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| author | Thierry Reding <treding@nvidia.com> | 2015-04-08 16:56:22 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2015-08-13 13:47:45 +0200 |
| commit | ddfb406b2f9f83e85734e43d043cdd1b2519df13 (patch) | |
| tree | 9beb327415605c30fedb774f83d4e614b92db30b | |
| parent | c06c793084ecf62e77361e671465214a196a2f55 (diff) | |
| download | linux-ddfb406b2f9f83e85734e43d043cdd1b2519df13.tar.bz2 | |
drm/tegra: dsi: Add Tegra210 support
The DSI host controller hasn't changed from Tegra132 to Tegra210, but
different characterization parameters may be required.
Signed-off-by: Thierry Reding <treding@nvidia.com>
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/dsi.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/dsi.h | 4 |
3 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 3b8988258188..1993ab90226a 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -1059,6 +1059,7 @@ static const struct of_device_id host1x_drm_subdevs[] = { { .compatible = "nvidia,tegra124-dsi", }, { .compatible = "nvidia,tegra132-dsi", }, { .compatible = "nvidia,tegra210-dc", }, + { .compatible = "nvidia,tegra210-dsi", }, { /* sentinel */ } }; diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index bc0dbf4dc776..eced05f09edc 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -997,6 +997,10 @@ static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi) DSI_PAD_OUT_CLK(0x0); tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_2); + value = DSI_PAD_PREEMP_PD_CLK(0x3) | DSI_PAD_PREEMP_PU_CLK(0x3) | + DSI_PAD_PREEMP_PD(0x03) | DSI_PAD_PREEMP_PU(0x3); + tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_3); + return tegra_mipi_calibrate(dsi->mipi); } @@ -1626,6 +1630,7 @@ static int tegra_dsi_remove(struct platform_device *pdev) } static const struct of_device_id tegra_dsi_of_match[] = { + { .compatible = "nvidia,tegra210-dsi", }, { .compatible = "nvidia,tegra132-dsi", }, { .compatible = "nvidia,tegra124-dsi", }, { .compatible = "nvidia,tegra114-dsi", }, diff --git a/drivers/gpu/drm/tegra/dsi.h b/drivers/gpu/drm/tegra/dsi.h index bad1006a5150..219263615399 100644 --- a/drivers/gpu/drm/tegra/dsi.h +++ b/drivers/gpu/drm/tegra/dsi.h @@ -113,6 +113,10 @@ #define DSI_PAD_SLEW_DN(x) (((x) & 0x7) << 12) #define DSI_PAD_SLEW_UP(x) (((x) & 0x7) << 16) #define DSI_PAD_CONTROL_3 0x51 +#define DSI_PAD_PREEMP_PD_CLK(x) (((x) & 0x3) << 12) +#define DSI_PAD_PREEMP_PU_CLK(x) (((x) & 0x3) << 8) +#define DSI_PAD_PREEMP_PD(x) (((x) & 0x3) << 4) +#define DSI_PAD_PREEMP_PU(x) (((x) & 0x3) << 0) #define DSI_PAD_CONTROL_4 0x52 #define DSI_GANGED_MODE_CONTROL 0x53 #define DSI_GANGED_MODE_CONTROL_ENABLE (1 << 0) |