add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/usb/chipidea/ci_hdrc_imx.c
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@@ -70,6 +70,10 @@
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 		CI_HDRC_PMQOS,
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 };
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+static const struct ci_hdrc_imx_platform_flag imx8ulp_usb_data = {
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+	.flags = CI_HDRC_SUPPORTS_RUNTIME_PM,
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+};
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+
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 static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
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 	{ .compatible = "fsl,imx23-usb", .data = &imx23_usb_data},
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 	{ .compatible = "fsl,imx28-usb", .data = &imx28_usb_data},
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@@ -80,6 +84,7 @@
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 	{ .compatible = "fsl,imx6ul-usb", .data = &imx6ul_usb_data},
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 	{ .compatible = "fsl,imx7d-usb", .data = &imx7d_usb_data},
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 	{ .compatible = "fsl,imx7ulp-usb", .data = &imx7ulp_usb_data},
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+	{ .compatible = "fsl,imx8ulp-usb", .data = &imx8ulp_usb_data},
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 	{ /* sentinel */ }
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 };
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 MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
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@@ -170,10 +175,12 @@
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 	if (of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI)
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 		data->ulpi = 1;
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-	of_property_read_u32(np, "samsung,picophy-pre-emp-curr-control",
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-			&data->emp_curr_control);
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-	of_property_read_u32(np, "samsung,picophy-dc-vol-level-adjust",
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-			&data->dc_vol_level_adjust);
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+	if (of_property_read_u32(np, "samsung,picophy-pre-emp-curr-control",
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+			&data->emp_curr_control))
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+		data->emp_curr_control = -1;
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+	if (of_property_read_u32(np, "samsung,picophy-dc-vol-level-adjust",
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+			&data->dc_vol_level_adjust))
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+		data->dc_vol_level_adjust = -1;
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 	return data;
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 }