Commit e72838d4 authored by Paul Cercueil's avatar Paul Cercueil Committed by Greg Kroah-Hartman
Browse files

usb: musb: jz4740: Add support for the JZ4770 



Add support for probing the jz4740-musb driver on the JZ4770 SoC.

The USB IP in the JZ4770 works the same Inventra IP as for the JZ4740,
but it features more endpoints, and officially supports OTG.

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Signed-off-by: default avatarBin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200316211136.2274-7-b-liu@ti.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c12aa5be

drivers/usb/musb/jz4740.c

+28 −0
Original line number Diff line number Diff line
@@ -163,6 +163,33 @@ static const struct musb_hdrc_platform_data jz4740_musb_pdata = { 
	.platform_ops	= &jz4740_musb_ops,

};



static struct musb_fifo_cfg jz4770_musb_fifo_cfg[] = {

	{ .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, },

	{ .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, },

	{ .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, },

	{ .hw_ep_num = 2, .style = FIFO_RX, .maxpacket = 512, },

	{ .hw_ep_num = 3, .style = FIFO_TX, .maxpacket = 512, },

	{ .hw_ep_num = 3, .style = FIFO_RX, .maxpacket = 512, },

	{ .hw_ep_num = 4, .style = FIFO_TX, .maxpacket = 512, },

	{ .hw_ep_num = 4, .style = FIFO_RX, .maxpacket = 512, },

	{ .hw_ep_num = 5, .style = FIFO_TX, .maxpacket = 512, },

	{ .hw_ep_num = 5, .style = FIFO_RX, .maxpacket = 512, },

};



static struct musb_hdrc_config jz4770_musb_config = {

	.multipoint	= 1,

	.num_eps	= 11,

	.ram_bits	= 11,

	.fifo_cfg	= jz4770_musb_fifo_cfg,

	.fifo_cfg_size	= ARRAY_SIZE(jz4770_musb_fifo_cfg),

};



static const struct musb_hdrc_platform_data jz4770_musb_pdata = {

	.mode		= MUSB_PERIPHERAL, /* TODO: support OTG */

	.config		= &jz4770_musb_config,

	.platform_ops	= &jz4740_musb_ops,

};



static int jz4740_probe(struct platform_device *pdev)

{

	struct device			*dev = &pdev->dev;
@@ -250,6 +277,7 @@ static int jz4740_remove(struct platform_device *pdev) 


static const struct of_device_id jz4740_musb_of_match[] = {

	{ .compatible = "ingenic,jz4740-musb", .data = &jz4740_musb_pdata },

	{ .compatible = "ingenic,jz4770-musb", .data = &jz4770_musb_pdata },

	{ /* sentinel */ },

};

MODULE_DEVICE_TABLE(of, jz4740_musb_of_match);

CRA Git | Maintained and supported by SUSTech CRA and CCSE