From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] ARM: dts: imx7d-sdb: Add support for touchscreen
Date: Tue, 21 Jun 2016 15:23:46 +0800 [thread overview]
Message-ID: <20160621072346.GG21364@tiger> (raw)
In-Reply-To: <1466194183-31076-3-git-send-email-diego.dorta@nxp.com>
On Fri, Jun 17, 2016 at 05:09:42PM -0300, Diego Dorta wrote:
> Add support for tsc2046 touchscreen.
>
> Signed-off-by: Diego Dorta <diego.dorta@nxp.com>
> ---
> arch/arm/boot/dts/imx7d-sdb.dts | 46 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 46 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
> index c9cf9b0..5f8ef3b 100644
> --- a/arch/arm/boot/dts/imx7d-sdb.dts
> +++ b/arch/arm/boot/dts/imx7d-sdb.dts
> @@ -111,6 +111,32 @@
> arm-supply = <&sw1a_reg>;
> };
>
> +&ecspi3 {
> + fsl,spi-num-chipselects = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi3 &pinctrl_ecspi3_cs>;
Can just be one pinctrl entry?
> + cs-gpios = <&gpio5 9 0>;
Use macro in include/dt-bindings/gpio/gpio.h for polarity.
> + status = "okay";
> +
> + tsc2046 {
There is a 'reg' property, so the node name should have an unit-address.
> + compatible = "ti,tsc2046";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + pinctrl-names ="default";
> + pinctrl-0 = <&pinctrl_tsc2046_pendown>;
> + interrupt-parent = <&gpio2>;
> + interrupts = <29 0>;
> + pendown-gpio = <&gpio2 29 0>;
Use macro in include/dt-bindings/gpio/gpio.h for polarity.
> + ti,x-min = /bits/ 16 <0>;
> + ti,x-max = /bits/ 16 <0>;
> + ti,y-min = /bits/ 16 <0>;
> + ti,y-max = /bits/ 16 <0>;
> + ti,pressure-max = /bits/ 16 <0>;
> + ti,x-plat-ohms = /bits/ 16 <400>;
> + linux,wakeup;
It's a legacy. See bindings/power/wakeup-source.txt for the
replacement.
Shawn
> + };
> +};
> +
> &fec1 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_enet1>;
> @@ -364,6 +390,20 @@
> pinctrl-0 = <&pinctrl_hog>;
>
> imx7d-sdb {
> + pinctrl_ecspi3_cs: ecspi3_cs_grp {
> + fsl,pins = <
> + MX7D_PAD_SD2_CD_B__GPIO5_IO9 0x59
> + >;
> + };
> +
> + pinctrl_ecspi3: ecspi3grp {
> + fsl,pins = <
> + MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO 0x2
> + MX7D_PAD_SAI2_TX_BCLK__ECSPI3_MOSI 0x2
> + MX7D_PAD_SAI2_RX_DATA__ECSPI3_SCLK 0x2
> + >;
> + };
> +
> pinctrl_enet1: enet1grp {
> fsl,pins = <
> MX7D_PAD_GPIO1_IO10__ENET1_MDIO 0x3
> @@ -480,6 +520,12 @@
> >;
> };
>
> + pinctrl_tsc2046_pendown: tsc2046_pendown {
> + fsl,pins = <
> + MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x59
> + >;
> + };
> +
> pinctrl_uart1: uart1grp {
> fsl,pins = <
> MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79
> --
> 2.7.4
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2016-06-21 7:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-17 20:09 [PATCH 1/4] ARM: dts: imx7d: Add SPI support Diego Dorta
2016-06-17 20:09 ` [PATCH 2/4] ARM: dts: imx7d-sdb: Add display support Diego Dorta
2016-06-21 6:48 ` Shawn Guo
2016-06-17 20:09 ` [PATCH 3/4] ARM: dts: imx7d-sdb: Add support for touchscreen Diego Dorta
2016-06-21 7:23 ` Shawn Guo [this message]
2016-06-17 20:09 ` [PATCH 4/4] ARM: imx_v6_v7_defconfig: Select ADS7846 support Diego Dorta
2016-06-21 6:45 ` [PATCH 1/4] ARM: dts: imx7d: Add SPI support Shawn Guo
2016-06-22 19:53 ` Diego Dorta
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