gpu: host1x: mipi: Add Tegra210 support

Some changes are needed to the configuration settings for some lanes. In
addition, the clock lanes for the CSI pads can no longer be calibrated.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/host1x/mipi.c b/drivers/gpu/host1x/mipi.c
index b07e793c1d5bfe49048226b7dac3750c77e4d71d..0989b8151b4cd9775d84a30748a6a8fdfa6e7601 100644 (file)
--- a/drivers/gpu/host1x/mipi.c
+++ b/drivers/gpu/host1x/mipi.c
@@ -47,6 +47,7 @@
 #define MIPI_CAL_CONFIG_CSIC           0x07
 #define MIPI_CAL_CONFIG_CSID           0x08
 #define MIPI_CAL_CONFIG_CSIE           0x09
+#define MIPI_CAL_CONFIG_CSIF           0x0a
 #define MIPI_CAL_CONFIG_DSIA           0x0e
 #define MIPI_CAL_CONFIG_DSIB           0x0f
 #define MIPI_CAL_CONFIG_DSIC           0x10
@@ -55,7 +56,9 @@
 #define MIPI_CAL_CONFIG_DSIA_CLK       0x19
 #define MIPI_CAL_CONFIG_DSIB_CLK       0x1a
 #define MIPI_CAL_CONFIG_CSIAB_CLK      0x1b
+#define MIPI_CAL_CONFIG_DSIC_CLK       0x1c
 #define MIPI_CAL_CONFIG_CSICD_CLK      0x1c
+#define MIPI_CAL_CONFIG_DSID_CLK       0x1d
 #define MIPI_CAL_CONFIG_CSIE_CLK       0x1d
 
 /* for data and clock lanes */
@@ -262,7 +265,7 @@ int tegra_mipi_calibrate(struct tegra_mipi_device *device)
 
                tegra_mipi_writel(device->mipi, data, soc->pads[i].data);
 
-               if (soc->has_clk_lane)
+               if (soc->has_clk_lane && soc->pads[i].clk != 0)
                        tegra_mipi_writel(device->mipi, clk, soc->pads[i].clk);
        }
 
@@ -369,10 +372,41 @@ static const struct tegra_mipi_soc tegra132_mipi_soc = {
        .hsclkpuos = 0x2,
 };
 
+static const struct tegra_mipi_pad tegra210_mipi_pads[] = {
+       { .data = MIPI_CAL_CONFIG_CSIA, .clk = 0 },
+       { .data = MIPI_CAL_CONFIG_CSIB, .clk = 0 },
+       { .data = MIPI_CAL_CONFIG_CSIC, .clk = 0 },
+       { .data = MIPI_CAL_CONFIG_CSID, .clk = 0 },
+       { .data = MIPI_CAL_CONFIG_CSIE, .clk = 0 },
+       { .data = MIPI_CAL_CONFIG_CSIF, .clk = 0 },
+       { .data = MIPI_CAL_CONFIG_DSIA, .clk = MIPI_CAL_CONFIG_DSIA_CLK },
+       { .data = MIPI_CAL_CONFIG_DSIB, .clk = MIPI_CAL_CONFIG_DSIB_CLK },
+       { .data = MIPI_CAL_CONFIG_DSIC, .clk = MIPI_CAL_CONFIG_DSIC_CLK },
+       { .data = MIPI_CAL_CONFIG_DSID, .clk = MIPI_CAL_CONFIG_DSID_CLK },
+};
+
+static const struct tegra_mipi_soc tegra210_mipi_soc = {
+       .has_clk_lane = true,
+       .pads = tegra210_mipi_pads,
+       .num_pads = ARRAY_SIZE(tegra210_mipi_pads),
+       .clock_enable_override = true,
+       .needs_vclamp_ref = false,
+       .pad_drive_down_ref = 0x0,
+       .pad_drive_up_ref = 0x3,
+       .pad_vclamp_level = 0x1,
+       .pad_vauxp_level = 0x1,
+       .hspdos = 0x0,
+       .hspuos = 0x2,
+       .termos = 0x0,
+       .hsclkpdos = 0x0,
+       .hsclkpuos = 0x2,
+};
+
 static const struct of_device_id tegra_mipi_of_match[] = {
        { .compatible = "nvidia,tegra114-mipi", .data = &tegra114_mipi_soc },
        { .compatible = "nvidia,tegra124-mipi", .data = &tegra124_mipi_soc },
        { .compatible = "nvidia,tegra132-mipi", .data = &tegra132_mipi_soc },
+       { .compatible = "nvidia,tegra210-mipi", .data = &tegra210_mipi_soc },
        { },
 };