USB: EHCI: Add reset delay for QCA6234 HSIC interface
Since it might take 150ms for QCA6234 to initialize from boot code
when receiving HSIC bus reset.
Add delay between the HSIC bus reset and enumeration.
Change-Id: I78520e290e7b7c5e8c686a303cb1cd63bde520ae
Signed-off-by: Ming-yi Lin <mylin@codeaurora.org>
diff --git a/drivers/usb/host/ehci-msm-hsic.c b/drivers/usb/host/ehci-msm-hsic.c
index ef45d49..253658e 100644
--- a/drivers/usb/host/ehci-msm-hsic.c
+++ b/drivers/usb/host/ehci-msm-hsic.c
@@ -1878,6 +1878,8 @@
&pdata->strobe_pad_offset);
of_property_read_u32(node, "hsic,data-pad-offset",
&pdata->data_pad_offset);
+ of_property_read_u32(node, "hsic,reset-delay",
+ &pdata->reset_delay);
of_property_read_u32(node, "hsic,log2-itc",
&pdata->log2_irq_thresh);
if (pdata->log2_irq_thresh > 6)
@@ -1981,6 +1983,9 @@
mehci->ehci.resume_sof_bug = 1;
}
+ if (pdata->reset_delay)
+ mehci->ehci.reset_delay = pdata->reset_delay;
+
mehci->ehci.pool_64_bit_align = pdata->pool_64_bit_align;
mehci->enable_hbm = pdata->enable_hbm;