[PATCH 2/3] ARM: pxa: ezx: use the new pxa_camera platform_data
Robert Jarzmik
robert.jarzmik at free.fr
Fri Sep 23 13:30:53 PDT 2016
pxa_camera has transitioned from a soc_camera driver to a standalone
v4l2 driver. Amend the device declaration accordingly.
Signed-off-by: Robert Jarzmik <robert.jarzmik at free.fr>
---
arch/arm/mach-pxa/ezx.c | 176 ++++++++++++++++++++----------------------------
1 file changed, 72 insertions(+), 104 deletions(-)
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 34ad0a89d4a9..0b8300e6fca3 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -17,14 +17,14 @@
#include <linux/delay.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/leds-lp3944.h>
#include <linux/i2c/pxa-i2c.h>
-#include <media/soc_camera.h>
-
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -723,6 +723,42 @@ static struct platform_device a780_gpio_keys = {
};
/* camera */
+static struct regulator_consumer_supply camera_dummy_supplies[] = {
+ REGULATOR_SUPPLY("vdd", "0-005d"),
+};
+
+static struct regulator_init_data camera_dummy_initdata = {
+ .consumer_supplies = camera_dummy_supplies,
+ .num_consumer_supplies = ARRAY_SIZE(camera_dummy_supplies),
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+};
+
+static struct fixed_voltage_config camera_dummy_config = {
+ .supply_name = "camera_vdd",
+ .microvolts = 2800000,
+ .gpio = GPIO50_nCAM_EN,
+ .enable_high = 0,
+ .init_data = &camera_dummy_initdata,
+};
+
+static struct platform_device camera_supply_dummy_device = {
+ .name = "reg-fixed-voltage",
+ .id = 1,
+ .dev = {
+ .platform_data = &camera_dummy_config,
+ },
+};
+static int a780_camera_reset(struct device *dev)
+{
+ gpio_set_value(GPIO19_GEN1_CAM_RST, 0);
+ msleep(10);
+ gpio_set_value(GPIO19_GEN1_CAM_RST, 1);
+
+ return 0;
+}
+
static int a780_camera_init(void)
{
int err;
@@ -731,73 +767,36 @@ static int a780_camera_init(void)
* GPIO50_nCAM_EN is active low
* GPIO19_GEN1_CAM_RST is active on rising edge
*/
- err = gpio_request(GPIO50_nCAM_EN, "nCAM_EN");
- if (err) {
- pr_err("%s: Failed to request nCAM_EN\n", __func__);
- goto fail;
- }
-
err = gpio_request(GPIO19_GEN1_CAM_RST, "CAM_RST");
if (err) {
pr_err("%s: Failed to request CAM_RST\n", __func__);
- goto fail_gpio_cam_rst;
+ return err;
}
- gpio_direction_output(GPIO50_nCAM_EN, 1);
gpio_direction_output(GPIO19_GEN1_CAM_RST, 0);
-
- return 0;
-
-fail_gpio_cam_rst:
- gpio_free(GPIO50_nCAM_EN);
-fail:
- return err;
-}
-
-static int a780_camera_power(struct device *dev, int on)
-{
- gpio_set_value(GPIO50_nCAM_EN, !on);
- return 0;
-}
-
-static int a780_camera_reset(struct device *dev)
-{
- gpio_set_value(GPIO19_GEN1_CAM_RST, 0);
- msleep(10);
- gpio_set_value(GPIO19_GEN1_CAM_RST, 1);
+ a780_camera_reset(NULL);
return 0;
}
struct pxacamera_platform_data a780_pxacamera_platform_data = {
.flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
- PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+ PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN |
+ PXA_CAMERA_PCP,
.mclk_10khz = 5000,
+ .sensor_i2c_adapter_id = 0,
+ .sensor_i2c_address = 0x5d,
};
-static struct i2c_board_info a780_camera_i2c_board_info = {
- I2C_BOARD_INFO("mt9m111", 0x5d),
-};
-
-static struct soc_camera_link a780_iclink = {
- .bus_id = 0,
- .flags = SOCAM_SENSOR_INVERT_PCLK,
- .i2c_adapter_id = 0,
- .board_info = &a780_camera_i2c_board_info,
- .power = a780_camera_power,
- .reset = a780_camera_reset,
-};
-
-static struct platform_device a780_camera = {
- .name = "soc-camera-pdrv",
- .id = 0,
- .dev = {
- .platform_data = &a780_iclink,
+static struct i2c_board_info a780_i2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("mt9m111", 0x5d),
},
};
static struct platform_device *a780_devices[] __initdata = {
&a780_gpio_keys,
+ &camera_supply_dummy_device,
};
static void __init a780_init(void)
@@ -811,19 +810,19 @@ static void __init a780_init(void)
pxa_set_stuart_info(NULL);
pxa_set_i2c_info(NULL);
+ i2c_register_board_info(0, ARRAY_AND_SIZE(a780_i2c_board_info));
pxa_set_fb_info(NULL, &ezx_fb_info_1);
pxa_set_keypad_info(&a780_keypad_platform_data);
- if (a780_camera_init() == 0) {
+ if (a780_camera_init() == 0)
pxa_set_camera_info(&a780_pxacamera_platform_data);
- platform_device_register(&a780_camera);
- }
pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a780_devices));
+ regulator_has_full_constraints();
}
MACHINE_START(EZX_A780, "Motorola EZX A780")
@@ -1001,6 +1000,15 @@ static struct platform_device a910_gpio_keys = {
};
/* camera */
+static int a910_camera_reset(struct device *dev)
+{
+ gpio_set_value(GPIO28_GEN2_CAM_RST, 0);
+ msleep(10);
+ gpio_set_value(GPIO28_GEN2_CAM_RST, 1);
+
+ return 0;
+}
+
static int a910_camera_init(void)
{
int err;
@@ -1009,68 +1017,25 @@ static int a910_camera_init(void)
* GPIO50_nCAM_EN is active low
* GPIO28_GEN2_CAM_RST is active on rising edge
*/
- err = gpio_request(GPIO50_nCAM_EN, "nCAM_EN");
- if (err) {
- pr_err("%s: Failed to request nCAM_EN\n", __func__);
- goto fail;
- }
-
err = gpio_request(GPIO28_GEN2_CAM_RST, "CAM_RST");
if (err) {
pr_err("%s: Failed to request CAM_RST\n", __func__);
- goto fail_gpio_cam_rst;
+ return err;
}
- gpio_direction_output(GPIO50_nCAM_EN, 1);
gpio_direction_output(GPIO28_GEN2_CAM_RST, 0);
-
- return 0;
-
-fail_gpio_cam_rst:
- gpio_free(GPIO50_nCAM_EN);
-fail:
- return err;
-}
-
-static int a910_camera_power(struct device *dev, int on)
-{
- gpio_set_value(GPIO50_nCAM_EN, !on);
- return 0;
-}
-
-static int a910_camera_reset(struct device *dev)
-{
- gpio_set_value(GPIO28_GEN2_CAM_RST, 0);
- msleep(10);
- gpio_set_value(GPIO28_GEN2_CAM_RST, 1);
+ a910_camera_reset(NULL);
return 0;
}
struct pxacamera_platform_data a910_pxacamera_platform_data = {
.flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
- PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+ PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN |
+ PXA_CAMERA_PCP,
.mclk_10khz = 5000,
-};
-
-static struct i2c_board_info a910_camera_i2c_board_info = {
- I2C_BOARD_INFO("mt9m111", 0x5d),
-};
-
-static struct soc_camera_link a910_iclink = {
- .bus_id = 0,
- .i2c_adapter_id = 0,
- .board_info = &a910_camera_i2c_board_info,
- .power = a910_camera_power,
- .reset = a910_camera_reset,
-};
-
-static struct platform_device a910_camera = {
- .name = "soc-camera-pdrv",
- .id = 0,
- .dev = {
- .platform_data = &a910_iclink,
- },
+ .sensor_i2c_adapter_id = 0,
+ .sensor_i2c_address = 0x5d,
};
/* leds-lp3944 */
@@ -1122,10 +1087,14 @@ static struct i2c_board_info __initdata a910_i2c_board_info[] = {
I2C_BOARD_INFO("lp3944", 0x60),
.platform_data = &a910_lp3944_leds,
},
+ {
+ I2C_BOARD_INFO("mt9m111", 0x5d),
+ },
};
static struct platform_device *a910_devices[] __initdata = {
&a910_gpio_keys,
+ &camera_supply_dummy_device,
};
static void __init a910_init(void)
@@ -1145,14 +1114,13 @@ static void __init a910_init(void)
pxa_set_keypad_info(&a910_keypad_platform_data);
- if (a910_camera_init() == 0) {
+ if (a910_camera_init() == 0)
pxa_set_camera_info(&a910_pxacamera_platform_data);
- platform_device_register(&a910_camera);
- }
pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a910_devices));
+ regulator_has_full_constraints();
}
MACHINE_START(EZX_A910, "Motorola EZX A910")
--
2.1.4
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