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authorSvyatoslav Ryhel <clamor95@gmail.com>2026-02-02 10:05:26 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-02-05 17:16:24 +0100
commite5b250214aa402e079de566e10f6e01223fd26bd (patch)
tree4f0f18cbbaf5af164e06e3efb124c61a937cb97c /drivers/usb
parent8dc7ab65bd15e3c774f60ca073158bcb9a26ee5b (diff)
usb: phy: tegra: parametrize PORTSC1 register offset
The PORTSC1 register has a different offset in Tegra20 compared to Tegra30+, yet they share a crucial set of registers required for HSIC functionality. Reflect this register offset change in the SoC config. Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com> Link: https://patch.msgid.link/20260202080526.23487-5-clamor95@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/phy/phy-tegra-usb.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index 812d99443180..00443a7beaeb 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -965,17 +965,10 @@ static int uhsic_phy_power_on(struct tegra_usb_phy *phy)
writel_relaxed(val, base + USB_TXFILLTUNING);
}
- if (phy->soc_config->has_hostpc) {
- val = readl_relaxed(base + TEGRA30_USB_PORTSC1);
- val &= ~(TEGRA_USB_PORTSC1_WKOC | TEGRA_USB_PORTSC1_WKDS |
- TEGRA_USB_PORTSC1_WKCN);
- writel_relaxed(val, base + TEGRA30_USB_PORTSC1);
- } else {
- val = readl_relaxed(base + TEGRA_USB_PORTSC1);
- val &= ~(TEGRA_USB_PORTSC1_WKOC | TEGRA_USB_PORTSC1_WKDS |
- TEGRA_USB_PORTSC1_WKCN);
- writel_relaxed(val, base + TEGRA_USB_PORTSC1);
- }
+ val = readl_relaxed(base + phy->soc_config->portsc1_offset);
+ val &= ~(TEGRA_USB_PORTSC1_WKOC | TEGRA_USB_PORTSC1_WKDS |
+ TEGRA_USB_PORTSC1_WKCN);
+ writel_relaxed(val, base + phy->soc_config->portsc1_offset);
val = tegra_hsic_readl(phy, UHSIC_PADS_CFG0);
val &= ~UHSIC_TX_RTUNEN;
@@ -1472,6 +1465,7 @@ static const struct tegra_phy_soc_config tegra20_soc_config = {
.uhsic_registers_offset = 0,
.uhsic_tx_rtune = 0, /* 40 ohm */
.uhsic_pts_value = 0, /* UTMI */
+ .portsc1_offset = TEGRA_USB_PORTSC1,
};
static const struct tegra_phy_soc_config tegra30_soc_config = {
@@ -1483,6 +1477,7 @@ static const struct tegra_phy_soc_config tegra30_soc_config = {
.uhsic_registers_offset = 0x400,
.uhsic_tx_rtune = 8, /* 50 ohm */
.uhsic_pts_value = TEGRA_USB_HOSTPC1_DEVLC_PTS_HSIC,
+ .portsc1_offset = TEGRA30_USB_PORTSC1,
};
static const struct of_device_id tegra_usb_phy_id_table[] = {