From: Adrien Grassein <adrien.grassein@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: krzk@kernel.org, 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, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Adrien Grassein <adrien.grassein@gmail.com>
Subject: [PATCH v4 03/10] arm64: dts: imx8mm-nitrogen-r2: add USB support
Date: Tue, 23 Feb 2021 20:16:46 +0100 [thread overview]
Message-ID: <20210223191652.436397-4-adrien.grassein@gmail.com> (raw)
In-Reply-To: <20210223191652.436397-1-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>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
---
.../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 217ac8c53702..4f4cf7df5a5a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
@@ -247,6 +247,34 @@ &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>;
@@ -318,6 +346,20 @@ 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 0x15
+ >;
+ };
+
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190
--
2.25.1
next prev parent reply other threads:[~2021-02-23 19:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-23 19:16 [PATCH v4 00/10] Add peripheral support for imx8mm-nitrogen-r2 board Adrien Grassein
2021-02-23 19:16 ` [PATCH v4 01/10] arm64: dts: imx8mm-nitrogen-r2: add wifi/bt chip Adrien Grassein
2021-02-23 19:54 ` Krzysztof Kozlowski
2021-02-23 19:16 ` [PATCH v4 02/10] arm64: dts: imx8mm-nitrogen-r2: rework USDHC1 Adrien Grassein
2021-02-23 19:16 ` Adrien Grassein [this message]
2021-02-23 19:16 ` [PATCH v4 05/10] arm64: dts: imx8mm-nitrogen-r2: add UARTs Adrien Grassein
2021-02-23 19:16 ` [PATCH v4 06/10] arm64: dts: imx8mm-nitrogen-r2: rework UART 2 Adrien Grassein
2021-02-23 19:16 ` [PATCH v4 07/10] arm64: dts: imx8mm-nitrogen-r2: add PWMs Adrien Grassein
2021-02-23 19:16 ` [PATCH v4 08/10] arm64: dts: imx8mm-nitrogen-r2: add FlexSPI Adrien Grassein
2021-02-23 19:16 ` [PATCH v4 09/10] arm64: dts: imx8mm-nitrogen-r2: add audio Adrien Grassein
2021-02-23 19:16 ` [PATCH v4 10/10] arm64: defconfig: Enable wm8960 audio driver Adrien Grassein
2021-03-08 0:46 ` [PATCH v4 00/10] Add peripheral support for imx8mm-nitrogen-r2 board Shawn Guo
2021-03-08 11:54 ` Adrien Grassein
2021-03-08 12:30 ` Shawn Guo
2021-03-08 12:32 ` Adrien Grassein
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