[U-Boot] [PATCH 13/21] dm: tegra: video: Remove use of fdtdec GPIO support
Simon Glass
sjg at chromium.org
Tue Jan 6 04:05:35 CET 2015
These functions are going away, so use the new uclass support instead.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
arch/arm/include/asm/arch-tegra20/display.h | 9 ++---
drivers/video/tegra.c | 54 +++++++++++------------------
2 files changed, 25 insertions(+), 38 deletions(-)
diff --git a/arch/arm/include/asm/arch-tegra20/display.h b/arch/arm/include/asm/arch-tegra20/display.h
index a04c84e..6feeda3 100644
--- a/arch/arm/include/asm/arch-tegra20/display.h
+++ b/arch/arm/include/asm/arch-tegra20/display.h
@@ -10,6 +10,7 @@
#include <asm/arch/dc.h>
#include <fdtdec.h>
+#include <asm/gpio.h>
/* This holds information about a window which can be displayed */
struct disp_ctl_win {
@@ -72,10 +73,10 @@ struct fdt_panel_config {
int pwm_channel; /* PWM channel to use for backlight */
enum lcd_cache_t cache_type;
- struct fdt_gpio_state backlight_en; /* GPIO for backlight enable */
- struct fdt_gpio_state lvds_shutdown; /* GPIO for lvds shutdown */
- struct fdt_gpio_state backlight_vdd; /* GPIO for backlight vdd */
- struct fdt_gpio_state panel_vdd; /* GPIO for panel vdd */
+ struct gpio_desc backlight_en; /* GPIO for backlight enable */
+ struct gpio_desc lvds_shutdown; /* GPIO for lvds shutdown */
+ struct gpio_desc backlight_vdd; /* GPIO for backlight vdd */
+ struct gpio_desc panel_vdd; /* GPIO for panel vdd */
/*
* Panel required timings
* Timing 1: delay between panel_vdd-rise and data-rise
diff --git a/drivers/video/tegra.c b/drivers/video/tegra.c
index 57cb007..b8f3431 100644
--- a/drivers/video/tegra.c
+++ b/drivers/video/tegra.c
@@ -149,14 +149,18 @@ static int fdt_decode_lcd(const void *blob, struct fdt_panel_config *config)
FDT_LCD_CACHE_WRITE_BACK_FLUSH);
/* These GPIOs are all optional */
- fdtdec_decode_gpio(blob, display_node, "nvidia,backlight-enable-gpios",
- &config->backlight_en);
- fdtdec_decode_gpio(blob, display_node, "nvidia,lvds-shutdown-gpios",
- &config->lvds_shutdown);
- fdtdec_decode_gpio(blob, display_node, "nvidia,backlight-vdd-gpios",
- &config->backlight_vdd);
- fdtdec_decode_gpio(blob, display_node, "nvidia,panel-vdd-gpios",
- &config->panel_vdd);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,backlight-enable-gpios", 0,
+ &config->backlight_en, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,lvds-shutdown-gpios", 0,
+ &config->lvds_shutdown, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,backlight-vdd-gpios", 0,
+ &config->backlight_vdd, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,panel-vdd-gpios", 0,
+ &config->panel_vdd, GPIOD_IS_OUT);
return fdtdec_get_int_array(blob, display_node, "nvidia,panel-timings",
config->panel_timings, FDT_LCD_TIMINGS);
@@ -196,36 +200,18 @@ static int handle_stage(const void *blob)
*/
funcmux_select(PERIPH_ID_DISP1, FUNCMUX_DEFAULT);
-
- fdtdec_setup_gpio(&config.panel_vdd);
- fdtdec_setup_gpio(&config.lvds_shutdown);
- fdtdec_setup_gpio(&config.backlight_vdd);
- fdtdec_setup_gpio(&config.backlight_en);
-
- /*
- * TODO: If fdt includes output flag we can omit this code
- * since fdtdec_setup_gpio will do it for us.
- */
- if (fdt_gpio_isvalid(&config.panel_vdd))
- gpio_direction_output(config.panel_vdd.gpio, 0);
- if (fdt_gpio_isvalid(&config.lvds_shutdown))
- gpio_direction_output(config.lvds_shutdown.gpio, 0);
- if (fdt_gpio_isvalid(&config.backlight_vdd))
- gpio_direction_output(config.backlight_vdd.gpio, 0);
- if (fdt_gpio_isvalid(&config.backlight_en))
- gpio_direction_output(config.backlight_en.gpio, 0);
break;
case STAGE_PANEL_VDD:
- if (fdt_gpio_isvalid(&config.panel_vdd))
- gpio_direction_output(config.panel_vdd.gpio, 1);
+ if (dm_gpio_is_valid(&config.panel_vdd))
+ dm_gpio_set_value(&config.panel_vdd, 1);
break;
case STAGE_LVDS:
- if (fdt_gpio_isvalid(&config.lvds_shutdown))
- gpio_set_value(config.lvds_shutdown.gpio, 1);
+ if (dm_gpio_is_valid(&config.lvds_shutdown))
+ dm_gpio_set_value(&config.lvds_shutdown, 1);
break;
case STAGE_BACKLIGHT_VDD:
- if (fdt_gpio_isvalid(&config.backlight_vdd))
- gpio_set_value(config.backlight_vdd.gpio, 1);
+ if (dm_gpio_is_valid(&config.backlight_vdd))
+ dm_gpio_set_value(&config.backlight_vdd, 1);
break;
case STAGE_PWM:
/* Enable PWM at 15/16 high, 32768 Hz with divider 1 */
@@ -235,8 +221,8 @@ static int handle_stage(const void *blob)
pwm_enable(config.pwm_channel, 32768, 0xdf, 1);
break;
case STAGE_BACKLIGHT_EN:
- if (fdt_gpio_isvalid(&config.backlight_en))
- gpio_set_value(config.backlight_en.gpio, 1);
+ if (dm_gpio_is_valid(&config.backlight_en))
+ dm_gpio_set_value(&config.backlight_en, 1);
break;
case STAGE_DONE:
break;
--
2.2.0.rc0.207.ga3a616c
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