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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: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Yoshihiro Shimoda 2017-08-04 11:16:57 +09:00 committed by Felipe Balbi
parent 43ba968b00
commit 974203c0b9
1 changed files with 24 additions and 3 deletions
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27
drivers/usb/gadget/udc/renesas_usb3.c
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@ -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,
@ -2522,11 +2537,17 @@ 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;
priv = match->data;
attr = soc_device_match(renesas_usb3_quirks_match);
if (attr)
priv = attr->data;
else
priv = match->data;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {