diff mbox series

[v15,3/3] ARM: dts: imx7d: remarkable2: add wacom digitizer device

Message ID 20211202115622.40153-4-alistair@alistair23.me (mailing list archive)
State New, archived
Headers show
Series Add Wacom I2C support to rM2 | expand

Commit Message

Alistair Francis Dec. 2, 2021, 11:56 a.m. UTC 
Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 arch/arm/boot/dts/imx7d-remarkable2.dts | 59 +++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

Comments

Benjamin Tissoires Dec. 3, 2021, 3:57 p.m. UTC | #1 
On Thu, Dec 2, 2021 at 12:56 PM Alistair Francis <alistair@alistair23.me> wrote:
>
> Signed-off-by: Alistair Francis <alistair@alistair23.me>
> ---
>  arch/arm/boot/dts/imx7d-remarkable2.dts | 59 +++++++++++++++++++++++++

I think I am always asking the same question, but is it fine for me to
take this patch through the hid tree?
I seem to remember that this was a little bit free for all but I'd
like to get the confirmation first.

Cheers,
Benjamin


>  1 file changed, 59 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
> index 89cbf13097a4..a2a91bfdd98e 100644
> --- a/arch/arm/boot/dts/imx7d-remarkable2.dts
> +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
> @@ -34,6 +34,19 @@ reg_brcm: regulator-brcm {
>                 startup-delay-us = <150>;
>         };
>
> +       reg_digitizer: regulator-digitizer {
> +               compatible = "regulator-fixed";
> +               regulator-name = "VDD_3V3_DIGITIZER";
> +               regulator-min-microvolt = <3300000>;
> +               regulator-max-microvolt = <3300000>;
> +               pinctrl-names = "default", "sleep";
> +               pinctrl-0 = <&pinctrl_digitizer_reg>;
> +               pinctrl-1 = <&pinctrl_digitizer_reg>;
> +               gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>;
> +               enable-active-high;
> +               startup-delay-us = <100000>; /* 100 ms */
> +       };
> +
>         wifi_pwrseq: wifi_pwrseq {
>                 compatible = "mmc-pwrseq-simple";
>                 pinctrl-names = "default";
> @@ -51,6 +64,26 @@ &clks {
>         assigned-clock-rates = <0>, <32768>;
>  };
>
> +&i2c1 {
> +       clock-frequency = <400000>;
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_i2c1>;
> +       status = "okay";
> +
> +       wacom_digitizer: digitizer@9 {
> +               compatible = "hid-over-i2c";
> +               reg = <0x09>;
> +               hid-descr-addr = <0x01>;
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pinctrl_wacom>;
> +               interrupt-parent = <&gpio1>;
> +               interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
> +               touchscreen-inverted-x;
> +               touchscreen-inverted-y;
> +               vdd-supply = <&reg_digitizer>;
> +       };
> +};
> +
>  &snvs_pwrkey {
>         status = "okay";
>  };
> @@ -117,6 +150,25 @@ &wdog1 {
>         fsl,ext-reset-output;
>  };
>
> +&iomuxc_lpsr {
> +       pinctrl_digitizer_reg: digitizerreggrp {
> +               fsl,pins = <
> +                       /* DIGITIZER_PWR_EN */
> +                       MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6     0x14
> +               >;
> +       };
> +
> +       pinctrl_wacom: wacomgrp {
> +               fsl,pins = <
> +                       /*MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5   0x00000014 FWE */
> +                       MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4     0x00000074 /* PDCTB */
> +                       MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1     0x00000034 /* WACOM INT */
> +                       /*MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6   0x00000014 WACOM PWR ENABLE */
> +                       /*MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0   0x00000074 WACOM RESET */
> +               >;
> +       };
> +};
> +
>  &iomuxc {
>         pinctrl_brcm_reg: brcmreggrp {
>                 fsl,pins = <
> @@ -125,6 +177,13 @@ MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13  0x14
>                 >;
>         };
>
> +       pinctrl_i2c1: i2c1grp {
> +               fsl,pins = <
> +                       MX7D_PAD_I2C1_SDA__I2C1_SDA             0x4000007f
> +                       MX7D_PAD_I2C1_SCL__I2C1_SCL             0x4000007f
> +               >;
> +       };
> +
>         pinctrl_uart1: uart1grp {
>                 fsl,pins = <
>                         MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX    0x79
> --
> 2.31.1
>
Shawn Guo Dec. 6, 2021, 3 a.m. UTC | #2 
On Fri, Dec 03, 2021 at 04:57:11PM +0100, Benjamin Tissoires wrote:
> On Thu, Dec 2, 2021 at 12:56 PM Alistair Francis <alistair@alistair23.me> wrote:
> >
> > Signed-off-by: Alistair Francis <alistair@alistair23.me>
> > ---
> >  arch/arm/boot/dts/imx7d-remarkable2.dts | 59 +++++++++++++++++++++++++
> 
> I think I am always asking the same question, but is it fine for me to
> take this patch through the hid tree?
> I seem to remember that this was a little bit free for all but I'd
> like to get the confirmation first.

I will take care of dts patch.

Shawn
Shawn Guo Dec. 6, 2021, 3:03 a.m. UTC | #3 
On Thu, Dec 02, 2021 at 09:56:22PM +1000, Alistair Francis wrote:
> Signed-off-by: Alistair Francis <alistair@alistair23.me>

Please write up some commit log.

Shawn

> ---
>  arch/arm/boot/dts/imx7d-remarkable2.dts | 59 +++++++++++++++++++++++++
>  1 file changed, 59 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
> index 89cbf13097a4..a2a91bfdd98e 100644
> --- a/arch/arm/boot/dts/imx7d-remarkable2.dts
> +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
> @@ -34,6 +34,19 @@ reg_brcm: regulator-brcm {
>  		startup-delay-us = <150>;
>  	};
>  
> +	reg_digitizer: regulator-digitizer {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDD_3V3_DIGITIZER";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		pinctrl-names = "default", "sleep";
> +		pinctrl-0 = <&pinctrl_digitizer_reg>;
> +		pinctrl-1 = <&pinctrl_digitizer_reg>;
> +		gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		startup-delay-us = <100000>; /* 100 ms */
> +	};
> +
>  	wifi_pwrseq: wifi_pwrseq {
>  		compatible = "mmc-pwrseq-simple";
>  		pinctrl-names = "default";
> @@ -51,6 +64,26 @@ &clks {
>  	assigned-clock-rates = <0>, <32768>;
>  };
>  
> +&i2c1 {
> +	clock-frequency = <400000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	status = "okay";
> +
> +	wacom_digitizer: digitizer@9 {
> +		compatible = "hid-over-i2c";
> +		reg = <0x09>;
> +		hid-descr-addr = <0x01>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_wacom>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
> +		touchscreen-inverted-x;
> +		touchscreen-inverted-y;
> +		vdd-supply = <&reg_digitizer>;
> +	};
> +};
> +
>  &snvs_pwrkey {
>  	status = "okay";
>  };
> @@ -117,6 +150,25 @@ &wdog1 {
>  	fsl,ext-reset-output;
>  };
>  
> +&iomuxc_lpsr {
> +	pinctrl_digitizer_reg: digitizerreggrp {
> +		fsl,pins = <
> +			/* DIGITIZER_PWR_EN */
> +			MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6	0x14
> +		>;
> +	};
> +
> +	pinctrl_wacom: wacomgrp {
> +		fsl,pins = <
> +			/*MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x00000014 FWE */
> +			MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4	0x00000074 /* PDCTB */
> +			MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1	0x00000034 /* WACOM INT */
> +			/*MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6	0x00000014 WACOM PWR ENABLE */
> +			/*MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0	0x00000074 WACOM RESET */
> +		>;
> +	};
> +};
> +
>  &iomuxc {
>  	pinctrl_brcm_reg: brcmreggrp {
>  		fsl,pins = <
> @@ -125,6 +177,13 @@ MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13	0x14
>  		>;
>  	};
>  
> +	pinctrl_i2c1: i2c1grp {
> +		fsl,pins = <
> +			MX7D_PAD_I2C1_SDA__I2C1_SDA		0x4000007f
> +			MX7D_PAD_I2C1_SCL__I2C1_SCL		0x4000007f
> +		>;
> +	};
> +
>  	pinctrl_uart1: uart1grp {
>  		fsl,pins = <
>  			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79
> -- 
> 2.31.1
>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 89cbf13097a4..a2a91bfdd98e 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -34,6 +34,19 @@  reg_brcm: regulator-brcm {
 		startup-delay-us = <150>;
 	};
 
+	reg_digitizer: regulator-digitizer {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_3V3_DIGITIZER";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&pinctrl_digitizer_reg>;
+		pinctrl-1 = <&pinctrl_digitizer_reg>;
+		gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		startup-delay-us = <100000>; /* 100 ms */
+	};
+
 	wifi_pwrseq: wifi_pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		pinctrl-names = "default";
@@ -51,6 +64,26 @@  &clks {
 	assigned-clock-rates = <0>, <32768>;
 };
 
+&i2c1 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+
+	wacom_digitizer: digitizer@9 {
+		compatible = "hid-over-i2c";
+		reg = <0x09>;
+		hid-descr-addr = <0x01>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_wacom>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+		touchscreen-inverted-x;
+		touchscreen-inverted-y;
+		vdd-supply = <&reg_digitizer>;
+	};
+};
+
 &snvs_pwrkey {
 	status = "okay";
 };
@@ -117,6 +150,25 @@  &wdog1 {
 	fsl,ext-reset-output;
 };
 
+&iomuxc_lpsr {
+	pinctrl_digitizer_reg: digitizerreggrp {
+		fsl,pins = <
+			/* DIGITIZER_PWR_EN */
+			MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6	0x14
+		>;
+	};
+
+	pinctrl_wacom: wacomgrp {
+		fsl,pins = <
+			/*MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x00000014 FWE */
+			MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4	0x00000074 /* PDCTB */
+			MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1	0x00000034 /* WACOM INT */
+			/*MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6	0x00000014 WACOM PWR ENABLE */
+			/*MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0	0x00000074 WACOM RESET */
+		>;
+	};
+};
+
 &iomuxc {
 	pinctrl_brcm_reg: brcmreggrp {
 		fsl,pins = <
@@ -125,6 +177,13 @@  MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13	0x14
 		>;
 	};
 
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX7D_PAD_I2C1_SDA__I2C1_SDA		0x4000007f
+			MX7D_PAD_I2C1_SCL__I2C1_SCL		0x4000007f
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79