usb: phy: tegra: get ULPI reset GPIO info using DT.
As GPIO information is avail through DT, used it to get Tegra ULPI
reset GPIO number. Added a new member to tegra_usb_phy structure to
store this number.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index 0ff1f3e..b8c688a 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -541,11 +541,10 @@
int ret;
unsigned long val;
void __iomem *base = phy->regs;
- struct tegra_ulpi_config *config = phy->config;
- gpio_direction_output(config->reset_gpio, 0);
+ gpio_direction_output(phy->reset_gpio, 0);
msleep(5);
- gpio_direction_output(config->reset_gpio, 1);
+ gpio_direction_output(phy->reset_gpio, 1);
clk_prepare_enable(phy->clk);
msleep(1);
@@ -603,10 +602,8 @@
static int ulpi_phy_power_off(struct tegra_usb_phy *phy)
{
- struct tegra_ulpi_config *config = phy->config;
-
clk_disable(phy->clk);
- return gpio_direction_output(config->reset_gpio, 0);
+ return gpio_direction_output(phy->reset_gpio, 0);
}
static int tegra_phy_init(struct usb_phy *x)
@@ -622,18 +619,18 @@
pr_err("%s: can't get ulpi clock\n", __func__);
return PTR_ERR(phy->clk);
}
- if (!gpio_is_valid(ulpi_config->reset_gpio))
- ulpi_config->reset_gpio =
- of_get_named_gpio(phy->dev->of_node,
- "nvidia,phy-reset-gpio", 0);
- if (!gpio_is_valid(ulpi_config->reset_gpio)) {
+
+ phy->reset_gpio =
+ of_get_named_gpio(phy->dev->of_node,
+ "nvidia,phy-reset-gpio", 0);
+ if (!gpio_is_valid(phy->reset_gpio)) {
pr_err("%s: invalid reset gpio: %d\n", __func__,
- ulpi_config->reset_gpio);
+ phy->reset_gpio);
err = -EINVAL;
goto err1;
}
- gpio_request(ulpi_config->reset_gpio, "ulpi_phy_reset_b");
- gpio_direction_output(ulpi_config->reset_gpio, 0);
+ gpio_request(phy->reset_gpio, "ulpi_phy_reset_b");
+ gpio_direction_output(phy->reset_gpio, 0);
phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0);
phy->ulpi->io_priv = phy->regs + ULPI_VIEWPORT;
} else {