diff options
Diffstat (limited to 'drivers/video/tegra20/tegra-pwm-backlight.c')
| -rw-r--r-- | drivers/video/tegra20/tegra-pwm-backlight.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/video/tegra20/tegra-pwm-backlight.c b/drivers/video/tegra20/tegra-pwm-backlight.c index 79d8a021a3a..998f0df1991 100644 --- a/drivers/video/tegra20/tegra-pwm-backlight.c +++ b/drivers/video/tegra20/tegra-pwm-backlight.c @@ -17,9 +17,6 @@ #include "tegra-dc.h" -#define TEGRA_DISPLAY_A_BASE 0x54200000 -#define TEGRA_DISPLAY_B_BASE 0x54240000 - #define TEGRA_PWM_BL_MIN_BRIGHTNESS 0x10 #define TEGRA_PWM_BL_MAX_BRIGHTNESS 0xFF @@ -106,14 +103,11 @@ static int tegra_pwm_backlight_enable(struct udevice *dev) static int tegra_pwm_backlight_probe(struct udevice *dev) { struct tegra_pwm_backlight_priv *priv = dev_get_priv(dev); + ofnode dc = ofnode_get_parent(dev_ofnode(dev)); - if (dev_read_bool(dev, "nvidia,display-b-base")) - priv->dc = (struct dc_ctlr *)TEGRA_DISPLAY_B_BASE; - else - priv->dc = (struct dc_ctlr *)TEGRA_DISPLAY_A_BASE; - + priv->dc = (struct dc_ctlr *)ofnode_get_addr(dc); if (!priv->dc) { - log_err("no display controller address\n"); + log_err("%s: failed to get DC controller\n", __func__); return -EINVAL; } |