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-rw-r--r--drivers/gpio/Kconfig2
-rw-r--r--drivers/gpio/gpio-uclass.c103
-rw-r--r--drivers/net/Kconfig2
-rw-r--r--drivers/pinctrl/mediatek/pinctrl-mtk-common.c2
-rw-r--r--drivers/rtc/Kconfig5
-rw-r--r--drivers/rtc/rx8025.c180
6 files changed, 232 insertions, 62 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 800584f512..7d9c97f537 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -14,7 +14,7 @@ config DM_GPIO
particular GPIOs that they provide. The uclass interface
is defined in include/asm-generic/gpio.h.
-config DM_GPIO_HOG
+config GPIO_HOG
bool "Enable GPIO hog support"
depends on DM_GPIO
default n
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 308d0863ad..01cfa2f788 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -144,7 +144,7 @@ static int gpio_find_and_xlate(struct gpio_desc *desc,
return gpio_xlate_offs_flags(desc->dev, desc, args);
}
-#if defined(CONFIG_DM_GPIO_HOG)
+#if defined(CONFIG_GPIO_HOG)
struct gpio_hog_priv {
struct gpio_desc gpiod;
@@ -181,9 +181,8 @@ static int gpio_hog_ofdata_to_platdata(struct udevice *dev)
return ret;
}
nodename = dev_read_string(dev, "line-name");
- if (!nodename)
- nodename = dev_read_name(dev);
- device_set_name(dev, nodename);
+ if (nodename)
+ device_set_name(dev, nodename);
return 0;
}
@@ -202,9 +201,15 @@ static int gpio_hog_probe(struct udevice *dev)
dev->name);
return ret;
}
- dm_gpio_set_dir(&priv->gpiod);
- if (plat->gpiod_flags == GPIOD_IS_OUT)
- dm_gpio_set_value(&priv->gpiod, plat->value);
+
+ if (plat->gpiod_flags == GPIOD_IS_OUT) {
+ ret = dm_gpio_set_value(&priv->gpiod, plat->value);
+ if (ret < 0) {
+ debug("%s: node %s could not set gpio.\n", __func__,
+ dev->name);
+ return ret;
+ }
+ }
return 0;
}
@@ -213,32 +218,38 @@ int gpio_hog_probe_all(void)
{
struct udevice *dev;
int ret;
+ int retval = 0;
for (uclass_first_device(UCLASS_NOP, &dev);
dev;
uclass_find_next_device(&dev)) {
if (dev->driver == DM_GET_DRIVER(gpio_hog)) {
ret = device_probe(dev);
- if (ret)
- return ret;
+ if (ret) {
+ printf("Failed to probe device %s err: %d\n",
+ dev->name, ret);
+ retval = ret;
+ }
}
}
- return 0;
+ return retval;
}
-struct gpio_desc *gpio_hog_lookup_name(const char *name)
+int gpio_hog_lookup_name(const char *name, struct gpio_desc **desc)
{
struct udevice *dev;
+ *desc = NULL;
gpio_hog_probe_all();
if (!uclass_get_device_by_name(UCLASS_NOP, name, &dev)) {
struct gpio_hog_priv *priv = dev_get_priv(dev);
- return &priv->gpiod;
+ *desc = &priv->gpiod;
+ return 0;
}
- return NULL;
+ return -ENODEV;
}
U_BOOT_DRIVER(gpio_hog) = {
@@ -250,9 +261,9 @@ U_BOOT_DRIVER(gpio_hog) = {
.platdata_auto_alloc_size = sizeof(struct gpio_hog_data),
};
#else
-struct gpio_desc *gpio_hog_lookup_name(const char *name)
+int gpio_hog_lookup_name(const char *name, struct gpio_desc **desc)
{
- return NULL;
+ return 0;
}
#endif
@@ -755,13 +766,45 @@ int dm_gpio_get_values_as_int(const struct gpio_desc *desc_list, int count)
return vector;
}
+/**
+ * gpio_request_tail: common work for requesting a gpio.
+ *
+ * ret: return value from previous work in function which calls
+ * this function.
+ * This seems bogus (why calling this function instead not
+ * calling it and end caller function instead?).
+ * Because on error in caller function we want to set some
+ * default values in gpio desc and have a common error
+ * debug message, which provides this function.
+ * nodename: Name of node for which gpio gets requested
+ * used for gpio label name.
+ * args: pointer to output arguments structure
+ * list_name: Name of GPIO list
+ * used for gpio label name.
+ * index: gpio index in gpio list
+ * used for gpio label name.
+ * desc: pointer to gpio descriptor, filled from this
+ * function.
+ * flags: gpio flags to use.
+ * add_index: should index added to gpio label name
+ * gpio_dev: pointer to gpio device from which the gpio
+ * will be requested. If NULL try to get the
+ * gpio device with uclass_get_device_by_ofnode()
+ *
+ * return: In error case this function sets default values in
+ * gpio descriptor, also emmits a debug message.
+ * On success it returns 0 else the error code from
+ * function calls, or the error code passed through
+ * ret to this function.
+ *
+ */
static int gpio_request_tail(int ret, const char *nodename,
struct ofnode_phandle_args *args,
const char *list_name, int index,
struct gpio_desc *desc, int flags,
- bool add_index, struct udevice *dev)
+ bool add_index, struct udevice *gpio_dev)
{
- desc->dev = dev;
+ desc->dev = gpio_dev;
desc->offset = 0;
desc->flags = 0;
if (ret)
@@ -771,7 +814,8 @@ static int gpio_request_tail(int ret, const char *nodename,
ret = uclass_get_device_by_ofnode(UCLASS_GPIO, args->node,
&desc->dev);
if (ret) {
- debug("%s: uclass_get_device_by_ofnode failed\n", __func__);
+ debug("%s: uclass_get_device_by_ofnode failed\n",
+ __func__);
goto err;
}
}
@@ -989,10 +1033,8 @@ int gpio_dev_request_index(struct udevice *dev, const char *nodename,
static int gpio_post_bind(struct udevice *dev)
{
-#if defined(CONFIG_DM_GPIO_HOG)
struct udevice *child;
ofnode node;
-#endif
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
struct dm_gpio_ops *ops = (struct dm_gpio_ops *)device_get_ops(dev);
@@ -1024,16 +1066,21 @@ static int gpio_post_bind(struct udevice *dev)
}
#endif
-#if defined(CONFIG_DM_GPIO_HOG)
- dev_for_each_subnode(node, dev) {
- if (ofnode_read_bool(node, "gpio-hog")) {
- const char *name = ofnode_get_name(node);
-
- device_bind_driver_to_node(dev, "gpio_hog", name,
- node, &child);
+ if (IS_ENABLED(CONFIG_GPIO_HOG)) {
+ dev_for_each_subnode(node, dev) {
+ if (ofnode_read_bool(node, "gpio-hog")) {
+ const char *name = ofnode_get_name(node);
+ int ret;
+
+ ret = device_bind_driver_to_node(dev,
+ "gpio_hog",
+ name, node,
+ &child);
+ if (ret)
+ return ret;
+ }
}
}
-#endif
return 0;
}
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 0a1d228a88..084e095229 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -196,7 +196,7 @@ config ETH_SANDBOX_RAW
This driver is a bridge from the bottom of the network stack
in U-Boot to the RAW AF_PACKET API in Linux. This allows real
network traffic to be tested from within sandbox. See
- board/sandbox/README.sandbox for more details.
+ doc/arch/index.rst for more details.
config ETH_DESIGNWARE
bool "Synopsys Designware Ethernet MAC"
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 938cc75496..3004335c57 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -14,6 +14,7 @@
#include "pinctrl-mtk-common.h"
+#if CONFIG_IS_ENABLED(PINCONF)
/**
* struct mtk_drive_desc - the structure that holds the information
* of the driving current
@@ -39,6 +40,7 @@ static const struct mtk_drive_desc mtk_drive[] = {
[DRV_GRP3] = { 2, 8, 2, 2 },
[DRV_GRP4] = { 2, 16, 2, 1 },
};
+#endif
static const char *mtk_pinctrl_dummy_name = "_dummy";
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 0b58a18f5f..860b73d369 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -86,6 +86,11 @@ config RTC_RX8010SJ
help
Support for Epson RX8010SJ Real Time Clock devices.
+config RTC_RX8025
+ bool "Enable RX8025 driver"
+ help
+ Support for Epson RX8025 Real Time Clock devices.
+
config RTC_PL031
bool "Enable ARM AMBA PL031 RTC driver"
help
diff --git a/drivers/rtc/rx8025.c b/drivers/rtc/rx8025.c
index 7bd9f8b42a..e717dcbbfe 100644
--- a/drivers/rtc/rx8025.c
+++ b/drivers/rtc/rx8025.c
@@ -10,8 +10,9 @@
#include <common.h>
#include <command.h>
-#include <rtc.h>
+#include <dm.h>
#include <i2c.h>
+#include <rtc.h>
/*---------------------------------------------------------------------*/
#undef DEBUG_RTC
@@ -27,6 +28,18 @@
# define CONFIG_SYS_I2C_RTC_ADDR 0x32
#endif
+#ifdef CONFIG_DM_RTC
+#define DEV_TYPE struct udevice
+#else
+/* Local udevice */
+struct ludevice {
+ u8 chip;
+};
+
+#define DEV_TYPE struct ludevice
+
+#endif
+
/*
* RTC register addresses
*/
@@ -68,21 +81,35 @@
*/
/* static uchar rtc_read (uchar reg); */
+#ifdef CONFIG_DM_RTC
+/*
+ * on mpc85xx based board with DM and offset len 1
+ * accessing rtc works fine. May we can drop this ?
+ */
+#define rtc_read(reg) buf[(reg) & 0xf]
+#else
#define rtc_read(reg) buf[((reg) + 1) & 0xf]
+#endif
-static void rtc_write (uchar reg, uchar val);
+static int rtc_write(DEV_TYPE *dev, uchar reg, uchar val);
/*
* Get the current time from the RTC
*/
-int rtc_get (struct rtc_time *tmp)
+static int rx8025_rtc_get(DEV_TYPE *dev, struct rtc_time *tmp)
{
int rel = 0;
uchar sec, min, hour, mday, wday, mon, year, ctl2;
uchar buf[16];
- if (i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 16))
+#ifdef CONFIG_DM_RTC
+ if (dm_i2c_read(dev, 0, buf, sizeof(buf))) {
+#else
+ if (i2c_read(dev->chip, 0, 0, buf, 16)) {
+#endif
printf("Error reading from RTC\n");
+ return -EIO;
+ }
sec = rtc_read(RTC_SEC_REG_ADDR);
min = rtc_read(RTC_MIN_REG_ADDR);
@@ -92,9 +119,9 @@ int rtc_get (struct rtc_time *tmp)
mon = rtc_read(RTC_MON_REG_ADDR);
year = rtc_read(RTC_YR_REG_ADDR);
- DEBUGR ("Get RTC year: %02x mon: %02x mday: %02x wday: %02x "
- "hr: %02x min: %02x sec: %02x\n",
- year, mon, mday, wday, hour, min, sec);
+ DEBUGR("Get RTC year: %02x mon: %02x mday: %02x wday: %02x "
+ "hr: %02x min: %02x sec: %02x\n",
+ year, mon, mday, wday, hour, min, sec);
/* dump status */
ctl2 = rtc_read(RTC_CTL2_REG_ADDR);
@@ -113,13 +140,14 @@ int rtc_get (struct rtc_time *tmp)
rel = -1;
}
- tmp->tm_sec = bcd2bin (sec & 0x7F);
- tmp->tm_min = bcd2bin (min & 0x7F);
+ tmp->tm_sec = bcd2bin(sec & 0x7F);
+ tmp->tm_min = bcd2bin(min & 0x7F);
if (rtc_read(RTC_CTL1_REG_ADDR) & RTC_CTL1_BIT_2412)
- tmp->tm_hour = bcd2bin (hour & 0x3F);
+ tmp->tm_hour = bcd2bin(hour & 0x3F);
else
- tmp->tm_hour = bcd2bin (hour & 0x1F) % 12 +
+ tmp->tm_hour = bcd2bin(hour & 0x1F) % 12 +
((hour & 0x20) ? 12 : 0);
+
tmp->tm_mday = bcd2bin (mday & 0x3F);
tmp->tm_mon = bcd2bin (mon & 0x1F);
tmp->tm_year = bcd2bin (year) + ( bcd2bin (year) >= 70 ? 1900 : 2000);
@@ -127,9 +155,9 @@ int rtc_get (struct rtc_time *tmp)
tmp->tm_yday = 0;
tmp->tm_isdst= 0;
- DEBUGR ("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
- tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
- tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+ DEBUGR("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
+ tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
return rel;
}
@@ -137,54 +165,142 @@ int rtc_get (struct rtc_time *tmp)
/*
* Set the RTC
*/
-int rtc_set (struct rtc_time *tmp)
+static int rx8025_rtc_set(DEV_TYPE *dev, const struct rtc_time *tmp)
{
- DEBUGR ("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
- tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
- tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+ DEBUGR("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
+ tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
if (tmp->tm_year < 1970 || tmp->tm_year > 2069)
printf("WARNING: year should be between 1970 and 2069!\n");
- rtc_write (RTC_YR_REG_ADDR, bin2bcd (tmp->tm_year % 100));
- rtc_write (RTC_MON_REG_ADDR, bin2bcd (tmp->tm_mon));
- rtc_write (RTC_DAY_REG_ADDR, bin2bcd (tmp->tm_wday));
- rtc_write (RTC_DATE_REG_ADDR, bin2bcd (tmp->tm_mday));
- rtc_write (RTC_HR_REG_ADDR, bin2bcd (tmp->tm_hour));
- rtc_write (RTC_MIN_REG_ADDR, bin2bcd (tmp->tm_min));
- rtc_write (RTC_SEC_REG_ADDR, bin2bcd (tmp->tm_sec));
+ if (rtc_write(dev, RTC_YR_REG_ADDR, bin2bcd(tmp->tm_year % 100)))
+ return -EIO;
- rtc_write (RTC_CTL1_REG_ADDR, RTC_CTL1_BIT_2412);
+ if (rtc_write(dev, RTC_MON_REG_ADDR, bin2bcd(tmp->tm_mon)))
+ return -EIO;
- return 0;
+ if (rtc_write(dev, RTC_DAY_REG_ADDR, bin2bcd(tmp->tm_wday)))
+ return -EIO;
+
+ if (rtc_write(dev, RTC_DATE_REG_ADDR, bin2bcd(tmp->tm_mday)))
+ return -EIO;
+
+ if (rtc_write(dev, RTC_HR_REG_ADDR, bin2bcd(tmp->tm_hour)))
+ return -EIO;
+
+ if (rtc_write(dev, RTC_MIN_REG_ADDR, bin2bcd(tmp->tm_min)))
+ return -EIO;
+
+ if (rtc_write(dev, RTC_SEC_REG_ADDR, bin2bcd(tmp->tm_sec)))
+ return -EIO;
+
+ return rtc_write(dev, RTC_CTL1_REG_ADDR, RTC_CTL1_BIT_2412);
}
/*
* Reset the RTC
*/
-void rtc_reset (void)
+static int rx8025_rtc_reset(DEV_TYPE *dev)
{
uchar buf[16];
uchar ctl2;
- if (i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 16))
+#ifdef CONFIG_DM_RTC
+ if (dm_i2c_read(dev, 0, buf, sizeof(buf))) {
+#else
+ if (i2c_read(dev->chip, 0, 0, buf, 16)) {
+#endif
printf("Error reading from RTC\n");
+ return -EIO;
+ }
ctl2 = rtc_read(RTC_CTL2_REG_ADDR);
ctl2 &= ~(RTC_CTL2_BIT_PON | RTC_CTL2_BIT_VDET);
ctl2 |= RTC_CTL2_BIT_XST | RTC_CTL2_BIT_VDSL;
- rtc_write (RTC_CTL2_REG_ADDR, ctl2);
+
+ return rtc_write(dev, RTC_CTL2_REG_ADDR, ctl2);
}
/*
* Helper functions
*/
-static void rtc_write (uchar reg, uchar val)
+static int rtc_write(DEV_TYPE *dev, uchar reg, uchar val)
{
uchar buf[2];
buf[0] = reg << 4;
buf[1] = val;
- if (i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 2) != 0)
+
+#ifdef CONFIG_DM_RTC
+ if (dm_i2c_write(dev, 0, buf, 2)) {
+#else
+ if (i2c_write(dev->chip, 0, 0, buf, 2) != 0) {
+#endif
printf("Error writing to RTC\n");
+ return -EIO;
+ }
+ return 0;
}
+
+#ifdef CONFIG_DM_RTC
+static int rx8025_probe(struct udevice *dev)
+{
+ uchar buf[16];
+ int ret = 0;
+
+ if (i2c_get_chip_offset_len(dev) != 1)
+ ret = i2c_set_chip_offset_len(dev, 1);
+
+ if (ret)
+ return ret;
+
+ return dm_i2c_read(dev, 0, buf, sizeof(buf));
+}
+
+static const struct rtc_ops rx8025_rtc_ops = {
+ .get = rx8025_rtc_get,
+ .set = rx8025_rtc_set,
+ .reset = rx8025_rtc_reset,
+};
+
+static const struct udevice_id rx8025_rtc_ids[] = {
+ { .compatible = "epson,rx8025" },
+ { }
+};
+
+U_BOOT_DRIVER(rx8010sj_rtc) = {
+ .name = "rx8025_rtc",
+ .id = UCLASS_RTC,
+ .probe = rx8025_probe,
+ .of_match = rx8025_rtc_ids,
+ .ops = &rx8025_rtc_ops,
+};
+#else
+int rtc_get(struct rtc_time *tm)
+{
+ struct ludevice dev = {
+ .chip = CONFIG_SYS_I2C_RTC_ADDR,
+ };
+
+ return rx8025_rtc_get(&dev, tm);
+}
+
+int rtc_set(struct rtc_time *tm)
+{
+ struct ludevice dev = {
+ .chip = CONFIG_SYS_I2C_RTC_ADDR,
+ };
+
+ return rx8025_rtc_set(&dev, tm);
+}
+
+void rtc_reset(void)
+{
+ struct ludevice dev = {
+ .chip = CONFIG_SYS_I2C_RTC_ADDR,
+ };
+
+ rx8025_rtc_reset(&dev);
+}
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 21:21:05 +0000