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authorMarek Szyprowski <m.szyprowski@samsung.com>2019-06-14 09:52:53 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2019-06-18 11:58:28 +0300
commit1112cf4c4109473fd8a30a4678d25f9321ef5d67 (patch)
tree3ebc727d082e2d9fa48fb46b31a8e923743f5fbd /drivers/usb/dwc2
parentf90db10779adab4b2bb12dd5de661616b6fda9e3 (diff)
downloadlinux-1112cf4c4109473fd8a30a4678d25f9321ef5d67.tar.xz
usb: dwc2: Force 8bit UTMI width for Samsung Exynos SoCs
Samsung Exynos SoCs require to force UTMI width to 8bit, otherwise the host side of the shared USB2 PHY doesn't work. Reported-by: Krzysztof Kozlowski <krzk@kernel.org> Fixes: 707d80f0a3c5 ("usb: dwc2: gadget: Replace phyif with phy_utmi_width") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Minas Harutyunyan <hminas@synopsys.com> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Tested-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/params.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 6900eea57526..9ece4affb9d4 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -76,6 +76,7 @@ static void dwc2_set_s3c6400_params(struct dwc2_hsotg *hsotg)
struct dwc2_core_params *p = &hsotg->params;
p->power_down = 0;
+ p->phy_utmi_width = 8;
}
static void dwc2_set_rk_params(struct dwc2_hsotg *hsotg)