Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ddfb406b authored by Thierry Reding's avatar Thierry Reding
Browse files

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: default avatarThierry Reding <treding@nvidia.com>
parent c06c7930

drivers/gpu/drm/tegra/drm.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -1059,6 +1059,7 @@ static const struct of_device_id host1x_drm_subdevs[] = { 
	{ .compatible = "nvidia,tegra124-dsi", },

	{ .compatible = "nvidia,tegra124-dsi", },

	{ .compatible = "nvidia,tegra132-dsi", },

	{ .compatible = "nvidia,tegra132-dsi", },

	{ .compatible = "nvidia,tegra210-dc", },

	{ .compatible = "nvidia,tegra210-dc", },

	{ .compatible = "nvidia,tegra210-dsi", },

	{ /* sentinel */ }

	{ /* sentinel */ }

};

};

drivers/gpu/drm/tegra/dsi.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -997,6 +997,10 @@ static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi) 
		DSI_PAD_OUT_CLK(0x0);

		DSI_PAD_OUT_CLK(0x0);

	tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_2);

	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);

	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[] = {

static const struct of_device_id tegra_dsi_of_match[] = {

	{ .compatible = "nvidia,tegra210-dsi", },

	{ .compatible = "nvidia,tegra132-dsi", },

	{ .compatible = "nvidia,tegra132-dsi", },

	{ .compatible = "nvidia,tegra124-dsi", },

	{ .compatible = "nvidia,tegra124-dsi", },

	{ .compatible = "nvidia,tegra114-dsi", },

	{ .compatible = "nvidia,tegra114-dsi", },

drivers/gpu/drm/tegra/dsi.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -113,6 +113,10 @@ 
#define DSI_PAD_SLEW_DN(x)		(((x) & 0x7) << 12)

#define DSI_PAD_SLEW_DN(x)		(((x) & 0x7) << 12)

#define DSI_PAD_SLEW_UP(x)		(((x) & 0x7) << 16)

#define DSI_PAD_SLEW_UP(x)		(((x) & 0x7) << 16)

#define DSI_PAD_CONTROL_3		0x51

#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_PAD_CONTROL_4		0x52

#define DSI_GANGED_MODE_CONTROL		0x53

#define DSI_GANGED_MODE_CONTROL		0x53

#define DSI_GANGED_MODE_CONTROL_ENABLE	(1 << 0)

#define DSI_GANGED_MODE_CONTROL_ENABLE	(1 << 0)