Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * USB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/platform_data/usb-davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/usb/musb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <mach/common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <mach/cputype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "irqs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define DAVINCI_USB_OTG_BASE	0x01c64000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static struct musb_hdrc_config musb_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	.multipoint	= true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	.num_eps	= 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	.ram_bits	= 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static struct musb_hdrc_platform_data usb_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	/* OTG requires a Mini-AB connector */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	.mode           = MUSB_OTG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	.clock		= "usb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	.config		= &musb_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static struct resource usb_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		/* physical address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		.start          = DAVINCI_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		.end            = DAVINCI_USB_OTG_BASE + 0x5ff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		.flags          = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		.start          = DAVINCI_INTC_IRQ(IRQ_USBINT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		.flags          = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		.name		= "mc"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		/* placeholder for the dedicated CPPI IRQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 		.flags          = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 		.name		= "dma"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static u64 usb_dmamask = DMA_BIT_MASK(32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static struct platform_device usb_dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	.name           = "musb-davinci",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	.id             = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	.dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		.platform_data		= &usb_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		.dma_mask		= &usb_dmamask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		.coherent_dma_mask      = DMA_BIT_MASK(32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	.resource       = usb_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	.num_resources  = ARRAY_SIZE(usb_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	usb_data.power = mA > 510 ? 255 : mA / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	usb_data.potpgt = (potpgt_ms + 1) / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	if (cpu_is_davinci_dm646x()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 		/* Override the defaults as DM6467 uses different IRQs. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 		usb_dev.resource[1].start = DAVINCI_INTC_IRQ(IRQ_DM646X_USBINT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 		usb_dev.resource[2].start = DAVINCI_INTC_IRQ(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 							IRQ_DM646X_USBDMAINT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	} else	/* other devices don't have dedicated CPPI IRQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 		usb_dev.num_resources = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 	platform_device_register(&usb_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #endif  /* CONFIG_USB_MUSB_HDRC */