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[PATCH 2/2] phy: exynos-mipi-video: introduce support for exynos7870

Kaustabh Chakraborty posted 2 patches 4 months ago
[PATCH 2/2] phy: exynos-mipi-video: introduce support for exynos7870
Posted by Kaustabh Chakraborty 4 months ago 
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>
---
 drivers/phy/samsung/phy-exynos-mipi-video.c | 52 +++++++++++++++++++++++++++++
 include/linux/soc/samsung/exynos-regs-pmu.h |  5 +++
 2 files changed, 57 insertions(+)

diff --git a/drivers/phy/samsung/phy-exynos-mipi-video.c b/drivers/phy/samsung/phy-exynos-mipi-video.c
index f6756a609a9a0774ecb6e27cf96726891683636c..b184923b9b400f0d536a913bdf32f3156c0a1854 100644
--- a/drivers/phy/samsung/phy-exynos-mipi-video.c
+++ b/drivers/phy/samsung/phy-exynos-mipi-video.c
@@ -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 */ },
 };
diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h
index 1a2c0e0838f99821151661878f022f2129a0c19b..8fd59994bca76a6bf21306337f0b47ccb5a22adc 100644
--- a/include/linux/soc/samsung/exynos-regs-pmu.h
+++ b/include/linux/soc/samsung/exynos-regs-pmu.h
@@ -662,6 +662,11 @@
 #define EXYNOS5433_PAD_RETENTION_UFS_OPTION			(0x3268)
 #define EXYNOS5433_PAD_RETENTION_FSYSGENIO_OPTION		(0x32A8)
 
+/* 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)

-- 
2.49.0
Re: [PATCH 2/2] phy: exynos-mipi-video: introduce support for exynos7870
Posted by neil.armstrong@linaro.org 3 months, 4 weeks ago 
On 12/06/2025 17:09, Kaustabh Chakraborty wrote:
> 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>
> ---
>   drivers/phy/samsung/phy-exynos-mipi-video.c | 52 +++++++++++++++++++++++++++++
>   include/linux/soc/samsung/exynos-regs-pmu.h |  5 +++
>   2 files changed, 57 insertions(+)
> 
> diff --git a/drivers/phy/samsung/phy-exynos-mipi-video.c b/drivers/phy/samsung/phy-exynos-mipi-video.c
> index f6756a609a9a0774ecb6e27cf96726891683636c..b184923b9b400f0d536a913bdf32f3156c0a1854 100644
> --- a/drivers/phy/samsung/phy-exynos-mipi-video.c
> +++ b/drivers/phy/samsung/phy-exynos-mipi-video.c
> @@ -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 */ },
>   };
> diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h
> index 1a2c0e0838f99821151661878f022f2129a0c19b..8fd59994bca76a6bf21306337f0b47ccb5a22adc 100644
> --- a/include/linux/soc/samsung/exynos-regs-pmu.h
> +++ b/include/linux/soc/samsung/exynos-regs-pmu.h
> @@ -662,6 +662,11 @@
>   #define EXYNOS5433_PAD_RETENTION_UFS_OPTION			(0x3268)
>   #define EXYNOS5433_PAD_RETENTION_FSYSGENIO_OPTION		(0x32A8)
>   
> +/* 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)
> 

Looks good:
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>

Patchew 2.1-devel-b67e4c2

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