Commit 4d562c70 authored by Jagan Teki's avatar Jagan Teki Committed by Inki Dae

drm: bridge: samsung-dsim: Add i.MX8M Mini/Nano support

Samsung MIPI DSIM master can also be found in i.MX8M Mini/Nano SoC.

Add compatible and associated driver_data for it.
Reviewed-by: default avatarMarek Vasut <marex@denx.de>
Reviewed-by: default avatarFrieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: default avatarRobert Foss <robert.foss@linaro.org>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarJagan Teki <jagan@amarulasolutions.com>
Tested-by: default avatarAdam Ford <aford173@gmail.com>
Tested-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 0daee58d
...@@ -376,6 +376,24 @@ static const unsigned int exynos5433_reg_values[] = { ...@@ -376,6 +376,24 @@ static const unsigned int exynos5433_reg_values[] = {
[PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0c), [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 = { static const struct samsung_dsim_driver_data exynos3_dsi_driver_data = {
.reg_ofs = exynos_reg_ofs, .reg_ofs = exynos_reg_ofs,
.plltmr_reg = 0x50, .plltmr_reg = 0x50,
...@@ -437,6 +455,22 @@ static const struct samsung_dsim_driver_data exynos5422_dsi_driver_data = { ...@@ -437,6 +455,22 @@ static const struct samsung_dsim_driver_data exynos5422_dsi_driver_data = {
.reg_values = exynos5422_reg_values, .reg_values = exynos5422_reg_values,
}; };
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,
/*
* Unlike Exynos, PLL_P(PMS_P) offset 14 is used in i.MX8M Mini/Nano/Plus
* downstream driver - drivers/gpu/drm/bridge/sec-dsim.c
*/
.pll_p_offset = 14,
.reg_values = imx8mm_dsim_reg_values,
};
static const struct samsung_dsim_driver_data * static const struct samsung_dsim_driver_data *
samsung_dsim_types[DSIM_TYPE_COUNT] = { samsung_dsim_types[DSIM_TYPE_COUNT] = {
[DSIM_TYPE_EXYNOS3250] = &exynos3_dsi_driver_data, [DSIM_TYPE_EXYNOS3250] = &exynos3_dsi_driver_data,
...@@ -444,6 +478,7 @@ samsung_dsim_types[DSIM_TYPE_COUNT] = { ...@@ -444,6 +478,7 @@ samsung_dsim_types[DSIM_TYPE_COUNT] = {
[DSIM_TYPE_EXYNOS5410] = &exynos5_dsi_driver_data, [DSIM_TYPE_EXYNOS5410] = &exynos5_dsi_driver_data,
[DSIM_TYPE_EXYNOS5422] = &exynos5422_dsi_driver_data, [DSIM_TYPE_EXYNOS5422] = &exynos5422_dsi_driver_data,
[DSIM_TYPE_EXYNOS5433] = &exynos5433_dsi_driver_data, [DSIM_TYPE_EXYNOS5433] = &exynos5433_dsi_driver_data,
[DSIM_TYPE_IMX8MM] = &imx8mm_dsi_driver_data,
}; };
static inline struct samsung_dsim *host_to_dsi(struct mipi_dsi_host *h) static inline struct samsung_dsim *host_to_dsi(struct mipi_dsi_host *h)
...@@ -1877,7 +1912,16 @@ const struct dev_pm_ops samsung_dsim_pm_ops = { ...@@ -1877,7 +1912,16 @@ const struct dev_pm_ops samsung_dsim_pm_ops = {
}; };
EXPORT_SYMBOL_GPL(samsung_dsim_pm_ops); EXPORT_SYMBOL_GPL(samsung_dsim_pm_ops);
static const struct samsung_dsim_plat_data samsung_dsim_imx8mm_pdata = {
.hw_type = DSIM_TYPE_IMX8MM,
.host_ops = &generic_dsim_host_ops,
};
static const struct of_device_id samsung_dsim_of_match[] = { static const struct of_device_id samsung_dsim_of_match[] = {
{
.compatible = "fsl,imx8mm-mipi-dsim",
.data = &samsung_dsim_imx8mm_pdata,
},
{ /* sentinel. */ } { /* sentinel. */ }
}; };
MODULE_DEVICE_TABLE(of, samsung_dsim_of_match); MODULE_DEVICE_TABLE(of, samsung_dsim_of_match);
......
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