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[PATCH v2 2/8] arm64: dts: qcom: apq8016-sbc: add usb support

Started bySrinivas Kandagatla <srinivas.kandagatla@linaro.org>
First post2016-02-10 12:40 +0100
Last post2016-02-22 11:30 +0100
Articles 3 — 2 participants

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  [PATCH v2 2/8] arm64: dts: qcom: apq8016-sbc: add usb support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-02-10 12:40 +0100
    Re: [PATCH v2 2/8] arm64: dts: qcom: apq8016-sbc: add usb support Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-02-22 07:00 +0100
      Re: [PATCH v2 2/8] arm64: dts: qcom: apq8016-sbc: add usb support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-02-22 11:30 +0100

#1331084 — [PATCH v2 2/8] arm64: dts: qcom: apq8016-sbc: add usb support

FromSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date2016-02-10 12:40 +0100
Subject[PATCH v2 2/8] arm64: dts: qcom: apq8016-sbc: add usb support
Message-ID<r0BhM-1Cs-17@gated-at.bofh.it>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi | 15 ++++++++++
 arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi          | 35 ++++++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
index cbeee0b..4a79dd9 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
@@ -10,4 +10,19 @@
 			output-low;
 		};
 	};
+
+	usb_id_default: usb_id_default {
+		pinmux {
+			function = "gpio";
+			pins = "gpio121";
+		};
+
+		pinconf {
+			pins = "gpio121";
+			function = "gpio";
+			drive-strength = <8>;
+			input-enable;
+			bias-pull-up;
+		};
+	};
 };
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
index 9a6c595..23ba95a 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
@@ -151,6 +151,41 @@
 			cd-gpios = <&msmgpio 38 0x1>;
 			status = "okay";
 		};
+
+		usb@78d9000 {
+			extcon = <&usb_id>, <&usb_id>;
+			status = "okay";
+		};
+
+		ehci@78d9000 {
+			status = "okay";
+		};
+
+		phy@78d9000 {
+			v1p8-supply = <&pm8916_l7>;
+			v3p3-supply = <&pm8916_l13>;
+			vddcx-supply = <&pm8916_s1>;
+			extcon = <&usb_id>, <&usb_id>;
+			dr_mode = "otg";
+			status = "okay";
+			switch-gpio = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&usb_sw_sel_pm>;
+		};
+	};
+
+	usb2513 {
+		compatible = "smsc,usb3503";
+		reset-gpios = <&pm8916_gpios 3 GPIO_ACTIVE_LOW>;
+		initial-mode = <1>;
+	};
+
+	usb_id: usb-id {
+		interrupt-parent = <&msmgpio>;
+		compatible = "linux,extcon-usb-gpio";
+		id-gpio = <&msmgpio 121 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb_id_default>;
 	};
 };
 
-- 
1.9.1

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#1339143

FromBjorn Andersson <bjorn.andersson@linaro.org>
Date2016-02-22 07:00 +0100
Message-ID<r4RHk-118-1@gated-at.bofh.it>
In reply to#1331084
On Wed 10 Feb 03:36 PST 2016, Srinivas Kandagatla wrote:

> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi | 15 ++++++++++
>  arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi          | 35 ++++++++++++++++++++++
>  2 files changed, 50 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
> index cbeee0b..4a79dd9 100644
> --- a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
> +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
> @@ -10,4 +10,19 @@
>  			output-low;
>  		};
>  	};
> +
> +	usb_id_default: usb_id_default {

Labels are built with _, node names with -.

> +		pinmux {
> +			function = "gpio";
> +			pins = "gpio121";
> +		};

You don't need a separate node to specify function...

> +
> +		pinconf {
> +			pins = "gpio121";
> +			function = "gpio";

...but if you really want it, then you shouldn't specify the function
here.

> +			drive-strength = <8>;
> +			input-enable;
> +			bias-pull-up;
> +		};
> +	};
>  };
> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
[..]
> +
> +	usb_id: usb-id {
> +		interrupt-parent = <&msmgpio>;

interrupt-parent is part of specifying an interrupt. You're not doing
that here, so no need to specify a parent.

> +		compatible = "linux,extcon-usb-gpio";
> +		id-gpio = <&msmgpio 121 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usb_id_default>;
>  	};
>  };

Apart from these two nits

Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

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#1339324

FromSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date2016-02-22 11:30 +0100
Message-ID<r4VUC-4ex-17@gated-at.bofh.it>
In reply to#1339143
Thanks for the review,

On 22/02/16 05:51, Bjorn Andersson wrote:
> On Wed 10 Feb 03:36 PST 2016, Srinivas Kandagatla wrote:
>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>> ---
>>   arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi | 15 ++++++++++
>>   arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi          | 35 ++++++++++++++++++++++
>>   2 files changed, 50 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
>> index cbeee0b..4a79dd9 100644
>> --- a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
>> @@ -10,4 +10,19 @@
>>   			output-low;
>>   		};
>>   	};
>> +
>> +	usb_id_default: usb_id_default {
>
> Labels are built with _, node names with -.
>
>> +		pinmux {
>> +			function = "gpio";
>> +			pins = "gpio121";
>> +		};
>
> You don't need a separate node to specify function...
>
>> +
>> +		pinconf {
>> +			pins = "gpio121";
>> +			function = "gpio";
>
> ...but if you really want it, then you shouldn't specify the function
> here.
Oops, Will remove this and resend the patch.
>
>> +			drive-strength = <8>;
>> +			input-enable;
>> +			bias-pull-up;
>> +		};
>> +	};
>>   };
>> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> [..]
>> +
>> +	usb_id: usb-id {
>> +		interrupt-parent = <&msmgpio>;
>
> interrupt-parent is part of specifying an interrupt. You're not doing
> that here, so no need to specify a parent.
Yep, will clean this up in next version.
>
>> +		compatible = "linux,extcon-usb-gpio";
>> +		id-gpio = <&msmgpio 121 GPIO_ACTIVE_HIGH>;
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&usb_id_default>;
>>   	};
>>   };
>
> Apart from these two nits
>
> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Thanks,
srini
>
> Regards,
> Bjorn
>

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