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drm/tegra: dsi: Add Tegra210 support

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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>
This commit is contained in:
Thierry Reding 2015-04-08 16:56:22 +02:00
parent c06c793084
commit ddfb406b2f
3 changed files with 10 additions and 0 deletions
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1
drivers/gpu/drm/tegra/drm.c
View file

@ -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 */ }
};

5
drivers/gpu/drm/tegra/dsi.c
View file

@ -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", },

4
drivers/gpu/drm/tegra/dsi.h
View file

@ -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)