udevice *dev)
|
||
|
|
{
|
||
|
|
struct isp1760_device *isp = dev_get_plat(dev);
|
||
|
|
struct resource mem_res;
|
||
|
|
struct resource irq_res;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
dev_read_resource(dev, 0, &mem_res);
|
||
|
|
dev_read_resource(dev, 1, &irq_res);
|
||
|
|
|
||
|
|
isp1760_init_kmem_once();
|
||
|
|
|
||
|
|
ret = isp1760_register(isp, &mem_res, irq_res.start, irq_res.flags);
|
||
|
|
if (ret < 0) {
|
||
|
|
isp1760_deinit_kmem_cache();
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isp1760_plat_remove(struct udevice *dev)
|
||
|
|
{
|
||
|
|
struct isp1760_device *isp = dev_get_plat(dev);
|
||
|
|
|
||
|
|
isp1760_deinit_kmem_cache();
|
||
|
|
isp1760_unregister(isp);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct udevice_id isp1760_ids[] = {
|
||
|
|
{ .compatible = "nxp,usb-isp1760", },
|
||
|
|
{ .compatible = "nxp,usb-isp1761", },
|
||
|
|
{ .compatible = "nxp,usb-isp1763", },
|
||
|
|
{ },
|
||
|
|
};
|
||
|
|
|
||
|
|
U_BOOT_DRIVER(isp1760) = {
|
||
|
|
.name = "isp1760",
|
||
|
|
.id = UCLASS_USB,
|
||
|
|
.of_match = isp1760_ids,
|
||
|
|
.of_to_plat = isp1760_of_to_plat,
|
||
|
|
.ops = &isp1760_usb_ops,
|
||
|
|
.probe = isp1760_plat_probe,
|
||
|
|
.remove = isp1760_plat_remove,
|
||
|
|
.plat_auto = sizeof(struct isp1760_device),
|
||
|
|
.priv_auto = sizeof(struct isp1760_host_data),
|
||
|
|
};
|