mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
705b5bf9bb
Change pr_* to dev_ or log_ macro and define LOG_CATEGORY. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
49 lines
1001 B
C
49 lines
1001 B
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
|
|
/*
|
|
* STMicroelectronics STUSB Type-C controller driver
|
|
* based on Linux drivers/usb/typec/stusb160x.c
|
|
*
|
|
* Copyright (C) 2020, STMicroelectronics - All Rights Reserved
|
|
*/
|
|
|
|
#define LOG_CATEGORY UCLASS_I2C_GENERIC
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <i2c.h>
|
|
|
|
/* REGISTER */
|
|
#define STUSB160X_CC_CONNECTION_STATUS 0x0E
|
|
|
|
/* STUSB160X_CC_CONNECTION_STATUS bitfields */
|
|
#define STUSB160X_CC_ATTACH BIT(0)
|
|
|
|
int stusb160x_cable_connected(void)
|
|
{
|
|
struct udevice *dev;
|
|
int ret;
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_I2C_GENERIC,
|
|
DM_DRIVER_GET(stusb160x),
|
|
&dev);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = dm_i2c_reg_read(dev, STUSB160X_CC_CONNECTION_STATUS);
|
|
if (ret < 0)
|
|
return 0;
|
|
|
|
return ret & STUSB160X_CC_ATTACH;
|
|
}
|
|
|
|
static const struct udevice_id stusb160x_ids[] = {
|
|
{ .compatible = "st,stusb1600" },
|
|
{}
|
|
};
|
|
|
|
U_BOOT_DRIVER(stusb160x) = {
|
|
.name = "stusb160x",
|
|
.id = UCLASS_I2C_GENERIC,
|
|
.of_match = stusb160x_ids,
|
|
};
|