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Date: Tue, 5 Dec 2017 14:27:03 -0800 From: tyler@...nsourcefoundries.com To: shawnguo@...nel.org, festevam@...il.com, kernel@...gutronix.de Cc: robh+dt@...nel.org, mark.rutland@....com, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, fabio.estevam@....com, Tyler Baker <tyler@...nsourcefoundries.com> Subject: [PATCH v1 2/6] ARM: dts: imx7d-cl-som: add nodes for usbh, and usbotg2 From: Tyler Baker <tyler@...nsourcefoundries.com> Add device tree nodes for the USB hub, and USB OTG. i2c2 on this platform supports low state retention power state so lets use it. Signed-off-by: Tyler Baker <tyler@...nsourcefoundries.com> --- arch/arm/boot/dts/imx7d-cl-som-imx7.dts | 34 ++++++++++++++++++++++++++------- 1 file changed, 27 insertions(+), 7 deletions(-) diff --git a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts index ae45af1..49bd371 100644 --- a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts +++ b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts @@ -30,6 +30,16 @@ gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + reg_usbh_nreset: regulator-vbus { + compatible = "regulator-fixed"; + regulator-name = "usb_host_nreset"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&pca9555 6 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-always-on; + }; }; &cpu0 { @@ -199,6 +209,16 @@ status = "okay"; }; +&usbotg2 { + dr_mode = "host"; + status = "okay"; +}; + +&usbh { + vbus-supply = <®_usbh_nreset>; + status = "okay"; +}; + &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; @@ -247,13 +267,6 @@ >; }; - pinctrl_i2c2: i2c2grp { - fsl,pins = < - MX7D_PAD_I2C2_SDA__I2C2_SDA 0x4000007f - MX7D_PAD_I2C2_SCL__I2C2_SCL 0x4000007f - >; - }; - pinctrl_uart1: uart1grp { fsl,pins = < MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79 @@ -284,4 +297,11 @@ MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x14 /* OTG PWREN */ >; }; + + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX7D_PAD_LPSR_GPIO1_IO07__I2C2_SDA 0x4000000f + MX7D_PAD_LPSR_GPIO1_IO06__I2C2_SCL 0x4000000f + >; + }; }; -- 2.9.3
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