mirror of https://gitee.com/openkylin/linux.git
OMAP: Enable DSS2 for OMAP3EVM board
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> [tomi.valkeinen@nokia.com: removed evm defconfig changes] Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
This commit is contained in:
Vaibhav Hiremath
Tomi Valkeinen
parent
29275254ca
commit
703e3061a0
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@ -41,6 +41,7 @@
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#include <plat/usb.h>
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#include <plat/common.h>
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#include <plat/mcspi.h>
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#include <plat/display.h>
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#include "mux.h"
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#include "sdram-micron-mt46h32m32lf-6.h"
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@ -147,6 +148,187 @@ static inline void __init omap3evm_init_smsc911x(void)
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static inline void __init omap3evm_init_smsc911x(void) { return; }
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#endif
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/*
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* OMAP3EVM LCD Panel control signals
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*/
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#define OMAP3EVM_LCD_PANEL_LR 2
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#define OMAP3EVM_LCD_PANEL_UD 3
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#define OMAP3EVM_LCD_PANEL_INI 152
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#define OMAP3EVM_LCD_PANEL_ENVDD 153
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#define OMAP3EVM_LCD_PANEL_QVGA 154
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#define OMAP3EVM_LCD_PANEL_RESB 155
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#define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
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#define OMAP3EVM_DVI_PANEL_EN_GPIO 199
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static int lcd_enabled;
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static int dvi_enabled;
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static void __init omap3_evm_display_init(void)
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{
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int r;
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r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
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if (r) {
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printk(KERN_ERR "failed to get lcd_panel_resb\n");
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return;
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}
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gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);
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r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
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if (r) {
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printk(KERN_ERR "failed to get lcd_panel_ini\n");
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goto err_1;
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}
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gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);
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r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
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if (r) {
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printk(KERN_ERR "failed to get lcd_panel_qvga\n");
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goto err_2;
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}
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gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);
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r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
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if (r) {
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printk(KERN_ERR "failed to get lcd_panel_lr\n");
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goto err_3;
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}
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gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);
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r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
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if (r) {
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printk(KERN_ERR "failed to get lcd_panel_ud\n");
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goto err_4;
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}
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gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);
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r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
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if (r) {
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printk(KERN_ERR "failed to get lcd_panel_envdd\n");
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goto err_5;
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}
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gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);
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return;
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err_5:
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gpio_free(OMAP3EVM_LCD_PANEL_UD);
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err_4:
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gpio_free(OMAP3EVM_LCD_PANEL_LR);
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err_3:
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gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
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err_2:
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gpio_free(OMAP3EVM_LCD_PANEL_INI);
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err_1:
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gpio_free(OMAP3EVM_LCD_PANEL_RESB);
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}
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static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
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{
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if (dvi_enabled) {
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printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
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return -EINVAL;
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}
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gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);
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if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
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gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
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else
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gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
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lcd_enabled = 1;
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return 0;
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}
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static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
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{
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gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);
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if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
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gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
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else
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gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
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lcd_enabled = 0;
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}
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static struct omap_dss_device omap3_evm_lcd_device = {
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.name = "lcd",
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.driver_name = "sharp_ls_panel",
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.type = OMAP_DISPLAY_TYPE_DPI,
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.phy.dpi.data_lines = 18,
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.platform_enable = omap3_evm_enable_lcd,
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.platform_disable = omap3_evm_disable_lcd,
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};
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static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
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{
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return 0;
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}
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static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
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{
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}
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static struct omap_dss_device omap3_evm_tv_device = {
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.name = "tv",
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.driver_name = "venc",
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.type = OMAP_DISPLAY_TYPE_VENC,
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.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
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.platform_enable = omap3_evm_enable_tv,
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.platform_disable = omap3_evm_disable_tv,
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};
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static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
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{
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if (lcd_enabled) {
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printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
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return -EINVAL;
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}
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gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);
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dvi_enabled = 1;
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return 0;
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}
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static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
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{
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gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);
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dvi_enabled = 0;
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}
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static struct omap_dss_device omap3_evm_dvi_device = {
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.name = "dvi",
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.driver_name = "generic_panel",
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.type = OMAP_DISPLAY_TYPE_DPI,
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.phy.dpi.data_lines = 24,
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.platform_enable = omap3_evm_enable_dvi,
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.platform_disable = omap3_evm_disable_dvi,
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};
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static struct omap_dss_device *omap3_evm_dss_devices[] = {
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&omap3_evm_lcd_device,
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&omap3_evm_tv_device,
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&omap3_evm_dvi_device,
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};
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static struct omap_dss_board_info omap3_evm_dss_data = {
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.num_devices = ARRAY_SIZE(omap3_evm_dss_devices),
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.devices = omap3_evm_dss_devices,
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.default_device = &omap3_evm_lcd_device,
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};
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static struct platform_device omap3_evm_dss_device = {
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.name = "omapdss",
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.id = -1,
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.dev = {
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.platform_data = &omap3_evm_dss_data,
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},
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};
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static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
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.supply = "vmmc",
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};
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@ -236,6 +418,14 @@ static int omap3evm_twl_gpio_setup(struct device *dev,
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* the P2 connector; notably LEDA for the LCD backlight.
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*/
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/* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
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gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
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gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
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/* gpio + 7 == DVI Enable */
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gpio_request(gpio + 7, "EN_DVI");
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gpio_direction_output(gpio + 7, 0);
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/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
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gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
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@ -300,6 +490,47 @@ static struct twl4030_codec_data omap3evm_codec_data = {
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.audio = &omap3evm_audio_data,
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};
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static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = {
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.supply = "vdda_dac",
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.dev = &omap3_evm_dss_device.dev,
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};
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/* VDAC for DSS driving S-Video */
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static struct regulator_init_data omap3_evm_vdac = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &omap3_evm_vdda_dac_supply,
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};
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/* VPLL2 for digital video outputs */
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static struct regulator_consumer_supply omap3_evm_vpll2_supply = {
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.supply = "vdvi",
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.dev = &omap3_evm_lcd_device.dev,
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};
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static struct regulator_init_data omap3_evm_vpll2 = {
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.constraints = {
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.name = "VDVI",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &omap3_evm_vpll2_supply,
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};
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static struct twl4030_platform_data omap3evm_twldata = {
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.irq_base = TWL4030_IRQ_BASE,
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.irq_end = TWL4030_IRQ_END,
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@ -310,6 +541,8 @@ static struct twl4030_platform_data omap3evm_twldata = {
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.usb = &omap3evm_usb_data,
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.gpio = &omap3evm_gpio_data,
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.codec = &omap3evm_codec_data,
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.vdac = &omap3_evm_vdac,
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.vpll2 = &omap3_evm_vpll2,
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};
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static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
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@ -337,15 +570,6 @@ static int __init omap3_evm_i2c_init(void)
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return 0;
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}
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static struct platform_device omap3_evm_lcd_device = {
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.name = "omap3evm_lcd",
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.id = -1,
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};
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static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static void ads7846_dev_init(void)
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{
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if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
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@ -393,7 +617,6 @@ struct spi_board_info omap3evm_spi_board_info[] = {
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};
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static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
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{ OMAP_TAG_LCD, &omap3_evm_lcd_config },
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};
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static void __init omap3_evm_init_irq(void)
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@ -406,7 +629,7 @@ static void __init omap3_evm_init_irq(void)
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}
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static struct platform_device *omap3_evm_devices[] __initdata = {
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&omap3_evm_lcd_device,
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&omap3_evm_dss_device,
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};
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static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
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@ -473,6 +696,7 @@ static void __init omap3_evm_init(void)
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usb_ehci_init(&ehci_pdata);
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ads7846_dev_init();
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omap3evm_init_smsc911x();
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omap3_evm_display_init();
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}
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static void __init omap3_evm_map_io(void)
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