On 05/22/2017 09:42 AM, patrice.chotard@st.com wrote:

From: Patrice Chotard patrice.chotard@st.com

Add Driver Model support with use of generic DT compatible string "snps,dwc3"

Signed-off-by: Patrice Chotard patrice.chotard@st.com

Reviewed-by: Marek Vasut marex@denx.de

I'd like to get an AB/RB from SJG.

---

v2: _ use dev_get_addr() and removed useless piece of code

drivers/usb/host/xhci-dwc3.c | 50 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)

diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 33961cd..ab75fb7 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -9,9 +9,19 @@ */

#include <common.h> +#include <dm.h> +#include <usb.h>

+#include "xhci.h" #include <asm/io.h> #include <linux/usb/dwc3.h>

+DECLARE_GLOBAL_DATA_PTR;

+struct xhci_dwc3_priv {

• struct xhci_ctrl ctrl;

+};

void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) { clrsetbits_le32(&dwc3_reg->g_ctl, @@ -97,3 +107,43 @@ void dwc3_set_fladj(struct dwc3 *dwc3_reg, u32 val) setbits_le32(&dwc3_reg->g_fladj, GFLADJ_30MHZ_REG_SEL | GFLADJ_30MHZ(val)); }

+static int xhci_dwc3_probe(struct udevice *dev) +{

• struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
• struct xhci_hcor *hcor;
• struct xhci_hccr *hccr;
• struct dwc3 *dwc3_reg;
• hccr = (struct xhci_hccr *)dev_get_addr(dev);
• hcor = (struct xhci_hcor *)((phys_addr_t)hccr +

• 	HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));
  

• dwc3_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET);
• dwc3_core_init(dwc3_reg);
• return xhci_register(dev, hccr, hcor);

+}

+static int xhci_dwc3_remove(struct udevice *dev) +{

• return xhci_deregister(dev);

+}

+static const struct udevice_id xhci_dwc3_ids[] = {

• { .compatible = "snps,dwc3" },
• { }

+};

+U_BOOT_DRIVER(xhci_dwc3) = {

• .name = "xhci-dwc3",
• .id = UCLASS_USB,
• .of_match = xhci_dwc3_ids,
• .probe = xhci_dwc3_probe,
• .remove = xhci_dwc3_remove,
• .ops = &xhci_usb_ops,
• .priv_auto_alloc_size = sizeof(struct xhci_dwc3_priv),
• .platdata_auto_alloc_size = sizeof(struct xhci_dwc3_platdata),
• .flags = DM_FLAG_ALLOC_PRIV_DMA,

+};

On 05/22/2017 09:42 AM, patrice.chotard@st.com wrote:

From: Patrice Chotard patrice.chotard@st.com

Add support of generic PHY framework support

Signed-off-by: Patrice Chotard patrice.chotard@st.com

Reviewed-by: Marek Vasut marex@denx.de

---

v2: _ none

drivers/usb/host/xhci-dwc3.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)

diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 8367ba2..76c0024 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -10,6 +10,8 @@

#include <common.h> #include <dm.h> +#include <fdtdec.h> +#include <generic-phy.h> #include <usb.h>

#include "xhci.h" @@ -19,6 +21,10 @@

DECLARE_GLOBAL_DATA_PTR;

+struct xhci_dwc3_platdata {

• struct phy usb_phy;

+};

struct xhci_dwc3_priv { struct xhci_ctrl ctrl; }; @@ -116,11 +122,26 @@ static int xhci_dwc3_probe(struct udevice *dev) struct xhci_hccr *hccr; struct dwc3 *dwc3_reg; enum usb_dr_mode dr_mode;

• int ret;

  hccr = (struct xhci_hccr *)dev_get_addr(dev); hcor = (struct xhci_hcor *)((phys_addr_t)hccr + HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));

• ret = generic_phy_get_by_index(dev, 0, &plat->usb_phy);

• if (ret) {

• if (ret != -ENOENT) {
  

• 	error("Failed to get USB PHY for %s\n", dev->name);
  

• 	return ret;
  

• }
  

• } else {

• ret = generic_phy_init(&plat->usb_phy);
  

• if (ret) {
  

• 	error("Can't init USB PHY for %s\n", dev->name);
  

• 	return ret;
  

• }
  

• }

• dwc3_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET);

  dwc3_core_init(dwc3_reg);

@@ -137,6 +158,17 @@ static int xhci_dwc3_probe(struct udevice *dev)

static int xhci_dwc3_remove(struct udevice *dev) {

• struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
• int ret;
• if (plat->usb_phy.dev) {

• ret = generic_phy_exit(&plat->usb_phy);
  

• if (ret) {
  

• 	error("Can't deinit USB PHY for %s\n", dev->name);
  

• 	return ret;
  

• }
  

• }
• return xhci_deregister(dev);

}