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usb: chipidea: tegra: Specify TX FIFO threshold in UDC SoC info

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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>
This commit is contained in:
Dmitry Osipenko 2020-12-18 15:02:44 +03:00 committed by Greg Kroah-Hartman
parent a728f91bcc
commit a1fdd107cd
1 changed files with 14 additions and 5 deletions
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19
drivers/usb/chipidea/ci_hdrc_tegra.c
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@ -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 */
}