[PATCH v3 1/3] regulator: axp20x: add drivevbus support for axp803

[PATCH v3 1/3] regulator: axp20x: add drivevbus support for axp803

[Jagan Teki]

Like axp221, axp223, axp813 the axp803 is also supporting external
regulator to drive the  OTG VBus through N_VBUSEN PMIC pin.

Add support for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes for v3:
- Update drivevbus in table of regulators

 Documentation/devicetree/bindings/mfd/axp20x.txt | 3 ++-
 drivers/regulator/axp20x-regulator.c             | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 9455503..d1762f3 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -43,7 +43,7 @@ Optional properties:
 			  regulator to drive the OTG VBus, rather then
 			  as an input pin which signals whether the
 			  board is driving OTG VBus or not.
-			  (axp221 / axp223 / axp813 only)
+			  (axp221 / axp223 / axp803/ axp813 only)
 
 - x-powers,master-mode: Boolean (axp806 only). Set this when the PMIC is
 			wired for master mode. The default is slave mode.
@@ -132,6 +132,7 @@ FLDO2		: LDO		: fldoin-supply		: shared supply
 LDO_IO0		: LDO		: ips-supply		: GPIO 0
 LDO_IO1		: LDO		: ips-supply		: GPIO 1
 RTC_LDO		: LDO		: ips-supply		: always on
+DRIVEVBUS	: Enable output	: drivevbus-supply	: external regulator
 
 AXP806 regulators, type, and corresponding input supply names:
 
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 181622b..91b8ff8 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -721,6 +721,8 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
 	case AXP803_ID:
 		regulators = axp803_regulators;
 		nregulators = AXP803_REG_ID_MAX;
+		drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
+						  "x-powers,drive-vbus-en");
 		break;
 	case AXP806_ID:
 		regulators = axp806_regulators;
-- 
2.7.4

[PATCH v3 2/3] arm64: allwinner: axp803: Add drivevbus regulator

[Jagan Teki]

Add reg_drivevbus regualtor for boards which are using
external regulator to drive the OTG VBus through N_VBUSEN
PMIC pin.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
Changes for v3:
- none

 arch/arm64/boot/dts/allwinner/axp803.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/axp803.dtsi b/arch/arm64/boot/dts/allwinner/axp803.dtsi
index ff8af52..e5eae8b 100644
--- a/arch/arm64/boot/dts/allwinner/axp803.dtsi
+++ b/arch/arm64/boot/dts/allwinner/axp803.dtsi
@@ -146,5 +146,10 @@
 			regulator-max-microvolt = <3000000>;
 			regulator-name = "rtc-ldo";
 		};
+
+		reg_drivevbus: drivevbus {
+			regulator-name = "drivevbus";
+			status = "disabled";
+		};
 	};
 };
-- 
2.7.4

[PATCH v3 3/3] arm64: allwinner: a64: bananapi-m64: add usb otg

[Jagan Teki]

Add usb otg support for bananapi-m64 board,
- USB-ID connected with PH9
- USB-DRVVBUS controlled by N_VBUSEN pin from PMIC

Signed-off-by: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
---
Changes for v3:
- Move the position of reg_drivevbus as per binding documentation.
Changes for v2:
- add drvvbus regulator
- add N_VBUSEN pin

 .../boot/dts/allwinner/sun50i-a64-bananapi-m64.dts  | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index 4a8d3f8..a23c113 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -66,6 +66,10 @@
 	};
 };
 
+&ehci0 {
+	status = "okay";
+};
+
 &ehci1 {
 	status = "okay";
 };
@@ -136,6 +140,10 @@
 	status = "okay";
 };
 
+&ohci0 {
+	status = "okay";
+};
+
 &ohci1 {
 	status = "okay";
 };
@@ -148,6 +156,7 @@
 		reg = <0x3a3>;
 		interrupt-parent = <&r_intc>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		x-powers,drive-vbus-en; /* set N_VBUSEN as output pin */
 	};
 };
 
@@ -247,6 +256,11 @@
 	regulator-name = "vcc-rtc";
 };
 
+&reg_drivevbus {
+	regulator-name = "usb0-vbus";
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins_a>;
@@ -259,6 +273,13 @@
 	status = "okay";
 };
 
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
 &usbphy {
+	usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
+	usb0_vbus-supply = <&reg_drivevbus>;
 	status = "okay";
 };
-- 
2.7.4

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Re: [PATCH v3 3/3] arm64: allwinner: a64: bananapi-m64: add usb otg

[Chen-Yu Tsai]

On Tue, Dec 12, 2017 at 12:56 AM, Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org> wrote:
> Add usb otg support for bananapi-m64 board,
> - USB-ID connected with PH9
> - USB-DRVVBUS controlled by N_VBUSEN pin from PMIC
>
> Signed-off-by: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
> ---
> Changes for v3:
> - Move the position of reg_drivevbus as per binding documentation.

The label dereferences should be ordered in alphabetical order of
the label names.

Otherwise,

Reviewed-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>

Re: [PATCH v3 2/3] arm64: allwinner: axp803: Add drivevbus regulator

[Chen-Yu Tsai]

On Tue, Dec 12, 2017 at 12:56 AM, Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org> wrote:
> Add reg_drivevbus regualtor for boards which are using
> external regulator to drive the OTG VBus through N_VBUSEN
> PMIC pin.
>
> Signed-off-by: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>

Reviewed-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>

Re: [PATCH v3 1/3] regulator: axp20x: add drivevbus support for axp803

[Chen-Yu Tsai]

On Tue, Dec 12, 2017 at 12:56 AM, Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org> wrote:
> Like axp221, axp223, axp813 the axp803 is also supporting external
> regulator to drive the  OTG VBus through N_VBUSEN PMIC pin.
>
> Add support for it.
>
> Signed-off-by: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
> Reviewed-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

Reviewed-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>

Applied "regulator: axp20x: add drivevbus support for axp803" to the regulator tree

[Mark Brown]

The patch

   regulator: axp20x: add drivevbus support for axp803

has been applied to the regulator tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 1f5d6462b5856ddd44d4500ac80b7862faff351b Mon Sep 17 00:00:00 2001
From: Jagan Teki <jagan@amarulasolutions.com>
Date: Mon, 23 Apr 2018 12:02:37 +0530
Subject: [PATCH] regulator: axp20x: add drivevbus support for axp803

Like axp221, axp223, axp813 the axp803 is also supporting external
regulator to drive the  OTG VBus through N_VBUSEN PMIC pin.

Add support for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 Documentation/devicetree/bindings/mfd/axp20x.txt | 3 ++-
 drivers/regulator/axp20x-regulator.c             | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 9455503b0299..d1762f3b30af 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -43,7 +43,7 @@ Optional properties:
 			  regulator to drive the OTG VBus, rather then
 			  as an input pin which signals whether the
 			  board is driving OTG VBus or not.
-			  (axp221 / axp223 / axp813 only)
+			  (axp221 / axp223 / axp803/ axp813 only)
 
 - x-powers,master-mode: Boolean (axp806 only). Set this when the PMIC is
 			wired for master mode. The default is slave mode.
@@ -132,6 +132,7 @@ FLDO2		: LDO		: fldoin-supply		: shared supply
 LDO_IO0		: LDO		: ips-supply		: GPIO 0
 LDO_IO1		: LDO		: ips-supply		: GPIO 1
 RTC_LDO		: LDO		: ips-supply		: always on
+DRIVEVBUS	: Enable output	: drivevbus-supply	: external regulator
 
 AXP806 regulators, type, and corresponding input supply names:
 
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 181622b2813d..91b8ff8bac15 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -721,6 +721,8 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
 	case AXP803_ID:
 		regulators = axp803_regulators;
 		nregulators = AXP803_REG_ID_MAX;
+		drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
+						  "x-powers,drive-vbus-en");
 		break;
 	case AXP806_ID:
 		regulators = axp806_regulators;
-- 
2.17.0