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phy: exynos-mipi-video: introduce support for exynos7870

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Add support for Exynos7870 in the existing MIPI CSIS/DSIM driver. The
SoC has one DSIM phy and three CSIS phys.

Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250612-exynos7870-mipi-phy-v1-2-3fff0b62d9d3@disroot.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Kaustabh Chakraborty 2025-06-12 20:39:30 +05:30 • committed by Vinod Koul
parent 2ac5840594
commit 543f5e3142
2 changed files with 57 additions and 0 deletions
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52
drivers/phy/samsung/phy-exynos-mipi-video.c
View file

@ -213,6 +213,55 @@ static const struct mipi_phy_device_desc exynos5433_mipi_phy = {
},
};
static const struct mipi_phy_device_desc exynos7870_mipi_phy = {
.num_regmaps = 3,
.regmap_names = {
"samsung,pmu-syscon",
"samsung,disp-sysreg",
"samsung,cam-sysreg"
},
.num_phys = 4,
.phys = {
{
/* EXYNOS_MIPI_PHY_ID_CSIS0 */
.coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM0,
.enable_val = EXYNOS4_PHY_ENABLE,
.enable_reg = EXYNOS7870_MIPI_PHY_CONTROL0,
.enable_map = EXYNOS_MIPI_REGMAP_PMU,
.resetn_val = BIT(0),
.resetn_reg = 0,
.resetn_map = EXYNOS_MIPI_REGMAP_CAM0,
}, {
/* EXYNOS_MIPI_PHY_ID_DSIM0 */
.coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS0,
.enable_val = EXYNOS4_PHY_ENABLE,
.enable_reg = EXYNOS7870_MIPI_PHY_CONTROL0,
.enable_map = EXYNOS_MIPI_REGMAP_PMU,
.resetn_val = BIT(0),
.resetn_reg = 0,
.resetn_map = EXYNOS_MIPI_REGMAP_DISP,
}, {
/* EXYNOS_MIPI_PHY_ID_CSIS1 */
.coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE,
.enable_val = EXYNOS4_PHY_ENABLE,
.enable_reg = EXYNOS7870_MIPI_PHY_CONTROL1,
.enable_map = EXYNOS_MIPI_REGMAP_PMU,
.resetn_val = BIT(1),
.resetn_reg = 0,
.resetn_map = EXYNOS_MIPI_REGMAP_CAM0,
}, {
/* EXYNOS_MIPI_PHY_ID_CSIS2 */
.coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE,
.enable_val = EXYNOS4_PHY_ENABLE,
.enable_reg = EXYNOS7870_MIPI_PHY_CONTROL2,
.enable_map = EXYNOS_MIPI_REGMAP_PMU,
.resetn_val = BIT(2),
.resetn_reg = 0,
.resetn_map = EXYNOS_MIPI_REGMAP_CAM0,
},
},
};
struct exynos_mipi_video_phy {
struct regmap *regmaps[EXYNOS_MIPI_REGMAPS_NUM];
int num_phys;
@ -351,6 +400,9 @@ static const struct of_device_id exynos_mipi_video_phy_of_match[] = {
}, {
.compatible = "samsung,exynos5433-mipi-video-phy",
.data = &exynos5433_mipi_phy,
}, {
.compatible = "samsung,exynos7870-mipi-video-phy",
.data = &exynos7870_mipi_phy,
},
{ /* sentinel */ },
};

5
include/linux/soc/samsung/exynos-regs-pmu.h
View file

@ -665,6 +665,11 @@
/* For Exynos990 */
#define EXYNOS990_PHY_CTRL_USB20 (0x72C)
/* For Exynos7870 */
#define EXYNOS7870_MIPI_PHY_CONTROL0 (0x070c)
#define EXYNOS7870_MIPI_PHY_CONTROL1 (0x0714)
#define EXYNOS7870_MIPI_PHY_CONTROL2 (0x0734)
/* For Tensor GS101 */
/* PMU ALIVE */
#define GS101_SYSIP_DAT0 (0x810)