This adds USBHS PHY and registers USBHS device if the driver is enabled.
Signed-off-by: Valentine Barshak <valentine.bars...@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto...@renesas.com>
---
arch/arm/mach-shmobile/board-lager.c | 115 +++++++++++++++++++++++++++++++++++
1 file changed, 115 insertions(+)
diff --git a/arch/arm/mach-shmobile/board-lager.c
b/arch/arm/mach-shmobile/board-lager.c
index 78a31b6..0f07857 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
@@ -29,11 +30,14 @@
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_data/rcar-du.h>
+#include <linux/platform_data/usb-rcar-gen2-phy.h>
#include <linux/platform_device.h>
#include <linux/phy.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/sh_eth.h>
+#include <linux/usb/phy.h>
+#include <linux/usb/renesas_usbhs.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a7790.h>
@@ -165,6 +169,107 @@ static const struct resource ether_resources[]
__initconst = {
DEFINE_RES_IRQ(gic_spi(162)),
};
+/* USBHS */
+#if IS_ENABLED(CONFIG_USB_RENESAS_USBHS_UDC)
+static const struct resource usbhs_resources[] __initconst = {
+ DEFINE_RES_MEM(0xe6590000, 0x100),
+ DEFINE_RES_IRQ(gic_spi(107)),
+};
+
+struct usbhs_private {
+ struct renesas_usbhs_platform_info info;
+ struct usb_phy *phy;
+};
+
+#define usbhs_get_priv(pdev) \
+ container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info)
+
+static int usbhs_power_ctrl(struct platform_device *pdev,
+ void __iomem *base, int enable)
+{
+ struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+ if (!priv->phy)
+ return -ENODEV;
+
+ if (enable) {
+ int retval = usb_phy_init(priv->phy);
+
+ if (!retval)
+ retval = usb_phy_set_suspend(priv->phy, 0);
+ return retval;
+ }
+
+ usb_phy_set_suspend(priv->phy, 1);
+ usb_phy_shutdown(priv->phy);
+ return 0;
+}
+
+static int usbhs_hardware_init(struct platform_device *pdev)
+{
+ struct usbhs_private *priv = usbhs_get_priv(pdev);
+ struct usb_phy *phy;
+
+ phy = usb_get_phy(USB_PHY_TYPE_USB2);
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
+
+ priv->phy = phy;
+ return 0;
+}
+
+static int usbhs_hardware_exit(struct platform_device *pdev)
+{
+ struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+ if (!priv->phy)
+ return 0;
+
+ usb_put_phy(priv->phy);
+ priv->phy = NULL;
+ return 0;
+}
+
+static int usbhs_get_id(struct platform_device *pdev)
+{
+ return USBHS_GADGET;
+}
+
+static struct usbhs_private usbhs_priv __initdata = {
+ .info = {
+ .platform_callback = {
+ .power_ctrl = usbhs_power_ctrl,
+ .hardware_init = usbhs_hardware_init,
+ .hardware_exit = usbhs_hardware_exit,
+ .get_id = usbhs_get_id,
+ },
+ .driver_param = {
+ .buswait_bwait = 4,
+ },
+ }
+};
+
+#define lager_register_usbhs() \
+ platform_device_register_resndata(&platform_bus, \
+ "renesas_usbhs", -1, \
+ usbhs_resources, \
+ ARRAY_SIZE(usbhs_resources), \
+ &usbhs_priv.info, \
+ sizeof(usbhs_priv.info))
+#else /* CONFIG_USB_RENESAS_USBHS_UDC */
+#define lager_register_usbhs()
+#endif /* CONFIG_USB_RENESAS_USBHS_UDC */
+
+/* USBHS PHY */
+static const struct rcar_gen2_phy_platform_data usbhs_phy_pdata __initconst = {
+ .chan0_pci = 0, /* Channel 0 is USBHS */
+ .chan2_pci = 1, /* Channel 2 is PCI USB */
+};
+
+static const struct resource usbhs_phy_resources[] __initconst = {
+ DEFINE_RES_MEM(0xe6590100, 0x100),
+};
+
static const struct pinctrl_map lager_pinctrl_map[] = {
/* DU (CN10: ARGB0, CN13: LVDS) */
PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790",
@@ -193,6 +298,9 @@ static const struct pinctrl_map lager_pinctrl_map[] = {
"eth_rmii", "eth"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
"intc_irq0", "intc"),
+ /* USB0 */
+ PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7790",
+ "usb0", "usb0"),
};
static void __init lager_add_standard_devices(void)
@@ -221,6 +329,13 @@ static void __init lager_add_standard_devices(void)
ARRAY_SIZE(ether_resources),
ðer_pdata, sizeof(ether_pdata));
+ platform_device_register_resndata(&platform_bus, "usb_phy_rcar_gen2",
+ -1, usbhs_phy_resources,
+ ARRAY_SIZE(usbhs_phy_resources),
+ &usbhs_phy_pdata,
+ sizeof(usbhs_phy_pdata));
+ lager_register_usbhs();
+
lager_add_du_device();
}
--
1.8.3.1
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