Re: [PATCH 1/2] phy: qcom: add Synopsys eUSB2 PHY driver
On 05/04/2024 10:35, Neil Armstrong wrote: Add a driver for the new Synopsys eUSB2 PHY found in the SM8550 and SM8650 SoCs. Signed-off-by: Neil Armstrong --- drivers/phy/qcom/Kconfig | 8 + drivers/phy/qcom/Makefile | 1 + drivers/phy/qcom/phy-qcom-snps-eusb2.c | 365 + 3 files changed, 374 insertions(+) diff --git a/drivers/phy/qcom/Kconfig b/drivers/phy/qcom/Kconfig index b9fe608c279..3aae1813352 100644 --- a/drivers/phy/qcom/Kconfig +++ b/drivers/phy/qcom/Kconfig @@ -27,6 +27,14 @@ config PHY_QCOM_USB_SNPS_FEMTO_V2 High-Speed PHY driver. This driver supports the Hi-Speed PHY which is usually paired with Synopsys DWC3 USB IPs on MSM SOCs. +config PHY_QCOM_SNPS_EUSB2 + tristate "Qualcomm Synopsys eUSB2 High-Speed PHY" + depends on PHY && ARCH_SNAPDRAGON + help + Enable this to support the Qualcomm Synopsys DesignWare eUSB2 + High-Speed PHY driver. This driver supports the Hi-Speed PHY which + is usually paired with Synopsys DWC3 USB IPs on MSM SOCs. + config PHY_QCOM_USB_HS_28NM tristate "Qualcomm 28nm High-Speed PHY" depends on PHY && ARCH_SNAPDRAGON diff --git a/drivers/phy/qcom/Makefile b/drivers/phy/qcom/Makefile index 5f4db4a5378..a5153061dfb 100644 --- a/drivers/phy/qcom/Makefile +++ b/drivers/phy/qcom/Makefile @@ -2,5 +2,6 @@ obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o obj-$(CONFIG_MSM8916_USB_PHY) += msm8916-usbh-phy.o obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o obj-$(CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2) += phy-qcom-snps-femto-v2.o +obj-$(CONFIG_PHY_QCOM_SNPS_EUSB2) += phy-qcom-snps-eusb2.o obj-$(CONFIG_PHY_QCOM_USB_HS_28NM) += phy-qcom-usb-hs-28nm.o obj-$(CONFIG_PHY_QCOM_USB_SS) += phy-qcom-usb-ss.o diff --git a/drivers/phy/qcom/phy-qcom-snps-eusb2.c b/drivers/phy/qcom/phy-qcom-snps-eusb2.c new file mode 100644 index 000..853b88458b7 --- /dev/null +++ b/drivers/phy/qcom/phy-qcom-snps-eusb2.c @@ -0,0 +1,365 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023-2024, Linaro Limited + * + * Based on the Linux phy-qcom-snps-eusb2.c driver + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#define USB_PHY_UTMI_CTRL0 (0x3c) +#define SLEEPM BIT(0) +#define OPMODE_MASKGENMASK(4, 3) +#define OPMODE_NONDRIVING BIT(3) + +#define USB_PHY_UTMI_CTRL5 (0x50) +#define PORBIT(1) + +#define USB_PHY_HS_PHY_CTRL_COMMON0(0x54) +#define PHY_ENABLE BIT(0) +#define SIDDQ_SEL BIT(1) +#define SIDDQ BIT(2) +#define RETENABLEN BIT(3) +#define FSEL_MASK GENMASK(6, 4) +#define FSEL_19_2_MHZ_VAL (0x0) +#define FSEL_38_4_MHZ_VAL (0x4) + +#define USB_PHY_CFG_CTRL_1 (0x58) +#define PHY_CFG_PLL_CPBIAS_CNTRL_MASK GENMASK(7, 1) + +#define USB_PHY_CFG_CTRL_2 (0x5c) +#define PHY_CFG_PLL_FB_DIV_7_0_MASKGENMASK(7, 0) +#define DIV_7_0_19_2_MHZ_VAL (0x90) +#define DIV_7_0_38_4_MHZ_VAL (0xc8) + +#define USB_PHY_CFG_CTRL_3 (0x60) +#define PHY_CFG_PLL_FB_DIV_11_8_MASK GENMASK(3, 0) +#define DIV_11_8_19_2_MHZ_VAL (0x1) +#define DIV_11_8_38_4_MHZ_VAL (0x0) + +#define PHY_CFG_PLL_REF_DIVGENMASK(7, 4) +#define PLL_REF_DIV_VAL(0x0) + +#define USB_PHY_HS_PHY_CTRL2 (0x64) +#define VBUSVLDEXT0BIT(0) +#define USB2_SUSPEND_N BIT(2) +#define USB2_SUSPEND_N_SEL BIT(3) +#define VBUS_DET_EXT_SEL BIT(4) + +#define USB_PHY_CFG_CTRL_4 (0x68) +#define PHY_CFG_PLL_GMP_CNTRL_MASK GENMASK(1, 0) +#define PHY_CFG_PLL_INT_CNTRL_MASK GENMASK(7, 2) + +#define USB_PHY_CFG_CTRL_5 (0x6c) +#define PHY_CFG_PLL_PROP_CNTRL_MASKGENMASK(4, 0) +#define PHY_CFG_PLL_VREF_TUNE_MASK GENMASK(7, 6) + +#define USB_PHY_CFG_CTRL_6 (0x70) +#define PHY_CFG_PLL_VCO_CNTRL_MASK GENMASK(2, 0) + +#define USB_PHY_CFG_CTRL_7 (0x74) + +#define USB_PHY_CFG_CTRL_8 (0x78) +#define PHY_CFG_TX_FSLS_VREF_TUNE_MASK GENMASK(1, 0) +#define PHY_CFG_TX_FSLS_VREG_BYPASSBIT(2) +#define PHY_CFG_TX_HS_VREF_TUNE_MASK GENMASK(5, 3) +#define PHY_CFG_TX_HS_XV_TUNE_MASK GENMASK(7, 6) + +#define USB_PHY_CFG_CTRL_9 (0x7c) +#define PHY_CFG_TX_PREEMP_TUNE_MASKGENMASK(2, 0) +#define PHY_CFG_TX_RES_TUNE_MASK GENMASK(4, 3) +#define PHY_CFG_TX_RISE_TUNE_MASK GENMASK(6, 5) +#define PHY_CFG_RCAL_BYPASSBIT(7) + +#define USB_PHY_CFG_CTRL_10(0x80) + +#define USB_PHY_CFG0 (0x94) +#define DATAPATH_CTRL_OVERRIDE_EN BIT(0) +#define
[PATCH 1/2] phy: qcom: add Synopsys eUSB2 PHY driver
Add a driver for the new Synopsys eUSB2 PHY found in the SM8550 and SM8650 SoCs. Signed-off-by: Neil Armstrong --- drivers/phy/qcom/Kconfig | 8 + drivers/phy/qcom/Makefile | 1 + drivers/phy/qcom/phy-qcom-snps-eusb2.c | 365 + 3 files changed, 374 insertions(+) diff --git a/drivers/phy/qcom/Kconfig b/drivers/phy/qcom/Kconfig index b9fe608c279..3aae1813352 100644 --- a/drivers/phy/qcom/Kconfig +++ b/drivers/phy/qcom/Kconfig @@ -27,6 +27,14 @@ config PHY_QCOM_USB_SNPS_FEMTO_V2 High-Speed PHY driver. This driver supports the Hi-Speed PHY which is usually paired with Synopsys DWC3 USB IPs on MSM SOCs. +config PHY_QCOM_SNPS_EUSB2 + tristate "Qualcomm Synopsys eUSB2 High-Speed PHY" + depends on PHY && ARCH_SNAPDRAGON + help + Enable this to support the Qualcomm Synopsys DesignWare eUSB2 + High-Speed PHY driver. This driver supports the Hi-Speed PHY which + is usually paired with Synopsys DWC3 USB IPs on MSM SOCs. + config PHY_QCOM_USB_HS_28NM tristate "Qualcomm 28nm High-Speed PHY" depends on PHY && ARCH_SNAPDRAGON diff --git a/drivers/phy/qcom/Makefile b/drivers/phy/qcom/Makefile index 5f4db4a5378..a5153061dfb 100644 --- a/drivers/phy/qcom/Makefile +++ b/drivers/phy/qcom/Makefile @@ -2,5 +2,6 @@ obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o obj-$(CONFIG_MSM8916_USB_PHY) += msm8916-usbh-phy.o obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o obj-$(CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2) += phy-qcom-snps-femto-v2.o +obj-$(CONFIG_PHY_QCOM_SNPS_EUSB2) += phy-qcom-snps-eusb2.o obj-$(CONFIG_PHY_QCOM_USB_HS_28NM) += phy-qcom-usb-hs-28nm.o obj-$(CONFIG_PHY_QCOM_USB_SS) += phy-qcom-usb-ss.o diff --git a/drivers/phy/qcom/phy-qcom-snps-eusb2.c b/drivers/phy/qcom/phy-qcom-snps-eusb2.c new file mode 100644 index 000..853b88458b7 --- /dev/null +++ b/drivers/phy/qcom/phy-qcom-snps-eusb2.c @@ -0,0 +1,365 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023-2024, Linaro Limited + * + * Based on the Linux phy-qcom-snps-eusb2.c driver + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#define USB_PHY_UTMI_CTRL0 (0x3c) +#define SLEEPM BIT(0) +#define OPMODE_MASKGENMASK(4, 3) +#define OPMODE_NONDRIVING BIT(3) + +#define USB_PHY_UTMI_CTRL5 (0x50) +#define PORBIT(1) + +#define USB_PHY_HS_PHY_CTRL_COMMON0(0x54) +#define PHY_ENABLE BIT(0) +#define SIDDQ_SEL BIT(1) +#define SIDDQ BIT(2) +#define RETENABLEN BIT(3) +#define FSEL_MASK GENMASK(6, 4) +#define FSEL_19_2_MHZ_VAL (0x0) +#define FSEL_38_4_MHZ_VAL (0x4) + +#define USB_PHY_CFG_CTRL_1 (0x58) +#define PHY_CFG_PLL_CPBIAS_CNTRL_MASK GENMASK(7, 1) + +#define USB_PHY_CFG_CTRL_2 (0x5c) +#define PHY_CFG_PLL_FB_DIV_7_0_MASKGENMASK(7, 0) +#define DIV_7_0_19_2_MHZ_VAL (0x90) +#define DIV_7_0_38_4_MHZ_VAL (0xc8) + +#define USB_PHY_CFG_CTRL_3 (0x60) +#define PHY_CFG_PLL_FB_DIV_11_8_MASK GENMASK(3, 0) +#define DIV_11_8_19_2_MHZ_VAL (0x1) +#define DIV_11_8_38_4_MHZ_VAL (0x0) + +#define PHY_CFG_PLL_REF_DIVGENMASK(7, 4) +#define PLL_REF_DIV_VAL(0x0) + +#define USB_PHY_HS_PHY_CTRL2 (0x64) +#define VBUSVLDEXT0BIT(0) +#define USB2_SUSPEND_N BIT(2) +#define USB2_SUSPEND_N_SEL BIT(3) +#define VBUS_DET_EXT_SEL BIT(4) + +#define USB_PHY_CFG_CTRL_4 (0x68) +#define PHY_CFG_PLL_GMP_CNTRL_MASK GENMASK(1, 0) +#define PHY_CFG_PLL_INT_CNTRL_MASK GENMASK(7, 2) + +#define USB_PHY_CFG_CTRL_5 (0x6c) +#define PHY_CFG_PLL_PROP_CNTRL_MASKGENMASK(4, 0) +#define PHY_CFG_PLL_VREF_TUNE_MASK GENMASK(7, 6) + +#define USB_PHY_CFG_CTRL_6 (0x70) +#define PHY_CFG_PLL_VCO_CNTRL_MASK GENMASK(2, 0) + +#define USB_PHY_CFG_CTRL_7 (0x74) + +#define USB_PHY_CFG_CTRL_8 (0x78) +#define PHY_CFG_TX_FSLS_VREF_TUNE_MASK GENMASK(1, 0) +#define PHY_CFG_TX_FSLS_VREG_BYPASSBIT(2) +#define PHY_CFG_TX_HS_VREF_TUNE_MASK GENMASK(5, 3) +#define PHY_CFG_TX_HS_XV_TUNE_MASK GENMASK(7, 6) + +#define USB_PHY_CFG_CTRL_9 (0x7c) +#define PHY_CFG_TX_PREEMP_TUNE_MASKGENMASK(2, 0) +#define PHY_CFG_TX_RES_TUNE_MASK GENMASK(4, 3) +#define PHY_CFG_TX_RISE_TUNE_MASK GENMASK(6, 5) +#define PHY_CFG_RCAL_BYPASSBIT(7) + +#define USB_PHY_CFG_CTRL_10(0x80) + +#define USB_PHY_CFG0 (0x94) +#define DATAPATH_CTRL_OVERRIDE_EN BIT(0) +#define CMN_CTRL_OVERRIDE_EN BIT(1) + +#define
