@@ -10,12 +10,11 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/firmware.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/media.h>
#include <linux/module.h>
-#include <linux/of_gpio.h>
#include <linux/of_graph.h>
#include <linux/regulator/consumer.h>
#include <linux/sizes.h>
@@ -1347,24 +1346,6 @@ static int s5c73m3_oif_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
return 0;
}
-static int s5c73m3_gpio_set_value(struct s5c73m3 *priv, int id, u32 val)
-{
- if (!gpio_is_valid(priv->gpio[id].gpio))
- return 0;
- gpio_set_value(priv->gpio[id].gpio, !!val);
- return 1;
-}
-
-static int s5c73m3_gpio_assert(struct s5c73m3 *priv, int id)
-{
- return s5c73m3_gpio_set_value(priv, id, priv->gpio[id].level);
-}
-
-static int s5c73m3_gpio_deassert(struct s5c73m3 *priv, int id)
-{
- return s5c73m3_gpio_set_value(priv, id, !priv->gpio[id].level);
-}
-
static int __s5c73m3_power_on(struct s5c73m3 *state)
{
int i, ret;
@@ -1386,10 +1367,9 @@ static int __s5c73m3_power_on(struct s5c73m3 *state)
v4l2_dbg(1, s5c73m3_dbg, &state->oif_sd, "clock frequency: %ld\n",
clk_get_rate(state->clock));
- s5c73m3_gpio_deassert(state, STBY);
+ gpiod_set_value(state->stby, 0);
usleep_range(100, 200);
-
- s5c73m3_gpio_deassert(state, RSET);
+ gpiod_set_value(state->reset, 0);
usleep_range(50, 100);
return 0;
@@ -1404,11 +1384,10 @@ static int __s5c73m3_power_off(struct s5c73m3 *state)
{
int i, ret;
- if (s5c73m3_gpio_assert(state, RSET))
- usleep_range(10, 50);
-
- if (s5c73m3_gpio_assert(state, STBY))
- usleep_range(100, 200);
+ gpiod_set_value(state->reset, 1);
+ usleep_range(10, 50);
+ gpiod_set_value(state->stby, 1);
+ usleep_range(100, 200);
clk_disable_unprepare(state->clock);
@@ -1543,58 +1522,10 @@ static const struct v4l2_subdev_ops oif_subdev_ops = {
.video = &s5c73m3_oif_video_ops,
};
-static int s5c73m3_configure_gpios(struct s5c73m3 *state)
-{
- static const char * const gpio_names[] = {
- "S5C73M3_STBY", "S5C73M3_RST"
- };
- struct i2c_client *c = state->i2c_client;
- struct s5c73m3_gpio *g = state->gpio;
- int ret, i;
-
- for (i = 0; i < GPIO_NUM; ++i) {
- unsigned int flags = GPIOF_DIR_OUT;
- if (g[i].level)
- flags |= GPIOF_INIT_HIGH;
- ret = devm_gpio_request_one(&c->dev, g[i].gpio, flags,
- gpio_names[i]);
- if (ret) {
- v4l2_err(c, "failed to request gpio %s\n",
- gpio_names[i]);
- return ret;
- }
- }
- return 0;
-}
-
-static int s5c73m3_parse_gpios(struct s5c73m3 *state)
-{
- static const char * const prop_names[] = {
- "standby-gpios", "xshutdown-gpios",
- };
- struct device *dev = &state->i2c_client->dev;
- struct device_node *node = dev->of_node;
- int ret, i;
-
- for (i = 0; i < GPIO_NUM; ++i) {
- enum of_gpio_flags of_flags;
-
- ret = of_get_named_gpio_flags(node, prop_names[i],
- 0, &of_flags);
- if (ret < 0) {
- dev_err(dev, "failed to parse %s DT property\n",
- prop_names[i]);
- return -EINVAL;
- }
- state->gpio[i].gpio = ret;
- state->gpio[i].level = !(of_flags & OF_GPIO_ACTIVE_LOW);
- }
- return 0;
-}
-
static int s5c73m3_get_platform_data(struct s5c73m3 *state)
{
- struct device *dev = &state->i2c_client->dev;
+ struct i2c_client *c = state->i2c_client;
+ struct device *dev = &c->dev;
const struct s5c73m3_platform_data *pdata = dev->platform_data;
struct device_node *node = dev->of_node;
struct device_node *node_ep;
@@ -1608,8 +1539,6 @@ static int s5c73m3_get_platform_data(struct s5c73m3 *state)
}
state->mclk_frequency = pdata->mclk_frequency;
- state->gpio[STBY] = pdata->gpio_stby;
- state->gpio[RSET] = pdata->gpio_reset;
return 0;
}
@@ -1624,9 +1553,17 @@ static int s5c73m3_get_platform_data(struct s5c73m3 *state)
state->mclk_frequency);
}
- ret = s5c73m3_parse_gpios(state);
- if (ret < 0)
- return -EINVAL;
+ /* Request GPIO lines asserted */
+ state->stby = devm_gpiod_get(dev, "standby", GPIOD_OUT_HIGH);
+ if (IS_ERR(state->stby))
+ return dev_err_probe(dev, PTR_ERR(state->stby),
+ "failed to request gpio S5C73M3_STBY\n");
+ gpiod_set_consumer_name(state->stby, "S5C73M3_STBY");
+ state->reset = devm_gpiod_get(dev, "xshutdown", GPIOD_OUT_HIGH);
+ if (IS_ERR(state->reset))
+ return dev_err_probe(dev, PTR_ERR(state->reset),
+ "failed to request gpio S5C73M3_RST\n");
+ gpiod_set_consumer_name(state->reset, "S5C73M3_RST");
node_ep = of_graph_get_next_endpoint(node, NULL);
if (!node_ep) {
@@ -1708,10 +1645,6 @@ static int s5c73m3_probe(struct i2c_client *client)
if (ret < 0)
return ret;
- ret = s5c73m3_configure_gpios(state);
- if (ret)
- goto out_err;
-
for (i = 0; i < S5C73M3_MAX_SUPPLIES; i++)
state->supplies[i].supply = s5c73m3_supply_names[i];
@@ -10,7 +10,6 @@
#include <linux/sizes.h>
#include <linux/delay.h>
#include <linux/firmware.h>
-#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/media.h>
@@ -12,6 +12,7 @@
#include <linux/clk.h>
#include <linux/kernel.h>
#include <linux/regulator/consumer.h>
+#include <linux/gpio/consumer.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
@@ -351,12 +352,6 @@ struct s5c73m3_ctrls {
struct v4l2_ctrl *scene_mode;
};
-enum s5c73m3_gpio_id {
- STBY,
- RSET,
- GPIO_NUM,
-};
-
enum s5c73m3_resolution_types {
RES_ISP,
RES_JPEG,
@@ -383,7 +378,8 @@ struct s5c73m3 {
u32 i2c_read_address;
struct regulator_bulk_data supplies[S5C73M3_MAX_SUPPLIES];
- struct s5c73m3_gpio gpio[GPIO_NUM];
+ struct gpio_desc *stby;
+ struct gpio_desc *reset;
struct clk *clock;
@@ -20,21 +20,9 @@
#include <linux/videodev2.h>
#include <media/v4l2-mediabus.h>
-/**
- * struct s5c73m3_gpio - data structure describing a GPIO
- * @gpio: GPIO number
- * @level: indicates active state of the @gpio
- */
-struct s5c73m3_gpio {
- int gpio;
- int level;
-};
-
/**
* struct s5c73m3_platform_data - s5c73m3 driver platform data
* @mclk_frequency: sensor's master clock frequency in Hz
- * @gpio_reset: GPIO driving RESET pin
- * @gpio_stby: GPIO driving STBY pin
* @bus_type: bus type
* @nlanes: maximum number of MIPI-CSI lanes used
* @horiz_flip: default horizontal image flip value, non zero to enable
@@ -44,9 +32,6 @@ struct s5c73m3_gpio {
struct s5c73m3_platform_data {
unsigned long mclk_frequency;
- struct s5c73m3_gpio gpio_reset;
- struct s5c73m3_gpio gpio_stby;
-
enum v4l2_mbus_type bus_type;
u8 nlanes;
u8 horiz_flip;