Samsung MIPI DSIM master can also be found in i.MX8MM SoC.
Add compatible and associated driver_data for it.
v3:
* enable DSIM_QUIRK_FIXUP_SYNC_POL quirk
v2:
* collect Laurent r-b
v1:
* none
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/bridge/samsung-dsim.c | 35 +++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index ef439b49f2b8..3b859b61f493 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -360,6 +360,24 @@ static const unsigned int exynos5433_reg_values[] = {
[PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0c),
};
+static const unsigned int imx8mm_dsim_reg_values[] = {
+ [RESET_TYPE] = DSIM_SWRST,
+ [PLL_TIMER] = 500,
+ [STOP_STATE_CNT] = 0xf,
+ [PHYCTRL_ULPS_EXIT] = 0,
+ [PHYCTRL_VREG_LP] = 0,
+ [PHYCTRL_SLEW_UP] = 0,
+ [PHYTIMING_LPX] = DSIM_PHYTIMING_LPX(0x06),
+ [PHYTIMING_HS_EXIT] = DSIM_PHYTIMING_HS_EXIT(0x0b),
+ [PHYTIMING_CLK_PREPARE] = DSIM_PHYTIMING1_CLK_PREPARE(0x07),
+ [PHYTIMING_CLK_ZERO] = DSIM_PHYTIMING1_CLK_ZERO(0x26),
+ [PHYTIMING_CLK_POST] = DSIM_PHYTIMING1_CLK_POST(0x0d),
+ [PHYTIMING_CLK_TRAIL] = DSIM_PHYTIMING1_CLK_TRAIL(0x08),
+ [PHYTIMING_HS_PREPARE] = DSIM_PHYTIMING2_HS_PREPARE(0x08),
+ [PHYTIMING_HS_ZERO] = DSIM_PHYTIMING2_HS_ZERO(0x0d),
+ [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0b),
+};
+
static const struct samsung_dsim_driver_data exynos3_dsi_driver_data = {
.reg_ofs = exynos_reg_ofs,
.plltmr_reg = 0x50,
@@ -426,6 +444,19 @@ static const struct samsung_dsim_driver_data exynos5422_dsi_driver_data = {
.quirks = DSIM_QUIRK_PLAT_DATA,
};
+static const struct samsung_dsim_driver_data imx8mm_dsi_driver_data = {
+ .reg_ofs = exynos5433_reg_ofs,
+ .plltmr_reg = 0xa0,
+ .has_clklane_stop = 1,
+ .num_clks = 2,
+ .max_freq = 2100,
+ .wait_for_reset = 0,
+ .num_bits_resol = 12,
+ .pll_p_offset = 14,
+ .reg_values = imx8mm_dsim_reg_values,
+ .quirks = DSIM_QUIRK_FIXUP_SYNC_POL,
+};
+
static const struct of_device_id samsung_dsim_of_match[] = {
{
.compatible = "samsung,exynos3250-mipi-dsi",
@@ -447,6 +478,10 @@ static const struct of_device_id samsung_dsim_of_match[] = {
.compatible = "samsung,exynos5433-mipi-dsi",
.data = &exynos5433_dsi_driver_data
},
+ {
+ .compatible = "fsl,imx8mm-mipi-dsim",
+ .data = &imx8mm_dsi_driver_data
+ },
{ /* sentinel. */ }
};
--
2.25.1
