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set up dtsi correctly for usb HS workaround #108

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set up dtsi correctly for usb HS workaround #108

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1335421
set up dtsi correctly for usb HS workaround
robbederks Apr 2, 2026
983d86b
mimic other kernels
robbederks Apr 2, 2026
b2b373d
EQ tuning change
robbederks Apr 2, 2026
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65 changes: 65 additions & 0 deletions arch/arm64/boot/dts/qcom/comma_common.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -183,8 +183,73 @@
extcon = <&extcon_usb1>;
};

&tlmm {
usb1_hs_pulldown {
usb1_hs_pulldown_active: usb1_hs_pulldown_active {
mux {
pins = "gpio122";
function = "gpio";
};
config {
pins = "gpio122";
drive-strength = <2>;
bias-pull-up;
output-high;
};
};
usb1_hs_pulldown_suspend: usb1_hs_pulldown_suspend {
mux {
pins = "gpio122";
function = "gpio";
};
config {
pins = "gpio122";
drive-strength = <2>;
bias-pull-down;
output-low;
};
};
};

usb2_hs_pulldown {
usb2_hs_pulldown_active: usb2_hs_pulldown_active {
mux {
pins = "gpio135";
function = "gpio";
};
config {
pins = "gpio135";
drive-strength = <2>;
bias-pull-up;
output-high;
};
};
usb2_hs_pulldown_suspend: usb2_hs_pulldown_suspend {
mux {
pins = "gpio135";
function = "gpio";
};
config {
pins = "gpio135";
drive-strength = <2>;
bias-pull-down;
output-low;
};
};
};
};

&qusb_phy0 {
pinctrl-names = "atest_usb13_suspend", "atest_usb13_active";
pinctrl-0 = <&usb1_hs_pulldown_suspend>;
pinctrl-1 = <&usb1_hs_pulldown_active>;
};

&qusb_phy1 {
status = "okay";
pinctrl-names = "atest_usb13_suspend", "atest_usb13_active";
pinctrl-0 = <&usb2_hs_pulldown_suspend>;
pinctrl-1 = <&usb2_hs_pulldown_active>;
};

&pmi8998_pdphy {
Expand Down
6 changes: 3 additions & 3 deletions arch/arm64/boot/dts/qcom/sdm845-670-usb-common.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,7 @@
0x1024 0x85 0x00 /* COM_SSC_STEP_SIZE1 */
0x1028 0x07 0x00 /* COM_SSC_STEP_SIZE2 */
0x1430 0x0b 0x00 /* RXA_UCDR_FASTLOCK_FO_GAIN */
0x14d4 0x0f 0x00 /* RXA_RX_EQU_ADAPTOR_CNTRL2 */
0x14d4 0x0a 0x00 /* RXA_RX_EQU_ADAPTOR_CNTRL2 */
0x14d8 0x4e 0x00 /* RXA_RX_EQU_ADAPTOR_CNTRL3 */
0x14dc 0x18 0x00 /* RXA_RX_EQU_ADAPTOR_CNTRL4 */
0x14f8 0x77 0x00 /* RXA_RX_EQ_OFFSET_ADAPTOR_CNTRL1 */
Expand All @@ -232,7 +232,7 @@
0x1564 0x05 0x00 /* RXA_RX_MODE_00 */
0x14c0 0x03 0x00 /* RXA_VGA_CAL_CNTRL2 */
0x1830 0x0b 0x00 /* RXB_UCDR_FASTLOCK_FO_GAIN */
0x18d4 0x0f 0x00 /* RXB_RX_EQU_ADAPTOR_CNTRL2 */
0x18d4 0x0a 0x00 /* RXB_RX_EQU_ADAPTOR_CNTRL2 */
0x18d8 0x4e 0x00 /* RXB_RX_EQU_ADAPTOR_CNTRL3 */
0x18dc 0x18 0x00 /* RXB_RX_EQU_ADAPTOR_CNTRL4 */
0x18f8 0x77 0x00 /* RXB_RX_EQ_OFFSET_ADAPTOR_CNTRL1 */
Expand Down Expand Up @@ -522,7 +522,7 @@
0x4c0 0x0c 0x00 /* QSERDES_RX_VGA_CAL_CNTRL2 */
0x564 0x50 0x00 /* QSERDES_RX_RX_MODE_00 */
0x430 0x0b 0x00 /* QSERDES_RX_UCDR_FASTLOCK_FO_GAIN */
0x4d4 0x0e 0x00 /* QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2 */
0x4d4 0x0a 0x00 /* QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2 */
0x4d8 0x4e 0x00 /* QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3 */
0x4dc 0x18 0x00 /* QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4 */
0x4f8 0x77 0x00 /* RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1 */
Expand Down