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Commit 974203c0 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
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usb: gadget: udc: renesas_usb3: add support for R-Car H3 ES2.0 



This patch adds support for R-Car H3 ES2.0. Since this SoC revision
doesn't need workaround for vbus detection and number of ramif is
increased. So, this driver uses soc_device_match() to detect it.

Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 43ba968b

drivers/usb/gadget/udc/renesas_usb3.c

+24 −3
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <linux/pm_runtime.h>

#include <linux/sizes.h>

#include <linux/slab.h>

#include <linux/sys_soc.h>

#include <linux/uaccess.h>

#include <linux/usb/ch9.h>

#include <linux/usb/gadget.h>
@@ -2493,22 +2494,36 @@ static void renesas_usb3_init_ram(struct renesas_usb3 *usb3, struct device *dev, 
	}

}



static const struct renesas_usb3_priv renesas_usb3_priv_r8a7795 = {

static const struct renesas_usb3_priv renesas_usb3_priv_r8a7795_es1 = {

	.ramsize_per_ramif = SZ_16K,

	.num_ramif = 2,

	.ramsize_per_pipe = SZ_4K,

	.workaround_for_vbus = true,

};



static const struct renesas_usb3_priv renesas_usb3_priv_gen3 = {

	.ramsize_per_ramif = SZ_16K,

	.num_ramif = 4,

	.ramsize_per_pipe = SZ_4K,

};



static const struct of_device_id usb3_of_match[] = {

	{

		.compatible = "renesas,r8a7795-usb3-peri",

		.data = &renesas_usb3_priv_r8a7795,

		.data = &renesas_usb3_priv_gen3,

	},

	{ },

};

MODULE_DEVICE_TABLE(of, usb3_of_match);



static const struct soc_device_attribute renesas_usb3_quirks_match[] = {

	{

		.soc_id = "r8a7795", .revision = "ES1.*",

		.data = &renesas_usb3_priv_r8a7795_es1,

	},

	{ /* sentinel */ },

};



static const unsigned int renesas_usb3_cable[] = {

	EXTCON_USB,

	EXTCON_USB_HOST,
@@ -2522,10 +2537,16 @@ static int renesas_usb3_probe(struct platform_device *pdev) 
	const struct of_device_id *match;

	int irq, ret;

	const struct renesas_usb3_priv *priv;

	const struct soc_device_attribute *attr;



	match = of_match_node(usb3_of_match, pdev->dev.of_node);

	if (!match)

		return -ENODEV;



	attr = soc_device_match(renesas_usb3_quirks_match);

	if (attr)

		priv = attr->data;

	else

		priv = match->data;



	irq = platform_get_irq(pdev, 0);