diff options
Diffstat (limited to 'arch/sh/boards/mach-ap325rxa/setup.c')
| -rw-r--r-- | arch/sh/boards/mach-ap325rxa/setup.c | 282 |
1 files changed, 79 insertions, 203 deletions
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c index de8393cb7313..8f234d0435aa 100644 --- a/arch/sh/boards/mach-ap325rxa/setup.c +++ b/arch/sh/boards/mach-ap325rxa/setup.c @@ -1,40 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas - AP-325RXA * (Compatible with Algo System ., LTD. - AP-320A) * * Copyright (C) 2008 Renesas Solutions Corp. * Author : Yusuke Goda <goda.yuske@renesas.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ -#include <linux/init.h> +#include <asm/clock.h> +#include <asm/io.h> +#include <asm/suspend.h> + +#include <cpu/sh7723.h> + +#include <linux/clkdev.h> +#include <linux/delay.h> #include <linux/device.h> +#include <linux/gpio.h> +#include <linux/gpio/machine.h> +#include <linux/i2c.h> +#include <linux/init.h> #include <linux/interrupt.h> -#include <linux/platform_device.h> +#include <linux/memblock.h> +#include <linux/mfd/tmio.h> #include <linux/mmc/host.h> #include <linux/mtd/physmap.h> #include <linux/mtd/sh_flctl.h> -#include <linux/mfd/tmio.h> -#include <linux/delay.h> -#include <linux/i2c.h> +#include <linux/platform_device.h> #include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> +#include <linux/sh_intc.h> #include <linux/smsc911x.h> -#include <linux/gpio.h> #include <linux/videodev2.h> -#include <linux/sh_intc.h> + +#include <media/drv-intf/renesas-ceu.h> #include <media/i2c/ov772x.h> -#include <media/soc_camera.h> -#include <linux/platform_data/media/soc_camera_platform.h> -#include <media/drv-intf/sh_mobile_ceu.h> + #include <video/sh_mobile_lcdc.h> -#include <asm/io.h> -#include <asm/clock.h> -#include <asm/suspend.h> -#include <cpu/sh7723.h> + +#define CEU_BUFFER_MEMORY_SIZE (4 << 20) +static phys_addr_t ceu_dma_membase; /* Dummy supplies, where voltage doesn't matter */ static struct regulator_consumer_supply dummy_supplies[] = { @@ -253,150 +258,25 @@ static struct platform_device lcdc_device = { }, }; -static void camera_power(int val) -{ - gpio_set_value(GPIO_PTZ5, val); /* RST_CAM/RSTB */ - mdelay(10); -} - -#ifdef CONFIG_I2C -/* support for the old ncm03j camera */ -static unsigned char camera_ncm03j_magic[] = -{ - 0x87, 0x00, 0x88, 0x08, 0x89, 0x01, 0x8A, 0xE8, - 0x1D, 0x00, 0x1E, 0x8A, 0x21, 0x00, 0x33, 0x36, - 0x36, 0x60, 0x37, 0x08, 0x3B, 0x31, 0x44, 0x0F, - 0x46, 0xF0, 0x4B, 0x28, 0x4C, 0x21, 0x4D, 0x55, - 0x4E, 0x1B, 0x4F, 0xC7, 0x50, 0xFC, 0x51, 0x12, - 0x58, 0x02, 0x66, 0xC0, 0x67, 0x46, 0x6B, 0xA0, - 0x6C, 0x34, 0x7E, 0x25, 0x7F, 0x25, 0x8D, 0x0F, - 0x92, 0x40, 0x93, 0x04, 0x94, 0x26, 0x95, 0x0A, - 0x99, 0x03, 0x9A, 0xF0, 0x9B, 0x14, 0x9D, 0x7A, - 0xC5, 0x02, 0xD6, 0x07, 0x59, 0x00, 0x5A, 0x1A, - 0x5B, 0x2A, 0x5C, 0x37, 0x5D, 0x42, 0x5E, 0x56, - 0xC8, 0x00, 0xC9, 0x1A, 0xCA, 0x2A, 0xCB, 0x37, - 0xCC, 0x42, 0xCD, 0x56, 0xCE, 0x00, 0xCF, 0x1A, - 0xD0, 0x2A, 0xD1, 0x37, 0xD2, 0x42, 0xD3, 0x56, - 0x5F, 0x68, 0x60, 0x87, 0x61, 0xA3, 0x62, 0xBC, - 0x63, 0xD4, 0x64, 0xEA, 0xD6, 0x0F, -}; - -static int camera_probe(void) -{ - struct i2c_adapter *a = i2c_get_adapter(0); - struct i2c_msg msg; - int ret; - - if (!a) - return -ENODEV; - - camera_power(1); - msg.addr = 0x6e; - msg.buf = camera_ncm03j_magic; - msg.len = 2; - msg.flags = 0; - ret = i2c_transfer(a, &msg, 1); - camera_power(0); - - return ret; -} - -static int camera_set_capture(struct soc_camera_platform_info *info, - int enable) -{ - struct i2c_adapter *a = i2c_get_adapter(0); - struct i2c_msg msg; - int ret = 0; - int i; - - camera_power(0); - if (!enable) - return 0; /* no disable for now */ - - camera_power(1); - for (i = 0; i < ARRAY_SIZE(camera_ncm03j_magic); i += 2) { - u_int8_t buf[8]; - - msg.addr = 0x6e; - msg.buf = buf; - msg.len = 2; - msg.flags = 0; - - buf[0] = camera_ncm03j_magic[i]; - buf[1] = camera_ncm03j_magic[i + 1]; - - ret = (ret < 0) ? ret : i2c_transfer(a, &msg, 1); - } - - return ret; -} - -static int ap325rxa_camera_add(struct soc_camera_device *icd); -static void ap325rxa_camera_del(struct soc_camera_device *icd); - -static struct soc_camera_platform_info camera_info = { - .format_name = "UYVY", - .format_depth = 16, - .format = { - .code = MEDIA_BUS_FMT_UYVY8_2X8, - .colorspace = V4L2_COLORSPACE_SMPTE170M, - .field = V4L2_FIELD_NONE, - .width = 640, - .height = 480, +/* Powerdown/reset gpios for CEU image sensors */ +static struct gpiod_lookup_table ov7725_gpios = { + .dev_id = "0-0021", + .table = { + GPIO_LOOKUP("sh7723_pfc", GPIO_PTZ5, "reset", GPIO_ACTIVE_LOW), }, - .mbus_param = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER | - V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH | - V4L2_MBUS_DATA_ACTIVE_HIGH, - .mbus_type = V4L2_MBUS_PARALLEL, - .set_capture = camera_set_capture, -}; - -static struct soc_camera_link camera_link = { - .bus_id = 0, - .add_device = ap325rxa_camera_add, - .del_device = ap325rxa_camera_del, - .module_name = "soc_camera_platform", - .priv = &camera_info, }; -static struct platform_device *camera_device; - -static void ap325rxa_camera_release(struct device *dev) -{ - soc_camera_platform_release(&camera_device); -} - -static int ap325rxa_camera_add(struct soc_camera_device *icd) -{ - int ret = soc_camera_platform_add(icd, &camera_device, &camera_link, - ap325rxa_camera_release, 0); - if (ret < 0) - return ret; - - ret = camera_probe(); - if (ret < 0) - soc_camera_platform_del(icd, camera_device, &camera_link); - - return ret; -} - -static void ap325rxa_camera_del(struct soc_camera_device *icd) -{ - soc_camera_platform_del(icd, camera_device, &camera_link); -} -#endif /* CONFIG_I2C */ - -static int ov7725_power(struct device *dev, int mode) -{ - camera_power(0); - if (mode) - camera_power(1); - - return 0; -} - -static struct sh_mobile_ceu_info sh_mobile_ceu_info = { - .flags = SH_CEU_FLAG_USE_8BIT_BUS, +static struct ceu_platform_data ceu0_pdata = { + .num_subdevs = 1, + .subdevs = { + { /* [0] = ov7725 */ + .flags = 0, + .bus_width = 8, + .bus_shift = 0, + .i2c_adapter_id = 0, + .i2c_address = 0x21, + }, + }, }; static struct resource ceu_resources[] = { @@ -410,18 +290,15 @@ static struct resource ceu_resources[] = { .start = evt2irq(0x880), .flags = IORESOURCE_IRQ, }, - [2] = { - /* place holder for contiguous memory */ - }, }; -static struct platform_device ceu_device = { - .name = "sh_mobile_ceu", - .id = 0, /* "ceu0" clock */ +static struct platform_device ap325rxa_ceu_device = { + .name = "renesas-ceu", + .id = 0, /* "ceu.0" clock */ .num_resources = ARRAY_SIZE(ceu_resources), .resource = ceu_resources, .dev = { - .platform_data = &sh_mobile_ceu_info, + .platform_data = &ceu0_pdata, }, }; @@ -488,44 +365,18 @@ static struct platform_device sdhi1_cn7_device = { }, }; -static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = { - { - I2C_BOARD_INFO("pcf8563", 0x51), - }, -}; - -static struct i2c_board_info ap325rxa_i2c_camera[] = { - { - I2C_BOARD_INFO("ov772x", 0x21), - }, -}; - static struct ov772x_camera_info ov7725_info = { .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP, .edgectrl = OV772X_AUTO_EDGECTRL(0xf, 0), }; -static struct soc_camera_link ov7725_link = { - .bus_id = 0, - .power = ov7725_power, - .board_info = &ap325rxa_i2c_camera[0], - .i2c_adapter_id = 0, - .priv = &ov7725_info, -}; - -static struct platform_device ap325rxa_camera[] = { +static struct i2c_board_info ap325rxa_i2c_devices[] __initdata = { { - .name = "soc-camera-pdrv", - .id = 0, - .dev = { - .platform_data = &ov7725_link, - }, - }, { - .name = "soc-camera-pdrv", - .id = 1, - .dev = { - .platform_data = &camera_link, - }, + I2C_BOARD_INFO("pcf8563", 0x51), + }, + { + I2C_BOARD_INFO("ov772x", 0x21), + .platform_data = &ov7725_info, }, }; @@ -533,12 +384,9 @@ static struct platform_device *ap325rxa_devices[] __initdata = { &smsc9118_device, &ap325rxa_nor_flash_device, &lcdc_device, - &ceu_device, &nand_flash_device, &sdhi0_cn3_device, &sdhi1_cn7_device, - &ap325rxa_camera[0], - &ap325rxa_camera[1], }; extern char ap325rxa_sdram_enter_start; @@ -649,8 +497,6 @@ static int __init ap325rxa_devices_setup(void) __raw_writew(0xFFFF, PORT_DRVCRA); __raw_writew(0xFFFF, PORT_DRVCRB); - platform_resource_setup_memory(&ceu_device, "ceu", 4 << 20); - /* SDHI0 - CN3 - SD CARD */ gpio_request(GPIO_FN_SDHI0CD_PTD, NULL); gpio_request(GPIO_FN_SDHI0WP_PTD, NULL); @@ -670,9 +516,25 @@ static int __init ap325rxa_devices_setup(void) gpio_request(GPIO_FN_SDHI1CMD, NULL); gpio_request(GPIO_FN_SDHI1CLK, NULL); + /* Add a clock alias for ov7725 xclk source. */ + clk_add_alias(NULL, "0-0021", "video_clk", NULL); + + /* Register RSTB gpio for ov7725 camera sensor. */ + gpiod_add_lookup_table(&ov7725_gpios); + i2c_register_board_info(0, ap325rxa_i2c_devices, ARRAY_SIZE(ap325rxa_i2c_devices)); + /* Initialize CEU platform device separately to map memory first */ + device_initialize(&ap325rxa_ceu_device.dev); + arch_setup_pdev_archdata(&ap325rxa_ceu_device); + dma_declare_coherent_memory(&ap325rxa_ceu_device.dev, + ceu_dma_membase, ceu_dma_membase, + ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1, + DMA_MEMORY_EXCLUSIVE); + + platform_device_add(&ap325rxa_ceu_device); + return platform_add_devices(ap325rxa_devices, ARRAY_SIZE(ap325rxa_devices)); } @@ -689,7 +551,21 @@ static int ap325rxa_mode_pins(void) return MODE_PIN5 | MODE_PIN8; } +/* Reserve a portion of memory for CEU buffers */ +static void __init ap325rxa_mv_mem_reserve(void) +{ + phys_addr_t phys; + phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; + + phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + memblock_free(phys, size); + memblock_remove(phys, size); + + ceu_dma_membase = phys; +} + static struct sh_machine_vector mv_ap325rxa __initmv = { .mv_name = "AP-325RXA", .mv_mode_pins = ap325rxa_mode_pins, + .mv_mem_reserve = ap325rxa_mv_mem_reserve, }; 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