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From: Inochi Amaoto <inochiama@outlook.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
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	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>
Cc: Chen Wang <unicorn_wang@outlook.com>,
	Liu Gui <kenneth.liu@sophgo.com>,
	Inochi Amaoto <inochiama@outlook.com>,
	linux-usb@vger.kernel.org,
	devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: [PATCH 2/2] usb: dwc2: add support for Sophgo CV18XX/SG200X series SoC
Date: Tue, 26 Mar 2024 10:37:29 +0800
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Add params for DWC2 IP in Sophgo CV18XX/SG200X series SoC.

Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
---
 drivers/usb/dwc2/params.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index eb677c3cfd0b..171fcb34eb75 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -201,6 +201,25 @@ static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)
 	p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
 }

+static void dwc2_set_cv1800_params(struct dwc2_hsotg *hsotg)
+{
+	struct dwc2_core_params *p = &hsotg->params;
+
+	p->otg_caps.hnp_support = false;
+	p->otg_caps.srp_support = false;
+	p->host_dma = false;
+	p->g_dma = false;
+	p->speed = DWC2_SPEED_PARAM_HIGH;
+	p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
+	p->phy_utmi_width = 16;
+	p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
+	p->lpm = false;
+	p->lpm_clock_gating = false;
+	p->besl = false;
+	p->hird_threshold_en = false;
+	p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
+}
+
 static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg)
 {
 	struct dwc2_core_params *p = &hsotg->params;
@@ -295,6 +314,8 @@ const struct of_device_id dwc2_of_match_table[] = {
 	  .data = dwc2_set_amlogic_a1_params },
 	{ .compatible = "amcc,dwc-otg", .data = dwc2_set_amcc_params },
 	{ .compatible = "apm,apm82181-dwc-otg", .data = dwc2_set_amcc_params },
+	{ .compatible = "sophgo,cv1800-usb",
+	  .data = dwc2_set_cv1800_params },
 	{ .compatible = "st,stm32f4x9-fsotg",
 	  .data = dwc2_set_stm32f4x9_fsotg_params },
 	{ .compatible = "st,stm32f4x9-hsotg" },
--
2.44.0