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-rw-r--r--MAINTAINERS1
-rw-r--r--drivers/media/i2c/Kconfig1
-rw-r--r--drivers/media/i2c/mt9v032.c66
-rw-r--r--include/media/i2c/mt9v032.h12
4 files changed, 28 insertions, 52 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 4b095bbb14cb..89d5f1c3f918 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17273,7 +17273,6 @@ S: Maintained
T: git git://linuxtv.org/media.git
F: Documentation/devicetree/bindings/media/i2c/aptina,mt9v032.txt
F: drivers/media/i2c/mt9v032.c
-F: include/media/i2c/mt9v032.h
MT9V111 APTINA CAMERA SENSOR
M: Jacopo Mondi <jacopo@jmondi.org>
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index ccc143ca13aa..c976a1016e70 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -327,6 +327,7 @@ config VIDEO_MT9V011
config VIDEO_MT9V032
tristate "Micron MT9V032 sensor support"
+ depends on OF
select REGMAP_I2C
help
This is a Video4Linux2 sensor driver for the Micron
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index 888f3280378d..d4359d5b92bb 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -24,7 +24,6 @@
#include <linux/v4l2-mediabus.h>
#include <linux/videodev2.h>
-#include <media/i2c/mt9v032.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fwnode.h>
@@ -182,6 +181,13 @@ static const struct mt9v032_model_version mt9v032_versions[] = {
{ MT9V034_CHIP_ID_REV1, "MT9V024/MT9V034 rev1" },
};
+struct mt9v032_platform_data {
+ unsigned int clk_pol:1;
+
+ const s64 *link_freqs;
+ s64 link_def_freq;
+};
+
struct mt9v032 {
struct device *dev;
@@ -207,7 +213,7 @@ struct mt9v032 {
struct gpio_desc *reset_gpio;
struct gpio_desc *standby_gpio;
- struct mt9v032_platform_data *pdata;
+ struct mt9v032_platform_data pdata;
const struct mt9v032_model_info *model;
const struct mt9v032_model_version *version;
@@ -332,7 +338,7 @@ static int __mt9v032_set_power(struct mt9v032 *mt9v032, bool on)
return ret;
/* Configure the pixel clock polarity */
- if (mt9v032->pdata && mt9v032->pdata->clk_pol) {
+ if (mt9v032->pdata.clk_pol) {
ret = regmap_write(map, mt9v032->model->data->pclk_reg,
MT9V032_PIXEL_CLOCK_INV_PXL_CLK);
if (ret < 0)
@@ -683,7 +689,7 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
if (mt9v032->link_freq == NULL)
break;
- freq = mt9v032->pdata->link_freqs[mt9v032->link_freq->val];
+ freq = mt9v032->pdata.link_freqs[mt9v032->link_freq->val];
*mt9v032->pixel_rate->p_new.p_s64 = freq;
mt9v032->sysclk = freq;
break;
@@ -996,26 +1002,19 @@ static const struct regmap_config mt9v032_regmap_config = {
* Driver initialization and probing
*/
-static struct mt9v032_platform_data *mt9v032_get_pdata(struct mt9v032 *mt9v032)
+static int mt9v032_get_pdata(struct mt9v032 *mt9v032)
{
- struct mt9v032_platform_data *pdata = NULL;
+ struct mt9v032_platform_data *pdata = &mt9v032->pdata;
struct v4l2_fwnode_endpoint endpoint = { .bus_type = 0 };
- struct device_node *np;
+ struct device_node *np __free(device_node) = NULL;
struct property *prop;
- if (!IS_ENABLED(CONFIG_OF) || !mt9v032->dev->of_node)
- return mt9v032->dev->platform_data;
-
np = of_graph_get_endpoint_by_regs(mt9v032->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(mt9v032->dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- goto done;
+ return -EINVAL;
prop = of_find_property(np, "link-frequencies", NULL);
if (prop) {
@@ -1025,11 +1024,11 @@ static struct mt9v032_platform_data *mt9v032_get_pdata(struct mt9v032 *mt9v032)
link_freqs = devm_kcalloc(mt9v032->dev, size,
sizeof(*link_freqs), GFP_KERNEL);
if (!link_freqs)
- goto done;
+ return -EINVAL;
if (of_property_read_u64_array(np, "link-frequencies",
link_freqs, size) < 0)
- goto done;
+ return -EINVAL;
pdata->link_freqs = link_freqs;
pdata->link_def_freq = link_freqs[0];
@@ -1038,9 +1037,7 @@ static struct mt9v032_platform_data *mt9v032_get_pdata(struct mt9v032 *mt9v032)
pdata->clk_pol = !!(endpoint.bus.parallel.flags &
V4L2_MBUS_PCLK_SAMPLE_RISING);
-done:
- of_node_put(np);
- return pdata;
+ return 0;
}
static int mt9v032_probe(struct i2c_client *client)
@@ -1075,8 +1072,13 @@ static int mt9v032_probe(struct i2c_client *client)
return PTR_ERR(mt9v032->standby_gpio);
mutex_init(&mt9v032->power_lock);
- mt9v032->pdata = mt9v032_get_pdata(mt9v032);
- mt9v032->model = i2c_get_match_data(client);
+
+ ret = mt9v032_get_pdata(mt9v032);
+ if (ret)
+ return dev_err_probe(mt9v032->dev, -EINVAL,
+ "Failed to parse DT properties\n");
+
+ mt9v032->model = device_get_match_data(mt9v032->dev);
v4l2_ctrl_handler_init(&mt9v032->ctrls, 11 +
ARRAY_SIZE(mt9v032_aegc_controls));
@@ -1121,8 +1123,8 @@ static int mt9v032_probe(struct i2c_client *client)
v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops,
V4L2_CID_PIXEL_RATE, 1, INT_MAX, 1, 1);
- if (mt9v032->pdata && mt9v032->pdata->link_freqs) {
- const struct mt9v032_platform_data *pdata = mt9v032->pdata;
+ if (mt9v032->pdata.link_freqs) {
+ const struct mt9v032_platform_data *pdata = &mt9v032->pdata;
unsigned int def = 0;
for (i = 0; pdata->link_freqs[i]; ++i) {
@@ -1264,19 +1266,6 @@ static const struct mt9v032_model_info mt9v032_models[] = {
},
};
-static const struct i2c_device_id mt9v032_id[] = {
- { "mt9v022", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V022_COLOR] },
- { "mt9v022m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V022_MONO] },
- { "mt9v024", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V024_COLOR] },
- { "mt9v024m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V024_MONO] },
- { "mt9v032", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V032_COLOR] },
- { "mt9v032m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V032_MONO] },
- { "mt9v034", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V034_COLOR] },
- { "mt9v034m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V034_MONO] },
- { /* Sentinel */ }
-};
-MODULE_DEVICE_TABLE(i2c, mt9v032_id);
-
static const struct of_device_id mt9v032_of_match[] = {
{ .compatible = "aptina,mt9v022", .data = &mt9v032_models[MT9V032_MODEL_V022_COLOR] },
{ .compatible = "aptina,mt9v022m", .data = &mt9v032_models[MT9V032_MODEL_V022_MONO] },
@@ -1297,7 +1286,6 @@ static struct i2c_driver mt9v032_driver = {
},
.probe = mt9v032_probe,
.remove = mt9v032_remove,
- .id_table = mt9v032_id,
};
module_i2c_driver(mt9v032_driver);
diff --git a/include/media/i2c/mt9v032.h b/include/media/i2c/mt9v032.h
deleted file mode 100644
index 83a37ccfb649..000000000000
--- a/include/media/i2c/mt9v032.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _MEDIA_MT9V032_H
-#define _MEDIA_MT9V032_H
-
-struct mt9v032_platform_data {
- unsigned int clk_pol:1;
-
- const s64 *link_freqs;
- s64 link_def_freq;
-};
-
-#endif