Use existing nvidia,head device tree property to get DC controller id.

Signed-off-by: Svyatoslav Ryhel clamor95@gmail.com --- drivers/video/tegra20/tegra-dc.c | 6 ++---- drivers/video/tegra20/tegra-dc.h | 4 +--- 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/video/tegra20/tegra-dc.c b/drivers/video/tegra20/tegra-dc.c index d073da7d7d..accabbf4db 100644 --- a/drivers/video/tegra20/tegra-dc.c +++ b/drivers/video/tegra20/tegra-dc.c @@ -49,7 +49,7 @@ struct tegra_lcd_priv { int dc_clk[2]; /* Contains clk and its parent */ ulong scdiv; /* Clock divider used by disp_clk_ctrl */ bool rotation; /* 180 degree panel turn */ - bool pipe; /* DC controller: 0 for A, 1 for B */ + int pipe; /* DC controller: 0 for A, 1 for B */ };

enum { @@ -461,9 +461,7 @@ static int tegra_lcd_of_to_plat(struct udevice *dev) }

priv->rotation = dev_read_bool(dev, "nvidia,180-rotation"); - - if (!strcmp(dev->name, TEGRA_DC_B)) - priv->pipe = 1; + priv->pipe = dev_read_u32_default(dev, "nvidia,head", 0);

rgb = fdt_subnode_offset(blob, node, "rgb"); if (rgb < 0) { diff --git a/drivers/video/tegra20/tegra-dc.h b/drivers/video/tegra20/tegra-dc.h index 05042dab1c..7d0c189ec8 100644 --- a/drivers/video/tegra20/tegra-dc.h +++ b/drivers/video/tegra20/tegra-dc.h @@ -14,15 +14,13 @@ /* arch-tegra/dc exists only because T124 uses it */ #include <asm/arch-tegra/dc.h>

-#define TEGRA_DC_A "dc@54200000" -#define TEGRA_DC_B "dc@54240000" #define TEGRA_DSI_A "dsi@54300000" #define TEGRA_DSI_B "dsi@54400000"

struct tegra_dc_plat { struct udevice *dev; /* Display controller device */ struct dc_ctlr *dc; /* Display controller regmap */ - bool pipe; /* DC number: 0 for A, 1 for B */ + int pipe; /* DC number: 0 for A, 1 for B */ ulong scdiv; /* Shift clock divider */ };