linux-kernel - [RFC][PATCH v2 5/5] usb: dwc3: dwc3-of-simple: Add support for dwc3 of Hisilicon Soc Platform

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Message-Id: <20191007175553.66940-6-john.stultz@linaro.org>
Date:   Mon,  7 Oct 2019 17:55:53 +0000
From:   John Stultz <john.stultz@...aro.org>
To:     lkml <linux-kernel@...r.kernel.org>
Cc:     Yu Chen <chenyu56@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        John Stultz <john.stultz@...aro.org>
Subject: [RFC][PATCH v2 5/5] usb: dwc3: dwc3-of-simple: Add support for dwc3 of Hisilicon Soc Platform

From: Yu Chen <chenyu56@...wei.com>

This patch adds support for the poweron and shutdown of dwc3 core
on Hisilicon Soc Platform.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Felipe Balbi <balbi@...nel.org>
Cc: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Yu Chen <chenyu56@...wei.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>
Cc: Chunfeng Yun <chunfeng.yun@...iatek.com>
Cc: linux-usb@...r.kernel.org
Cc: devicetree@...r.kernel.org
Signed-off-by: Yu Chen <chenyu56@...wei.com>
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 drivers/usb/dwc3/dwc3-of-simple.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index bdac3e7d7b18..78617500edee 100644
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -51,7 +51,8 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
 	 * Some controllers need to toggle the usb3-otg reset before trying to
 	 * initialize the PHY, otherwise the PHY times out.
 	 */
-	if (of_device_is_compatible(np, "rockchip,rk3399-dwc3"))
+	if (of_device_is_compatible(np, "rockchip,rk3399-dwc3") ||
+	    of_device_is_compatible(np, "hisilicon,hi3660-dwc3"))
 		simple->need_reset = true;
 
 	if (of_device_is_compatible(np, "amlogic,meson-axg-dwc3") ||
@@ -183,6 +184,7 @@ static const struct of_device_id of_dwc3_simple_match[] = {
 	{ .compatible = "amlogic,meson-axg-dwc3" },
 	{ .compatible = "amlogic,meson-gxl-dwc3" },
 	{ .compatible = "allwinner,sun50i-h6-dwc3" },
+	{ .compatible = "hisilicon,hi3660-dwc3" },
 	{ /* Sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, of_dwc3_simple_match);
-- 
2.17.1