| Message ID | 20190418083543.11695-1-jagan@amarulasolutions.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/2] arm64: dts: allwinner: a64-amarula-relic: Add GT5663 CTP node | expand |
On Thu, Apr 18, 2019 at 02:05:42PM +0530, Jagan Teki wrote: > Add Goodix GT5663 capacitive touch controller node on > Amarula A64-Relic board. > > The CTP connected to board with, > - SDA, SCK from i2c1 > - GPIO-LD0 as AVDD28 supply > - PH4 gpio as interrupt pin > - PH8 gpio as reset pin > - X axis is inverted > - Y axis is inverted > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > --- > Changes for v2: > - drop i2c1, bias-pull-up > > .../allwinner/sun50i-a64-amarula-relic.dts | 25 +++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > index 3575db216016..3819ce396073 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > @@ -49,6 +49,24 @@ > bias-pull-up; > }; > > +&i2c1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c1_pins>; That's the default already > + status = "okay"; > + > + touchscreen@5d { > + compatible = "goodix,gt5663"; > + reg = <0x5d>; > + AVDD28-supply = <®_ldo_io0>; /* VCC-CTP: GPIO0-LDO */ > + interrupt-parent = <&pio>; > + interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>; > + irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* CTP-INT: PH4 */ > + reset-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* CTP-RST: PH8 */ > + touchscreen-inverted-x; > + touchscreen-inverted-y; > + }; > +}; > + > &mmc1 { > pinctrl-names = "default"; > pinctrl-0 = <&mmc1_pins>; > @@ -212,6 +230,13 @@ > regulator-name = "vdd-cpus"; > }; > > +®_ldo_io0 { > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; The name of that regulator is AVDD28, which indicates that it would be a 2.8V regulator? Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
On Thu, Apr 18, 2019 at 4:54 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote: > > On Thu, Apr 18, 2019 at 02:05:42PM +0530, Jagan Teki wrote: > > Add Goodix GT5663 capacitive touch controller node on > > Amarula A64-Relic board. > > > > The CTP connected to board with, > > - SDA, SCK from i2c1 > > - GPIO-LD0 as AVDD28 supply > > - PH4 gpio as interrupt pin > > - PH8 gpio as reset pin > > - X axis is inverted > > - Y axis is inverted > > > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > > --- > > Changes for v2: > > - drop i2c1, bias-pull-up > > > > .../allwinner/sun50i-a64-amarula-relic.dts | 25 +++++++++++++++++++ > > 1 file changed, 25 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > > index 3575db216016..3819ce396073 100644 > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > > @@ -49,6 +49,24 @@ > > bias-pull-up; > > }; > > > > +&i2c1 { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&i2c1_pins>; > > That's the default already Yes, and i2c1 node in sun50i-a64.dtsi is not attaching pinctrl. So I attached here.
On Thu, Apr 18, 2019 at 06:00:27PM +0530, Jagan Teki wrote: > On Thu, Apr 18, 2019 at 4:54 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote: > > > > On Thu, Apr 18, 2019 at 02:05:42PM +0530, Jagan Teki wrote: > > > Add Goodix GT5663 capacitive touch controller node on > > > Amarula A64-Relic board. > > > > > > The CTP connected to board with, > > > - SDA, SCK from i2c1 > > > - GPIO-LD0 as AVDD28 supply > > > - PH4 gpio as interrupt pin > > > - PH8 gpio as reset pin > > > - X axis is inverted > > > - Y axis is inverted > > > > > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > > > --- > > > Changes for v2: > > > - drop i2c1, bias-pull-up > > > > > > .../allwinner/sun50i-a64-amarula-relic.dts | 25 +++++++++++++++++++ > > > 1 file changed, 25 insertions(+) > > > > > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > > > index 3575db216016..3819ce396073 100644 > > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts > > > @@ -49,6 +49,24 @@ > > > bias-pull-up; > > > }; > > > > > > +&i2c1 { > > > + pinctrl-names = "default"; > > > + pinctrl-0 = <&i2c1_pins>; > > > > That's the default already > > Yes, and i2c1 node in sun50i-a64.dtsi is not attaching pinctrl. So I > attached here. If that's the only muxing option, it should then. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts index 3575db216016..3819ce396073 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts @@ -49,6 +49,24 @@ bias-pull-up; }; +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + status = "okay"; + + touchscreen@5d { + compatible = "goodix,gt5663"; + reg = <0x5d>; + AVDD28-supply = <®_ldo_io0>; /* VCC-CTP: GPIO0-LDO */ + interrupt-parent = <&pio>; + interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>; + irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* CTP-INT: PH4 */ + reset-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* CTP-RST: PH8 */ + touchscreen-inverted-x; + touchscreen-inverted-y; + }; +}; + &mmc1 { pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; @@ -212,6 +230,13 @@ regulator-name = "vdd-cpus"; }; +®_ldo_io0 { + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-ctp"; + status = "okay"; +}; + ®_rtc_ldo { regulator-name = "vcc-rtc"; };
Add Goodix GT5663 capacitive touch controller node on Amarula A64-Relic board. The CTP connected to board with, - SDA, SCK from i2c1 - GPIO-LD0 as AVDD28 supply - PH4 gpio as interrupt pin - PH8 gpio as reset pin - X axis is inverted - Y axis is inverted Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> --- Changes for v2: - drop i2c1, bias-pull-up .../allwinner/sun50i-a64-amarula-relic.dts | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+)