From patchwork Fri May 20 13:47:52 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martin X-Patchwork-Id: 6659 Return-path: Envelope-to: mchehab@pedra Delivery-date: Fri, 20 May 2011 10:49:11 -0300 Received: from mchehab by pedra with local (Exim 4.72) (envelope-from ) id 1QNQ4k-00035c-Uw for mchehab@pedra; Fri, 20 May 2011 10:49:11 -0300 Received: from casper.infradead.org [85.118.1.10] by pedra with IMAP (fetchmail-6.3.17) for (single-drop); Fri, 20 May 2011 10:49:10 -0300 (BRT) Received: from vger.kernel.org ([209.132.180.67]) by casper.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QNQ48-0003fK-UL; Fri, 20 May 2011 13:48:33 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932651Ab1ETNsS (ORCPT + 1 other); Fri, 20 May 2011 09:48:18 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:55156 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755756Ab1ETNsR (ORCPT ); Fri, 20 May 2011 09:48:17 -0400 Received: by wwa36 with SMTP id 36so4037869wwa.1 for ; Fri, 20 May 2011 06:48:15 -0700 (PDT) Received: by 10.227.24.8 with SMTP id t8mr4319733wbb.0.1305899295755; Fri, 20 May 2011 06:48:15 -0700 (PDT) Received: from localhost.localdomain (242.51.18.95.dynamic.jazztel.es [95.18.51.242]) by mx.google.com with ESMTPS id w25sm2300645wbd.56.2011.05.20.06.48.13 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 20 May 2011 06:48:14 -0700 (PDT) From: Javier Martin To: linux-media@vger.kernel.org Cc: g.liakhovetski@gmx.de, laurent.pinchart@ideasonboard.com, carlighting@yahoo.co.nz, beagleboard@googlegroups.com, linux-arm-kernel@lists.infradead.org, Javier Martin Subject: [PATCH v2 2/2] OMAP3BEAGLE: Add support for mt9p031 sensor driver. Date: Fri, 20 May 2011 15:47:52 +0200 Message-Id: <1305899272-31839-2-git-send-email-javier.martin@vista-silicon.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1305899272-31839-1-git-send-email-javier.martin@vista-silicon.com> References: <1305899272-31839-1-git-send-email-javier.martin@vista-silicon.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Sender: 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 --- 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 #include #include +#include +#include +#include #include #include #include #include - +#include #include #include +#include + #include #include #include @@ -47,12 +52,17 @@ #include #include #include +#include #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); + } + /* * 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), + }, }; 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; +} + +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); + omap3_init_camera(&beagle_isp_platform_data); } MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")