During calibration, sets the "internal reference level for drive pull-down" to the value specified in the tegra TRM. Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx> --- Changes in v2: - Added field definition for PAD_DRV_DN_REF drivers/gpu/host1x/mipi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/host1x/mipi.c b/drivers/gpu/host1x/mipi.c index e017f7f..c7d6819 100644 --- a/drivers/gpu/host1x/mipi.c +++ b/drivers/gpu/host1x/mipi.c @@ -67,6 +67,7 @@ #define MIPI_CAL_BIAS_PAD_E_VCLAMP_REF (1 << 0) #define MIPI_CAL_BIAS_PAD_CFG1 0x17 +#define MIPI_CAL_BIAS_PAD_DRV_DN_REF(x) (((x) & 0x7) << 16) #define MIPI_CAL_BIAS_PAD_CFG2 0x18 #define MIPI_CAL_BIAS_PAD_PDVREG (1 << 1) @@ -245,6 +246,9 @@ int tegra_mipi_calibrate(struct tegra_mipi_device *device) value |= MIPI_CAL_BIAS_PAD_E_VCLAMP_REF; tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG0); + tegra_mipi_writel(device->mipi, MIPI_CAL_BIAS_PAD_DRV_DN_REF(2), + MIPI_CAL_BIAS_PAD_CFG1); + value = tegra_mipi_readl(device->mipi, MIPI_CAL_BIAS_PAD_CFG2); value &= ~MIPI_CAL_BIAS_PAD_PDVREG; tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG2); -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
