From: Selvarasu Ganesan <selvarasu.g@samsung.com>
To: krzk@kernel.org, peter.griffin@linaro.org,
alim.akhtar@samsung.com, gregkh@linuxfoundation.org,
robh@kernel.org, conor+dt@kernel.org, Thinh.Nguyen@synopsys.com,
selvarasu.g@samsung.com, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: jh0801.jung@samsung.com, dh10.jung@samsung.com,
akash.m5@samsung.com, hongpooh.kim@samsung.com,
eomji.oh@samsung.com, shijie.cai@samsung.com,
muhammed.ali@samsung.com, thiagu.r@samsung.com
Subject: [PATCH 3/3] usb: dwc3: Add Exynos8855 to the generic platform driver
Date: Thu, 3 Sep 2026 12:42:50 +0530 [thread overview]
Message-ID: <20260903071250.3421499-4-selvarasu.g@samsung.com> (raw)
In-Reply-To: <20260903071250.3421499-1-selvarasu.g@samsung.com>
Add the "samsung,snps-dwc3" compatible string to dwc3-generic-plat so
the Exynos8855 USB3 DWC3 controller can probe through the generic DWC3
platform glue.
The "samsung,snps-dwc3" string is used as a generic fallback to support
any Exynos SoC that utilizes a flattened model instantiation. This
fallback allows multiple Exynos SoCs to be supported by the generic
platform driver simply by adding the fallback compatible to their
respective device tree nodes.
Co-developed-by: Muhammed Ali <muhammed.ali@samsung.com>
Signed-off-by: Muhammed Ali <muhammed.ali@samsung.com>
Signed-off-by: Selvarasu Ganesan <selvarasu.g@samsung.com>
---
drivers/usb/dwc3/dwc3-generic-plat.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc3/dwc3-generic-plat.c b/drivers/usb/dwc3/dwc3-generic-plat.c
index ca69ac0eb07c..33a76c37d15d 100644
--- a/drivers/usb/dwc3/dwc3-generic-plat.c
+++ b/drivers/usb/dwc3/dwc3-generic-plat.c
@@ -237,6 +237,7 @@ static const struct of_device_id dwc3_generic_of_match[] = {
{ .compatible = "fsl,ls1028a-dwc3", &fsl_ls1028_dwc3},
{ .compatible = "eswin,eic7700-dwc3", &eic7700_dwc3},
{ .compatible = "starfive,jhb100-dwc3", },
+ { .compatible = "samsung,snps-dwc3", },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, dwc3_generic_of_match);
--
2.17.1
prev parent reply other threads:[~2026-09-03 7:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20260903071311epcas5p24c547d69b769818834ae2b7285cb541b@epcas5p2.samsung.com>
2026-09-03 7:12 ` [PATCH 0/3] Add USB DWC3 support for Samsung Exynos8855 Selvarasu Ganesan
2026-09-03 7:12 ` [PATCH 1/3] MAINTAINERS: add Samsung USB DT binding to ARM/SAMSUNG entry Selvarasu Ganesan
2026-09-03 7:12 ` [PATCH 2/3] dt-bindings: usb: Introduce samsung,snps-dwc3 Selvarasu Ganesan
2026-09-03 7:12 ` Selvarasu Ganesan [this message]
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