Commit 543f5e31 authored by Kaustabh Chakraborty's avatar Kaustabh Chakraborty Committed by Vinod Koul
Browse files

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



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

Signed-off-by: default avatarKaustabh Chakraborty <kauschluss@disroot.org>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250612-exynos7870-mipi-phy-v1-2-3fff0b62d9d3@disroot.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 2ac58405

drivers/phy/samsung/phy-exynos-mipi-video.c

+52 −0
Original line number Diff line number Diff line
@@ -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 */ },

};

include/linux/soc/samsung/exynos-regs-pmu.h

+5 −0
Original line number Diff line number Diff line
@@ -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)