Djam/u-boot
1
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2025-05-01 00:45:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

video: tegra20: dc: use nvidia,head property to identify DC controller

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

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
This commit is contained in:
Svyatoslav Ryhel 2024-05-14 09:05:00 +03:00
parent 9ebb154923
commit 317a6f99fe
2 changed files with 3 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/video/tegra20/tegra-dc.c
View file

@ -49,7 +49,7 @@ struct tegra_lcd_priv {
int dc_clk[2]; /* Contains clk and its parent */ int dc_clk[2]; /* Contains clk and its parent */
ulong scdiv; /* Clock divider used by disp_clk_ctrl */ ulong scdiv; /* Clock divider used by disp_clk_ctrl */
bool rotation; /* 180 degree panel turn */ 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 { enum {
@ -461,9 +461,7 @@ static int tegra_lcd_of_to_plat(struct udevice *dev)
} }
priv->rotation = dev_read_bool(dev, "nvidia,180-rotation"); priv->rotation = dev_read_bool(dev, "nvidia,180-rotation");
priv->pipe = dev_read_u32_default(dev, "nvidia,head", 0);
if (!strcmp(dev->name, TEGRA_DC_B))
priv->pipe = 1;
rgb = fdt_subnode_offset(blob, node, "rgb"); rgb = fdt_subnode_offset(blob, node, "rgb");
if (rgb < 0) { if (rgb < 0) {

4
drivers/video/tegra20/tegra-dc.h
View file

@ -14,15 +14,13 @@
/* arch-tegra/dc exists only because T124 uses it */ /* arch-tegra/dc exists only because T124 uses it */
#include <asm/arch-tegra/dc.h> #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_A "dsi@54300000"
#define TEGRA_DSI_B "dsi@54400000" #define TEGRA_DSI_B "dsi@54400000"
struct tegra_dc_plat { struct tegra_dc_plat {
struct udevice *dev; /* Display controller device */ struct udevice *dev; /* Display controller device */
struct dc_ctlr *dc; /* Display controller regmap */ 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 */ ulong scdiv; /* Shift clock divider */
}; };