Commit 385a766b authored by Igor Belwon's avatar Igor Belwon Committed by Vinod Koul
Browse files

phy: exynos5-usbdrd: Add support for the Exynos990 usbdrd phy 



The Exynos990 usbdrd PHY is a combo PHY which supports USB SS, HS and
DisplayPort outputs. This commit adds support only for UTMI+ (USB HS).

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarIgor Belwon <igor.belwon@mentallysanemainliners.org>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250515-usb-resends-may-15-v3-2-ad33a85b6cee@mentallysanemainliners.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 9f77d234

drivers/phy/samsung/phy-exynos5-usbdrd.c

+32 −0
Original line number Diff line number Diff line
@@ -2025,6 +2025,35 @@ static const struct exynos5_usbdrd_phy_drvdata exynos850_usbdrd_phy = { 
	.n_regulators		= ARRAY_SIZE(exynos5_regulator_names),

};



static const struct exynos5_usbdrd_phy_tuning exynos990_tunes_utmi_postinit[] = {

	PHY_TUNING_ENTRY_PHY(EXYNOS850_DRD_HSPPARACON,

			     (HSPPARACON_TXVREF |

			      HSPPARACON_TXPREEMPAMP | HSPPARACON_SQRX |

			      HSPPARACON_COMPDIS),

			     (FIELD_PREP_CONST(HSPPARACON_TXVREF, 7) |

			      FIELD_PREP_CONST(HSPPARACON_TXPREEMPAMP, 3) |

			      FIELD_PREP_CONST(HSPPARACON_SQRX, 5) |

			      FIELD_PREP_CONST(HSPPARACON_COMPDIS, 7))),

	PHY_TUNING_ENTRY_LAST

};



static const struct exynos5_usbdrd_phy_tuning *exynos990_tunes[PTS_MAX] = {

	[PTS_UTMI_POSTINIT] = exynos990_tunes_utmi_postinit,

};



static const struct exynos5_usbdrd_phy_drvdata exynos990_usbdrd_phy = {

	.phy_cfg		= phy_cfg_exynos850,

	.phy_ops		= &exynos850_usbdrd_phy_ops,

	.phy_tunes		= exynos990_tunes,

	.pmu_offset_usbdrd0_phy	= EXYNOS990_PHY_CTRL_USB20,

	.clk_names		= exynos5_clk_names,

	.n_clks			= ARRAY_SIZE(exynos5_clk_names),

	.core_clk_names		= exynos5_core_clk_names,

	.n_core_clks		= ARRAY_SIZE(exynos5_core_clk_names),

	.regulator_names	= exynos5_regulator_names,

	.n_regulators		= ARRAY_SIZE(exynos5_regulator_names),

};



static const struct exynos5_usbdrd_phy_config phy_cfg_gs101[] = {

	{

		.id		= EXYNOS5_DRDPHY_UTMI,
@@ -2228,6 +2257,9 @@ static const struct of_device_id exynos5_usbdrd_phy_of_match[] = { 
	}, {

		.compatible = "samsung,exynos850-usbdrd-phy",

		.data = &exynos850_usbdrd_phy

	}, {

		.compatible = "samsung,exynos990-usbdrd-phy",

		.data = &exynos990_usbdrd_phy

	},

	{ },

};

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

+3 −0
Original line number Diff line number Diff line
@@ -662,6 +662,9 @@ 
#define EXYNOS5433_PAD_RETENTION_UFS_OPTION			(0x3268)

#define EXYNOS5433_PAD_RETENTION_FSYSGENIO_OPTION		(0x32A8)



/* For Exynos990 */

#define EXYNOS990_PHY_CTRL_USB20				(0x72C)



/* For Tensor GS101 */

/* PMU ALIVE */

#define GS101_SYSIP_DAT0					(0x810)