Re: [RFC PATCH v1] usb/phy add sprd ums512 usbphy

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On 3/18/2023 11:37 PM, Cixi Geng wrote:
On Mon, 2023-03-13 at 17:11 +0800, Baolin Wang wrote:



...

+
+MODULE_DESCRIPTION("UNISOC USB PHY driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/phy/phy-sprd-ums512.h
b/drivers/usb/phy/phy-sprd-ums512.h
new file mode 100644
index 000000000000..903da0573eae
--- /dev/null
+++ b/drivers/usb/phy/phy-sprd-ums512.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0+ OR MIT */
+/*
+ * Spreadtrum UMS512 SOC USB registers file
+ *
+ * Copyright C 2022, Spreadtrum Communications Inc.
+ */
+
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_DATABUS16_8
     0x10000000
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_DMPULLDOWN                 0x8
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_DPPULLDOWN                 0x10
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_ISO_SW_EN                  0x1
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_PS_PD_L                    0x8
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_PS_PD_S                    0x10
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_RESERVED                   0xff
ff
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_TFREGRES                   0x1f
80000
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_TUNEHSAMP                  0x60
00000
+#define
MASK_ANLG_PHY_G2_ANALOG_USB20_USB20_VBUSVLDEXT                 0x10
000
+#define
MASK_ANLG_PHY_G2_DBG_SEL_ANALOG_USB20_USB20_DMPULLDOWN         0x2
+#define
MASK_ANLG_PHY_G2_DBG_SEL_ANALOG_USB20_USB20_DPPULLDOWN         0x4
+#define
MASK_AON_APB_ANA_EB                                            0x10
00
+#define
MASK_AON_APB_CGM_DPHY_REF_EN                                   0x40
0
+#define
MASK_AON_APB_CGM_OTG_REF_EN                                    0x10
00
+#define
MASK_AON_APB_OTG_PHY_SOFT_RST                                  0x20
0
+#define
MASK_AON_APB_OTG_UTMI_EB                                       0x10
0
+#define
MASK_AON_APB_OTG_UTMI_SOFT_RST                                 0x10
0
+#define
MASK_AON_APB_OTG_VBUS_VALID_PHYREG                             0x10
00000
+#define
MASK_AON_APB_USB2_PHY_IDDIG                                    0x8
+#define
MASK_AON_APB_UTMI_WIDTH_SEL                                    0x40
000000
+#define
REG_ANLG_PHY_G2_ANALOG_USB20_USB20_BATTER_PLL                  0x00
5c
+#define
REG_ANLG_PHY_G2_ANALOG_USB20_USB20_ISO_SW                      0x00
70
+#define
REG_ANLG_PHY_G2_ANALOG_USB20_USB20_TRIMMING                    0x00
64
+#define
REG_ANLG_PHY_G2_ANALOG_USB20_USB20_UTMI_CTL1                   0x00
58
+#define
REG_ANLG_PHY_G2_ANALOG_USB20_USB20_UTMI_CTL2                   0x00
60
+#define
REG_ANLG_PHY_G2_ANALOG_USB20_REG_SEL_CFG_0                     0x00
74
+#define
REG_AON_APB_APB_EB1                                            0x00
04
+#define
REG_AON_APB_APB_RST1                                           0x00
10
+#define
REG_AON_APB_CGM_REG1                                           0x01
38
+#define
REG_AON_APB_OTG_PHY_CTRL                                       0x02
08
+#define
REG_AON_APB_OTG_PHY_TEST                                       0x02
04

Move them to the driver file and please rename the ugly macro names,
too
long :(

And why not move the usb phy driver to be a generic phy driver? I
mean
move it to the drivers/phy.
Do you mean all the usb-phy need move to driver/phy? or just this
driver?

If I remember correctly, new phy drivers should go to the generic phy framework unless there are some reasons to prevent.

Greg, how do you think?



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