From 385a766bed48c5bcf620061f24e864dafeca671a Mon Sep 17 00:00:00 2001 From: Igor Belwon Date: Thu, 15 May 2025 16:43:02 +0200 Subject: [PATCH] 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: Krzysztof Kozlowski Signed-off-by: Igor Belwon Reviewed-by: Neil Armstrong Link: https://lore.kernel.org/r/20250515-usb-resends-may-15-v3-2-ad33a85b6cee@mentallysanemainliners.org Signed-off-by: Vinod Koul --- drivers/phy/samsung/phy-exynos5-usbdrd.c | 32 +++++++++++++++++++++ include/linux/soc/samsung/exynos-regs-pmu.h | 3 ++ 2 files changed, 35 insertions(+) diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c index 917a76d584f08..dd660ebe80458 100644 --- a/drivers/phy/samsung/phy-exynos5-usbdrd.c +++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c @@ -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 }, { }, }; diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h index 1a2c0e0838f99..7754697e58107 100644 --- a/include/linux/soc/samsung/exynos-regs-pmu.h +++ b/include/linux/soc/samsung/exynos-regs-pmu.h @@ -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) -- 2.47.2