From: Alex Gershgorin <alexg@meprolight.com> To: Sascha Hauer <s.hauer@pengutronix.de> Cc: <linux-kernel@vger.kernel.org>, <g.liakhovetski@gmx.de>, <fabio.estevam@freescale.com>, <linux-media@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, Alex Gershgorin <alexg@meprolight.com> Subject: [PATCH v1] i.MX35-PDK: Add Camera support Date: Tue, 13 Mar 2012 17:05:29 +0200 [thread overview] Message-ID: <1331651129-30540-1-git-send-email-alexg@meprolight.com> (raw) In i.MX35-PDK, OV2640 camera is populated on the personality board. This camera is registered as a subdevice via soc-camera interface. Signed-off-by: Alex Gershgorin <alexg@meprolight.com> --- arch/arm/mach-imx/mach-mx35_3ds.c | 96 +++++++++++++++++++++++++++++++++++++ 1 files changed, 96 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c index 0af6c9c..a7dd8e6 100644 --- a/arch/arm/mach-imx/mach-mx35_3ds.c +++ b/arch/arm/mach-imx/mach-mx35_3ds.c @@ -4,6 +4,11 @@ * * Author: Fabio Estevam <fabio.estevam@freescale.com> * + * Copyright (C) 2011 Meprolight, Ltd. + * Alex Gershgorin <alexg@meprolight.com> + * + * Modified from i.MX31 3-Stack Development System + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -34,6 +39,7 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/hardware.h> #include <mach/common.h> @@ -41,6 +47,8 @@ #include <mach/irqs.h> #include <mach/3ds_debugboard.h> +#include <media/soc_camera.h> + #include "devices-imx35.h" #define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(1, 1)) @@ -120,6 +128,83 @@ static iomux_v3_cfg_t mx35pdk_pads[] = { /* I2C1 */ MX35_PAD_I2C1_CLK__I2C1_SCL, MX35_PAD_I2C1_DAT__I2C1_SDA, + /* CSI */ + MX35_PAD_TX1__IPU_CSI_D_6, + MX35_PAD_TX0__IPU_CSI_D_7, + MX35_PAD_CSI_D8__IPU_CSI_D_8, + MX35_PAD_CSI_D9__IPU_CSI_D_9, + MX35_PAD_CSI_D10__IPU_CSI_D_10, + MX35_PAD_CSI_D11__IPU_CSI_D_11, + MX35_PAD_CSI_D12__IPU_CSI_D_12, + MX35_PAD_CSI_D13__IPU_CSI_D_13, + MX35_PAD_CSI_D14__IPU_CSI_D_14, + MX35_PAD_CSI_D15__IPU_CSI_D_15, + MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC, + MX35_PAD_CSI_MCLK__IPU_CSI_MCLK, + MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK, + MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC, +}; + +/* + * Camera support +*/ +static phys_addr_t mx3_camera_base __initdata; +#define MX35_3DS_CAMERA_BUF_SIZE SZ_8M + +static const struct mx3_camera_pdata mx35_3ds_camera_pdata __initconst = { + .flags = MX3_CAMERA_DATAWIDTH_8, + .mclk_10khz = 2000, +}; + +static int __init imx35_3ds_init_camera(void) +{ + int dma, ret = -ENOMEM; + struct platform_device *pdev = + imx35_alloc_mx3_camera(&mx35_3ds_camera_pdata); + + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + if (!mx3_camera_base) + goto err; + + dma = dma_declare_coherent_memory(&pdev->dev, + mx3_camera_base, mx3_camera_base, + MX35_3DS_CAMERA_BUF_SIZE, + DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); + + if (!(dma & DMA_MEMORY_MAP)) + goto err; + + ret = platform_device_add(pdev); + if (ret) +err: + platform_device_put(pdev); + + return ret; +} + +static const struct ipu_platform_data mx35_3ds_ipu_data __initconst = { + .irq_base = MXC_IPU_IRQ_START, +}; + +static struct i2c_board_info mx35_3ds_i2c_camera = { + I2C_BOARD_INFO("ov2640", 0x30), +}; + +static struct soc_camera_link iclink_ov2640 = { + .bus_id = 0, + .board_info = &mx35_3ds_i2c_camera, + .i2c_adapter_id = 0, + .power = NULL, +}; + +static struct platform_device mx35_3ds_ov2640 = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &iclink_ov2640, + }, }; static int mx35_3ds_otg_init(struct platform_device *pdev) @@ -204,6 +289,9 @@ static void __init mx35_3ds_init(void) pr_warn("Init of the debugboard failed, all " "devices on the debugboard are unusable.\n"); imx35_add_imx_i2c0(&mx35_3ds_i2c0_data); + imx35_add_ipu_core(&mx35_3ds_ipu_data); + platform_device_register(&mx35_3ds_ov2640); + imx35_3ds_init_camera(); } static void __init mx35pdk_timer_init(void) @@ -215,6 +303,13 @@ struct sys_timer mx35pdk_timer = { .init = mx35pdk_timer_init, }; +static void __init mx35_3ds_reserve(void) +{ + /* reserve MX35_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */ + mx3_camera_base = arm_memblock_steal(MX35_3DS_CAMERA_BUF_SIZE, + MX35_3DS_CAMERA_BUF_SIZE); +} + MACHINE_START(MX35_3DS, "Freescale MX35PDK") /* Maintainer: Freescale Semiconductor, Inc */ .atag_offset = 0x100, @@ -224,5 +319,6 @@ MACHINE_START(MX35_3DS, "Freescale MX35PDK") .handle_irq = imx35_handle_irq, .timer = &mx35pdk_timer, .init_machine = mx35_3ds_init, + .reserve = mx35_3ds_reserve, .restart = mxc_restart, MACHINE_END -- 1.7.0.4
WARNING: multiple messages have this Message-ID (diff)
From: alexg@meprolight.com (Alex Gershgorin) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v1] i.MX35-PDK: Add Camera support Date: Tue, 13 Mar 2012 17:05:29 +0200 [thread overview] Message-ID: <1331651129-30540-1-git-send-email-alexg@meprolight.com> (raw) In i.MX35-PDK, OV2640 camera is populated on the personality board. This camera is registered as a subdevice via soc-camera interface. Signed-off-by: Alex Gershgorin <alexg@meprolight.com> --- arch/arm/mach-imx/mach-mx35_3ds.c | 96 +++++++++++++++++++++++++++++++++++++ 1 files changed, 96 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c index 0af6c9c..a7dd8e6 100644 --- a/arch/arm/mach-imx/mach-mx35_3ds.c +++ b/arch/arm/mach-imx/mach-mx35_3ds.c @@ -4,6 +4,11 @@ * * Author: Fabio Estevam <fabio.estevam@freescale.com> * + * Copyright (C) 2011 Meprolight, Ltd. + * Alex Gershgorin <alexg@meprolight.com> + * + * Modified from i.MX31 3-Stack Development System + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -34,6 +39,7 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/hardware.h> #include <mach/common.h> @@ -41,6 +47,8 @@ #include <mach/irqs.h> #include <mach/3ds_debugboard.h> +#include <media/soc_camera.h> + #include "devices-imx35.h" #define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(1, 1)) @@ -120,6 +128,83 @@ static iomux_v3_cfg_t mx35pdk_pads[] = { /* I2C1 */ MX35_PAD_I2C1_CLK__I2C1_SCL, MX35_PAD_I2C1_DAT__I2C1_SDA, + /* CSI */ + MX35_PAD_TX1__IPU_CSI_D_6, + MX35_PAD_TX0__IPU_CSI_D_7, + MX35_PAD_CSI_D8__IPU_CSI_D_8, + MX35_PAD_CSI_D9__IPU_CSI_D_9, + MX35_PAD_CSI_D10__IPU_CSI_D_10, + MX35_PAD_CSI_D11__IPU_CSI_D_11, + MX35_PAD_CSI_D12__IPU_CSI_D_12, + MX35_PAD_CSI_D13__IPU_CSI_D_13, + MX35_PAD_CSI_D14__IPU_CSI_D_14, + MX35_PAD_CSI_D15__IPU_CSI_D_15, + MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC, + MX35_PAD_CSI_MCLK__IPU_CSI_MCLK, + MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK, + MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC, +}; + +/* + * Camera support +*/ +static phys_addr_t mx3_camera_base __initdata; +#define MX35_3DS_CAMERA_BUF_SIZE SZ_8M + +static const struct mx3_camera_pdata mx35_3ds_camera_pdata __initconst = { + .flags = MX3_CAMERA_DATAWIDTH_8, + .mclk_10khz = 2000, +}; + +static int __init imx35_3ds_init_camera(void) +{ + int dma, ret = -ENOMEM; + struct platform_device *pdev = + imx35_alloc_mx3_camera(&mx35_3ds_camera_pdata); + + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + if (!mx3_camera_base) + goto err; + + dma = dma_declare_coherent_memory(&pdev->dev, + mx3_camera_base, mx3_camera_base, + MX35_3DS_CAMERA_BUF_SIZE, + DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); + + if (!(dma & DMA_MEMORY_MAP)) + goto err; + + ret = platform_device_add(pdev); + if (ret) +err: + platform_device_put(pdev); + + return ret; +} + +static const struct ipu_platform_data mx35_3ds_ipu_data __initconst = { + .irq_base = MXC_IPU_IRQ_START, +}; + +static struct i2c_board_info mx35_3ds_i2c_camera = { + I2C_BOARD_INFO("ov2640", 0x30), +}; + +static struct soc_camera_link iclink_ov2640 = { + .bus_id = 0, + .board_info = &mx35_3ds_i2c_camera, + .i2c_adapter_id = 0, + .power = NULL, +}; + +static struct platform_device mx35_3ds_ov2640 = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &iclink_ov2640, + }, }; static int mx35_3ds_otg_init(struct platform_device *pdev) @@ -204,6 +289,9 @@ static void __init mx35_3ds_init(void) pr_warn("Init of the debugboard failed, all " "devices on the debugboard are unusable.\n"); imx35_add_imx_i2c0(&mx35_3ds_i2c0_data); + imx35_add_ipu_core(&mx35_3ds_ipu_data); + platform_device_register(&mx35_3ds_ov2640); + imx35_3ds_init_camera(); } static void __init mx35pdk_timer_init(void) @@ -215,6 +303,13 @@ struct sys_timer mx35pdk_timer = { .init = mx35pdk_timer_init, }; +static void __init mx35_3ds_reserve(void) +{ + /* reserve MX35_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */ + mx3_camera_base = arm_memblock_steal(MX35_3DS_CAMERA_BUF_SIZE, + MX35_3DS_CAMERA_BUF_SIZE); +} + MACHINE_START(MX35_3DS, "Freescale MX35PDK") /* Maintainer: Freescale Semiconductor, Inc */ .atag_offset = 0x100, @@ -224,5 +319,6 @@ MACHINE_START(MX35_3DS, "Freescale MX35PDK") .handle_irq = imx35_handle_irq, .timer = &mx35pdk_timer, .init_machine = mx35_3ds_init, + .reserve = mx35_3ds_reserve, .restart = mxc_restart, MACHINE_END -- 1.7.0.4
next reply other threads:[~2012-03-13 15:13 UTC|newest] Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-03-13 15:05 Alex Gershgorin [this message] 2012-03-13 15:05 ` [PATCH v1] i.MX35-PDK: Add Camera support Alex Gershgorin 2012-03-19 22:03 ` Mauro Carvalho Chehab 2012-03-19 22:03 ` Mauro Carvalho Chehab 2012-03-19 22:17 ` Mauro Carvalho Chehab 2012-03-19 22:17 ` Mauro Carvalho Chehab 2012-03-19 22:37 ` Sascha Hauer 2012-03-19 22:37 ` Sascha Hauer 2012-03-19 22:43 ` Fabio Estevam 2012-03-19 22:43 ` Fabio Estevam 2012-03-19 22:45 ` Sascha Hauer 2012-03-19 22:45 ` Sascha Hauer 2012-03-20 8:54 ` Alex Gershgorin 2012-03-20 8:54 ` Alex Gershgorin 2012-03-20 8:54 ` Alex Gershgorin 2012-03-23 0:47 ` Fabio Estevam 2012-03-23 0:47 ` Fabio Estevam 2012-03-23 0:47 ` Fabio Estevam 2012-03-19 22:49 ` Mauro Carvalho Chehab 2012-03-19 22:49 ` Mauro Carvalho Chehab 2012-03-23 19:02 Alex Gershgorin 2012-03-23 20:37 ` Fabio Estevam 2012-03-23 20:37 ` Fabio Estevam
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