Hi Javier,
linux-omap should be CC'ed - added.
In addition to Koen's comments, some comments below.
On 05/20/11 16:47, Javier Martin wrote:
> isp.h file has to be included as a temporal measure
> since clocks of the isp are not exposed yet.
>
> Signed-off-by: Javier Martin <javier.mar...@vista-silicon.com>
> ---
> arch/arm/mach-omap2/board-omap3beagle.c | 127
> ++++++++++++++++++++++++++++++-
> 1 files changed, 123 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c
> b/arch/arm/mach-omap2/board-omap3beagle.c
> index 33007fd..f52e6ae 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -24,15 +24,20 @@
> #include <linux/input.h>
> #include <linux/gpio_keys.h>
> #include <linux/opp.h>
> +#include <linux/i2c.h>
> +#include <linux/mm.h>
> +#include <linux/videodev2.h>
>
> #include <linux/mtd/mtd.h>
> #include <linux/mtd/partitions.h>
> #include <linux/mtd/nand.h>
> #include <linux/mmc/host.h>
> -
> +#include <linux/gpio.h>
Why include this for second time?
> #include <linux/regulator/machine.h>
> #include <linux/i2c/twl.h>
>
> +#include <media/mt9p031.h>
> +
> #include <mach/hardware.h>
> #include <asm/mach-types.h>
> #include <asm/mach/arch.h>
> @@ -47,12 +52,17 @@
> #include <plat/nand.h>
> #include <plat/usb.h>
> #include <plat/omap_device.h>
> +#include <plat/i2c.h>
>
> #include "mux.h"
> #include "hsmmc.h"
> #include "timer-gp.h"
> #include "pm.h"
> +#include "devices.h"
> +#include "../../../drivers/media/video/omap3isp/isp.h"
>
> +#define MT9P031_RESET_GPIO 98
> +#define MT9P031_XCLK ISP_XCLK_A
> #define NAND_BLOCK_SIZE SZ_128K
>
> /*
> @@ -273,6 +283,44 @@ static struct regulator_consumer_supply
> beagle_vsim_supply = {
>
> static struct gpio_led gpio_leds[];
>
> +static struct regulator_consumer_supply beagle_vaux3_supply = {
> + .supply = "cam_1v8",
> +};
> +
> +static struct regulator_consumer_supply beagle_vaux4_supply = {
> + .supply = "cam_2v8",
> +};
> +
> +/* VAUX3 for CAM_1V8 */
> +static struct regulator_init_data beagle_vaux3 = {
> + .constraints = {
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .apply_uV = true,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL
> + | REGULATOR_MODE_STANDBY,
> + .valid_ops_mask = REGULATOR_CHANGE_MODE
> + | REGULATOR_CHANGE_STATUS,
> + },
> + .num_consumer_supplies = 1,
> + .consumer_supplies = &beagle_vaux3_supply,
> +};
> +
> +/* VAUX4 for CAM_2V8 */
> +static struct regulator_init_data beagle_vaux4 = {
> + .constraints = {
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .apply_uV = true,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL
> + | REGULATOR_MODE_STANDBY,
> + .valid_ops_mask = REGULATOR_CHANGE_MODE
> + | REGULATOR_CHANGE_STATUS,
> + },
> + .num_consumer_supplies = 1,
> + .consumer_supplies = &beagle_vaux4_supply,
> +};
> +
> static int beagle_twl_gpio_setup(struct device *dev,
> unsigned gpio, unsigned ngpio)
> {
> @@ -309,6 +357,15 @@ static int beagle_twl_gpio_setup(struct device *dev,
> pr_err("%s: unable to configure EHCI_nOC\n", __func__);
> }
>
> + if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> + /*
> + * Power on camera interface - only on pre-production, not
> + * needed on production boards
> + */
> + gpio_request(gpio + 2, "CAM_EN");
> + gpio_direction_output(gpio + 2, 1);
Why not gpio_request_one()?
> + }
> +
> /*
> * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
> * high / others active low)
> @@ -451,6 +508,8 @@ static struct twl4030_platform_data beagle_twldata = {
> .vsim = &beagle_vsim,
> .vdac = &beagle_vdac,
> .vpll2 = &beagle_vpll2,
> + .vaux3 = &beagle_vaux3,
> + .vaux4 = &beagle_vaux4,
> };
>
> static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
> @@ -463,15 +522,16 @@ static struct i2c_board_info __initdata
> beagle_i2c_boardinfo[] = {
> };
>
> static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
> - {
> - I2C_BOARD_INFO("eeprom", 0x50),
> - },
> + {
> + I2C_BOARD_INFO("eeprom", 0x50),
> + },
> };
This part of the hunk is not related to the patch
and should be in a separate (cleanup) patch.
>
> static int __init omap3_beagle_i2c_init(void)
> {
> omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
> ARRAY_SIZE(beagle_i2c_boardinfo));
> + omap_register_i2c_bus(2, 100, NULL, 0); /* Enable I2C2 for camera */
> /* Bus 3 is attached to the DVI port where devices like the pico DLP
> * projector don't work reliably with 400kHz */
> omap_register_i2c_bus(3, 100, beagle_i2c_eeprom,
> ARRAY_SIZE(beagle_i2c_eeprom));
> @@ -654,6 +714,60 @@ static void __init beagle_opp_init(void)
> return;
> }
>
> +static int beagle_cam_set_xclk(struct v4l2_subdev *subdev, int hz)
> +{
> + struct isp_device *isp = v4l2_dev_to_isp_device(subdev->v4l2_dev);
> + int ret;
> +
> + ret = isp->platform_cb.set_xclk(isp, hz, MT9P031_XCLK);
> + return 0;
> +}
Why do you need ret variable here, if you always return zero?
> +
> +static int beagle_cam_reset(struct v4l2_subdev *subdev, int active)
> +{
> + /* Set RESET_BAR to !active */
> + gpio_set_value(MT9P031_RESET_GPIO, !active);
> +
> + return 0;
> +}
> +
> +static struct mt9p031_platform_data beagle_mt9p031_platform_data = {
> + .set_xclk = beagle_cam_set_xclk,
> + .reset = beagle_cam_reset,
> +};
> +
> +static struct i2c_board_info mt9p031_camera_i2c_device = {
> + I2C_BOARD_INFO("mt9p031", 0x48),
> + .platform_data = &beagle_mt9p031_platform_data,
> +};
> +
> +static struct isp_subdev_i2c_board_info mt9p031_camera_subdevs[] = {
> + {
> + .board_info = &mt9p031_camera_i2c_device,
> + .i2c_adapter_id = 2,
> + },
> + { NULL, 0, },
> +};
> +
> +static struct isp_v4l2_subdevs_group beagle_camera_subdevs[] = {
> + {
> + .subdevs = mt9p031_camera_subdevs,
> + .interface = ISP_INTERFACE_PARALLEL,
> + .bus = {
> + .parallel = {
> + .data_lane_shift = 0,
> + .clk_pol = 1,
> + .bridge = ISPCTRL_PAR_BRIDGE_DISABLE,
> + }
> + },
> + },
> + { },
> +};
> +
> +static struct isp_platform_data beagle_isp_platform_data = {
> + .subdevs = beagle_camera_subdevs,
> +};
> +
> static void __init omap3_beagle_init(void)
> {
> omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
> @@ -679,6 +793,11 @@ static void __init omap3_beagle_init(void)
>
> beagle_display_init();
> beagle_opp_init();
> +
> + /* Enable camera */
> + gpio_request(MT9P031_RESET_GPIO, "cam_rst");
> + gpio_direction_output(MT9P031_RESET_GPIO, 0);
gpio_request_one()?
> + omap3_init_camera(&beagle_isp_platform_data);
> }
>
> MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
--
Regards,
Igor.
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