diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-zoom-display.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-zoom-display.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c deleted file mode 100644 index 6bcd43657ae..00000000000 --- a/arch/arm/mach-omap2/board-zoom-display.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (C) 2010 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/mcspi.h> -#include <plat/display.h> - -#define LCD_PANEL_RESET_GPIO_PROD 96 -#define LCD_PANEL_RESET_GPIO_PILOT 55 -#define LCD_PANEL_QVGA_GPIO 56 - -static void zoom_lcd_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); - - return; -err0: - gpio_free(lcd_panel_reset_gpio); -} - -static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - return 0; -} - -static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev) -{ -} - -/* - * PWMA/B register offsets (TWL4030_MODULE_PWMA) - */ -#define TWL_INTBR_PMBR1 0xD -#define TWL_INTBR_GPBR1 0xC -#define TWL_LED_PWMON 0x0 -#define TWL_LED_PWMOFF 0x1 - -static int zoom_set_bl_intensity(struct omap_dss_device *dssdev, int level) -{ - unsigned char c; - u8 mux_pwm, enb_pwm; - - if (level > 100) - return -1; - - twl_i2c_read_u8(TWL4030_MODULE_INTBR, &mux_pwm, TWL_INTBR_PMBR1); - twl_i2c_read_u8(TWL4030_MODULE_INTBR, &enb_pwm, TWL_INTBR_GPBR1); - - if (level == 0) { - /* disable pwm1 output and clock */ - enb_pwm = enb_pwm & 0xF5; - /* change pwm1 pin to gpio pin */ - mux_pwm = mux_pwm & 0xCF; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - enb_pwm, TWL_INTBR_GPBR1); - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - mux_pwm, TWL_INTBR_PMBR1); - return 0; - } - - if (!((enb_pwm & 0xA) && (mux_pwm & 0x30))) { - /* change gpio pin to pwm1 pin */ - mux_pwm = mux_pwm | 0x30; - /* enable pwm1 output and clock*/ - enb_pwm = enb_pwm | 0x0A; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - mux_pwm, TWL_INTBR_PMBR1); - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - enb_pwm, TWL_INTBR_GPBR1); - } - - c = ((50 * (100 - level)) / 100) + 1; - twl_i2c_write_u8(TWL4030_MODULE_PWM1, 0x7F, TWL_LED_PWMOFF); - twl_i2c_write_u8(TWL4030_MODULE_PWM1, c, TWL_LED_PWMON); - - return 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, - .max_backlight_level = 100, - .set_backlight = zoom_set_bl_intensity, -}; - -static struct omap_dss_device *zoom_dss_devices[] = { - &zoom_lcd_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(void) -{ - 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_panel_init(); -} - |