From: Adrien Grassein <adrien.grassein@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
catalin.marinas@arm.com, will@kernel.org, krzk@kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Adrien Grassein <adrien.grassein@gmail.com>
Subject: [PATCH 2/8] arm64: dts: imx8mm-nitrogen-r2: add USB support
Date: Tue, 16 Feb 2021 00:19:37 +0100 [thread overview]
Message-ID: <20210215231943.36910-3-adrien.grassein@gmail.com> (raw)
In-Reply-To: <20210215231943.36910-1-adrien.grassein@gmail.com>
add description of USB.
usbotg2 seems to not working on all boards (including ones
from variscite).
Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
---
.../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 42 +++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
index bf20a40bcda0..1b29d8a12d04 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
@@ -231,6 +231,34 @@ &usdhc3 {
status = "okay";
};
+/* USB OTG port */
+&usbotg1 {
+ dr_mode = "otg";
+ over-current-active-low;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbotg1>;
+ power-active-high;
+ status = "okay";
+};
+
+/* USB Host port */
+&usbotg2 {
+ dr_mode = "host";
+ over-current-active-low;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbotg2>;
+ power-active-high;
+ /*
+ * FIXME: having USB2 enabled hangs the boot just after:
+ *[ 1.655941] ci_hdrc ci_hdrc.1: EHCI Host Controller
+ *[ 1.660880] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
+ *[ 1.681505] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
+ *[ 1.687730] hub 2-0:1.0: USB hub found
+ *[ 1.691528] hub 2-0:1.0: 1 port detected
+ */
+ status = "disabled";
+};
+
&wdog1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
@@ -302,6 +330,20 @@ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
>;
};
+ pinctrl_usbotg1: usbotg1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO12_USB1_OTG_PWR 0x16
+ MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x156
+ >;
+ };
+
+ pinctrl_usbotg2: usbotg2grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO14_USB2_OTG_PWR 0x16
+ MX8MM_IOMUXC_GPIO1_IO15_USB2_OTG_OC 0x156
+ >;
+ };
+
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190
--
2.25.1
next prev parent reply other threads:[~2021-02-15 23:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-15 23:19 [PATCH 0/8] Add peripheral support for imx8mm-nitrogen-r2 board Adrien Grassein
2021-02-15 23:19 ` [PATCH 1/8] arm64: dts: imx8mm-nitrogen-r2: add wifi/bt chip Adrien Grassein
2021-02-17 11:58 ` Krzysztof Kozlowski
2021-02-17 14:43 ` Adrien Grassein
2021-02-15 23:19 ` Adrien Grassein [this message]
2021-02-17 12:03 ` [PATCH 2/8] arm64: dts: imx8mm-nitrogen-r2: add USB support Krzysztof Kozlowski
2021-02-15 23:19 ` [PATCH 3/8] arm64: dts: imx8mm-nitrogen-r2: add espi2 support Adrien Grassein
2021-02-17 14:20 ` Krzysztof Kozlowski
2021-02-15 23:19 ` [PATCH 4/8] arm64: dts: imx8mm-nitrogen-r2: add uarts Adrien Grassein
2021-02-17 14:22 ` Krzysztof Kozlowski
2021-02-17 16:09 ` Adrien Grassein
2021-02-15 23:19 ` [PATCH 5/8] arm64: dts: imx8mm-nitrogen-r2: add pwms Adrien Grassein
2021-02-17 14:25 ` Krzysztof Kozlowski
2021-02-15 23:19 ` [PATCH 6/8] arm64: dts: imx8mm-nitrogen-r2: add flexspi Adrien Grassein
2021-02-17 14:27 ` Krzysztof Kozlowski
2021-02-15 23:19 ` [PATCH 7/8] arm64: dts: imx8mm-nitrogen-r2: add sai Adrien Grassein
2021-02-15 23:19 ` [PATCH 8/8] arm64: defconfig: Enable wm8960 audio driver Adrien Grassein
2021-02-17 14:29 ` Krzysztof Kozlowski
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