ARM: EXYNOS4: Add support for M-5MOLS camera on Nuri board

Add voltage regulator and platform data definition for M-5MOLS sensor
and MIPI-CSI receiver drivers. Add CAM power domain dependencies for
FIMC device and set up camera port A GPIO. Configure I2C0 bus timings.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: HeungJun Kim <riverful.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index d7491e1..4924838 100644 (file)
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -215,6 +215,7 @@ config MACH_UNIVERSAL_C210
 config MACH_NURI
        bool "Mobile NURI Board"
        select CPU_EXYNOS4210
+       select S5P_GPIO_INT
        select S3C_DEV_WDT
        select S3C_DEV_RTC
        select S5P_DEV_FIMD0
@@ -224,15 +225,23 @@ config MACH_NURI
        select S3C_DEV_I2C1
        select S3C_DEV_I2C3
        select S3C_DEV_I2C5
+       select S5P_DEV_CSIS0
+       select S5P_DEV_FIMC0
+       select S5P_DEV_FIMC1
+       select S5P_DEV_FIMC2
+       select S5P_DEV_FIMC3
        select S5P_DEV_MFC
        select S5P_DEV_USB_EHCI
+       select S5P_SETUP_MIPIPHY
        select EXYNOS4_DEV_PD
+       select EXYNOS4_SETUP_FIMC
        select EXYNOS4_SETUP_FIMD0
        select EXYNOS4_SETUP_I2C1
        select EXYNOS4_SETUP_I2C3
        select EXYNOS4_SETUP_I2C5
        select EXYNOS4_SETUP_SDHCI
        select EXYNOS4_SETUP_USB_PHY
+       select S5P_SETUP_MIPIPHY
        select SAMSUNG_DEV_PWM
        select SAMSUNG_DEV_ADC
        help

diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
index 20932ec..816a502 100644 (file)
--- a/arch/arm/mach-exynos4/mach-nuri.c
+++ b/arch/arm/mach-exynos4/mach-nuri.c
@@ -27,6 +27,9 @@
 #include <linux/pwm_backlight.h>
 
 #include <video/platform_lcd.h>
+#include <media/m5mols.h>
+#include <media/s5p_fimc.h>
+#include <media/v4l2-mediabus.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -45,6 +48,9 @@
 #include <plat/iic.h>
 #include <plat/mfc.h>
 #include <plat/pd.h>
+#include <plat/fimc-core.h>
+#include <plat/camport.h>
+#include <plat/mipi_csis.h>
 
 #include <mach/map.h>
 
@@ -65,6 +71,8 @@
 enum fixed_regulator_id {
        FIXED_REG_ID_MMC = 0,
        FIXED_REG_ID_MAX8903,
+       FIXED_REG_ID_CAM_A28V,
+       FIXED_REG_ID_CAM_12V,
 };
 
 static struct s3c2410_uartcfg nuri_uartcfgs[] __initdata = {
@@ -1110,10 +1118,140 @@ static void __init nuri_ehci_init(void)
        s5p_ehci_set_platdata(pdata);
 }
 
+/* CAMERA */
+static struct regulator_consumer_supply cam_vdda_supply[] = {
+       REGULATOR_SUPPLY("a_sensor", "0-001f"),
+};
+
+static struct regulator_init_data cam_vdda_reg_init_data = {
+       .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS },
+       .num_consumer_supplies = ARRAY_SIZE(cam_vdda_supply),
+       .consumer_supplies = cam_vdda_supply,
+};
+
+static struct fixed_voltage_config cam_vdda_fixed_voltage_cfg = {
+       .supply_name    = "CAM_IO_EN",
+       .microvolts     = 2800000,
+       .gpio           = EXYNOS4_GPE2(1), /* CAM_IO_EN */
+       .enable_high    = 1,
+       .init_data      = &cam_vdda_reg_init_data,
+};
+
+static struct platform_device cam_vdda_fixed_rdev = {
+       .name = "reg-fixed-voltage", .id = FIXED_REG_ID_CAM_A28V,
+       .dev = { .platform_data = &cam_vdda_fixed_voltage_cfg },
+};
+
+static struct regulator_consumer_supply camera_8m_12v_supply =
+       REGULATOR_SUPPLY("dig_12", "0-001f");
+
+static struct regulator_init_data cam_8m_12v_reg_init_data = {
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &camera_8m_12v_supply,
+       .constraints = {
+               .valid_ops_mask = REGULATOR_CHANGE_STATUS
+       },
+};
+
+static struct fixed_voltage_config cam_8m_12v_fixed_voltage_cfg = {
+       .supply_name    = "8M_1.2V",
+       .microvolts     = 1200000,
+       .gpio           = EXYNOS4_GPE2(5), /* 8M_1.2V_EN */
+       .enable_high    = 1,
+       .init_data      = &cam_8m_12v_reg_init_data,
+};
+
+static struct platform_device cam_8m_12v_fixed_rdev = {
+       .name = "reg-fixed-voltage", .id = FIXED_REG_ID_CAM_12V,
+       .dev = { .platform_data = &cam_8m_12v_fixed_voltage_cfg },
+};
+
+static struct s5p_platform_mipi_csis mipi_csis_platdata = {
+       .clk_rate       = 166000000UL,
+       .lanes          = 2,
+       .alignment      = 32,
+       .hs_settle      = 12,
+       .phy_enable     = s5p_csis_phy_enable,
+};
+
+#define GPIO_CAM_MEGA_RST      EXYNOS4_GPY3(7) /* ISP_RESET */
+#define GPIO_CAM_8M_ISP_INT    EXYNOS4_GPL2(5)
+
+static struct m5mols_platform_data m5mols_platdata = {
+       .gpio_reset = GPIO_CAM_MEGA_RST,
+};
+
+static struct i2c_board_info m5mols_board_info = {
+       I2C_BOARD_INFO("M5MOLS", 0x1F),
+       .platform_data  = &m5mols_platdata,
+};
+
+static struct s5p_fimc_isp_info nuri_camera_sensors[] = {
+       {
+               .flags          = V4L2_MBUS_PCLK_SAMPLE_FALLING |
+                                 V4L2_MBUS_VSYNC_ACTIVE_LOW,
+               .bus_type       = FIMC_MIPI_CSI2,
+               .board_info     = &m5mols_board_info,
+               .clk_frequency  = 24000000UL,
+               .csi_data_align = 32,
+       },
+};
+
+static struct s5p_platform_fimc fimc_md_platdata = {
+       .isp_info       = nuri_camera_sensors,
+       .num_clients    = ARRAY_SIZE(nuri_camera_sensors),
+};
+
+static struct gpio nuri_camera_gpios[] = {
+       { GPIO_CAM_8M_ISP_INT,  GPIOF_IN,           "8M_ISP_INT"  },
+       { GPIO_CAM_MEGA_RST,    GPIOF_OUT_INIT_LOW, "CAM_8M_NRST" },
+};
+
+static void nuri_camera_init(void)
+{
+       s3c_set_platdata(&mipi_csis_platdata, sizeof(mipi_csis_platdata),
+                        &s5p_device_mipi_csis0);
+       s3c_set_platdata(&fimc_md_platdata,  sizeof(fimc_md_platdata),
+                        &s5p_device_fimc_md);
+
+       if (gpio_request_array(nuri_camera_gpios,
+                              ARRAY_SIZE(nuri_camera_gpios))) {
+               pr_err("%s: GPIO request failed\n", __func__);
+               return;
+       }
+
+       m5mols_board_info.irq = s5p_register_gpio_interrupt(GPIO_CAM_8M_ISP_INT);
+       if (!IS_ERR_VALUE(m5mols_board_info.irq))
+               s3c_gpio_cfgpin(GPIO_CAM_8M_ISP_INT, S3C_GPIO_SFN(0xF));
+       else
+               pr_err("%s: Failed to configure 8M_ISP_INT GPIO\n", __func__);
+
+       /* Free GPIOs controlled directly by the sensor drivers. */
+       gpio_free(GPIO_CAM_MEGA_RST);
+
+       if (exynos4_fimc_setup_gpio(S5P_CAMPORT_A)) {
+               pr_err("%s: Camera port A setup failed\n", __func__);
+               return;
+       }
+       /* Increase drive strength of the sensor clock output */
+       s5p_gpio_set_drvstr(EXYNOS4_GPJ1(3), S5P_GPIO_DRVSTR_LV4);
+}
+
+static struct s3c2410_platform_i2c nuri_i2c0_platdata __initdata = {
+       .frequency      = 400000U,
+       .sda_delay      = 200,
+};
+
 static struct platform_device *nuri_devices[] __initdata = {
        /* Samsung Platform Devices */
        &s3c_device_i2c5, /* PMIC should initialize first */
+       &s3c_device_i2c0,
        &emmc_fixed_voltage,
+       &s5p_device_mipi_csis0,
+       &s5p_device_fimc0,
+       &s5p_device_fimc1,
+       &s5p_device_fimc2,
+       &s5p_device_fimc3,
        &s5p_device_fimd0,
        &s3c_device_hsmmc0,
        &s3c_device_hsmmc2,
@@ -1130,6 +1268,8 @@ static struct platform_device *nuri_devices[] __initdata = {
        &s5p_device_mfc_r,
        &exynos4_device_pd[PD_MFC],
        &exynos4_device_pd[PD_LCD0],
+       &exynos4_device_pd[PD_CAM],
+       &s5p_device_fimc_md,
 
        /* NURI Devices */
        &nuri_gpio_keys,
@@ -1137,6 +1277,8 @@ static struct platform_device *nuri_devices[] __initdata = {
        &nuri_backlight_device,
        &max8903_fixed_reg_dev,
        &nuri_max8903_device,
+       &cam_vdda_fixed_rdev,
+       &cam_8m_12v_fixed_rdev,
 };
 
 static void __init nuri_map_io(void)
@@ -1157,6 +1299,7 @@ static void __init nuri_machine_init(void)
        nuri_tsp_init();
        nuri_power_init();
 
+       s3c_i2c0_set_platdata(&nuri_i2c0_platdata);
        i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
        s3c_i2c3_set_platdata(&i2c3_data);
        i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs));
@@ -1168,6 +1311,8 @@ static void __init nuri_machine_init(void)
 
        s5p_fimd0_set_platdata(&nuri_fb_pdata);
 
+       nuri_camera_init();
+
        nuri_ehci_init();
        clk_xusbxti.rate = 24000000;
 
@@ -1175,6 +1320,12 @@ static void __init nuri_machine_init(void)
        platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices));
        s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev;
        s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev;
+
+       s5p_device_fimc0.dev.parent = &exynos4_device_pd[PD_CAM].dev;
+       s5p_device_fimc1.dev.parent = &exynos4_device_pd[PD_CAM].dev;
+       s5p_device_fimc2.dev.parent = &exynos4_device_pd[PD_CAM].dev;
+       s5p_device_fimc3.dev.parent = &exynos4_device_pd[PD_CAM].dev;
+       s5p_device_mipi_csis0.dev.parent = &exynos4_device_pd[PD_CAM].dev;
 }
 
 MACHINE_START(NURI, "NURI")