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usb: renesas_usbhs: add support for R-Car D3

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This patch adds support for R-Car D3. This SoC needs to release
the PLL reset by the UGCTRL register. So, since this is not the same
as other R-Car Gen3 SoCs, this patch adds a new type as
"USBHS_TYPE_RCAR_GEN3_WITH_PLL".

Acked-by: Rob Herring <robh@kernel.org>
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
2017-10-03 20:09:14 +09:00
committed by Felipe Balbi
parent a877b8e553
commit 0f38672c62
5 changed files with 62 additions and 3 deletions
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10
drivers/usb/renesas_usbhs/common.c
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@@ -485,6 +485,10 @@ static const struct of_device_id usbhs_of_match[] = {
.compatible = "renesas,usbhs-r8a7796",
.data = (void *)USBHS_TYPE_RCAR_GEN3,
},
{
.compatible = "renesas,usbhs-r8a77995",
.data = (void *)USBHS_TYPE_RCAR_GEN3_WITH_PLL,
},
{
.compatible = "renesas,rcar-gen2-usbhs",
.data = (void *)USBHS_TYPE_RCAR_GEN2,
@@ -519,7 +523,8 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev)
dparam->enable_gpio = gpio;
if (dparam->type == USBHS_TYPE_RCAR_GEN2 ||
dparam->type == USBHS_TYPE_RCAR_GEN3) {
dparam->type == USBHS_TYPE_RCAR_GEN3 ||
dparam->type == USBHS_TYPE_RCAR_GEN3_WITH_PLL) {
dparam->has_usb_dmac = 1;
dparam->pipe_configs = usbhsc_new_pipe;
dparam->pipe_size = ARRAY_SIZE(usbhsc_new_pipe);
@@ -584,6 +589,9 @@ static int usbhs_probe(struct platform_device *pdev)
case USBHS_TYPE_RCAR_GEN3:
priv->pfunc = usbhs_rcar3_ops;
break;
case USBHS_TYPE_RCAR_GEN3_WITH_PLL:
priv->pfunc = usbhs_rcar3_with_pll_ops;
break;
default:
if (!info->platform_callback.get_id) {
dev_err(&pdev->dev, "no platform callbacks");