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authorDmitry Osipenko2020-12-18 15:02:44 +0300
committerGreg Kroah-Hartman2021-01-13 11:26:34 +0100
commita1fdd107cd0c7cf3a575c994cc2766c67b6689e0 (patch)
tree0135199cae5ed47bc78b0ec173b2ac462ea81948
parenta728f91bcc70dc9c7f50ac25a37806c0bbb7108b (diff)
usb: chipidea: tegra: Specify TX FIFO threshold in UDC SoC info
The UDC/OTG controller could be switched to a host mode and the TXFILLTUNING register needs to be programmed properly for the host mode. Hence specify the TX FIFO threshold in the UDC SoC info. Acked-by: Peter Chen <peter.chen@kernel.org> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/20201218120246.7759-8-digetx@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/chipidea/ci_hdrc_tegra.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c
index 655671159511..90f2a8b786be 100644
--- a/drivers/usb/chipidea/ci_hdrc_tegra.c
+++ b/drivers/usb/chipidea/ci_hdrc_tegra.c
@@ -52,11 +52,20 @@ static const struct tegra_usb_soc_info tegra30_ehci_soc_info = {
.txfifothresh = 16,
};
-static const struct tegra_usb_soc_info tegra_udc_soc_info = {
+static const struct tegra_usb_soc_info tegra20_udc_soc_info = {
.flags = CI_HDRC_REQUIRES_ALIGNED_DMA |
CI_HDRC_OVERRIDE_PHY_CONTROL |
CI_HDRC_SUPPORTS_RUNTIME_PM,
.dr_mode = USB_DR_MODE_UNKNOWN,
+ .txfifothresh = 10,
+};
+
+static const struct tegra_usb_soc_info tegra30_udc_soc_info = {
+ .flags = CI_HDRC_REQUIRES_ALIGNED_DMA |
+ CI_HDRC_OVERRIDE_PHY_CONTROL |
+ CI_HDRC_SUPPORTS_RUNTIME_PM,
+ .dr_mode = USB_DR_MODE_UNKNOWN,
+ .txfifothresh = 16,
};
static const struct of_device_id tegra_usb_of_match[] = {
@@ -68,16 +77,16 @@ static const struct of_device_id tegra_usb_of_match[] = {
.data = &tegra30_ehci_soc_info,
}, {
.compatible = "nvidia,tegra20-udc",
- .data = &tegra_udc_soc_info,
+ .data = &tegra20_udc_soc_info,
}, {
.compatible = "nvidia,tegra30-udc",
- .data = &tegra_udc_soc_info,
+ .data = &tegra30_udc_soc_info,
}, {
.compatible = "nvidia,tegra114-udc",
- .data = &tegra_udc_soc_info,
+ .data = &tegra30_udc_soc_info,
}, {
.compatible = "nvidia,tegra124-udc",
- .data = &tegra_udc_soc_info,
+ .data = &tegra30_udc_soc_info,
}, {
/* sentinel */
}