diff mbox

[3/8] ARM: dts: imx7d-cl-som: add nodes for usbh, and usbotg2

Message ID 20171130201434.14122-4-tyler@opensourcefoundries.com (mailing list archive)
State New, archived
Headers show

Commit Message

tyler@opensourcefoundries.com Nov. 30, 2017, 8:14 p.m. UTC
From: Tyler Baker <tyler@opensourcefoundries.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@opensourcefoundries.com>
---
 arch/arm/boot/dts/imx7d-cl-som-imx7.dts | 36 +++++++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 8 deletions(-)

Comments

Fabio Estevam Dec. 1, 2017, 8:13 p.m. UTC | #1
On Thu, Nov 30, 2017 at 6:14 PM,  <tyler@opensourcefoundries.com> wrote:
> From: Tyler Baker <tyler@opensourcefoundries.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@opensourcefoundries.com>
> ---
>  arch/arm/boot/dts/imx7d-cl-som-imx7.dts | 36 +++++++++++++++++++++++++--------
>  1 file changed, 28 insertions(+), 8 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..a9f690b 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@4 {

You should not use @4. Please make sure that regulators are not used
inside simple-bus.

> -
>         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 */
>                 >;
>         };
> -};
> \ No newline at end of file

This text here looks strange :-)

> +
> +       pinctrl_i2c2: i2c2grp {
> +               fsl,pins = <
> +                       MX7D_PAD_LPSR_GPIO1_IO07__I2C2_SDA              0x4000000f
> +                       MX7D_PAD_LPSR_GPIO1_IO06__I2C2_SCL              0x4000000f
> +               >;
> +       };
> +};
> --
> 2.9.3
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
tyler@opensourcefoundries.com Dec. 5, 2017, 8:59 p.m. UTC | #2
On Fri, Dec 1, 2017 at 12:13 PM, Fabio Estevam <festevam@gmail.com> wrote:
> On Thu, Nov 30, 2017 at 6:14 PM,  <tyler@opensourcefoundries.com> wrote:
>> From: Tyler Baker <tyler@opensourcefoundries.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@opensourcefoundries.com>
>> ---
>>  arch/arm/boot/dts/imx7d-cl-som-imx7.dts | 36 +++++++++++++++++++++++++--------
>>  1 file changed, 28 insertions(+), 8 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..a9f690b 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@4 {
>
> You should not use @4. Please make sure that regulators are not used
> inside simple-bus.

Good catch, will fix.

>> -
>>         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 */
>>                 >;
>>         };
>> -};
>> \ No newline at end of file
>
> This text here looks strange :-)

Indeed, I'll scrub it.
diff mbox

Patch

diff --git a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
index ae45af1..a9f690b 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@4 {
+		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 = <&reg_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 */
 		>;
 	};
-};
\ No newline at end of file
+
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX7D_PAD_LPSR_GPIO1_IO07__I2C2_SDA		0x4000000f
+			MX7D_PAD_LPSR_GPIO1_IO06__I2C2_SCL		0x4000000f
+		>;
+	};
+};