usb: musb: remove unused davinci support

The musb-davinci driver was only used on dm644x, which got removed
in linux-6.0. The only remaining davinci machines are da8xx
devicetree based and do not use this hardware.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20221019152947.3857217-6-arnd@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/musb/Kconfig

@@ -70,12 +70,6 @@ config USB_MUSB_SUNXI
 	select GENERIC_PHY
 	select SUNXI_SRAM
 
-config USB_MUSB_DAVINCI
-	tristate "DaVinci"
-	depends on ARCH_DAVINCI_DMx
-	depends on NOP_USB_XCEIV
-	depends on BROKEN
-
 config USB_MUSB_DA8XX
 	tristate "DA8xx/OMAP-L1x"
 	depends on ARCH_DAVINCI_DA8XX
@@ -161,12 +155,6 @@ config USB_INVENTRA_DMA
 	help
 	  Enable DMA transfers using Mentor's engine.
 
-config USB_TI_CPPI_DMA
-	bool 'TI CPPI (Davinci)'
-	depends on USB_MUSB_DAVINCI
-	help
-	  Enable DMA transfers when TI CPPI DMA is available.
-
 config USB_TI_CPPI41_DMA
 	bool 'TI CPPI 4.1'
 	depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX) && DMADEVICES

drivers/usb/musb/Makefile

@@ -19,7 +19,6 @@ obj-$(CONFIG_USB_MUSB_OMAP2PLUS)		+= omap2430.o
 obj-$(CONFIG_USB_MUSB_AM35X)			+= am35x.o
 obj-$(CONFIG_USB_MUSB_DSPS)			+= musb_dsps.o
 obj-$(CONFIG_USB_MUSB_TUSB6010)			+= tusb6010.o
-obj-$(CONFIG_USB_MUSB_DAVINCI)			+= davinci.o
 obj-$(CONFIG_USB_MUSB_DA8XX)			+= da8xx.o
 obj-$(CONFIG_USB_MUSB_UX500)			+= ux500.o
 obj-$(CONFIG_USB_MUSB_JZ4740)			+= jz4740.o
@@ -33,7 +32,6 @@ obj-$(CONFIG_USB_MUSB_POLARFIRE_SOC)		+= mpfs.o
 # though PIO is always there to back up DMA, and for ep0
 
 musb_hdrc-$(CONFIG_USB_INVENTRA_DMA)		+= musbhsdma.o
-musb_hdrc-$(CONFIG_USB_TI_CPPI_DMA)		+= cppi_dma.o
 musb_hdrc-$(CONFIG_USB_TUSB_OMAP_DMA)		+= tusb6010_omap.o
 musb_hdrc-$(CONFIG_USB_UX500_DMA)		+= ux500_dma.o
 musb_hdrc-$(CONFIG_USB_TI_CPPI41_DMA)		+= musb_cppi41.o

drivers/usb/musb/davinci.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (C) 2005-2006 by Texas Instruments
- */
-
-#ifndef __MUSB_HDRDF_H__
-#define __MUSB_HDRDF_H__
-
-/*
- * DaVinci-specific definitions
- */
-
-/* Integrated highspeed/otg PHY */
-#define USBPHY_CTL_PADDR	0x01c40034
-#define USBPHY_DATAPOL		BIT(11)	/* (dm355) switch D+/D- */
-#define USBPHY_PHYCLKGD		BIT(8)
-#define USBPHY_SESNDEN		BIT(7)	/* v(sess_end) comparator */
-#define USBPHY_VBDTCTEN		BIT(6)	/* v(bus) comparator */
-#define USBPHY_VBUSSENS		BIT(5)	/* (dm355,ro) is vbus > 0.5V */
-#define USBPHY_PHYPLLON		BIT(4)	/* override pll suspend */
-#define USBPHY_CLKO1SEL		BIT(3)
-#define USBPHY_OSCPDWN		BIT(2)
-#define USBPHY_OTGPDWN		BIT(1)
-#define USBPHY_PHYPDWN		BIT(0)
-
-#define DM355_DEEPSLEEP_PADDR	0x01c40048
-#define DRVVBUS_FORCE		BIT(2)
-#define DRVVBUS_OVERRIDE	BIT(1)
-
-/* For now include usb OTG module registers here */
-#define DAVINCI_USB_VERSION_REG		0x00
-#define DAVINCI_USB_CTRL_REG		0x04
-#define DAVINCI_USB_STAT_REG		0x08
-#define DAVINCI_RNDIS_REG		0x10
-#define DAVINCI_AUTOREQ_REG		0x14
-#define DAVINCI_USB_INT_SOURCE_REG	0x20
-#define DAVINCI_USB_INT_SET_REG		0x24
-#define DAVINCI_USB_INT_SRC_CLR_REG	0x28
-#define DAVINCI_USB_INT_MASK_REG	0x2c
-#define DAVINCI_USB_INT_MASK_SET_REG	0x30
-#define DAVINCI_USB_INT_MASK_CLR_REG	0x34
-#define DAVINCI_USB_INT_SRC_MASKED_REG	0x38
-#define DAVINCI_USB_EOI_REG		0x3c
-#define DAVINCI_USB_EOI_INTVEC		0x40
-
-/* BEGIN CPPI-generic (?) */
-
-/* CPPI related registers */
-#define DAVINCI_TXCPPI_CTRL_REG		0x80
-#define DAVINCI_TXCPPI_TEAR_REG		0x84
-#define DAVINCI_CPPI_EOI_REG		0x88
-#define DAVINCI_CPPI_INTVEC_REG		0x8c
-#define DAVINCI_TXCPPI_MASKED_REG	0x90
-#define DAVINCI_TXCPPI_RAW_REG		0x94
-#define DAVINCI_TXCPPI_INTENAB_REG	0x98
-#define DAVINCI_TXCPPI_INTCLR_REG	0x9c
-
-#define DAVINCI_RXCPPI_CTRL_REG		0xC0
-#define DAVINCI_RXCPPI_MASKED_REG	0xD0
-#define DAVINCI_RXCPPI_RAW_REG		0xD4
-#define DAVINCI_RXCPPI_INTENAB_REG	0xD8
-#define DAVINCI_RXCPPI_INTCLR_REG	0xDC
-
-#define DAVINCI_RXCPPI_BUFCNT0_REG	0xE0
-#define DAVINCI_RXCPPI_BUFCNT1_REG	0xE4
-#define DAVINCI_RXCPPI_BUFCNT2_REG	0xE8
-#define DAVINCI_RXCPPI_BUFCNT3_REG	0xEC
-
-/* CPPI state RAM entries */
-#define DAVINCI_CPPI_STATERAM_BASE_OFFSET   0x100
-
-#define DAVINCI_TXCPPI_STATERAM_OFFSET(chnum) \
-	(DAVINCI_CPPI_STATERAM_BASE_OFFSET +       ((chnum) * 0x40))
-#define DAVINCI_RXCPPI_STATERAM_OFFSET(chnum) \
-	(DAVINCI_CPPI_STATERAM_BASE_OFFSET + 0x20 + ((chnum) * 0x40))
-
-/* CPPI masks */
-#define DAVINCI_DMA_CTRL_ENABLE		1
-#define DAVINCI_DMA_CTRL_DISABLE	0
-
-#define DAVINCI_DMA_ALL_CHANNELS_ENABLE	0xF
-#define DAVINCI_DMA_ALL_CHANNELS_DISABLE 0xF
-
-/* END CPPI-generic (?) */
-
-#define DAVINCI_USB_TX_ENDPTS_MASK	0x1f		/* ep0 + 4 tx */
-#define DAVINCI_USB_RX_ENDPTS_MASK	0x1e		/* 4 rx */
-
-#define DAVINCI_USB_USBINT_SHIFT	16
-#define DAVINCI_USB_TXINT_SHIFT		0
-#define DAVINCI_USB_RXINT_SHIFT		8
-
-#define DAVINCI_INTR_DRVVBUS		0x0100
-
-#define DAVINCI_USB_USBINT_MASK		0x01ff0000	/* 8 Mentor, DRVVBUS */
-#define DAVINCI_USB_TXINT_MASK \
-	(DAVINCI_USB_TX_ENDPTS_MASK << DAVINCI_USB_TXINT_SHIFT)
-#define DAVINCI_USB_RXINT_MASK \
-	(DAVINCI_USB_RX_ENDPTS_MASK << DAVINCI_USB_RXINT_SHIFT)
-
-#define DAVINCI_BASE_OFFSET		0x400
-
-#endif	/* __MUSB_HDRDF_H__ */