@@ -15839,7 +15839,6 @@ S: Maintained
T: git git://linuxtv.org/media_tree.git
F: Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml
F: drivers/media/i2c/mt9p031.c
-F: include/media/i2c/mt9p031.h
MT9T112 APTINA CAMERA SENSOR
M: Jacopo Mondi <jacopo@jmondi.org>
@@ -24,7 +24,6 @@
#include <linux/slab.h>
#include <linux/videodev2.h>
-#include <media/i2c/mt9p031.h>
#include <media/v4l2-async.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
@@ -118,13 +117,16 @@ struct mt9p031 {
struct media_pad pad;
struct v4l2_rect crop; /* Sensor window */
struct v4l2_mbus_framefmt format;
- struct mt9p031_platform_data *pdata;
struct mutex power_lock; /* lock to protect power_count */
int power_count;
struct clk *clk;
struct regulator_bulk_data regulators[3];
+ unsigned int pixclk_pol:1;
+ int ext_freq;
+ int target_freq;
+
u32 code;
struct aptina_pll pll;
unsigned int clk_div;
@@ -225,7 +227,6 @@ static int mt9p031_clk_setup(struct mt9p031 *mt9p031)
};
struct i2c_client *client = v4l2_get_subdevdata(&mt9p031->subdev);
- struct mt9p031_platform_data *pdata = mt9p031->pdata;
unsigned long ext_freq;
int ret;
@@ -233,7 +234,7 @@ static int mt9p031_clk_setup(struct mt9p031 *mt9p031)
if (IS_ERR(mt9p031->clk))
return PTR_ERR(mt9p031->clk);
- ret = clk_set_rate(mt9p031->clk, pdata->ext_freq);
+ ret = clk_set_rate(mt9p031->clk, mt9p031->ext_freq);
if (ret < 0)
return ret;
@@ -245,7 +246,7 @@ static int mt9p031_clk_setup(struct mt9p031 *mt9p031)
if (ext_freq > limits.ext_clock_max) {
unsigned int div;
- div = DIV_ROUND_UP(ext_freq, pdata->target_freq);
+ div = DIV_ROUND_UP(ext_freq, mt9p031->target_freq);
div = roundup_pow_of_two(div) / 2;
mt9p031->clk_div = min_t(unsigned int, div, 64);
@@ -255,7 +256,7 @@ static int mt9p031_clk_setup(struct mt9p031 *mt9p031)
}
mt9p031->pll.ext_clock = ext_freq;
- mt9p031->pll.pix_clock = pdata->target_freq;
+ mt9p031->pll.pix_clock = mt9p031->target_freq;
mt9p031->use_pll = true;
return aptina_pll_calculate(&client->dev, &limits, &mt9p031->pll);
@@ -376,7 +377,7 @@ static int __mt9p031_set_power(struct mt9p031 *mt9p031, bool on)
}
/* Configure the pixel clock polarity */
- if (mt9p031->pdata && mt9p031->pdata->pixclk_pol) {
+ if (mt9p031->pixclk_pol) {
ret = mt9p031_write(client, MT9P031_PIXEL_CLOCK_CONTROL,
MT9P031_PIXEL_CLOCK_INVERT);
if (ret < 0)
@@ -1057,53 +1058,42 @@ static const struct v4l2_subdev_internal_ops mt9p031_subdev_internal_ops = {
* Driver initialization and probing
*/
-static struct mt9p031_platform_data *
-mt9p031_get_pdata(struct i2c_client *client)
+static int mt9p031_parse_of(struct mt9p031 *mt9p031, struct device *dev)
{
- struct mt9p031_platform_data *pdata = NULL;
struct device_node *np;
struct v4l2_fwnode_endpoint endpoint = {
.bus_type = V4L2_MBUS_PARALLEL
};
+ int ret;
- if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
- return client->dev.platform_data;
+ if (!dev->of_node)
+ return -EINVAL;
- np = of_graph_get_endpoint_by_regs(client->dev.of_node, 0, -1);
+ np = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1);
if (!np)
- return NULL;
+ return -EINVAL;
- if (v4l2_fwnode_endpoint_parse(of_fwnode_handle(np), &endpoint) < 0)
- goto done;
-
- pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- goto done;
-
- of_property_read_u32(np, "input-clock-frequency", &pdata->ext_freq);
- of_property_read_u32(np, "pixel-clock-frequency", &pdata->target_freq);
-
- pdata->pixclk_pol = !!(endpoint.bus.parallel.flags &
- V4L2_MBUS_PCLK_SAMPLE_RISING);
-
-done:
+ ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(np), &endpoint);
of_node_put(np);
- return pdata;
+ if (ret)
+ return ret;
+
+ of_property_read_u32(np, "input-clock-frequency", &mt9p031->ext_freq);
+ of_property_read_u32(np, "pixel-clock-frequency", &mt9p031->target_freq);
+
+ mt9p031->pixclk_pol = !!(endpoint.bus.parallel.flags &
+ V4L2_MBUS_PCLK_SAMPLE_RISING);
+
+ return 0;
}
static int mt9p031_probe(struct i2c_client *client)
{
- struct mt9p031_platform_data *pdata = mt9p031_get_pdata(client);
struct i2c_adapter *adapter = client->adapter;
struct mt9p031 *mt9p031;
unsigned int i;
int ret;
- if (pdata == NULL) {
- dev_err(&client->dev, "No platform data\n");
- return -EINVAL;
- }
-
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
dev_warn(&client->dev,
"I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
@@ -1114,7 +1104,12 @@ static int mt9p031_probe(struct i2c_client *client)
if (mt9p031 == NULL)
return -ENOMEM;
- mt9p031->pdata = pdata;
+ ret = mt9p031_parse_of(mt9p031, &client->dev);
+ if (ret) {
+ dev_err(&client->dev, "Failed to parse DT properties\n");
+ return ret;
+ }
+
mt9p031->output_control = MT9P031_OUTPUT_CONTROL_DEF;
mt9p031->mode2 = MT9P031_READ_MODE_2_ROW_BLC;
mt9p031->code = (uintptr_t)i2c_get_match_data(client);
@@ -1145,8 +1140,8 @@ static int mt9p031_probe(struct i2c_client *client)
v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
- V4L2_CID_PIXEL_RATE, pdata->target_freq,
- pdata->target_freq, 1, pdata->target_freq);
+ V4L2_CID_PIXEL_RATE, mt9p031->target_freq,
+ mt9p031->target_freq, 1, mt9p031->target_freq);
v4l2_ctrl_new_std_menu_items(&mt9p031->ctrls, &mt9p031_ctrl_ops,
V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(mt9p031_test_pattern_menu) - 1, 0,
deleted file mode 100644
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef MT9P031_H
-#define MT9P031_H
-
-struct v4l2_subdev;
-
-/*
- * struct mt9p031_platform_data - MT9P031 platform data
- * @ext_freq: Input clock frequency
- * @target_freq: Pixel clock frequency
- */
-struct mt9p031_platform_data {
- unsigned int pixclk_pol:1;
- int ext_freq;
- int target_freq;
-};
-
-#endif