usb: dwc2: correctly handle binding for g-tx-fifo-size

Manage g-tx-fifo-size as a array as specify in the binding.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c
index 494ab533cca31a3c19b530ed44d2545625e4168d..023439cdaccd3997bef3bcf035250f0a187e9ef0 100644 (file)
--- a/drivers/usb/gadget/dwc2_udc_otg.c
+++ b/drivers/usb/gadget/dwc2_udc_otg.c
@@ -1039,6 +1039,7 @@ static int dwc2_udc_otg_ofdata_to_platdata(struct udevice *dev)
        int node = dev_of_offset(dev);
        ulong drvdata;
        void (*set_params)(struct dwc2_plat_otg_data *data);
+       int ret;
 
        if (usb_get_dr_mode(node) != USB_DR_MODE_PERIPHERAL) {
                dev_dbg(dev, "Invalid mode\n");
@@ -1050,7 +1051,18 @@ static int dwc2_udc_otg_ofdata_to_platdata(struct udevice *dev)
        platdata->rx_fifo_sz = dev_read_u32_default(dev, "g-rx-fifo-size", 0);
        platdata->np_tx_fifo_sz = dev_read_u32_default(dev,
                                                       "g-np-tx-fifo-size", 0);
-       platdata->tx_fifo_sz = dev_read_u32_default(dev, "g-tx-fifo-size", 0);
+
+       platdata->tx_fifo_sz_nb =
+               dev_read_size(dev, "g-tx-fifo-size") / sizeof(u32);
+       if (platdata->tx_fifo_sz_nb > DWC2_MAX_HW_ENDPOINTS)
+               platdata->tx_fifo_sz_nb = DWC2_MAX_HW_ENDPOINTS;
+       if (platdata->tx_fifo_sz_nb) {
+               ret = dev_read_u32_array(dev, "g-tx-fifo-size",
+                                        platdata->tx_fifo_sz_array,
+                                        platdata->tx_fifo_sz_nb);
+               if (ret)
+                       return ret;
+       }
 
        platdata->force_b_session_valid =
                dev_read_bool(dev, "u-boot,force-b-session-valid");