From: Kishore Y <[email protected]> board-zoom-display.c added as a common file for display fucntionality on boards zoom2, zoom3 and 3630sdp
Signed-off-by: Mukund Mittal <[email protected]> Signed-off-by: Kishore Y <[email protected]> Reviewed-by: Gadiyar, Anand <[email protected]> --- arch/arm/mach-omap2/Makefile | 3 + arch/arm/mach-omap2/board-zoom-display.c | 185 +++++++++++++++++++++++++ arch/arm/mach-omap2/board-zoom-peripherals.c | 36 +++++ arch/arm/mach-omap2/include/mach/board-zoom.h | 3 + 4 files changed, 227 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-omap2/board-zoom-display.c diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index b32678b..3dbe694 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -91,14 +91,17 @@ obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \ board-rx51-peripherals.o \ mmc-twl4030.o obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \ + board-zoom-display.o \ board-zoom-peripherals.o \ mmc-twl4030.o \ board-zoom-debugboard.o obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \ + board-zoom-display.o \ board-zoom-peripherals.o \ mmc-twl4030.o \ board-zoom-debugboard.o obj-$(CONFIG_MACH_OMAP_3630SDP) += board-3630sdp.o \ + board-zoom-display.o \ board-zoom-peripherals.o \ mmc-twl4030.o obj-$(CONFIG_MACH_CM_T35) += board-cm-t35.o \ diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c new file mode 100644 index 0000000..fc5851f --- /dev/null +++ b/arch/arm/mach-omap2/board-zoom-display.c @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2009 Texas Instruments Inc. + * + * Modified from mach-omap2/board-zoom-peripherals.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/i2c/twl.h> +#include <linux/spi/spi.h> +#include <plat/common.h> +#include <plat/control.h> +#include <plat/mcspi.h> +#include <plat/display.h> + +#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES) +#define LCD_PANEL_RESET_GPIO_PROD 96 +#define LCD_PANEL_RESET_GPIO_PILOT 55 +#define LCD_PANEL_QVGA_GPIO 56 +#define TV_PANEL_ENABLE_GPIO 95 + +struct zoom_dss_board_info { + int gpio_flag; +}; + +static void zoom_lcd_tv_panel_init(void) +{ + int ret; + unsigned char lcd_panel_reset_gpio; + + lcd_panel_reset_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ? + LCD_PANEL_RESET_GPIO_PROD : + LCD_PANEL_RESET_GPIO_PILOT; + + ret = gpio_request(lcd_panel_reset_gpio, "lcd reset"); + if (ret) { + pr_err("Failed to get LCD reset GPIO (gpio%d)\n", + lcd_panel_reset_gpio); + return; + } + gpio_direction_output(lcd_panel_reset_gpio, 1); + + ret = gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga"); + if (ret) { + pr_err("Failed to get LCD_PANEL_QVGA_GPIO (gpio%d).\n", + LCD_PANEL_QVGA_GPIO); + goto err0; + } + gpio_direction_output(LCD_PANEL_QVGA_GPIO, 1); + + ret = gpio_request(TV_PANEL_ENABLE_GPIO, "tv panel"); + if (ret) { + pr_err("Failed to get TV_PANEL_ENABLE_GPIO (gpio%d).\n", + TV_PANEL_ENABLE_GPIO); + goto err1; + } + gpio_direction_output(TV_PANEL_ENABLE_GPIO, 0); + + return; + +err1: + gpio_free(LCD_PANEL_QVGA_GPIO); +err0: + gpio_free(lcd_panel_reset_gpio); +} + +static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev) +{ + int ret; + struct zoom_dss_board_info *pdata; + + pdata = dssdev->dev.platform_data; + if (pdata->gpio_flag == 0) { + ret = gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd enable"); + if (ret) { + pr_err("Failed to get" + " LCD_PANEL_ENABLE_GPIO (gpio%d).\n", + LCD_PANEL_ENABLE_GPIO); + return ret; + } + gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1); + pdata->gpio_flag = 1; + } else { + gpio_set_value(LCD_PANEL_ENABLE_GPIO, 1); + } + + return 0; +} + +static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev) +{ + gpio_set_value(LCD_PANEL_ENABLE_GPIO, 0); +} + +static int zoom_panel_enable_tv(struct omap_dss_device *dssdev) +{ + gpio_set_value(TV_PANEL_ENABLE_GPIO, 0); + + return 0; +} + +static void zoom_panel_disable_tv(struct omap_dss_device *dssdev) +{ + gpio_set_value(TV_PANEL_ENABLE_GPIO, 1); +} + +static struct zoom_dss_board_info zoom_dss_lcd_data = { + .gpio_flag = 0, +}; + +static struct omap_dss_device zoom_lcd_device = { + .name = "lcd", + .driver_name = "NEC_8048_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 24, + .platform_enable = zoom_panel_enable_lcd, + .platform_disable = zoom_panel_disable_lcd, + .dev = { + .platform_data = &zoom_dss_lcd_data, + }, +}; + +static struct omap_dss_device zoom_tv_device = { + .name = "tv", + .driver_name = "venc", + .type = OMAP_DISPLAY_TYPE_VENC, + .phy.venc.type = -1, + .platform_enable = zoom_panel_enable_tv, + .platform_disable = zoom_panel_disable_tv, +}; + +static struct omap_dss_device *zoom_dss_devices[] = { + &zoom_lcd_device, + &zoom_tv_device, +}; + +static struct omap_dss_board_info zoom_dss_data = { + .num_devices = ARRAY_SIZE(zoom_dss_devices), + .devices = zoom_dss_devices, + .default_device = &zoom_lcd_device, +}; + +static struct platform_device zoom_dss_device = { + .name = "omapdss", + .id = -1, + .dev = { + .platform_data = &zoom_dss_data, + }, +}; + +static struct omap2_mcspi_device_config dss_lcd_mcspi_config = { + .turbo_mode = 1, + .single_channel = 1, /* 0: slave, 1: master */ +}; + +static struct spi_board_info nec_8048_spi_board_info[] __initdata = { + [0] = { + .modalias = "nec_8048_spi", + .bus_num = 1, + .chip_select = 2, + .max_speed_hz = 375000, + .controller_data = &dss_lcd_mcspi_config, + }, +}; + +static struct platform_device *zoom_display_devices[] __initdata = { + &zoom_dss_device, +}; + +void __init zoom_display_init(enum omap_dss_venc_type venc_type) +{ + zoom_tv_device.phy.venc.type = venc_type; + platform_add_devices(zoom_display_devices, + ARRAY_SIZE(zoom_display_devices)); + spi_register_board_info(nec_8048_spi_board_info, + ARRAY_SIZE(nec_8048_spi_board_info)); + zoom_lcd_tv_panel_init(); +} + diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c index 8dd277c..4145a40 100755 --- a/arch/arm/mach-omap2/board-zoom-peripherals.c +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c @@ -170,6 +170,40 @@ static struct twl4030_hsmmc_info mmc[] __initdata = { {} /* Terminator */ }; +static struct regulator_consumer_supply zoom_vpll2_supply = { + .supply = "vdds_dsi", +}; + +static struct regulator_consumer_supply zoom_vdda_dac_supply = { + .supply = "vdda_dac", +}; + +static struct regulator_init_data zoom_vpll2 = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &zoom_vpll2_supply, +}; + +static struct regulator_init_data zoom_vdac = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &zoom_vdda_dac_supply, +}; + static int zoom_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { @@ -242,6 +276,8 @@ static struct twl4030_platform_data zoom_twldata = { .vmmc1 = &zoom_vmmc1, .vmmc2 = &zoom_vmmc2, .vsim = &zoom_vsim, + .vpll2 = &zoom_vpll2, + .vdac = &zoom_vdac, }; diff --git a/arch/arm/mach-omap2/include/mach/board-zoom.h b/arch/arm/mach-omap2/include/mach/board-zoom.h index c93b29e..aec73b4 100644 --- a/arch/arm/mach-omap2/include/mach/board-zoom.h +++ b/arch/arm/mach-omap2/include/mach/board-zoom.h @@ -1,5 +1,8 @@ /* * Defines for zoom boards */ +#include <plat/display.h> + extern int __init zoom_debugboard_init(void); extern void __init zoom_peripherals_init(void); +extern void __init zoom_display_init(enum omap_dss_venc_type venc_type); -- 1.5.6.3 Regards, Kishore Y -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
