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i2c: i2c-gpio: Convert to use APIs which support live DT

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Use ofnode_ or dev_ APIs instead of fdt_ and fdtdec_ APIs so that the
driver can support live DT.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Patrick Delaunay 2020-09-10 18:25:09 +02:00 • committed by Tom Rini
parent a3b3c1d416
commit 7a462740d0
1 changed files with 3 additions and 7 deletions
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8
drivers/i2c/i2c-gpio.c
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@ -18,8 +18,6 @@
#define I2C_ACK 0 #define I2C_ACK 0
#define I2C_NOACK 1 #define I2C_NOACK 1
DECLARE_GLOBAL_DATA_PTR;
enum { enum {
PIN_SDA = 0, PIN_SDA = 0,
PIN_SCL, PIN_SCL,
@ -334,8 +332,6 @@ static int i2c_gpio_drv_probe(struct udevice *dev)
static int i2c_gpio_ofdata_to_platdata(struct udevice *dev) static int i2c_gpio_ofdata_to_platdata(struct udevice *dev)
{ {
struct i2c_gpio_bus *bus = dev_get_priv(dev); struct i2c_gpio_bus *bus = dev_get_priv(dev);
const void *blob = gd->fdt_blob;
int node = dev_of_offset(dev);
int ret; int ret;
ret = gpio_request_list_by_name(dev, "gpios", bus->gpios, ret = gpio_request_list_by_name(dev, "gpios", bus->gpios,
@ -343,12 +339,12 @@ static int i2c_gpio_ofdata_to_platdata(struct udevice *dev)
if (ret < 0) if (ret < 0)
goto error; goto error;
bus->udelay = fdtdec_get_int(blob, node, "i2c-gpio,delay-us", bus->udelay = dev_read_u32_default(dev, "i2c-gpio,delay-us",
DEFAULT_UDELAY); DEFAULT_UDELAY);
bus->get_sda = i2c_gpio_sda_get; bus->get_sda = i2c_gpio_sda_get;
bus->set_sda = i2c_gpio_sda_set; bus->set_sda = i2c_gpio_sda_set;
if (fdtdec_get_bool(blob, node, "i2c-gpio,scl-output-only")) if (dev_read_bool(dev, "i2c-gpio,scl-output-only"))
bus->set_scl = i2c_gpio_scl_set_output_only; bus->set_scl = i2c_gpio_scl_set_output_only;
else else
bus->set_scl = i2c_gpio_scl_set; bus->set_scl = i2c_gpio_scl_set;