diff mbox series

[RFC,13/17] drm: bridge: samsung-dsim: Add i.MX8MM support

Message ID 20210704090230.26489-14-jagan@amarulasolutions.com
State Superseded
Headers show
Series [RFC,01/17] drm/exynos: dsi: Convert to bridge driver | expand

Commit Message

Jagan Teki July 4, 2021, 9:02 a.m. UTC 
Samsung MIPI DSIM bridge can also be found in i.MX8MM SoC.

Add compatible and associated driver_data it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 drivers/gpu/drm/bridge/samsung-dsim.c | 31 +++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 9a2df1212d0f..ea379cb0cc32 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -460,6 +460,24 @@  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,
@@ -521,6 +539,17 @@  static const struct samsung_dsim_driver_data exynos5422_dsi_driver_data = {
 	.exynos_specific = true,
 };
 
+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,
+	.reg_values = imx8mm_dsim_reg_values,
+};
+
 static const struct of_device_id samsung_dsim_of_match[] = {
 	{ .compatible = "samsung,exynos3250-mipi-dsi",
 	  .data = &exynos3_dsi_driver_data },
@@ -532,6 +561,8 @@  static const struct of_device_id samsung_dsim_of_match[] = {
 	  .data = &exynos5422_dsi_driver_data },
 	{ .compatible = "samsung,exynos5433-mipi-dsi",
 	  .data = &exynos5433_dsi_driver_data },
+	{ .compatible = "fsl,imx8mm-mipi-dsim",
+	  .data = &imx8mm_dsi_driver_data },
 	{ }
 };